Asphalt pavement performance testing and evaluating device

Abstract

The invention discloses an asphalt pavement performance testing and evaluating device. The device comprises a cover body; a screw rod which is coaxially arranged in the cover body, and the bottom of the screw rod is fixedly connected with a base; an inner barrel body, wherein the screw rod is coaxially sleeved with the inner barrel body; an outer cylinder body which is coaxially arranged outside the inner cylinder body in a sleeving manner; two sand containing barrels which are fixedly arranged on the two sides of the outer barrel respectively; two sand loading barrels, wherein one sand loading barrel is correspondingly provided with one sand guide pipe; two sand leakage pipes, wherein one sand leakage pipe is correspondingly provided with one sand uniformizing plate; and two sand homogenizing plates, wherein one sand homogenizing plate is correspondingly provided with one dust collection disc. According to the device, continuous operation of automatic pavement cleaning, automatic sandpaving and automatic pavement sand paving cleaning can be realized, manpower can be greatly saved, and the pavement performance test efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of road surface testing equipment. More specifically, the present invention relates to an asphalt pavement performance testing and evaluation device. Background technique [0002] With the development of the highway industry, road grades continue to improve, there are more and more vehicles on the road, and the speed of driving is getting faster and faster, which leads to a substantial increase in traffic volume and speed, and also makes road safety issues gradually prominent; for To improve road safety, it is necessary to strictly control the quality of the road surface. Accurate and reasonable evaluation of the performance of the road surface is of great significance for the evaluation of driving safety and the formulation of road-related schemes; among them, the anti-skid performance is a particularly important performance of the road surface. one. [0003] Structure depth is one of the indicators for j...

AI Technical Summary

Problems solved by technology

The manual sanding method is fixed-point measurement, easy to carry, and the result is intuitive. It is suitable for the test of the depth of the asphalt road and the surface of the cement concrete road, but it is greatly affected by human factors and the speed is slow.

In order to improve the test accuracy and test efficiency, machine sanding is usually used instead of manual sanding. Machine sanding mainly uses mechanical equipment to spread the sand poured on the ground evenly. Both of the above two sanding methods have the problem of uniform sand spreading. The performance is poor, and the fine sand on the road cannot be cleaned automatically, and manual cleaning is still required, which is time-consuming and laborious

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