Geotechnical measurement system and porosity measurement method and saturation measurement method

By setting up heating and temperature measurement structures inside soil and rock samples and analyzing porosity and saturation using thermal response characteristics, the problem of non-destructive measurement of soil and rock porosity and saturation in existing technologies has been solved, enabling rapid and accurate on-site measurement.

CN122345557APending Publication Date: 2026-07-07TSINGHUA UNIVERSITY +1
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Patent Information

Application Number
CN202510018643.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing technologies make it difficult to accurately measure the porosity and saturation of soil and rock directly and non-destructively in the field or underground, and conventional methods suffer from large errors and difficulties in interpretation.

Method used

A geotechnical measurement system is used, which analyzes porosity and saturation by setting up heating and temperature measurement structures inside the geotechnical sample and utilizing thermal response characteristics. The system includes a heating and temperature measurement composite cable and a data processing device to achieve non-invasive measurement.

Benefits of technology

It enables rapid and accurate measurement of porosity and saturation in the field or underground, avoiding errors introduced by destructive sampling and human disturbance, and improving the accuracy and efficiency of measurement.

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Abstract

The application discloses a kind of geotechnical survey system and porosity measurement method and saturation measurement method, and geotechnical survey system includes: at least one heating structure, first position is installed at inside of geotechnical sample;First temperature measuring structure, first position is installed at inside of the geotechnical sample or second position is installed at inside of the geotechnical sample;Data processing device, with the heating structure and the first temperature measuring structure electric connection can be according to the heating time and heating power of the heating structure and the temperature change analysis and processing of the installation place of the first temperature measuring structure obtain the parameter to be measured of the geotechnical sample.The application is analyzed and processed according to the thermal response characteristics of geotechnical sample, and the porosity and saturation of geotechnical sample can be obtained, and formation can be directly measured in field or downhole, without destructive sampling or coring, so that artificial disturbance and error possibly introduced in sample preparation process can be avoided.
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