水利工程高边坡挖掘施工风险评估

Risk Assessment on High Slope Excavation Construction in Water Conservancy Project

针对传统施工风险评估模型存在的风险指数敏感度低的问题,设计一种新的水利工程高边坡挖掘施工风险评估模型。引入层次分析法确定高边坡挖掘施工风险层级结构,对不同的风险因素进行识别,从而确定各层风险指标,完成对指标体系的构建;对体系中指标进行分级,确定风险评估等级,实现对水利工程高边坡挖掘施工风险的评估。实验结果表明:与传统模型相比,所提模型的风险指数敏感度更高,有效提高了风险评估结果的质量,更适用于水利工程高边坡挖掘施工管理。

In view of the low sensitivity of risk index in traditional construction risk assessment model,a new construction risk assessment model for high slope excavation in hydraulic engineering is designed.The analytic hierarchy process(ahp)is introduced to determine the risk hierarchy structure of high slope excavation construction,identify different risk factors,determine risk indicators of each layer,and complete the construction of indicator system.The indexes in the system are classified,the risk assessment level is determined,and the risk assessment of high slope excavation and construction in water conservancy project is realized.The experimental results show that compared with the traditional model,the risk index of the proposed model is more sensitive,which effectively improves the quality of risk assessment results and is more suitable for the excavation and construction management of high slope in water conservancy projects.