汶川地震灾区建筑废物统计分析
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摘要
汶川地震因房屋倒塌和危房拆除产生了大量的建筑废物,对建筑废物的处理关系到灾后重建能否顺利有效地进行。首先在汶川地震震害情况统计的基础上,依据不同结构形式房屋与建筑废物的关系,指出了砌体结构、框架结构和砌体—框架混合结构为建筑废物的主要来源,并初步建立了灾区建筑废物总量的数学模型,然后从结构、材料和破坏情况的角度对建筑废物的种类和数量进行了统计分析,总结了灾区建筑废物的组成和分布特点:建筑废物主要为废混凝土和废砖,其主要来源为砌体结构。
A huge amount of building waste was caused by collapsed houses and dilapidated buildings as a result of Wenchuan earthquake.The smooth disposal of building waste will make the post-earthquake reconstruction work effective.Based on the statistics of the earthquake damage and the relationship between different building structures and building waste produced,it was indicated that masonry structures,frame structures and mixed structures between them are the main source of building waste.An initial mathematical model about the amount of building waste in the disaster area was firstly set up,then the type and the quantity of building waste were statistically analyzed from the aspects of structure,materials and damage situation.Finally,the composition and distribution characteristics of building waste in disaster area were concluded as:the main building waste is waste concrete and waste brick,and most of it comes from the masonry structures.
A huge amount of building waste was caused by collapsed houses and dilapidated buildings as a result of Wenchuan earthquake.The smooth disposal of building waste will make the post-earthquake reconstruction work effective.Based on the statistics of the earthquake damage and the relationship between different building structures and building waste produced,it was indicated that masonry structures,frame structures and mixed structures between them are the main source of building waste.An initial mathematical model about the amount of building waste in the disaster area was firstly set up,then the type and the quantity of building waste were statistically analyzed from the aspects of structure,materials and damage situation.Finally,the composition and distribution characteristics of building waste in disaster area were concluded as:the main building waste is waste concrete and waste brick,and most of it comes from the masonry structures.
引文
[1]National committee of experts on Wenchuan Earthquake.Press conference sponsored by the State Council InformationOffice about Wenchuan Earthquake and disater damage as-sessment[C].2008-09-04.[国家汶川地震专家委员会.国新办汶川地震与灾损评估情况发布会[C].2008-09-04].http://www.china.com.cn/news/2008-09/04/content_16386369.htm
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[2]Xiao Jianzhuang,Lei Bin,Wang Changqing.Recycledproducts from concrete waste in Wenchuan Earthquake-hitarea[A].The First National Academic Exchange Confer-ence on the Research and Application of Recycled Concrete[C].Shanghai,2008.[肖建庄,雷斌,王长青.汶川地震灾区建筑垃圾的资源化利用[A]//首届全国再生混凝土研究与应用学术交流会[C].上海,2008.]
[3]Civil and Structural Groups of Tsinghua University,XinanJiaotong University and Beijing Jiaotong University.Analy-sis on seismic damage of buildings in the Wenchuan earth-quake[J].Journal of Building Structures,2008,29(4):1-9.[清华大学土木工程结构专家组,西南交通大学土木工程结构专家组,北京交通大学土木工程结构专家组,叶列平,陆新征.汶川地震建筑震害分析[J].建筑结构学报,2008,29(4):1-9.]
[4]Ministry of Construction of the People’s Republic of China.Grading standard for seismic damage of buildings[S].1990.[中华人民共和国建设部.建筑地震破坏等级划分标准[S].1990.]
[5]Han Jun,Li Yingmin,Liu Liping,et al.Building damage inMianyang city caused by the“5.12”Wenchuan earth-quake[J].Journal of Chongqing Jianzhu University,2008,30(5):21-27.[韩军,李英民,刘立平,等.“5.12”汶川地震绵阳市区房屋震害统计与分析[J].重庆建筑大学学报,2008,30(5):21-27.]
[6]Shi Jianguang,Deng Hua,Lin Shuzhi.Discussion on recy-cling and reusing way of building waste left by Wenchuanearthquake[J].Fujian Architecture&Construction,2008,(11):27-30.[石建光,邓华,林树枝.汶川地震后建筑废物再利用途径探讨[J].福建建筑,2008,(11):27-30.]
[7]Chen Zhaoyuan,Qian Jiaru.Survey of building damagecaused by Wenchuan earthquake and analysis report for thepost-earthquake reconstruction[M].Beijing:China Archi-tecture and Building Press,2008.[陈肇元,钱稼茹.汶川地震建筑震害调查与灾后重建分析报告[M].北京:中国建筑工业出版社,2008.]
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