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Hao Hu
School of Naval Architecture, Ocean and Civil Engineering, and State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China

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Journal article
Published: 24 May 2021 in Transportation Research Part A: Policy and Practice
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In recent years, natural disasters happening over the world pose severe challenges to emergency evacuation systems, especially for highly-populated urban community areas. Underground spaces not systematically utilized yet provide a new development direction for the construction of emergency shelters. Emergency response for mitigating negative impacts of disasters calls for well-designed shelter system and effective management of pedestrian evacuation. In this paper, we study the location selection of underground emergency shelters in urban community areas, along with pedestrian evacuation planning once disaster happens. The aim is to effectively use the existing underground space and sidewalk network to satisfy pedestrian evacuation demand as much as possible. We formulate the problem as a network flow model, and develop a minimum-cost-maximum-flow solution approach. A real-world case study based on the East Nanjing Road community area in central Shanghai is conducted. The results show that sidewalks are the bottleneck of the pedestrian evacuation network due to their limited capacity. Reserving vehicle lanes, implementing one-way evacuation, and opening local small-scale underground shelters, are shown to be effective measures for improving the pedestrian evacuation performance. Overall, the proposed methodology and managerial insights based on the case study in Shanghai show a great potential of employing underground space as shelters for pedestrian evacuation system design in urban community areas.

ACS Style

Jian Gang Jin; Yifan Shen; Hao Hu; Yiqun Fan; Mingjian Yu. Optimizing underground shelter location and mass pedestrian evacuation in urban community areas: A case study of Shanghai. Transportation Research Part A: Policy and Practice 2021, 149, 124 -138.

AMA Style

Jian Gang Jin, Yifan Shen, Hao Hu, Yiqun Fan, Mingjian Yu. Optimizing underground shelter location and mass pedestrian evacuation in urban community areas: A case study of Shanghai. Transportation Research Part A: Policy and Practice. 2021; 149 ():124-138.

Chicago/Turabian Style

Jian Gang Jin; Yifan Shen; Hao Hu; Yiqun Fan; Mingjian Yu. 2021. "Optimizing underground shelter location and mass pedestrian evacuation in urban community areas: A case study of Shanghai." Transportation Research Part A: Policy and Practice 149, no. : 124-138.

Journal article
Published: 24 February 2021 in SID Symposium Digest of Technical Papers
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Building design is usually divided into four phases in the order of program conceptual, basis of design, design development, and issue for construction. Later phases are based on previous phases. As of Chinese convention today phase design chart does not include constraints from necessary inputs and approvals by the third parties. This could cause serious delay in schedule. In addition, it does not include internal process flow, responsibility of the team leaders among the designers, and expected deliverables that accountable for the design quality. This paper first introduces the traditional phase design diagram as of currently applied in China. Then, both inputs and approval from the outside stakeholders, between the phases, are presented and linked into the diagram to help the team to manage the schedule. In each phase, newly designed internal design process now includes major tasks assigned to the design team, in which standard deliverables are captured to improve the design quality. As a case study, an Integrated Design Phased Process (IDPP) flow diagram specifically designed for an US Facility in China is designed and analyized that greatly improve the design quality. IDPP can well apply to similar design works.

ACS Style

Lan Zhang; Hao Hu; Yi Fang; Zhenyu Qiang. 34.3: Integrated Design Phase Process Flow Diagram for US Electronic Facility in China. SID Symposium Digest of Technical Papers 2021, 52, 222 -237.

AMA Style

Lan Zhang, Hao Hu, Yi Fang, Zhenyu Qiang. 34.3: Integrated Design Phase Process Flow Diagram for US Electronic Facility in China. SID Symposium Digest of Technical Papers. 2021; 52 (1):222-237.

Chicago/Turabian Style

Lan Zhang; Hao Hu; Yi Fang; Zhenyu Qiang. 2021. "34.3: Integrated Design Phase Process Flow Diagram for US Electronic Facility in China." SID Symposium Digest of Technical Papers 52, no. 1: 222-237.

Review
Published: 16 February 2021 in Enterprise Information Systems
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Human-related errors are the major causes of most accidents in construction industry, and Human Factors Analysis and Classification System (HFACS) is widely used to analyze and prevent these accidents. However, traditional HFACS models are usually conducted post-accident and neglect personalized accident causal factors that reflect the safety state of individuals more directly and varies in near real time. In this study, an improved HFACS model for personalized safety management is developed from literature research and expert experience and preliminary results show that the model is superior to traditional safety management by reflecting and analyzing the personalized safety state of workers.

