公路桥梁岸坡全寿命周期稳定性研究  

Study on Stability of Highway Bridge Bank Slope Based on Whole Life Cycle

作　　者：王文博[1] 汪涯[1] WANG Wenbo;WANG Ya(CCCC First Highway Consultants Co.,Ltd.,Xi'an 710065,China)

机构地区：[1]中交第一公路勘察设计研究院有限公司,西安710065

出　　处：《路基工程》2023年第1期207-211,共5页Subgrade Engineering

摘　　要：以内蒙古某高速公路萨岭河特大桥右侧岸坡为研究对象,将全寿命周期分为天然、施工及运营3个分析周期,根据施工组织分为8个分析阶段,确定各阶段不同的稳定性评价标准,进行三维岸坡数值模拟分析。结果表明:各阶段的桥梁岸坡稳定性均满足建设要求,除#14墩承台平台右侧开挖需设置钢板桩支护外,均无需增加预加固或支护工程。Taking the right bank slope of the Saling River Bridge in Inner Mongolia as the research object, the whole life cycle is divided into three analysis cycles: natural phase, construction phase and operation phase. It is divided into 8 analysis phases according to the construction organization, and different stability evaluation standards are determined according to each phase. The numerical simulation of three-dimensional bank slope is analyzed. The results show that the stability of the bridge bank slope at each stage meets the construction requirements. Except for the excavation on the right side of the.#14 pier cap platform, which requires steel sheet pile support, no other support and bank slope pre-reinforcement projects are required.

关 键 词：公路工程 岸坡稳定性 全寿命周期 分析周期 最不利安全系数 

分 类 号：TU457[建筑科学—岩土工程]