应力解除法在某金矿地应力测量中的新进展

本文介绍了应力解除法在胶东某金矿地应力测量中的应用。在测量过程和结果计算中使用了改进型空心包体应变计，完全温度补偿技术，自动数据采集记录系统和双迭代法求解测点Ｋ系数、岩石弹性模量、泊松比和地应力的新方法，有效在保证了测量结果的精度。矿区地应力场实测结果和区域构造应力场显示了良好的一致性，有力地证明了实测结果的可靠性和正确性。

NEW DEVELOPOPMENT OF STRESS RELIEF METHOD FOR DETERMINATION OF IN-SITU STRESSES IN A GOLD MINE

The application of stress relief method by overcoring is introduced for determinationof in-situ stresses in a gold mine.A series of new techniques are used in the measurement,such as the technique of complete temperature compensation,improved hollow inclusioncells,automatic data recording equipment and dual iteration method for determination ofrock properties and 3-D stress state at every measuring point.These new techniques ensure the reliability and accuracy of the measurement effectively.The measured insitustress state of the mine shows a good accordance with the regional tectonic stress field,which strongly proves the correctness of the measured results.