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Construction waste modelling for residential construction projects in New Zealand to enhance design outcomes
Waste Management ( IF 7.1 ) Pub Date : 2020-11-13 , DOI: 10.1016/j.wasman.2020.10.010
Niluka Domingo , Tim Batty

Construction waste generation is a crucial issue in the construction industry worldwide which gives significant negative impact towards the environment, economy and society. New Zealand (NZ) is no exception with the construction industry being responsible for up to 50% of landfill waste. The quantification of construction waste generation is critically important to manage its negative impacts effectively. Due to the differences in materials, technologies and processes in the construction projects, NZ requires more specific data to quantify waste generation accurately. This study analysed waste quantities from 159 detached residential buildings to quantify waste generation rate per gross floor area (WGR). The WGR is 32. 2 kg/m2 which sits mid-range compared to other international studies. A regression model for predicting waste and trend analysis were conducted to identify the highly correlated design features with waste generation. Findings of this study are useful to determine the impact of design decisions on waste generation for typical NZ builds. Although the findings primarily aimed at the NZ construction industry, the results can apply to detached timber-framed homes overseas.



中文翻译:

新西兰住宅建筑项目的建筑垃圾建模,以提高设计效果

建筑废料的产生是全世界建筑业的关键问题,它给环境,经济和社会带来严重的负面影响。新西兰(NZ)也不例外,建筑行业最多负责填埋场废物的50%。建筑垃圾产生的量化对于有效管理其负面影响至关重要。由于建设项目中材料,技术和过程的差异,NZ需要更具体的数据来准确量化废物的产生。这项研究分析了159栋独立住宅的垃圾数量,以量化每总建筑面积(​​WGR)的垃圾产生率。WGR为32. 2 kg / m 2与其他国际研究相比,它处于中等水平。进行了预测废物和趋势分析的回归模型,以确定与废物产生高度相关的设计特征。这项研究的结果对于确定典型新西兰建筑物的设计决策对废物产生的影响很有用。尽管调查结果主要针对新西兰建筑业,但该结果可适用于海外的独立式木结构房屋。

更新日期:2020-11-13
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