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Security Reliability Analysis of Circulating Water Pump House Pit Excavation of Chen Jiagang Power Plant
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The circulating water pump house pit excavation of Chen Jiagang power plant is characterized with complex geological and hydrological condition, high water level, and weakly permeable silt layer within the scope of pit excavation. Based on design and construction principles of safety, feasibility, rationality and economy, different foundation pit dewatering and support programs were analyzed and compared, a excavation method featured with well dewatering and steel pipe soil nails hanging net and stakes was elaborately designed, and establish a monitoring feedback system. And in the base of mathematical statistics, Taylor series method is used to analyze the reliability probability problems of excavation slope stability analysis. The successful implementation of the project indicated that the design and parameters of Chen Jiagang power plant circulating water pump house pit excavation is feasible, and Taylor series method combined with conventional safety factor is able to analyze the influence of material parameters variation on the excavation of the slopes safety.
Title: Security Reliability Analysis of Circulating Water Pump House Pit Excavation of Chen Jiagang Power Plant
Description:
The circulating water pump house pit excavation of Chen Jiagang power plant is characterized with complex geological and hydrological condition, high water level, and weakly permeable silt layer within the scope of pit excavation.
Based on design and construction principles of safety, feasibility, rationality and economy, different foundation pit dewatering and support programs were analyzed and compared, a excavation method featured with well dewatering and steel pipe soil nails hanging net and stakes was elaborately designed, and establish a monitoring feedback system.
And in the base of mathematical statistics, Taylor series method is used to analyze the reliability probability problems of excavation slope stability analysis.
The successful implementation of the project indicated that the design and parameters of Chen Jiagang power plant circulating water pump house pit excavation is feasible, and Taylor series method combined with conventional safety factor is able to analyze the influence of material parameters variation on the excavation of the slopes safety.
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