空心包体应变计测量精度问题

Problems on Accuracy of Hollow Inclusion Strain Cells

空心包体应变计已在国内外地应力测量中得到广泛的应用。然而目前国内在使用空心包体应变计的测量结果计算地应力场的过程中存在着一些不可忽视的问题，这些问题与使用者对空心包体应变计的理论基础和工作原理缺乏认识有关。而这些问题的存在将大大影响地应力测量计算结果的可靠性和准确性。本文提出了有关问题并给出了解决这些问题的有效技术和方法。

Hollow inclusion cells have been widely used for in-situ stress determnation both in chinaand in the world.However,there are some problems in the analysis and calculation of stress field fromstrains measured with the hollow inclusion cells during stress relief.They will greatly influence the re-liability and accuracy of the measured results of in-situ stress. This paper brings these problems up andprovides relevant techniques and methods for solving them.