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首页> 外文期刊>Journal of material cycles and waste management >Evaluation of current material stock and future demolition waste for urban residential buildings in Jakarta and Bandung, Indonesia: embodied energy and CO2 emission analysis
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Evaluation of current material stock and future demolition waste for urban residential buildings in Jakarta and Bandung, Indonesia: embodied energy and CO2 emission analysis

机译：印度尼西亚雅加达和万隆的城市住宅建筑物的当前物料库存和未来拆除废物的评估：体现的能源和二氧化碳排放量分析

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First, this paper evaluates the current building material stock and future demolition waste for urban residential buildings in the cities of Jakarta and Bandung using a material-flow analysis. The actual on-site building measurements were conducted in Jakarta (2012) and Bandung (2011), focusing particularly on unplanned houses, to obtain building material inventory data. A total of 297 houses were investigated in Jakarta, whereas 247 houses were measured in Bandung. Second, this paper analyses the embodied energy and CO2 emissions of building materials through an input-output analysis. The results show that, overall, the total material input intensity for the houses is 2.67 ton/m(2) in Jakarta and 2.54 ton/m(2) in Bandung. Two scenarios with zero and maximum reuse/recycling rates were designed to predict future demolition waste and the embodied energy/CO2 emissions of building materials in Jakarta. Closed-and open-loop material flows were applied. If the maximum reuse/recycling rates are applied to the closed- and open-loop material flows in Jakarta, then it would become possible to not only decrease the final disposal waste (from 123.9 to 2.1 million ton) but also reduce the corresponding embodied energy (from 247.8 to 192.1 PJ) and CO2 emissions (from 24.3 to 19.2 million ton CO2-eq) compared with the zero reuse/recycling scenario from 2012 to 2020.
机译：首先，本文使用物质流分析方法评估了雅加达和万隆市的城市住宅建筑的当前建筑材料库存和未来拆除废物。实际的现场建筑测量是在雅加达（2012）和万隆（2011）中进行的，特别是针对未计划的房屋，以获取建筑材料清单数据。在雅加达，共调查了297所房屋，在万隆对247所房屋进行了测量。其次，本文通过投入产出分析来分析建筑材料的内在能量和二氧化碳排放量。结果表明，总体而言，房屋的总材料输入强度在雅加达为2.67吨/ m（2），在万隆为2.54吨/ m（2）。设计了两种方案，零/最大再利用/再循环率分别为零和最大，以预测雅加达未来的拆除废物和建筑材料的实际能源/二氧化碳排放量。采用闭环和开环物料流。如果将最大再利用/再循环率应用于雅加达的闭环和开环物料流，则不仅可以减少最终处置废物（从123.9吨减少至210万吨），而且可以减少相应的实现能源（从247.8至192.1 PJ）和CO2排放（从24.3至1920万吨CO2-eq）与2012年至2020年的零再利用/回收情景相比。

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