Device and method for testing temperature loss rate of asphalt concrete panel in strong wind environment

By designing the temperature dispersion rate test device for asphalt concrete panels in high wind environments, including simulation tests and in-situ testing devices, the problem that the existing technology cannot effectively test the impact of the high wind environment on the temperature dispersion of asphalt concrete is solved, and the accurate measurement of the temperature dispersion rate of asphalt concrete and effective support for temperature control and crack prevention technology is achieved.

CN119688778AActive Publication Date: 2025-03-25SINOHYRDO ENG BUREAU 3 CO LTD +1
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Patent Information

Application Number
CN202411865821.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-03-25
Estimated Expiration
2044-12-18

AI Technical Summary

Technical Problem

The existing technology lacks effective testing equipment and methods, and cannot fully understand the impact of strong wind environment on the temperature loss of asphalt concrete, resulting in asphalt concrete being prone to cracks or cracks in the early age, affecting paving quality and service life.

Method used

A temperature dissipation rate test device for asphalt concrete panels in high wind environments is designed, including a simulation test device and an in-situ test device. The simulation test device simulates a strong wind environment and measures the temperature dissipation rate through components such as simulation boxes, temperature compensators, adjustable hair dryers and temperature sensors. The in-situ test device is equipped with temperature sensors and wind speed measuring devices on site to monitor and test the temperature dispersion rate of asphalt concrete panels in real time.

Benefits of technology

Through this test device, the temperature dissipation rate of asphalt concrete in strong wind environments can be accurately understood, effective temperature control and crack prevention technical support can be provided, and the paving quality and service life of asphalt concrete can be improved.

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Abstract

The invention discloses a device and a method for testing the temperature loss rate of an asphalt concrete panel in a strong wind environment. The device comprises a simulation test device and an in-situ test device, the method comprises the following steps: 1, pouring an asphalt concrete test block; 2, a temperature compensator is adjusted; 3, setting a strong wind environment; 4, collecting a plurality of groups of key parameters in the forming process of the asphalt concrete test block; 5, changing a strong wind environment to obtain multiple groups of key parameters; 6, acquiring a plurality of groups of key parameters in the bituminous concrete test block forming process under various different strong wind environments; 7, fitting a temperature loss rate calculation model of the asphalt concrete type required by the construction site; 8, the asphalt concrete panel is poured on site, and a plurality of third temperature sensors located at different heights are pre-buried; and 9, testing the temperature loss rate of the asphalt concrete panel in the field strong wind environment by using an in-situ testing device. The temperature loss rate is obtained by fitting a temperature loss rate calculation model, and technical support is provided for temperature control and crack prevention of asphalt concrete.
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