ORCID Profile
0000-0002-1074-8018
Current Organisations
City University of Hong Kong
,
Ecobond Pty. Ltd.
,
Western Sydney University
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Civil Engineering | Construction Engineering | Structural Engineering | Construction Materials | Building | Building | Urban and Regional Planning not elsewhere classified | Building Construction Management and Project Planning | Infrastructure Engineering and Asset Management | Building science technologies and systems | Expert Systems
ANZSRC Socio-Economic Objective (SEO)
Management of Greenhouse Gas Emissions from Construction Activities | Cement and Concrete Materials | Civil Construction Planning | Management of Solid Waste from Construction Activities | Civil Construction Design | Environmentally Sustainable Construction not elsewhere classified | Environmentally Sustainable Manufacturing not elsewhere classified | Road Infrastructure and Networks | Cement Products and Concrete Materials |
Related Links
Publications
Design variables affecting the environmental impacts of buildings: A critical review
Publisher: Elsevier BV
Date: 02-2023
A system dynamics-based environmental performance simulation of construction waste reduction management in China
Publisher: Elsevier BV
Date: 05-2016
DOI: 10.1016/J.WASMAN.2016.03.001
Abstract: A huge amount of construction waste has been generated from increasingly higher number of construction activities than in the past, which has significant negative impacts on the environment if they are not properly managed. Therefore, effective construction waste management is of primary importance for future sustainable development. Based on the theory of planned behaviors, this paper develops a system dynamic model of construction waste reduction management at the construction phase to simulate the environmental benefits of construction waste reduction management. The application of the proposed model is shown using a case study in Shenzhen, China. Vensim is applied to simulate and analyze the model. The simulation results indicate that source reduction is an effective waste reduction measure which can reduce 27.05% of the total waste generation. Sorting behaviors are a premise for improving the construction waste recycling and reuse rates which account for 15.49% of the total waste generated. The environmental benefits of source reduction outweigh those of sorting behaviors. Therefore, to achieve better environmental performance of the construction waste reduction management, attention should be paid to source reduction such as low waste technologies and on-site management performance. In the meantime, sorting behaviors encouragement such as improving stakeholders' waste awareness, refining regulations, strengthening government supervision and controlling illegal dumping should be emphasized.
Life-cycle impacts from environmentally friendly blocks
Publisher: Elsevier BV
Date: 08-2022
Effectiveness of greenhouse-gas Emission Trading Schemes implementation: a review on legislations
Publisher: Elsevier BV
Date: 07-2016
Integrating Parametric Analysis with Building Information Modeling to Improve Energy Performance of Construction Projects
Publisher: MDPI AG
Date: 22-04-2019
DOI: 10.3390/EN12081515
Abstract: Buildings demand a significant amount of energy during their life cycles, hence, effective design measures need to be adopted to ensure efficient energy usage and management in buildings. This study proposes a framework based on various performance parameters to enable decision-makers utilizing standard procedures and software to empower the process of sustainable energy use and management in buildings, through a parametric analysis in different climatic conditions. Experimental design is adopted within the framework via the use of various performance parameters related to the building design (i.e., construction materials for exterior walls and roofs, as well as a set of window-to-wall ratios). Results indicate that climate data plays a fundamental role in the choice of design factors that are best suited for effective energy consumption in buildings. In particular, sub-type climate classifications, as opposed to the primary climate group, have a minor influence. Around 15% improvement in the energy consumption in buildings is noticed due to changes to the design factor such as the window-to-wall ratio. Insights that can be gleaned from this study include the impact of space area, exterior openings and material thickness and choice for the envelope of the building in all climate classifications, aiding in the design of low-energy buildings.
Thermal insulation and cost effectiveness of green-roof systems: An empirical study in Hong Kong
Publisher: Elsevier BV
Date: 12-2016
Impact of elevated temperatures on the structural performance of recycled rubber concrete: Experimental and mathematical modeling
Publisher: Elsevier BV
Date: 09-2020
Deformation and permeability of recycled aggregate concrete - A comprehensive review
Publisher: Elsevier BV
Date: 12-2021
Modelling the work-as-done in the building maintenance using a layered FRAM: A case study on HVAC maintenance
Publisher: Elsevier BV
Date: 10-2021
Integration of life cycle assessment and life cycle cost using building information modeling: A critical review
Publisher: Elsevier BV
Date: 02-2021
A critical review of combined natural ventilation techniques in sustainable buildings
Publisher: Elsevier BV
Date: 05-2021
Green building evaluation system implementation
Publisher: Elsevier BV
Date: 04-2018
Performance of recycled aggregate concrete filled steel tubular (RACFST) stub columns with expansive agent
Publisher: Elsevier BV
Date: 02-2021
Mechanical Properties of New Dry-Type Beam-Column Bolt Connection Joint
Publisher: MDPI AG
Date: 17-06-2019
DOI: 10.3390/SU11123348
Abstract: Beam–column assembled joint connections are crucial for realizing the industrialization of buildings through prefabrication. This paper focuses on the mechanical properties of a new dry-type high-strength bolt connection joint used in prefabricated buildings. The structural performance properties examined include bearing capacity, stiffness, failure mode, energy dissipation capacity, and deformation performance, all of which are tested through a pseudo static test involving low-cycle repeated loading. The test results show that the failure of the new dry-type beam–column connection joint is through plastic failure, with full hysteretic curve and good energy dissipation performance. The results provide a foundation for the analysis of assembled structural framework systems based on different forms of dry-type connection joints.