ACS Style

Ning Tang; Hao Hu; Feng Xu; J. K. W. Yeoh; David Kim Huat Chua; Zhe Hu. A personalized Human Factors Analysis and Classification System (HFACS) for construction safety managementbased on context-aware technology. Enterprise Information Systems 2021, 1 -26.

AMA Style

Ning Tang, Hao Hu, Feng Xu, J. K. W. Yeoh, David Kim Huat Chua, Zhe Hu. A personalized Human Factors Analysis and Classification System (HFACS) for construction safety managementbased on context-aware technology. Enterprise Information Systems. 2021; ():1-26.

Chicago/Turabian Style

Ning Tang; Hao Hu; Feng Xu; J. K. W. Yeoh; David Kim Huat Chua; Zhe Hu. 2021. "A personalized Human Factors Analysis and Classification System (HFACS) for construction safety managementbased on context-aware technology." Enterprise Information Systems , no. : 1-26.

Journal article
Published: 01 February 2021 in Journal of Construction Engineering and Management
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Given the complexity of overseas infrastructure projects (OIPs), difficulty in managing country-related risks commonly causes cost overruns. Thus, there is a pressing need for proactively predicting the impact of country-related risks to enable reasonable decision making in the early proposal stage. Different from the previous studies that heavily relied on a large number of sample points, this research proposes a case-based reasoning (CBR) method capable of reliably predicting the impact of country-related risks on cost overruns for OIPs from a small size of sample points. Grey relational analysis (GRA) is applied twice to address the challenges associated with many variables. Finally, a case study is conducted to validate the reliability of the proposed method. Importantly, this research includes a structured process to develop CBR methods for prediction tailored to different construction companies, hence increasing the adaptability.

ACS Style

Fengfeng Zhu; Hao Hu; Feng Xu; Ning Tang. Predicting the Impact of Country-Related Risks on Cost Overrun for Overseas Infrastructure Projects. Journal of Construction Engineering and Management 2021, 147, 04020166 .

AMA Style

Fengfeng Zhu, Hao Hu, Feng Xu, Ning Tang. Predicting the Impact of Country-Related Risks on Cost Overrun for Overseas Infrastructure Projects. Journal of Construction Engineering and Management. 2021; 147 (2):04020166.

Chicago/Turabian Style

Fengfeng Zhu; Hao Hu; Feng Xu; Ning Tang. 2021. "Predicting the Impact of Country-Related Risks on Cost Overrun for Overseas Infrastructure Projects." Journal of Construction Engineering and Management 147, no. 2: 04020166.

Research article
Published: 29 December 2020 in Maritime Policy & Management
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As a result of the opening Arctic waters, Arctic Northeast Passage (NEP) can be used as a shortcut between Asian and European ports, which may bring considerable economic benefits. Due to the harsh environment and substantial costs, it is difficult to construct many fulcrum ports along the Russian Arctic coast, which provide support services for ships navigating the NEP. A multi-criteria decision model is hence constructed to select fulcrum ports among candidates to support Arctic shipping through the NEP. Based on the model, the evidential reasoning (ER) approach is used to aggregate quantitative data and qualitative expert judgments to generate distributed assessments for candidate ports, as well as modeling uncertainties such as incompleteness and ignorance in the assessment of candidate ports. Their suitability as fulcrum ports are prioritized according to the utilities. The results show that Pevek, Sabetta, and Murmansk are the ideal fulcrum ports for the eastern, central, and western section, respectively, of the Russian Arctic coast. The associated policy recommendations include prioritizing the improvement of selected fulcrum ports, attaching importance to promising candidate ports, updating outdated infrastructure, and implementing more related projects. A sensitivity analysis conducted in this study validates the feasibility and reasonability of the proposed model.

ACS Style

Shuaiyu Yao; Hao Hu; Yu-Wang Chen; Wendi Ouyang. A multi-criteria decision model based on the evidential reasoning approach for the selection of fulcrum ports supporting Arctic shipping through the Northeast Passage. Maritime Policy & Management 2020, 1 -22.

AMA Style

Shuaiyu Yao, Hao Hu, Yu-Wang Chen, Wendi Ouyang. A multi-criteria decision model based on the evidential reasoning approach for the selection of fulcrum ports supporting Arctic shipping through the Northeast Passage. Maritime Policy & Management. 2020; ():1-22.

