摘要
本文在对高层建筑施工安全风险评价的研究中运用未确知测度(UM)理论,经过综合分析高层建筑施工中安全事故的特点,最终选取了5项一级指标和19项二级指标,构建了高层建筑施工安全风险评价的指标体系;用信息熵求各指标权重,依照置信度识别准则判断风险等级;并应用于工程实例,成功判定出该工程的综合安全风险等级为Ⅲ级。结果表明,此方法不但能求出高层建筑施工安全风险等级,还可以客观反映施工中危险源的情况,为高层建筑施工安全风险性评价提供有效参考。
In this paper, authors applied the uncertainty measurement theory to the high - rise construction safety risk assessment study. Five first class indexes and the second index of 19 are chosen according to the characteristics and the cause of the safety accidents in the high - rise building. And an uncertainty measurement evaluation model based on the uncertainty measurement theory is proposed for predicting the construction risk of the high - rise building. The weight of each index is calculated by using the information entropy, and the risk grade is predicted in accordance with the confi- dence identify rules. A high -rise building is taken as an example, the comprehensive risk rating of the high -rise building is predicated successfully and its risk level is shown to be the grade Ⅲ. The risk evaluations for the high - rise building construction not only include the risk grade of the high - rise building construction period but also reflect the dangerous sources during the high -rise building construction, which provide effective reference for the security risk evaluation of high - rise building construction.
出处
《河北工程大学学报（自然科学版）》
CAS
2014年第4期98-101,共4页
Journal of Hebei University of Engineering:Natural Science Edition
关键词
高层建筑施工
风险评价
未确知测度
信息熵
high - rise building construction
risk evaluation
uncertainty measurement
information entropy
