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Ziheng Shangguan
School of Public Administration, Hohai University, Nanjing 211100, China

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Journal article
Published: 25 September 2020 in Water
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In order to alleviate the problem of water shortage, the Ministry of Water Resources of China proposed a Water-Saving Contract (WSC) project management model in 2014, which is similar to the Energy Performance Contract (EPC). In this context, this research aims to explore the applicability of China’s WSC projects by risk assessment, and to help promote WSC projects in China. Different from traditional risk assessment, this paper takes into account the uncertainty of the EPC project’s risks, and adopts the multielement connection degree set pair analysis to evaluate both the level and trend of the risks. The results show: (1) the overall risk of China’s WSC projects is low, so WSC projects are very suitable for promotion in China. However, the overall risk shows a trend of decelerated ascent, which shows that there are some potential high-risk factors in China’s WSC projects; (2) among the many risks of the WSC projects, audit risk, financing risk, and payment risk are at a high-risk level; market competition risk is at a medium-risk level; the remaining risks are at a low-risk level; (3) among the medium and high risks, audit risk, financing risk, and market competition risk have a trend of accelerated ascent, while payment risk has a trend of decelerated decline; in low risks, inflation risk has a trend of decelerated ascent, while the remaining risks have a trend of accelerated decline.

ACS Style

Qian Li; Ziheng Shangguan; Mark Yaolin Wang; Dengcai Yan; Ruizhi Zhai; Chuanhao Wen. Risk Assessment of China’s Water-Saving Contract Projects. Water 2020, 12, 2689 .

AMA Style

Qian Li, Ziheng Shangguan, Mark Yaolin Wang, Dengcai Yan, Ruizhi Zhai, Chuanhao Wen. Risk Assessment of China’s Water-Saving Contract Projects. Water. 2020; 12 (10):2689.

Chicago/Turabian Style

Qian Li; Ziheng Shangguan; Mark Yaolin Wang; Dengcai Yan; Ruizhi Zhai; Chuanhao Wen. 2020. "Risk Assessment of China’s Water-Saving Contract Projects." Water 12, no. 10: 2689.

Journal article
Published: 08 May 2020 in International Journal of Environmental Research and Public Health
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Since the first known case of a COVID-19 infected patient in Wuhan, China on 8 December 2019, COVID-19 has spread to more than 200 countries, causing a worldwide public health crisis. The existing literature fails to examine what caused this sudden outbreak from a crisis management perspective. This article attempts to fill this research gap through analysis of big data, officially released information and other social media sources to understand the root cause of the crisis as it relates to China’s current management system and public health policy. The article draws the following conclusions: firstly, strict government control over information was the main reason for the early silencing of media announcements, which directly caused most people to be unprepared and unaware of COVID-19. Secondly, a choice between addressing a virus with an unknown magnitude and nature, and mitigating known public panic during a politically and culturally sensitive time, lead to falsehood and concealment. Thirdly, the weak autonomous management power of local public health management departments is not conducive for providing a timely response to the crisis. Finally, the privatization of many state-owned hospitals led to the unavailability of public health medical resources to serve affected patients in the Wuhan and Hubei Province. This article suggests that China should adopt a Singaporean-style public health crisis information management system to ensure information disclosure and information symmetry and should use it to monitor public health crises in real time. In addition, the central government should adopt the territorial administration model of a public health crisis and increase investment in public health in China.

ACS Style

Ziheng Shangguan; Mark Yaolin Wang; Wen Sun. What Caused the Outbreak of COVID-19 in China: From the Perspective of Crisis Management. International Journal of Environmental Research and Public Health 2020, 17, 3279 .

AMA Style

Ziheng Shangguan, Mark Yaolin Wang, Wen Sun. What Caused the Outbreak of COVID-19 in China: From the Perspective of Crisis Management. International Journal of Environmental Research and Public Health. 2020; 17 (9):3279.

Chicago/Turabian Style

Ziheng Shangguan; Mark Yaolin Wang; Wen Sun. 2020. "What Caused the Outbreak of COVID-19 in China: From the Perspective of Crisis Management." International Journal of Environmental Research and Public Health 17, no. 9: 3279.

Journal article
Published: 25 December 2019 in Sustainability
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The “Yangtze River to Huaihe River” project is another large-scale trans-basin water diversion project in China, following the South-to-North Water Division Project. The reservoir project is in the period of China’s rapid development of modernization, informatization and marketization. During this period, reservoir-induced migrants have great differences in resource endowment and development opportunities, so they show different characteristics in the integration process. In order to clarify these characteristics and formulate corresponding policies based on these characteristics to help them integrate into the society of the resettlement area as soon as possible, this paper has completed two aspects of work: First, a method for identifying social integration is proposed. Second, the characteristics of social integration of different migrant groups in different time dimensions are analyzed. This study has two important findings: First, the extent of information sources and understanding of policies has a greater impact on the social integration of migrants. The wider the source of information and the more understanding of policies, the more it helps migrants to integrate into society. Second, the social network relationship established by the female migrant group in the maintenance activities will greatly promote their social integration.

ACS Style

Ziheng Shangguan; Mark Yaolin Wang; Jianyuan Huang; Guoqing Shi; Liangliang Song; ZhongGen Sun. Study on Social Integration Identification and Characteristics of Migrants from “Yangtze River to Huaihe River” Project: A Time-Driven Perspective. Sustainability 2019, 12, 211 .