Chicago/Turabian Style

Shuaiyu Yao; Hao Hu; Yu-Wang Chen; Wendi Ouyang. 2020. "A multi-criteria decision model based on the evidential reasoning approach for the selection of fulcrum ports supporting Arctic shipping through the Northeast Passage." Maritime Policy & Management , no. : 1-22.

Journal article
Published: 01 November 2020 in IET Intelligent Transport Systems
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Engineering management is undergoing revolution and innovation due to the rapid development in smart city and infrastructure construction worldwide. Infrastructure construction projects, including large-scale transportation projects, usually have the characteristics of huge investment, long construction period, and complex construction technology. Engineering change controlling is an important part of project management in infrastructure construction. Owing to main participants’ early involvement and working on mutual trust and benefits, integrated project delivery (IPD) mode has significant advantages in reducing engineering change, and thus draws much concern in infrastructure construction. IPD is featured by implementing a range of fundamental principles. Previous studies were rarely involved in how to address these IPD principles in certain IPD projects. This study constructed an IPD projects’ change controlling efficiency evaluation system using data envelopment analysis (DEA), correlating the change controlling efficiency and the implementing of IPD principles. The authors established the evaluation model. It is demonstrated that DEA was a feasible way for IPD projects’ relative change controlling efficiency calculating. By analysing the case study results, the authors explored how to use IPD principle to promote the IPD projects to yield better results from the perspective of engineering change controlling.

ACS Style

Yinglong Zhang; Hao Hu. Data envelopment analysis based efficiency measurement of engineering change controlling for infrastructure construction under integrated project delivery mode. IET Intelligent Transport Systems 2020, 14, 1433 -1439.

AMA Style

Yinglong Zhang, Hao Hu. Data envelopment analysis based efficiency measurement of engineering change controlling for infrastructure construction under integrated project delivery mode. IET Intelligent Transport Systems. 2020; 14 (11):1433-1439.

Chicago/Turabian Style

Yinglong Zhang; Hao Hu. 2020. "Data envelopment analysis based efficiency measurement of engineering change controlling for infrastructure construction under integrated project delivery mode." IET Intelligent Transport Systems 14, no. 11: 1433-1439.

Journal article
Published: 08 February 2020 in Transportation Research Part D: Transport and Environment
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The Arctic route has huge potential for shipping between Europe and Northeast Asia with significant savings in transit time and distance. However, GHG emissions from shipping would harm the environment of Arctic area. Potential Market Based Measures of GHG emission reduction (such as carbon tax) are under consideration but they may affect the economic viability of Northern Sea Route (NSR) for containerships. This paper investigates the economic viability of NSR against Suez Canal Route (SCR) under 2 proposed carbon tax schemes (fixed vs. progressive). Three different fuel oil types (Heavy Fuel Oil, Light Fuel Oil, Liquified Natural Gas) are used as main bunker fuel for the calculation of economic feasibility. Our result reveals that when there is no carbon tax on NSR nor SCR, or both routes are under a carbon tax scheme, no matter fixed or progressive, NSR is more economically viable, regardless of fuel type choice. When only NSR is under a carbon tax scheme, the viability depends on specific carbon tax scheme and fuel choice, but for the majority of containership sizes, NSR has lower unit cost. The result also suggests that for a given route, a progressive scheme in preferable than a fixed one and LNG would be an appealing fuel with lower unit cost.

ACS Style

Wenyi Ding; Yubing Wang; Lei Dai; Hao Hu. Does a carbon tax affect the feasibility of Arctic shipping? Transportation Research Part D: Transport and Environment 2020, 80, 102257 .

AMA Style

Wenyi Ding, Yubing Wang, Lei Dai, Hao Hu. Does a carbon tax affect the feasibility of Arctic shipping? Transportation Research Part D: Transport and Environment. 2020; 80 ():102257.

Chicago/Turabian Style

Wenyi Ding; Yubing Wang; Lei Dai; Hao Hu. 2020. "Does a carbon tax affect the feasibility of Arctic shipping?" Transportation Research Part D: Transport and Environment 80, no. : 102257.

