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建筑施工,安全第一.以建筑施工现场为研究对象,基于问卷调查和因子分析法构建了建筑施工现场安全评价指标体系,包含目标层、准则层、指标层三个层次共48个测项,满足了对施工现场安全状态和安全管理水平评价的需求;引入悲观度指数,改进和优化区间数层次分析模型,并通过增加约束条件,给出了满足一致性逼近要求的区间数判断矩阵的构建过程及矩阵A(x)、半偏差矩阵的计算方法等;通过带有风险偏好信息的区间数互反判断矩阵的权重求解,对所构建的建筑施工现场安全评价指标体系进行赋权,提高了各指标权重的科学性,克服了传统评价方法过于依赖评价者的主观判断而导致的客观性不足问题;以青岛市西海岸医疗中心为工程实例,对模型进行验证分析.
Building construction and safety first.Based on the construction site, this paper constructs the safety assessment index system of construction site based on questionnaire and factor analysis, including 48 measurement items at target, criterion and indicator levels, Meets the needs of the construction site safety status and safety management level evaluation; introduces the pessimistic index, improves and optimizes the interval number level analysis model, and gives the interval number judgment matrix to meet the consistency approximation by increasing the constraint conditions Process and the matrix A (x), the calculation method of the semi-deviation matrix; weighted by the number of the inverse of the matrix with risk preference information to weight the index system of the construction site safety assessment constructed to enhance the The scientificalness of each indicator weight overcomes the problem of objectivity caused by the traditional evaluation method being too dependent on the subjective judgment of the evaluator. The project is carried out by using the West Coast Medical Center of Qingdao as an example to verify the model.