AMA Style

Ziheng Shangguan, Mark Yaolin Wang, Jianyuan Huang, Guoqing Shi, Liangliang Song, ZhongGen Sun. Study on Social Integration Identification and Characteristics of Migrants from “Yangtze River to Huaihe River” Project: A Time-Driven Perspective. Sustainability. 2019; 12 (1):211.

Chicago/Turabian Style

Ziheng Shangguan; Mark Yaolin Wang; Jianyuan Huang; Guoqing Shi; Liangliang Song; ZhongGen Sun. 2019. "Study on Social Integration Identification and Characteristics of Migrants from “Yangtze River to Huaihe River” Project: A Time-Driven Perspective." Sustainability 12, no. 1: 211.

Journal article
Published: 16 August 2019 in Materials
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Strain-hardening cementitious composite (SHCC) is a kind of construction material that exhibits multiple cracking and strain-hardening behaviors. The partial replacement of cement with fly ash is beneficial to the formation of the tensile strain-hardening property of SHCC, the increase of environmental greenness, and the decrease of hydration heat, as well as the material cost. This study aimed to develop a sustainable construction material using a high dosage of fly ash (no less than 70% of the binder material by weight). Based on the micromechanics analysis and particle size distribution (PSD) optimization, six mixes with different fly ash to cement ratios (2.4-4.4) were designed. The mechanical properties of the developed high-volume fly ash SHCCs (HVFA-SHCCs) were investigated through tensile tests, compressive tests, and flexural tests. Test results showed that all specimens exhibited multiple cracking and strain-hardening behaviors under tension or bending, and the compressive strength of the designed mixes exceeded 30MPa at 28 days, which is suitable for structural applications. Fly ash proved to be beneficial in the improvement of tensile and flexural ductility, but an extremely high volume of fly ash can provide only limited improvement. The HVFA-SHCC mix FA3.2 (with fly ash to binder ratio of about 76% by weight) designed in this study is suggested for structural applications.

ACS Style

Chenhua Jin; Chang Wu; Chengcheng Feng; Qingfang Zhang; Ziheng Shangguan; Zuanfeng Pan; Shaoping Meng. Mechanical Properties of High-Volume Fly Ash Strain Hardening Cementitious Composite (HVFA-SHCC) for Structural Application. Materials 2019, 12, 2607 .

AMA Style

Chenhua Jin, Chang Wu, Chengcheng Feng, Qingfang Zhang, Ziheng Shangguan, Zuanfeng Pan, Shaoping Meng. Mechanical Properties of High-Volume Fly Ash Strain Hardening Cementitious Composite (HVFA-SHCC) for Structural Application. Materials. 2019; 12 (16):2607.

Chicago/Turabian Style

Chenhua Jin; Chang Wu; Chengcheng Feng; Qingfang Zhang; Ziheng Shangguan; Zuanfeng Pan; Shaoping Meng. 2019. "Mechanical Properties of High-Volume Fly Ash Strain Hardening Cementitious Composite (HVFA-SHCC) for Structural Application." Materials 12, no. 16: 2607.

Journal article
Published: 10 April 2019 in Sustainability
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Global climate change and its influence on human migration have caused heated debates. There is no consensus about the role of environmental change in shaping migration decisions. To amass more evidence and develop a deeper understanding of the relations between the environment and migration, this paper seeks to evaluate the importance of various drivers (economic, social, political, demographic, and environmental drivers) and determine the internal mechanism in the decision process. The Likert scale was used as the tool for measuring each respondent’s perception of the drivers, and the within-group interrater agreement index was used to express the survey data and to select the actual driving forces. As a result, economic, social, and political factors were strong forces that promoted migration directly, while demographic and environmental factors were moderate or weak forces that promoted migration indirectly. The migrants’ core consideration was to effectively reduce family risks and sustain their livelihoods by moving to a destination to improve their household income, keep their original social networks, and obtain housing allowances from the local government. Land degradation and meteorological disasters were rooted in the vulnerability and risks of a family, and these factors indirectly influenced the people’s decisions by affecting the socioeconomic drivers. We concluded that isolating the environmental drivers from other drivers underlying migration decisions is difficult. Additionally, the internal mechanism indicated that both environmental and non-environmental factors all have an impact on choice in different ways. Future policies should be aimed at increasing sustainable livelihoods and the social resilience of migrant families at a personal level, balancing the development levels of the original locations and destinations, and strengthening international cooperation to reduce the negative effects of climate change at the regional level.

ACS Style

Guoqing Shi; Qiulong Lyu; Ziheng Shangguan; Tianhe Jiang. Facing Climate Change: What Drives Internal Migration Decisions in the Karst Rocky Regions of Southwest China. Sustainability 2019, 11, 2142 .

AMA Style

Guoqing Shi, Qiulong Lyu, Ziheng Shangguan, Tianhe Jiang. Facing Climate Change: What Drives Internal Migration Decisions in the Karst Rocky Regions of Southwest China. Sustainability. 2019; 11 (7):2142.

Chicago/Turabian Style

Guoqing Shi; Qiulong Lyu; Ziheng Shangguan; Tianhe Jiang. 2019. "Facing Climate Change: What Drives Internal Migration Decisions in the Karst Rocky Regions of Southwest China." Sustainability 11, no. 7: 2142.