over-coring method 中文意思是什麼
over-coring method
解釋
套鉆法-
It is stated systematically in the thesis the method ' s theories and measuring principle of all kinds of geostress determination technology. in particular the four methods recommended in 1987 by the committee of test method of the international society of rock mechanics, i. e. two over - coring methods of strain relief in boreholes, hydraulic fracturing method and stress furbish measurement which measures the surface stress
本文較為系統地、全面地介紹了當前國內外通用的各種地應力測量方法的理論、測量原理;特別就國際巖石力學學會試驗方法委員會於1987年推薦的4種地應力測定方法(鉆孔孔徑變形測量法、鉆孔孔壁應變測量法、水壓致裂法以及測量巖體表面應力的應力恢復測量法)作了較為詳細的敘述。
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