小湾水电站坝肩不良地质体及工程处理  

WEAK GEOLIGIC BODY AND ENGINEERING OPERION OF XIAOWAN DAM ABUTMERNT

作　　者：李开伟[1] 萧峰[1] 廖声林[1] 贺宁强[1] 李俊[1] 

机构地区：[1]昆明理工大学国土资源工程学院地球科学系,云南昆明650093

出　　处：《云南地理环境研究》2008年第5期44-47,58,共5页Yunnan Geographic Environment Research

摘　　要：小湾水电站为大(Ⅰ)型一等工程,其大坝类型为混凝土双曲拱坝。双曲拱坝由于传力特性,其对坝肩岩体的抗滑、抗剪要求较高,小湾水电站坝肩不良地质体较为发育,因此不良地质体边界的确定及力学参数的研究显得极为重要,在工程的实际处理中,针对坝肩不良地南体设计了洞塞置换和抗剪洞,坝肩洞塞的增设增加了坝肩的稳定,提高了坝肩的安全丰裕度。Xiaowan hydroelecttic power station is the wodd- famous engineering, many kinds of weak geologic bodies infuence its dam shoulder, so dam shoulders＇ stability is very important to the power plant dam, we must be clear about to weak geologic body boundary and mechanics parameter boundary, in the actual engineering operation, it replacement holes and anti -cuts the holes has be established t, it strengthened the dam shoulder stability.

关 键 词：小湾 坝肩 地质体 工程处理 

分 类 号：P642[天文地球—工程地质学]