Journal article
Published: 10 January 2020 in Symmetry
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Currently, the trade volume between China and the European Union is experiencing rapid growth. However, there are many bottlenecks in the operation of the China Railway Express, such as imbalance in inbound and outbound transported containers in the Sino–European direction and a low profit margin. More than fifty-three rail routes in China provide rail transportation to European cities and have small traffic volumes. However, such a dramatic situation affects transportation costs, which are three times higher compared with maritime transportation, causing uncertainty related to the demand of Chinese customers. This study analyzes the shortcomings of previous research studies related to multicriteria decision-making (MCDM) models applied in the field of logistics and transportation. The study proposes a novel approach to determine the optimal locations of the CR Express international logistics centers. The proposed approach involves the application of a MCDM model using the DEMATEL-MAIRCA method. This technique finds the closest solution to the ideal one by identifying the value of the best alternative in line with the observed criterion, and by measuring the distances of other alternatives according to the observed criterion of the ideal value. Finally, we show the similarity of the proposed methodology to other MCMD methods, which is one of the key topics of the Symmetry Journal, to prove the validity of the applied DEMATEL-MAIRCA method. Preliminary results show that in view of increased container turnover between China and the European Union, the determination of optimal locations for CR Express international logistics centers should be carried out dynamically.

ACS Style

Dmitri Muravev; Hao Hu; Hengshuo Zhou; Dragan Pamucar. Location Optimization of CR Express International Logistics Centers. Symmetry 2020, 12, 143 .

AMA Style

Dmitri Muravev, Hao Hu, Hengshuo Zhou, Dragan Pamucar. Location Optimization of CR Express International Logistics Centers. Symmetry. 2020; 12 (1):143.

Chicago/Turabian Style

Dmitri Muravev; Hao Hu; Hengshuo Zhou; Dragan Pamucar. 2020. "Location Optimization of CR Express International Logistics Centers." Symmetry 12, no. 1: 143.

Journal article
Published: 01 January 2020 in Sustainability
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CO2 emissions reduction has long been discussed, since the problem is one of the most urgent issues we human beings are faced with in the 21st century. Time-sharing electric vehicles (TSEVs), combining the benefits of cleaner energy and more sufficient utilization, are considered a sustainable future transportation tool, with increasing support from governments around the world. Although numerous studies have been carried out in this domain, few have studied the development process, considering the inverse interrelations, including the policy implementation effects and user choice, in a dynamic way. This research fills the previous academic gap and presents a system dynamics (SD) model incorporating scenario analysis to simulate the effect of introducing time-sharing electric vehicles in changing the user quantities in transportation tools, including public and private sectors, under different levels of government subsidies, thus providing policy implications and ex-ante assessment for the subsidies. The results suggest that it is not the greater the subsidy, the better the effect. Considering that one of the purposes of introducing TSEVs is to reduce private vehicles, there is a threshold for user transfer. It is actually under low subsidy that private internal combustion engine vehicle (ICV) users are most attracted to the TSEVs compared to the medium and high ones. The gap between the simulation results and common sense reminds us that ex-ante assessment and overall planning in the process of industry development are necessary.

ACS Style

Biyi Zhou; Hao Hu; Lei Dai. Assessment of the Development of Time-Sharing Electric Vehicles in Shanghai and Subsidy Implications: A System Dynamics Approach. Sustainability 2020, 12, 345 .

AMA Style

Biyi Zhou, Hao Hu, Lei Dai. Assessment of the Development of Time-Sharing Electric Vehicles in Shanghai and Subsidy Implications: A System Dynamics Approach. Sustainability. 2020; 12 (1):345.

Chicago/Turabian Style

Biyi Zhou; Hao Hu; Lei Dai. 2020. "Assessment of the Development of Time-Sharing Electric Vehicles in Shanghai and Subsidy Implications: A System Dynamics Approach." Sustainability 12, no. 1: 345.

Journal article
Published: 27 December 2019 in Automation in Construction
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Precast construction has great potential for driving innovations in clean, safe, high-efficient construction methods in the industry. However, current precast supply chain management often faces challenges such as fragmentation, poor traceability, and lack of real-time information. To address these challenges, this study builds a novel blockchain-based information management framework for a precast supply chain, which extends the applications of blockchain in the domain of construction supply chains. In this study, a blockchain framework and its development processes are presented in detail, and algorithms for smart contracts are developed for the model implementation. Finally, the performance of this framework is validated with a case study in which a visualization system is presented to achieve (1) information sharing management, (2) real-time control of scheduling, and (3) information traceability. The results suggest that the proposed framework facilitates the on-time delivery of precast components (PCs) and tracks the reasons for disputes centered on PCs in the precast supply chain.

ACS Style

Zhaojing Wang; Tengyu Wang; Hao Hu; Jie Gong; Xu Ren; Qiying Xiao. Blockchain-based framework for improving supply chain traceability and information sharing in precast construction. Automation in Construction 2019, 111, 103063 .