Quantification of the energy use due to occupant behaviour collected in surveys: a case study of a green and non-green building
Publisher: Informa UK Limited
Date: 04-10-2020
Mechanical properties of CO2 concrete utilising practical carbonation variables
Publisher: Elsevier BV
Date: 04-2021
Review of the Relationship Management Strategies for Building Flood Disaster Resilience through Public–Private Partnership
Publisher: MDPI AG
Date: 26-06-2023
DOI: 10.3390/SU151310089
Abstract: Relationship management is critical in public–private partnership (PPP), especially when the PPP concept is adopted to build community flood disaster resilience. In this regard, this study aims to conduct a systematic review to explore the relationship management strategies for using public–private partnership to build community flood disaster resilience. A systematic literature review was conducted to retrieve relevant publications related to the subject area. Through a thorough three-stage search using Scopus, a total of twenty-nine relevant journal articles were selected for analysis. From the review, a total of twenty-eight in idual relationship management strategies for building community flood disaster resilience using PPP were derived. These strategies were put into six categories based on their in idual meaning and relation to other factors these include effective communication, legal and coordination, knowledge co-production, monitoring and evaluation, social initiatives, and consistent funding. Further, a conceptual framework was developed using a meta-governance approach, in which a four-step process is proposed to make the derived relationship management strategies actionable. The outputs of this study will be impactful for future empirical investigations on the use of PPP in building flood resilience.
Occupant behaviour and its relation to climate in Australia
Publisher: Thomas Telford Ltd.
Date: 08-2021
Abstract: Occupant behaviour (OB) is impacted by several interdisciplinary factors: environmental, psychosocial, cultural and economic. One of these impacting factors is the climate. In this study, the patterns of OB interactions with heating, cooling, lighting, equipment, windows and shading collected in questionnaire surveys were used as input data in the simulation models of two university buildings. The buildings, a green-rated and a non-rated one, are in Western Sydney University in Sydney, Australia. Then, the models were simulated in eight different climate zones in Australia. Therefore, this research aimed to understand how different climate zones may impact the energy related to OB and compare this impact between a green-rated building and a building without any rating. The results showed that there is no correlation between climate and OB and the levels of discomfort are related to the cooling season. The green building is less subjected to external changes, indicating that in buildings with automatic and properly controlled centralised management systems, the impacts related to the misuse of energy due to OB would be almost irrelevant. The results of this study should not be extended to other occupant behavioural patterns or situations. The results should be confined within the present research and context.
Life cycle environmental impacts of cut flowers: A review
Publisher: Elsevier BV
Date: 10-2022
A review of recycled aggregate in concrete applications (2000–2017)
Publisher: Elsevier BV
Date: 05-2018
Development of a carbon emissions analysis framework using building information modeling and life cycle assessment for the construction of hospital projects
Publisher: MDPI AG
Date: 08-11-2019
DOI: 10.3390/SU11226274
Abstract: Buildings produce a large amount of carbon emissions in their life cycle, which intensifies greenhouse-gas effects and has become a great threat to the survival of humans and other species. Although many previous studies shed light on the calculation of carbon emissions, a systematic analysis framework is still missing. Therefore, this study proposes an analysis framework of carbon emissions based on building information modeling (BIM) and life cycle assessment (LCA), which consists of four steps: (1) defining the boundary of carbon emissions in a life cycle (2) establishing a carbon emission coefficients database for Chinese buildings and adopting Revit, GTJ2018, and Green Building Studio for inventory analysis (3) calculating carbon emissions at each stage of the life cycle and (4) explaining the calculation results of carbon emissions. The framework developed is validated using a case study of a hospital project, which is located in areas in Anhui, China with a hot summer and a cold winter. The results show that the reinforced concrete engineering contributes to the largest proportion of carbon emissions (around 49.64%) in the construction stage, and the HVAC (heating, ventilation, and air conditioning) generates the largest proportion (around 53.63%) in the operational stage. This study provides a practical reference for similar buildings in analogous areas and for additional insights on reducing carbon emissions in the future.
