A device and method for indoor research on the decay law of anti-skid performance of pavement materials

Abstract

The invention relates to a device and method for indoor research on the decay law of anti-skid performance of pavement materials. The device includes a test box, a box door is opened on the surface of the test box, and a test loop is arranged in the test box. Set up the ring guide rail matchingly, arrange the test piece on the test ring track, install the wear assembly for polishing the test piece on the ring guide rail, and the anti-slip monitoring assembly for testing the change of the anti-slip performance of the test piece, the anti-slip monitoring assembly It communicates with the central computer through a connecting line; it also includes a driving device, which fits the inner side of the circular guide rail, and provides power for the wear assembly to slide on the circular guide rail; the present invention can easily and efficiently realize the accelerated wear of pavement materials under indoor conditions. Improve the accuracy and scientificity of the test results; and study the anti-skid performance decay process of the test samples, and propose the anti-skid performance decay evaluation index to better serve the pavement design and performance evaluation.

Description

technical field [0001] The invention relates to a device and method for indoor research on the decay law of the anti-skid performance of pavement materials, which belongs to the detection and evaluation of the anti-skid performance of pavement. Background technique [0002] With the rapid development of expressways in our country, people pay more and more attention to traffic safety issues, and the anti-skid performance of pavement is one of the key factors affecting traffic safety. The anti-skid performance of the pavement surface is inseparable from the anti-abrasion performance of the aggregates and mixtures used in the surface layer. Under the action of long-term driving, the pavement surface aggregates gradually become smoother, the pavement structure is denser, and the pavement anti-skid ability gradually Decay occurs. Defects in the anti-skid performance of the road surface will cause the vehicle to slip on the road surface or the emergency braking distance is too lo...

AI Technical Summary

Problems solved by technology

[0005] In summary, the traditional indoor anti-skid performance test and simulation device can no longer meet the technical needs of the current pavement design and maintenance decision-making. It is necessary to develop a new indoor simulation test device for pavement anti-skid performance in combination with actual needs, and to study reasonable and reliable accelerated polishing. method, improve the efficiency of anti-skid performance testing and the accuracy of test results, improve the scientific, efficient and effective simulation and evaluation of long-term anti-skid performance decay of pavement materials, and better serve pavement design and performance evaluation.

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