AMA Style

Zhaojing Wang, Tengyu Wang, Hao Hu, Jie Gong, Xu Ren, Qiying Xiao. Blockchain-based framework for improving supply chain traceability and information sharing in precast construction. Automation in Construction. 2019; 111 ():103063.

Chicago/Turabian Style

Zhaojing Wang; Tengyu Wang; Hao Hu; Jie Gong; Xu Ren; Qiying Xiao. 2019. "Blockchain-based framework for improving supply chain traceability and information sharing in precast construction." Automation in Construction 111, no. : 103063.

Articles
Published: 25 November 2019 in Maritime Policy & Management
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Recently, the Arctic Route has become busier with the continuous melting of Arctic ice. However, navigation on the Arctic Route would be much more complex than in normal water as harsh environmental conditions, such as ice-covered water and scarce costal ports that may cause more uncertainty. Nowadays, with the rapid development of sensors on board, more related data has become available. Thus, implementing comprehensive Arctic maritime risk assessment is urgent and necessary in practice. This study proposes an Arctic maritime risk state assessment method including real-time risk state assessment and risk prediction. Specifically, real-time observation samples’ numerical risk state would be firstly obtained with projection pursuit method from 10 risk indicators. Due to the fuzzy uncertainty of single observation set, information diffusion would be applied to provide diffusion estimation on risk probability distribution in order to depict risk state precisely. Also, the accumulated distribution can be regarded as the risk prediction for next time slot and risk entropy is introduced to depict risk tendency directly. Case study based on ‘Yongsheng’ is conducted to demonstrate and verify the effectiveness of the proposed method. The findings can be useful for the operators and management on board during the Arctic voyage.

ACS Style

Ye Zhang; Hao Hu; Lei Dai. Real-time assessment and prediction on maritime risk state on the Arctic Route. Maritime Policy & Management 2019, 47, 352 -370.

AMA Style

Ye Zhang, Hao Hu, Lei Dai. Real-time assessment and prediction on maritime risk state on the Arctic Route. Maritime Policy & Management. 2019; 47 (3):352-370.

Chicago/Turabian Style

Ye Zhang; Hao Hu; Lei Dai. 2019. "Real-time assessment and prediction on maritime risk state on the Arctic Route." Maritime Policy & Management 47, no. 3: 352-370.

Article
Published: 30 September 2019 in Journal of Shanghai Jiaotong University (Science)
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There are two weaknesses in current researches into human casualty of ship collision. One is that the range of injuries or fatalities is restricted to the maximum number of casualties in a particular sample, which may not cover all the possible numbers of casualties in the future. International Maritime Organization (IMO) employed the injured or dead percentage of all the persons on board to represent casualties, but it only provided several discrete values to quantify human losses in different scenarios. The other is that the assumption that the distributions of the injuries or fatalities follow certain distribution, such as negative binomial and Poisson distributions is left to be statistically tested. Firstly, this study considers casualty rate, including injury and fatality rates, as random variables; the interval of the variables are from 0 to 1. Then, the distributions of the variables are investigated using historical data. From historical data, we can find that there are many zeros. Zero-inflated models are proved to be effective in processing data with inflated zeros. Furthermore, the probability density of the variables decreases rapidly as the casualty rate becomes larger. Thus, zero-inflated exponential distribution is assumed to fit the data. The parameters of zero-inflated exponential distribution are calibrated by maximum likelihood estimation (MLE) method. Finally, the assumption is tested by chi-square test. The zero-inflated exponential distribution can be used to generate human losses as a part of consequences in the simulation of ship collision risk.

ACS Style

Daozheng Huang; Hao Hu; Yizhou Li. Zero-Inflated Exponential Distribution of Casualty Rate in Ship Collision. Journal of Shanghai Jiaotong University (Science) 2019, 24, 739 -744.

AMA Style

Daozheng Huang, Hao Hu, Yizhou Li. Zero-Inflated Exponential Distribution of Casualty Rate in Ship Collision. Journal of Shanghai Jiaotong University (Science). 2019; 24 (6):739-744.

Chicago/Turabian Style

Daozheng Huang; Hao Hu; Yizhou Li. 2019. "Zero-Inflated Exponential Distribution of Casualty Rate in Ship Collision." Journal of Shanghai Jiaotong University (Science) 24, no. 6: 739-744.