Drivers for increasing attractiveness of commercial centers
Publisher: Informa UK Limited
Date: 09-09-2022
Sensitivity analysis of design variables in life-cycle environmental impacts of buildings
Publisher: Elsevier BV
Date: 04-2023
Workability and mechanical properties of mortar containing recycled sand from aerated concrete blocks and sintered clay bricks
Publisher: Elsevier BV
Date: 06-2020
Quality improvement of recycled concrete aggregate by removal of residual mortar: A comprehensive review of approaches adopted
Publisher: Elsevier BV
Date: 06-2021
Factors affecting the price of recycled concrete: A critical review
Publisher: Elsevier BV
Date: 04-2022
Experimental Design for the Propagation of Smoldering Fires in Corn Powder and Cornflour
Publisher: MDPI AG
Date: 24-12-2022
DOI: 10.3390/ENG4010002
Abstract: Corn is an ex le of an agricultural grain with a specific combustibility level and can promote smoldering fires during storage. This paper conducts an experimental design to numerically evaluate how three parameters, namely particle size, moisture, and air ventilation, influence the smoldering velocity. The work methodology is based on Minitab’s experimental design, which defined the number of experiments. First, a pile of corn is heated by a hot plate and a set of thermocouples registers all temperature variations. Then, a full-factorial experiment is implemented in Minitab to analyze the smoldering, which provides a mathematical equation to represent the smoldering velocity. The results indicate that particle size is the most influential factor in the reaction, with 35% and 45% variation between the dried and wet s les. Moreover, comparing the influence of moisture between corn flour and corn powder s les, a variation of 19% and 31% is observed additionally, analyzing the ventilation as the only variant, we noticed variations of 15% and 17% for dried and wet corn flour, and 27% and 10% for dried and wet corn powder. Future studies may use the experimental design of this work to standardize the evaluation methodology and more effectively evaluate the relevant influencing factors.
Effects of occupant behaviour on energy performance in buildings: a green and non-green building comparison
Publisher: Emerald
Date: 26-06-2020
DOI: 10.1108/ECAM-11-2019-0653
Abstract: Occupants are one of the most impacting factors in the overall energy performance of buildings, according to literature. Occupants’ behaviours and actions may impact the overall use of energy in more than 50%. In order to quantify the impact that occupant behaviour has in the use of energy, this study simulated interactions between occupants and the systems present in two actual buildings. The main aim was to compare the deviations due to occupant behaviour with the actual conditions and energy use of the two buildings. The buildings used as a case study in this research were green buildings, rated according to the Australian Green Star certification system as a 6-star and a non-rated building. The two buildings are university buildings with similar characteristics, from Western Sydney University, in Sydney, Australia. A comparison was performed by means of building simulations among the use of energy in both buildings, aiming to understand if the green rating had any impact on the energy related to occupant behaviour. Therefore, to represent the actual buildings' conditions, the actual data related with climate, geometry, systems, internal loads, etc. were used as input variables in the simulation models of the green and the non-rated buildings. Both models were calibrated and validated, having as target the actual monitored use of electricity. Occupants were categorized according to their levels of energy use as follows: saving, real and intensive energy users. Building simulations were performed to each building, with varying parameters related with lighting, plug loads, windows/doors opening, shading and air conditioning set points. Results show that occupant behaviour may impact the buildings' energy performance in a range of 72% between the two extremes. There is no significant relationship between the green rating and the way occupants behave in terms of the energy use. This study intends to show the impact of different categories of occupant behaviour in the overall energy performance of two university buildings, a non-rated and a green-rated building, having as reference an actual representation of the buildings. Additionally, the study aims to understand the main differences between a green-rated and a non-rated building when accounting with the previous categories.
New analytical wake models based on artificial intelligence and rivalling the benchmark full-rotor CFD predictions under both uniform and ABL inflows
Publisher: Elsevier BV
Date: 02-2020
A regression-based framework to examine thermal loads of buildings
Publisher: Elsevier BV
Date: 04-2021
Life cycle assessment of sustainable concrete with recycled aggregate and supplementary cementitious materials
Publisher: Elsevier BV
Date: 06-2023
System dynamics-based stakeholders’ impact analysis of highway maintenance systems
Publisher: Thomas Telford Ltd.
Date: 08-2019
Abstract: Highway conditions and stakeholders in highway maintenance systems (HMSs), including highway operators, government officers and users, may interact in a complex manner over time and produce propagating impacts. In this work, system dynamics (SD) was used to model such complex interactions around HMSs based on analysis of the funding strategy in China and consideration of the supervision mechanism of subsidy allocation. A causal-loop diagram describing the relationships and feedback structure of correlated factors and stock–flow diagrams that quantitatively model cause–effect relationships among the factors were developed. Validation and an illustrative application of the proposed SD model are presented. This study provides insights into how this methodology can model HMSs and evaluate the cause–effect, feedback, dynamic and long-term impacts of stakeholders on highway pavement conditions, total maintenance costs and users’ payments, with the aim of helping in the planning of appropriate HMSs from the perspectives of all stakeholders.
