Results of in-situ Stress Measurement in Ekou Iron Mine
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摘要: 介紹了峨口鐵礦的地應力測量同時采用的水壓致裂法和應力解除法的基本原理和在現場測量中所采用的新技術.根據實測地應力數據,使用靜態系統灰色曲線模型獲得峨口礦區的地應力分布規律.結果表明由兩種方法所獲得的測量結果具有良好的一致性.Abstract: Both hydraulic fracturing and borehole overcoring methods were used for in-situ stress measurement in Ekou Iron Mine. The basic principles of these two methods and a series of new techniques used in the field measurement are introduced. -Based on the measuring results,the distribution law of in-situ stress state in the Mine was established using grey algebraical curve model. The measuring results obtained by two different methods showed good agreement.
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