Conference paper
Published: 11 June 2019 in IOP Conference Series: Earth and Environmental Science
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Integration Project Delivery (IPD) brings innovation to the project management process with the concept of "integration", and forms a relatively rich IPD principles system, which can provide reference for the development of General Contracting construction. In this paper, IOS Management System theory was used to analyze the key issues in the management Idea/Ideology, Operation/Organization, and Stratagem/Strategy of the General Contracting construction. It was concluded that the rights and responsibilities of the project general contractor should be emphasized, the contract organization mode of the parties involved in the General Contracting project should be well constructed, and highlights for signing the project general contract should be proposed. Focusing on the above three aspects, the authors sorted out and analyzed the related IPD principles, then put forward specific proposals to promote the development of the General Contracting construction in China under the guidance of "management and technology integration", "organization integration" and "contract integration".

ACS Style

Yinglong Zhang; Hao Hu; Feng Xu; Yu Tian. Study on Promoting General Contracting Construction in China Referencing IPD Principles. IOP Conference Series: Earth and Environmental Science 2019, 283, 012063 .

AMA Style

Yinglong Zhang, Hao Hu, Feng Xu, Yu Tian. Study on Promoting General Contracting Construction in China Referencing IPD Principles. IOP Conference Series: Earth and Environmental Science. 2019; 283 (1):012063.

Chicago/Turabian Style

Yinglong Zhang; Hao Hu; Feng Xu; Yu Tian. 2019. "Study on Promoting General Contracting Construction in China Referencing IPD Principles." IOP Conference Series: Earth and Environmental Science 283, no. 1: 012063.

Review article
Published: 21 May 2019 in Journal of Cleaner Production
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Off-site construction is a rising topic in both academic research and industrial applications because of its potential to bring about high-level of industrialization, environmental benefits, and sustainability in the built environment. Precast supply chain, as a vital connection between construction sites and off-site plants, is the focus of many recent studies. While these studies have greatly advanced precast supply chain management (PSCM), a critical analysis to summarize the recent research, to identify research gaps, and to inform future research needs is largely missing in the field of precast supply chain management. The overarching goal of this paper is to create a taxonomy to properly classify existing studies in precast supply chain management so as to reveal research gaps and suggest future research opportunities. The specific tasks in this review project include: (1) conducting bibliographic categorizations with regard to journals, years and geographic distributions of publications; (2) identifying the citation correlations and formulating the keyword connection networks; (3) classifying the literature based on research topics and highlighting the state of the art pertaining to each subtopic. The in-depth analysis shows that the studies on precast production are dominant in the PSCM domain. The major research approaches used in existing studies include the genetic algorithm, simulation, RFID (Radio Frequency Identification), and BIM (Building Information Modeling). At last, the possible future research focuses are highlighted, such as dynamic disturbances management, smart precast supply chain, coordination among participants, simultaneously optimizing scheduling and resource allocation.

ACS Style

Zhaojing Wang; Hao Hu; Jie Gong; Xiaoping Ma; Wuyue Xiong. Precast supply chain management in off-site construction: A critical literature review. Journal of Cleaner Production 2019, 232, 1204 -1217.

AMA Style

Zhaojing Wang, Hao Hu, Jie Gong, Xiaoping Ma, Wuyue Xiong. Precast supply chain management in off-site construction: A critical literature review. Journal of Cleaner Production. 2019; 232 ():1204-1217.

Chicago/Turabian Style

Zhaojing Wang; Hao Hu; Jie Gong; Xiaoping Ma; Wuyue Xiong. 2019. "Precast supply chain management in off-site construction: A critical literature review." Journal of Cleaner Production 232, no. : 1204-1217.

Journal article
Published: 23 April 2019 in Sustainability
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The continuous increase of trade between China and Europe brought congestion problems at major Chinese seaports. An effective way to solve this issue is to set up intermodal terminals often called dry ports. However, the dynamics of various influenced factors on dry port’s implementation calls for the adaptive and flexible planning of the terminal. This paper analyzes the shortcomings of previous research related to the dry port’s implementation from the perspective of the applied numerous parameters concerning evaluating its operational efficiency and sustainability. The operational efficiency and sustainability of a dry port are evaluated by the developed system of the main parameters. This system gives the understanding of how these parameters are interrelated between each other and fills the gap in studies of inverse interrelations between main parameters of a dry port. To fully understand the sustainability of the main parameters of a dry port, this paper puts forward the simulation models description of the developed system. The developed model is a practical tool to evaluate the reliability of hypotheses about the functional interrelations between the main parameters of the dry port, as well as to evaluate the sustainability of the system. Finally, in order to develop functional interrelations between main parameters, the data from several Chinese dry ports has been collected. Finally, the developed multi-agent system dynamics model has been validated in the case study of Yiwu dry port located in Zhejiang, China.

