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Comparative analysis of energy related performance and construction cost of the external walls in high-rise residential buildings

机译：高层住宅建筑外墙能耗相关性能和造价的比较分析

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In the design phase of a high-rise residential building, stakeholders should adopt the proper external wall system by considering energy performance and IEQ as well as construction cost and structural stability. The energy related performance and construction cost of external walls affect the life cycle cost. Therefore, also a value analysis of the LCC in terms of the energy performance is required. The purpose of this study was to evaluate the energy related performance and construction cost of external walls in high-rise residential buildings, which are the currently staple external walls, using reinforced concrete (RC), glass fiber reinforced concrete (GFRC) and cellulose fiber reinforced cement (CFRC). All the wall systems have the same doors and windows in their bodies for equal comparison of energy efficiency and construction cost. The energy efficiency of the CFRC external walls was high while the construction cost for RC external walls was low. The value assessment considering the LCC and the residents' health revealed that RC external walls were most satisfactory up to 6 years after construction, GFRC from 6 years to 26 years, and CFRC thereafter, respectively. The findings of this research will be valuable for stakeholders deciding on an external wall system. (C) 2015 Elsevier B.V. All rights reserved.
机译：在高层住宅建筑的设计阶段，利益相关者应考虑能源性能和IEQ以及建筑成本和结构稳定性，采用适当的外墙系统。外墙的能源相关性能和建筑成本会影响生命周期成本。因此，还需要就能源性能对LCC进行价值分析。这项研究的目的是使用增强混凝土（RC），玻璃纤维增​​强混凝土（GFRC）和纤维素纤维评估高层住宅建筑中外墙的能源相关性能和建筑成本，这些建筑是目前的主要外墙。增强水泥（CFRC）。所有墙体系统在其主体中都具有相同的门窗，以比较能源效率和建筑成本。 CFRC外墙的能源效率高，而RC外墙的建筑成本低。考虑到LCC和居民健康的价值评估显示，RC外墙在施工后6年内最满意，GFRC在6年至26年内最满意，其后的CFRC最满意。这项研究的发现对于决定外墙系统的利益相关者将是有价值的。 （C）2015 Elsevier B.V.保留所有权利。

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