论文部分内容阅读
本文在拟粘弹型反馈设计法的基础上,进一步提出了拟粘弹——塑型反馈设计法。它是按位移等价的原则,将错综复杂的岩体简化为某一种弹塑性体,通过现场位移量测数据,反算出随时间而变化的等价弹模 E_t,以此来反映真实岩体中各种复杂条件和时间因素对地下洞室稳定性的影响。本文提出的计算方法是一种工程实用方法,它在喷锚支护的定量设计方面作了一些尝试。
Based on the proposed viscoelastic feedback design method, this paper further proposes a pseudo viscoelastic-plastic feedback design method. It is based on the principle of displacement equivalence. It simplifies the intricate rock body into an elasto-plastic body. Through the on-site displacement measurement data, the equivalent elastic model E_t that changes with time is inversely calculated to reflect the actual rock mass. Influence of various complex conditions and time factors on stability of underground caverns. The calculation method proposed in this paper is a practical engineering method. It has made some attempts in the quantitative design of the spray anchor support.