Method for testing rutting-resistant performance of mixture in bituminous pavement

Abstract

The invention discloses a method for testing the rutting-resistant performance of a mixture in a bituminous pavement. In the method, on the basis of two cylinder test pieces drilled from the pavement, the cylinder test pieces are spliced by measures of cutting, bonding and the like; a hamburg rutting test is performed on the spliced test piece; and the rutting-resistant performance of the bituminous pavement is evaluated according to a relational curve between a rutting depth and a load working frequency. By the method, the shortcoming that a rutting plate is drilled from the bituminous pavement on the site is overcome, so the operation is convenient, the rutting-resistant performance of the bituminous pavement under the condition of a vehicle load can be evaluated accurately, a development rule of the rutting on the pavement can be forecast, and a significance is provided for reducing the detection cost and the maintenance cost of the pavement.

Description

Technical field [0001] The invention belongs to the technical field of application of asphalt pavement performance testing and evaluation, and specifically relates to a testing method for the anti-rutting performance of a mixture in an asphalt pavement. Background technique [0002] Rutting is one of the main diseases of asphalt pavement. It affects the flatness of the road surface and reduces the quality of the road surface. If the rut accumulates too fast, it will directly affect the service life of the road surface. In order to prolong the service life of asphalt pavement and improve the quality of pavement use, reasonable evaluation and estimation of the anti-rutting ability of the built asphalt pavement, and adopting corresponding technical measures for necessary disposal are the technical means usually adopted by road workers. On the one hand, it can obtain the development law of asphalt pavement rutting through analysis, and on the other hand, it can also provide decision-...

AI Technical Summary

Problems solved by technology

However, with the continuous deepening of people's research, the disadvantages of the above-mentioned traditional test methods have gradually emerged, mainly in the following: the larger-sized asphalt mixture test panels are generally under the condition of low temperature, and the use of forklifts, etc. The large-scale machinery for road construction is obtained, and the mixture structure in the test panel is subjected to different degrees of deflection during the process of acquisition and transportation, so that the anti-rutting performance of the small beam specimens cut in the test panel cannot truly reflect the asphalt Real road performance

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