When the rock mass of dam abutment is enclosed by faults, joint fissures and bedding planes, it is necessary to carry out holistic anti-slide stability analysis in order to make the abutment withstand potential slide.

• 摘要当拱垻垻肩岩体为断层、节理裂隙、层面等结构面所围成，有可能産生滑移时，就应进行整体抗滑稳定分析。