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Ranking of walling materials using eco-efficiency for tropical climatic conditions: A survey-based approach
Energy and Buildings ( IF 6.6 ) Pub Date : 2021-09-24 , DOI: 10.1016/j.enbuild.2021.111503
S.V. Gurupatham 1 , C. Jayasinghe 1 , P. Perera 1
Affiliation  

All over the world, “Construction” is an important sector that consumes a significant amount of resources and produces a lot of waste. Buildings as a whole share nearly one-fourth of total electricity generation in tropical countries that results in adverse effects on the natural environment and their national economies. Enhancing the building energy efficiencies relies on material and technology selection that complement the local climatic conditions. Compressed Stabilized Earth Blocks are considered as an innovative and proven building envelope upgrade that enhances building efficiencies both economically and environmentally considering their cradle-to-gate phase. However, the cradle-to-grave life cycle impacts of Compressed Stabilized Earth Blocks compared to conventional walling materials are yet to be assessed in tropical climatic conditions for long-term decision making. Accordingly, the objective of this study is to compare compressed Stabilized Earth Blocks with conventional walling materials such as Burnt Clay Bricks and Cement Sand Blocks. The life cycle thinking approach was integrated with eco-efficiency analysis to compare and evaluate the above-mentioned materials considering their entire life span from cradle to grave. Accordingly, Compressed Stabilized Earth block has been selected as the more efficient material with environmental benefits. Moreover, since it can be used as a walling element even without the application of plaster, costs and environmental impacts could be further reduced when used without plastering. The findings of this research will encourage building developers, contractors, and practitioners in selecting the most desirable material for their projects considering costs and environmental impacts of the material life cycle.



中文翻译:

在热带气候条件下使用生态效率对墙体材料进行排名:基于调查的方法

在世界范围内,“建筑”是消耗大量资源并产生大量废物的重要部门。整个建筑占热带国家总发电量的近四分之一,这对自然环境及其国民经济造成不利影响。提高建筑能源效率依赖于与当地气候条件相辅相成的材料和技术选择。压缩稳定土块被认为是一种创新且经过验证的建筑围护结构升级,考虑到其从摇篮到大门的阶段,可以在经济和环境方面提高建筑效率。然而,与传统墙体材料相比,压缩稳定土块从摇篮到坟墓的生命周期影响尚待评估在热带气候条件下进行长期决策。因此,本研究的目的是将压缩的稳定土块与传统的墙体材料(如烧粘土砖和水泥砂块)进行比较。生命周期思维方法与生态效率分析相结合,从摇篮到坟墓的整个生命周期,对上述材料进行比较和评估。因此,压缩稳定土块已被选为具有环境效益的更有效的材料。此外,由于即使不使用石膏也可以用作墙体元件,如果不使用抹灰,可以进一步降低成本和环境影响。这项研究的结果将鼓励建筑开发商、承包商和从业人员考虑材料生命周期的成本和环境影响,为他们的项目选择最理想的材料。

更新日期:2021-10-08
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