Samudaya Nanayakkara

Dr. Samudaya Nanayakkara

Western Sydney University
+1
orcid

Research Focus & Metrics

Academic Career Length

15Years (2012-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 March 2020 in Journal of Industrial Information Integration
Verified
Journal Article
Closed access
SPSrinath Perera
Srinath Perera
Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
MRM.N.N. Rodrigo
M.N.N. Rodrigo
SSSepani Senaratne
Sepani Senaratne
RWRalf Weinand
Ralf Weinand
1

27 May 2021 in Informatics
Verified
Journal Article
Open access
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Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
Srinath PereraSrinath Perera
Srinath Perera
Sepani SenaratneSepani Senaratne
Sepani Senaratne
GWG. Thilini Weerasuriya
G. Thilini Weerasuriya
Dilum BandaraDilum Bandara
Dilum Bandara
The construction industry has dynamic supply chains with multiple suppliers usually engaged in short-term relationships. Government legislation, novel types of payment agreements, conventional information technology solutions, and supply chain management best practices have endeavoured to solve payment-related financial issues in the construction industry, which are mainly caused by the complexities of the construction supply chain. Nevertheless, payment-related issues persist as one of the key challenges in the industry. Applications of blockchain technology–a trusted, distributed data storing mechanism–along with smart contracts are gaining focus as solutions for complex interorganisational processes. A smart contract is a self-executing script that codifies a set of rules or agreements between multiple parties and runs across the blockchain network. This paper identifies the suitability of blockchain and smart contract technologies in solving payment issues in the construction industry. An expert forum of construction industry stakeholders served as the primary data collection method through a structured questionnaire. The key finding of the paper is that blockchain and smart contract powered solutions can significantly mitigate the payment and related financial issues in the construction industry, including partial payments, nonpayments, cost of finance, long payment cycle, retention, and security of payments.
1

1 September 2021 in Journal of Industrial Information Integration
Verified
Journal Article
Closed access
Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
MRM.N.N. Rodrigo
M.N.N. Rodrigo
SPSrinath Perera
Srinath Perera
GWG.T. Weerasuriya
G.T. Weerasuriya
AHAmer A. Hijazi
Amer A. Hijazi

20 November 2021 in Informatics
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Journal Article
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THThathsarani Hewavitharana
Thathsarani Hewavitharana
Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
APAsoka Perera
Asoka Perera
PPPrasad Perera
Prasad Perera
Inefficient and ineffective practices in the construction industry have hindered productivity even though it is considered as one of the largest sectors in any county. One best solution to overcome these inherent problems in the construction industry is to move forward with digital technologies. For that, organizational structure, technical aspects, and, most importantly, human factors need to be considered. The aim of this research is to find out human behaviors that affect the digital transformation of the construction industry based on the well-accepted model Unified Theory of Acceptance and Use of Technology (UTAUT). An in-depth literature review was carried out using fifty-five journal papers to develop a conceptual model for the acceptance of digital transformation, and it was validated and further reviewed using ten expert interviews. The model consists of seven constraints: Personal Benefits, Perceived Usefulness, Perceived Risk, Facility Conditions, Attitudes, and Subjective Norms. The analytical hierarchy process (AHP) was carried out to rank these seven factors according to individual priorities in the construction industry. Further, the model was extended and modified using factors derived from literature review and expert feedback. It is proved that “Perceived Personal Benefits” is the major consideration of an individual who is willing to move towards digital transformation. This research fulfills the lack of knowledge in the digitalization of the construction industry as per a human perspective, and it provides a prerequisite to finding the solutions for the issues which emerged within the industry towards digitalization. Further, the framework developed in the research can be used to systematically adopt the human factor for the digital transformation of the construction industry. In addition, this enables the analysis of changing demands for humans in digitally transformed environments, such as Industry 4.0 environments, and contributes towards a successful digital transformation that avoids the pitfalls of innovation performed without attention to human factors. The paper concludes by highlighting future research directions on the human factor in digital transformation as well as managerial implications for successful application in practice.

8 November 2024 in Sustainability
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Journal Article
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SWSandali Waduge
Sandali Waduge
RSRanil Sugathadasa
Ranil Sugathadasa
IPIllangamge Ashani Piyatilake
Illangamge Ashani Piyatilake
Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
Intelligent Robotic Process Automation (IRPA) combines Artificial Intelligence (AI) and Robotic Process Automation (RPA) to automate complex unstructured tasks, improve decision-making, and cope with changing scenarios. A process analysis framework for IRPA adoption was developed by identifying key factors through a literature review and semi-structured expert opinion survey. The employed experts in the survey comprised RPA/IRPA consultants, RPA/IRPA initiative team leaders, and RPA/IRPA developers with three years or more experience. For the initial factor collection phase, there were a total of eighteen (18) responses, and for the factor evaluation phase, a total of twenty-six (26) experts were used to collect responses. Identified factors were shortlisted and evaluated using a Relative Importance Index (RII) analysis. The study’s findings are presented through a Causal-Loop Diagram (CLD) to illustrate the relationships between factors. The framework provides practical guidance for organizations planning to adopt IRPA, informing decision-making, resource allocation, and strategy development. The final process analysis framework highlights the importance of accuracy, level of human involvement in a task, and standardization as the main three primary factors for successful IRPA adoption. Three major secondary factors were identified: digital data input, integration with existing systems, and the cost of adopting new technologies. This research contributes to the added value to existing knowledge and serves as a foundation for future research in IRPA adoption.

19 December 2024 in Built Environment Project and Asset Management
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Journal Article
Closed access
Abhishek KCAbhishek KC
Abhishek KC
Sepani SenaratneSepani Senaratne
Sepani Senaratne
Srinath PereraSrinath Perera
Srinath Perera
Samudaya NanayakkaraSamudaya Nanayakkara
Samudaya Nanayakkara
Purpose: Need of circular economy (ce) practices for net-zero and sustainability in construction sector is well known, and thus the need for information flow between current and potential users about materials and processes. Material passports (MPs) are the tool for this information flow. This study aims to examine the research trend about digitalisation and MPs in construction, explore the application of digital technologies (DTs) for information management required for MPs and provide further research directions. Design/methodology/approach: Systematic search and review of literature was conducted adopting both qualitative and quantitative approach for analysis. Firstly, quantitative bibliometric analysis of 201 papers was conducted to get the context from ongoing research around the area and qualitative content and thematic analysis of selected 14 papers were then done to further explore the literature. Findings: Bibliometric analysis suggested building information modelling (BIM) as the most widely studied topic for digitalisation and MPs, which has been studied together with other DTs, whereas blockchain is niched within supply chain and waste management. Qualitative review observed BIM as the most prevalent technology, providing platform for information generation and management for MPs, and most other DTs are applicable mostly for information generation. Artificial intelligence (AI) is useful for information generation, but more suiting for information analysis. Blockchain, on the other hand, is for decentralised and reliable information management. Originality/value: This study has tried to explore the digitalisation for circularity in construction with focus on information management for MPs. As the ce in construction boils down to information flow and MPs, this study provides the idea about possible applications of DTs for MPs and suggests further research directions for development and use of MPs for ce in construction.