西南某巨型水电站地下厂房顶拱安全埋高解析解初步研究

AN ELEMENTARY STUDY ON THE ANALYTICAL METHOD OF THE SAFETY HEIGHT OF VAULT OF UNDERGROUND WORKSHOP OF A HUGE WATER AND ELECTRICITY PLANT IN SOUTHWESTERN CHINA

安全埋高是在研究该水电站地下厂房围岩稳定性时所提出的一个重大的工程地质问题 ,该问题的解决对经济合理地设计地下厂房顶拱围岩支护结构具有重要的意义。目前该问题研究较少 ,本文探索了用结构力学的基本原理来解决安全埋高问题。研究结果表明该方法能够较好地解决该问题 ,并为进一步用数值模拟分析提供了依据。

Safety Height(SH)is an important engineering geological problem in studying the stability of surrounding rock of underground workshop of a huge water and electricity plant in Southwestern China. The solution of this problem is of an important significance for the design of surrounding rock support structure of underground workshop economically and reasonably. Such problem is little demonstrated up to date.This paper tries to probe into the problem of SH using the fundament of structure mechanics. The result indicates the better solution and provides gist for further numerical simulation.