THE PRINCIPLE OF IN-SITU STRESS MEASUREMENT BY HYDRAULIC JACKING TEST AND ITS APPLICATION IN ENGINEERING PROJECT
水力阶撑法用于原地应力测量的工作原理及其工程实践

The hydraulic jacking test is used as a new method for in-situ stressmeasurement. The principle and hydraulic mechanism of the test are illustrated in detail.Taking a field practice as an example, the operation procedure and the characteristics ofthis method are presented and discussed.