Ground stress determination method based on vertical drilling hole wall deformation

Through vertical drilling hole wall deformation data, combined with constitutive models such as Burgers model, the existing ground stress testing methods have been solved, and efficient and accurate ground stress determination is achieved.

CN119102604AActive Publication Date: 2024-12-10UNIV OF SCI & TECH BEIJING
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Patent Information

Application Number
CN202411289896.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2024-12-10
Estimated Expiration
2044-09-14

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Abstract

The embodiment of the invention discloses a ground stress determination method based on hole wall deformation of a vertical drill hole, relates to the technical field of rock and soil mechanics measurement, and can solve the problem of large workload in the ground stress determination process in the prior art. The method comprises the following steps: drilling a vertical hole vertical to a rock surface; acquiring deformation data of a target position on the hole wall of the vertical hole; and determining the ground stress corresponding to the target position according to the deformation data, the theoretical radius of the vertical hole and a preset constitutive model. The method is suitable for the industry field related to geology.
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Citation Information

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