CRUSTAL STRESS MEASUREMENT IN NORTHEASTERN QINGZANG PLATEAU BY HYDROFRACTURING
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摘要: 在青藏高原东北缘首次采用水压致裂法进行了地应力测量,结果显示:在测量深度域内,青藏高原东北缘三个主应力之间的关系表现为σHmax > σHmin > σV,水平主应力占主导地位,现今地壳应力场的主压应力方向为NE-NEE,测量结果与地质事实较吻合。Abstract: Measurement of crustal stress by hydrofracturing was first made in northeastern Qingzang plateau.As a result we have a stress state of σHmax > σHmin > σV with the horizontal principal stress trending NE-ENE which agrees with the regional structures.
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