青藏高原东北缘水压致裂地应力测量

详细信息

收稿日期: 1999-05-27

CRUSTAL STRESS MEASUREMENT IN NORTHEASTERN QINGZANG PLATEAU BY HYDROFRACTURING

Received Date: 27 May 1999

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σ_Hmax > σ_Hmin > σ_V,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。
- 青藏高原东北缘 /
- 水压致裂测量 /
- 地应力
Abstract: Measurement of crustal stress by hydrofracturing was first made in northeastern Qingzang plateau.As a result we have a stress state of σ_Hmax > σ_Hmin > σ_V with the horizontal principal stress trending NE-ENE which agrees with the regional structures.
- Northeastern Qingzang plateau /
- hydrofracturing measurement of crustal stress /