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INFLUENCING PARAMETERS OF THE life cycle COST-ENERGY RELATIONSHIP OF BUILDINGS

Journal of Green Building 2018年第4期13卷 103-121页

作者： Jie Wang Wei Pan Department of Civil Engineering The University of Hong KongChina Associate Professor Department of Civil EngineeringThe University of Hong KongChina

Buildings contribute around 45%of the world’s energy *** energy demand in buildings therefore plays a vital role in addressing the depletion of energy resources and associated environmental *** research explored the optimisations of the costs and energy consumption of buildings,but often overlooked the connections,tradeoffs and synergies between ***e aim of this paper is thus to develop a theoretical model of the influencing parameters of the life cycle cost-energy relationship(LCCER)of buildings using the Political,Economic,Sociocultural,Technological,Environmental and Legal(PESTEL)analytical framework.is study was carried out through a critical literature review,model development and validation through case studies with four zero or nearly zero energy building projects carefully selected from the European Union and ***e developed model addresses the buildings’LCCER by identifying the key influencing parameters and explicating the mechanisms(namely,the simultaneous and unilateral effects)by which the identified parameters affect such ***e important influencing parameters were found to reside in two aspects:(1)internal project designs covering building characteristics,building structure and function,and construction process,and(2)external environments covering climate,economic condition,occupant behaviour,policy and regulation,and buildings’lifespan focused in the *** statistical correlations were found to exist between the costs and energy consumption of the studied *** is summarised that these correlations may be attributable to the synergy between the simultaneous and unilateral effects of the identified ***e developed model contributes a systemic approach to examining the building’s life cycle economics and energy in a comparative manner.

关键词： cost energy life cycle approach zero energy building

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USING EARLY-STAGE ASSESSMENT TO REDUCE THE FINANCIAL RISKS AND PERCEIVED BARRIERS OF SUSTAINABLE BUILDINGS

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Journal of Green Building 2010年第2期5卷 114-128页

作者： Renuka Ranaweera Robert H.Crawford Faculty of Architecture Building and PlanningThe University of MelbourneVictoria3010Australia

For sustainable buildings to become mainstream they must demonstrate not only improved environmental performance but also financial performance,benefiting both end users and *** perceived financial constraints and risks are often major barriers to sustainable *** paper discusses the application of a new tool that formalizes the traditionally intuitive-based early-stage decision making processes and assesses the potential for creating a financially feasible best-practice sustainable building across a range of environmental,social and economic parameters,using the limited data available at the outset of a *** considers the total cost of ownership,demonstrating the link between the recurrent and capital costs.A detailed feasibility assessment of those areas where greatest potential for improving environmental and financial performance exists can then be carried out,saving a considerable amount of time,money and effort otherwise spent on looking at all possible strategies for achieving a sustainable *** approach also identifies areas where incorporating environmental strategies might be financially risky,reassuring investors and developers by reducing investment *** reducing some of these risks and perceived barriers to sustainable building development,it is hoped that clients and investors will be further encouraged to adopt a more sustainable approach to their building projects.

关键词： sustainable buildings environmental performance financial performance life cycle approach early stage assessment

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