ACS Style

Dmitri Muravev; Aleksandr Rakhmangulov; Hao Hu; Hengshuo Zhou. The Introduction to System Dynamics Approach to Operational Efficiency and Sustainability of Dry Port’s Main Parameters. Sustainability 2019, 11, 2413 .

AMA Style

Dmitri Muravev, Aleksandr Rakhmangulov, Hao Hu, Hengshuo Zhou. The Introduction to System Dynamics Approach to Operational Efficiency and Sustainability of Dry Port’s Main Parameters. Sustainability. 2019; 11 (8):2413.

Chicago/Turabian Style

Dmitri Muravev; Aleksandr Rakhmangulov; Hao Hu; Hengshuo Zhou. 2019. "The Introduction to System Dynamics Approach to Operational Efficiency and Sustainability of Dry Port’s Main Parameters." Sustainability 11, no. 8: 2413.

Journal article
Published: 23 March 2019 in Safety Science
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Safety instruction, as a critical part of safety management, plays an important role on construction sites. Unified safety training and irregular inspection are the main safety instructions methods. Considering the complex construction site and low management density, safety instructions received by workers are usually not timely and precise. To improve this situation, this paper established a real-time personalized safety instruction method which considers the different characteristics of workers and complex construction environment. A user-oriented PSIM system is developed in this paper based on GPS and cloud computing. This system could facilitate the collection of the main hazards, safety instructions to these hazards, and project information using questionnaire investigation and paper document. The collected information is classified by 5W1H method and transferred to particular workers according to their different characters, including locations, duties and working time. A case study is presented, which highlight its method for recording data, processing data, and sending personalized safety instruction, in a high-speed railway project. The results demonstrate that important construction information related to both safety and activity in field operations can be automatically processed and visualized in real-time, thus offering benefits to reducing hazards, improving safety awareness of workers, and creating a safer environment for workers effectively at a reasonable cost.

ACS Style

Ning Tang; Hao Hu; Feng Xu; Fengfeng Zhu. Personalized safety instruction system for construction site based on internet technology. Safety Science 2019, 116, 161 -169.

AMA Style

Ning Tang, Hao Hu, Feng Xu, Fengfeng Zhu. Personalized safety instruction system for construction site based on internet technology. Safety Science. 2019; 116 ():161-169.

Chicago/Turabian Style

Ning Tang; Hao Hu; Feng Xu; Fengfeng Zhu. 2019. "Personalized safety instruction system for construction site based on internet technology." Safety Science 116, no. : 161-169.

Journal article
Published: 06 November 2018 in IEEE Transactions on Engineering Management
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Public–private partnership (PPP) is effective in delivering infrastructure projects. In China, PPP has been widely adopted in project finance ever since the government has permitted the private sector to get involved in the investment and operation of urban infrastructure. However, there seem to be many spurious PPP projects emerging in the market, which may bring about losses to the stakeholders and lead PPP away from orderly and standardized development. This paper attempts to address this issue by applying the fuzzy analytic hierarchy process to investigate two infrastructure PPP projects, and analyze the characteristics of genuine and spurious PPP projects in China. Recommendations for mass implementation of PPP and ways of identifying spurious PPP projects are summarized to guide the regulation of infrastructure PPP projects. The paper also provides a reference for project selection and policy-making in the future.

ACS Style

Qingxue Liang; Hao Hu. Study on Identification of Spurious Public–Private Partnership Projects in China. IEEE Transactions on Engineering Management 2018, 67, 376 -384.

AMA Style

Qingxue Liang, Hao Hu. Study on Identification of Spurious Public–Private Partnership Projects in China. IEEE Transactions on Engineering Management. 2018; 67 (2):376-384.

Chicago/Turabian Style

Qingxue Liang; Hao Hu. 2018. "Study on Identification of Spurious Public–Private Partnership Projects in China." IEEE Transactions on Engineering Management 67, no. 2: 376-384.

Journal article
Published: 01 November 2018 in Journal of Construction Engineering and Management
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Current precast production scheduling methodologies often have limited applicability in practice largely due to the limited consideration of human factors and interactions between the scheduling and workforce development. This study systematically integrates human factors in the form of worker competence into production scheduling. More specifically, the factors of worker learning rate, professional skills, experience in each type of operation, and operation specifications are all formulated to determine the duration of each process in precast production. A two-hierarchy scheduling optimization model (WCSO_PP) considering worker competence is proposed to synchronize the production scheduling with workforce development and to optimize the scheduling from both the short-term (time-oriented) and long-term (competence-oriented) views. Finally, the performance of the proposed model is validated using a real case study. The WCSO_PP model can achieve 74.09% and 73.01% cost savings in short-term and long-term scenarios, respectively. The developed model addresses the research gap in modeling the impact of human factors on the production, contributing to more reliable scheduling and enhancing the long-term human resource development.