An agent-based model approach for urban demolition waste quantification and a management framework for stakeholders
Publisher: Elsevier BV
Date: 02-2021
List of contributors
Publisher: Elsevier
Date: 2023
A system dynamics model for assessing impacts of policies on supply and demand of recycled aggregate
Publisher: Elsevier BV
Date: 09-2023
Survey of energy-related occupant perceptions in a green-rated and in a non-rated building
Publisher: Informa UK Limited
Date: 27-05-2020
Users’ building optimal performance manual
Publisher: Elsevier BV
Date: 06-2021
Optimal roofing solutions for Australian green buildings: a life-cycle cost perspective
Publisher: Thomas Telford Ltd.
Date: 02-2020
Abstract: Thermal insulation is a significant factor in building construction. As a result, Green Star in Australia requires building envelopes to be insulated properly. Further, green buildings require at least 15% above the required R-values (which are measured in m 2 K/W) for achieving Green Star credit points. Thermal insulation of the roof depends on various factors such as insulation material, sarking material, air films and roof covering. Therefore, there are many options with different combinations available to obtain the required total R-values. This research aims to identify optimum solutions for roofing solutions considering the life-cycle cost. There are ten commonly used roof types in Australia. Therefore, this research calculated the life-cycle costs using the net present value technique for more than 2000 options of roofing solutions and selected optimum solutions for each climate zone in Australia. The outcome shows that the initial cost and the replacement cost significantly influence the life-cycle cost. Further, the maintenance, replacement and disposal costs vary from 47 to 69% of the life-cycle cost. Sensitivity analysis concludes that the discounting rate has a significant influence on the life-cycle cost of the roofing solution. However, the changes in labour rate have only a slight impact on the life-cycle cost of roofing solutions.
A critical review of occupant energy consumption behavior in buildings: How we got here, where we are, and where we are headed
Publisher: Elsevier BV
Date: 08-2023
Modelling and quantitation of embodied, operational and mobile energies of buildings: a holistic review from 2012 to 2021
Publisher: Emerald
Date: 06-2023
Life-Cycle Greenhouse Gas Emission Analyses for Green Star's Concrete Credits in Australia
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 08-2019
Assessing the usability of blockchain for sustainability: Extending key themes to the construction industry
Publisher: Elsevier BV
Date: 04-2022
Life cycle energy consumption prediction based on an extended system boundary with the Bi-LSTM model: An empirical study of China
Publisher: Elsevier BV
Date: 11-2023
Dynamically assessing life cycle energy consumption of buildings at a national scale by 2020: An empirical study in China
Publisher: Elsevier BV
Date: 10-2023
A REVIEW ON LIFE CYCLE COST ANALYSIS OF BUILDINGS BASED ON BUILDING INFORMATION MODELING
Publisher: Vilnius Gediminas Technical University
Date: 22-02-2023
Abstract: Life cycle cost analysis (LCCA) plays an essential role in the economic sustainability assessment of buildings, and building information modeling (BIM) offers a potentially valuable approach to fulfilling its requirement. However, the state of LCCA based on BIM is unclear despite previously published works. Therefore, this paper aims to address this gap by reviewing 45 relevant peer-reviewed articles through a systematic literature search, selection, and assessment. The results show that three data exchange methods integrate BIM and LCCA through data input, calculation, and output. Precision management, optimization measures, and parameter analysis through BIM significantly improve the value of buildings. Also, a methodological framework is summarized that combines LCC with other indicators based on BIM to consider economic, environmental, and social impacts, which can be monetized to assess life cycle sustainability costs. These findings provide insights for scholars and practitioners.
Critical analysis of construction workforce sustainability in a developed economy – case study in Hong Kong
Publisher: Thomas Telford Ltd.
Date: 10-2018
Abstract: The construction industry in developed economies is suffering from a shortage of workers, triggering project cost escalations and project delays and suppressing the whole economy. This paper aims to explore the perceptions of the general public and construction workers towards workforce shortages in the Hong Kong construction industry and identifies the critical factors affecting their intention to join the industry. The triangulation approach was adopted in this study and a street survey was conducted in grass-roots areas in Hong Kong. The questionnaire was formatted using a five-point Likert scale and semi-structured interviews with ten experienced workers were used to validate and interpret the results from the street survey results. The triangulation approach found that ‘harsh working conditions’, ‘job instability’ and ‘lack of career prospects’ are the primary barriers dissuading the public to join the construction industry. This paper provides insights into the critical factors affecting the construction workforce supply and identifies possible solutions for maintaining a sufficient workforce.
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