【作者】 马启超； 王宝林；

【Author】 Ma Qichao Wang Baolin (Tianjin University)

【机构】 天津大学水利系；

【摘要】 本文根据边界元法的基本原理,提出了一种利用岩体中有限点的实测应力值求得岩体地应力场的方法。其基本思想是,通过引用实测值,扩大常规边界元法基本方程组,直接求出应力场。文中用此方法进行了实际工程计算;并与有限元法计算结果及光弹实验结果进行了比较,结果是一致的。通过计算表明,这种方法是正确可行的,而且是十分方便的。更多还原

【Abstract】 Basing on the principle of the Boundary Element Method(BEM),authors of this paper have developed a new computational method for the initial stress field in rock masses.Its basic idea is to solve the stress field directly through expanding the system of equations of ordinary BEM using the measured stress values. In present paper,this method has been used in conducting practical engineering computation.A critical comparison is derived from the results such as those of finite element regression method and photoelastic model experiment,being all in agreement.It shows that this method is feasible for implementation and easy for operation.更多还原