Rock mass structure plane test sample preparation mold

By designing an integrated mold inner and outer frame, combined with support adjustment components and a bubble meter, the problem of structural surface shear direction deviation during rock mass sampling was solved, ensuring the accuracy of the sampled specimens and the validity of subsequent test data.

CN224341314UActive Publication Date: 2026-06-09ANHUI UNIVERSITY OF ARCHITECTURE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI UNIVERSITY OF ARCHITECTURE
Filing Date
2025-07-02
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In geotechnical engineering, the shear direction of structural surfaces is easily deviated during the field rock mass sampling process, which leads to inaccurate data in subsequent direct shear tests.

Method used

The mold uses an integrated inner and outer frame, combined with a support and adjustment assembly and a horizontal bubble level to ensure that the mold is in a horizontal and vertical position. The gaps on the rock surface are filled by steel plate grooves and steel plates, and the shearing direction is marked by an angle gauge to ensure that the sampled specimen is consistent with the main shearing direction of the in-situ rock mass.

Benefits of technology

It ensures the accuracy of the shear direction of the sampled specimen in the direct shear test, guarantees the validity of subsequent test data, and facilitates rapid installation and disassembly in the field.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of rock mass structure plane test sample preparation mould, it is related to geotechnical engineering scientific test technical field, for preparing sampling test sample, including integrally formed mould inner frame and mould outer frame, multiple steel sheet grooves are opened between the mould inner frame and mould outer frame, the shape formed by multiple steel sheet grooves is matched with the inner cavity shape of mould inner frame;Multiple steel sheets are evenly arranged in each steel sheet groove, and the bottom of each steel sheet is in contact with the surface of the rock mass to be sampled;By setting horizontal bubble instrument combined with support adjusting assembly, the problem that the shear direction of structural plane is prone to deviation during sampling process when sampling rock mass in the field at present is solved, and the effectiveness of the data obtained in subsequent direct shear test is realized.
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