ACS Style

Zhaojing Wang; Hao Hu; Jie Gong. Modeling Worker Competence to Advance Precast Production Scheduling Optimization. Journal of Construction Engineering and Management 2018, 144, 04018098 .

AMA Style

Zhaojing Wang, Hao Hu, Jie Gong. Modeling Worker Competence to Advance Precast Production Scheduling Optimization. Journal of Construction Engineering and Management. 2018; 144 (11):04018098.

Chicago/Turabian Style

Zhaojing Wang; Hao Hu; Jie Gong. 2018. "Modeling Worker Competence to Advance Precast Production Scheduling Optimization." Journal of Construction Engineering and Management 144, no. 11: 04018098.

Journal article
Published: 13 October 2018 in Journal of Manufacturing Systems
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The performance of precast construction is highly dependent on the effectiveness of production planning for the precast components (PCs). However, existing studies focused primarily on the separate mathematical optimization of production scheduling or resource allocations using heuristic algorithms without considering the interactions between each other and the flexible production environment. This paper proposes a multi-agent based precast production planning model to synchronize the production scheduling and resource allocation. In this model, the on-time delivery, minimum waiting and extension time are achieved using a two-hierarchy resource constraints based production scheduling optimization method. Further, the heuristic algorithm is presented to integrate the optimization techniques with the competing goals shown in a multi-agent system. Finally, a real case is conducted to verify the performance of the proposed model. The results demonstrate that 9.1% and 27.4% cost savings can be achieved by comparison to the actual scheduling method in practice and the traditional scheduling methods without considering the resource constraints, respectively. This proposed methodology will support flexible and optimized decision makings on the precast production planning.

ACS Style

Zhaojing Wang; Hao Hu; Jie Gong; Xiaoping Ma. Synchronizing production scheduling with resources allocation for precast components in a multi-agent system environment. Journal of Manufacturing Systems 2018, 49, 131 -142.

AMA Style

Zhaojing Wang, Hao Hu, Jie Gong, Xiaoping Ma. Synchronizing production scheduling with resources allocation for precast components in a multi-agent system environment. Journal of Manufacturing Systems. 2018; 49 ():131-142.

Chicago/Turabian Style

Zhaojing Wang; Hao Hu; Jie Gong; Xiaoping Ma. 2018. "Synchronizing production scheduling with resources allocation for precast components in a multi-agent system environment." Journal of Manufacturing Systems 49, no. : 131-142.

Journal article
Published: 16 August 2018 in Cognitive Systems Research
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Integrated Project Delivery (IPD) has the potential to overcome inefficiencies of traditional delivery methods by enhancing collaboration among project participants, and is therefore gaining popularity in the Architecture, Engineering and Construction (AEC) industry. For owners considering an IPD approach and are incapable or unprepared to pursue a “pure” IPD project, an IPD-ish approach could be an alternative option. IPD mode is featured by implementing a range of fundamental principles. However, investigations on application of IPD-ish principles to actual construction projects are highly limited. This research mainly focused on a Cognitive Task Analysis (CTA) of the application of IPD principles to the design and construction of an IPD-ish project, and presenting a case study on an underground campus-parking facility. A case study for CTA was designed in this study: a project progress map was developed, wherein seven project phases were defined; by analyzing the project goals and technical measures in each project phase, six key IPD elements was summarized, and a few specific work measures for addressing these elements were discussed. For owners or participants intending to plan an IPD-ish project, the results of the study provide a few references on the selection and application of IPD principles in each project phase.

ACS Style

Yinglong Zhang; Hao Hu. Utilization of a cognitive task analysis for integrated project delivery application: Case study of constructing a campus underground parking facility. Cognitive Systems Research 2018, 52, 579 -590.

AMA Style

Yinglong Zhang, Hao Hu. Utilization of a cognitive task analysis for integrated project delivery application: Case study of constructing a campus underground parking facility. Cognitive Systems Research. 2018; 52 ():579-590.

Chicago/Turabian Style

Yinglong Zhang; Hao Hu. 2018. "Utilization of a cognitive task analysis for integrated project delivery application: Case study of constructing a campus underground parking facility." Cognitive Systems Research 52, no. : 579-590.