Mechanical property detection method for modified concrete

The described method for testing engineered concrete's mechanical properties, using a system with controlled force and temperature applications, addresses inefficiencies in existing methods by optimizing the testing process and providing clear performance assessments, enhancing efficiency and accuracy.

CN119688457AActive Publication Date: 2025-03-25CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Patent Information

Application Number
CN202411445955.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-03-25
Estimated Expiration
2044-10-16

AI Technical Summary

Technical Problem

Current methods for testing the mechanical properties of engineered concrete are inefficient, requiring extensive manual analysis and unable to directly obtain mechanical performance results, leading to time-consuming processes.

Method used

A method involving a system with a testing apparatus that includes a placement unit, a gripping unit, and a loading unit to apply forces to the concrete, coupled with temperature control using resistive heating elements, to measure and analyze the concrete's mechanical properties through a series of force and stress measurements, including stretching, compressing, and shearing, while optimizing the testing process with a failure expression and validation of equipment state.

Benefits of technology

This method significantly enhances the efficiency of mechanical property testing for engineered concrete by providing direct calculations of internal failure states and reducing errors, allowing for clearer assessment of concrete performance under various conditions.

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Abstract

The invention relates to the technical field of mechanical property detection, in particular to a mechanical property detection method for modified concrete, which comprises the following steps: sequentially extracting to-be-tested concrete from a to-be-tested concrete set, acquiring fixed concrete by using a clamp unit, and acquiring fixed tensile force by using a force application unit, acquiring fixed compression force and fixed shear force based on the force application unit and the fixed concrete; acquiring heated concrete based on the target thermal resistance heating wire; performing stretching operation on the cooled concrete by utilizing the force application unit to obtain cooling stretching force; acquiring cooling compression force and cooling shear force based on the force application unit and the cooled concrete; acquiring a compression difference value by utilizing the fixed compression force and the cooling compression force, acquiring a shear difference value according to the fixed shear force and the cooling shear force, and acquiring a feedback report by utilizing the tensile difference value, the compression difference value and the shear difference value, so that the mechanical property detection of the modified concrete is realized. The mechanical property detection efficiency of the modified concrete is improved.
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