良德坝后电站机墩结构安全及可靠性分析

Structure Safety and Reliability Analysis for Machine Foundation Pier of Liangde Hydropower Station

为了有效地解决良德电站机墩多处裂缝对其耐久性、使用寿命及结构安全的影响。考虑多种因素影响下对机墩的可靠度进行综合评定,根据综合评级结果,提出了切实可行的处理方案,为电站后续增效扩容中对机墩采取何种处理措施提供依据。

Cracks appeared in the machine foundation pier of Liangde hydropower station, which seriously affect its durability, service life and safety. In order to tackle this issue effectively, a method of synthetic assessment for reliability of the machine foundation pier with considerations of the effects of various factors is presented. According to the results, a feasible solution is proposed to provide basis to the machine foundation pier reform project for efficiency improvement and capacity expansion.