基于模糊数学理论的砖混建筑泥石流冲击破坏评价方法

英文篇名：Quantitative Estimation of the Damage of Brick and Concrete Building Impacted by Debris Flow Based on Fuzzy Mathematics Theory
中文刊名：灾害学
英文刊名：Journal of Catastrophology
作者：张婧 ; 王东 ; 郭志学 ; 钱撼
英文作者：Zhang Jing ; Wang Dong ; Guo Zhixue ; Qian Han ; School of Energy and Power Engineering Xihua University ; State Key Laboratory of Hydraulics and Mountain River Engineering ; Sichuan University ; Highway Planning Survey & Design Institute ; Sichuan Communications Department ; Chengdu Municipal Engineering Design And Research Institute
中文关键词：模糊数学 ; 泥石流 ; 冲击 ; 破坏 ; 西南地区 ; 砖混建筑 ; 易损度
英文关键词：Fuzzy Mathematics ; debris flow ; brick and concrete building ; vulnerability
出版日期：2015-07-20
机构：西华大学能源与动力工程学院;四川大学水力学及山区河流开发保护国家重点实验室;四川省交通运输厅公路规划勘察设计研究院;成都市市政工程设计研究院;
年：2015
期：03
出版单位：灾害学

摘要

易损度曲线是泥石流易损度评估的重要方法之一,但一直缺乏相应的承灾体泥石流冲击破坏的损失等级标准,定量化评估多采用直接赋值的方法。以西南地震区常用建筑形式——砖混建筑为研究对象,通过参考其他行业的损坏标准,结合泥石流冲击荷载实际情况,确定了砖混建筑受力墙体损坏等级标准。在此基础上,建立了基于模糊数学理论的砖混建筑泥石流冲击破坏评价方法,通过单项评判、权重计算和综合评判三个步骤,可以进行易损度计算。通过实例应用研究的验证,该方法较传统的直接赋值法定量化程度更高,能够避免指标在阀值附近的不合理现象。
Vulnerability curve is one of the most effective methods for the estimation of elements vulnerability in debris flow. Due to the lack of damage standards in debris flow,specific value assigned directly is most used in traditional quantitative estimation. Taking brick and concrete building as the study object,which was widely used in south west region of China,this paper confirmed the damage standard of the wall of brick and concrete building with reference of relevant damage standard files and the real condition of debris flow attack. Then,the quantitative estimation method based on Fuzzy Mathematics Theory was established. With three steps,firstly individual judgment,secondly weight calculation,and thirdly final estimation,the vulnerability can be obtained. The conclusions could be made via the example: the quantitative estimation established in this paper could provide more specific value and avoid unreasonable phenomenon around the critical value comparing with the traditional one.

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