科研之友
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摘要
Steel structures represent an interesting alternative to conventional construction solutions. Their characteristics can easily be highlighted when looking at construction sustainability principles, such as its durability, adaptability or recyclability. This paper compares the assessment procedure of three building sustainability assessment systems (BSA): SBTool(PT)-H, BREEAM's Code for Sustainable Homes and LEED for homes v4 when dealing with steel solutions. BSA tools are developed to independently provide an evaluation of buildings' sustainability performance considering different impact categories. However, these may not valorise all the possible benefits a construction solution can have due to weighing, calculation procedures' constraints and indicators addressed. The way these systems address steel sustainability advantages is discussed through their application to a case study single family building. This research work showed that existing BSA tools mainly focus on conventional construction and thus some sustainable benefits of other solutions can often be hardly acknowledged. To deal with sustainable construction aspects, in particular with steel construction, a systemic approach is needed, at early design stages to aid defining the sustainable building concept through tangible goals so to achieve the most appropriate balance between socio-cultural, economic and environmental fields.
- 出版日期2016-4
