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Wheel track tester

A technology of rutting test and test platform, which is applied to instruments, scientific instruments, and the use of repeated force/pulsation force to test the strength of materials, etc., and can solve problems such as error in rutting test results

Pending Publication Date: 2020-12-04
CHINA FIRST HIGHWAY ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a rutting tester to solve the technical problem of errors in the rutting test results in the prior art

Method used

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Embodiment Construction

[0042] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a wheel track tester, which relates to the technical field of pavement design, and comprises a frame, a test platform mounted on the rack, a translation device which comprises amoving table assembled on a reference polish rod in a sliding manner and the reference polish rod installed on the rack and located over the test platform, and a propelling device which is installedon the rack and used for propelling a test mold in a reciprocating mode in the direction perpendicular to the reference polish rod. According to the technical scheme, the rolling area of a test wheelcan be improved and divided into the main wheel track area and the secondary wheel track area, so that the wheel track generated when an actual road bears loads can be simulated more truly, the dynamic stability of the test mold close to the actual load action is obtained through rolling of different times in different areas, the dynamic stability of the test mold is improved, and the high-temperature performance of an asphalt mixture can be corrected and optimized according to the actual stress state of the pavement on the basis of meeting the standard requirements.

Description

technical field [0001] The invention relates to the technical field of pavement design, in particular to a rutting tester. Background technique [0002] The permanent deformation of asphalt pavement is mainly the unrecoverable deformation of each structural layer of asphalt pavement under the action of vehicle load, its own structure and the influence of the environment. The most direct manifestation is the formation of rutting on the pavement. Rutting refers to the strip-shaped grooves that appear on the road where the wheels pass through in the longitudinal direction of the road. The depth of the rut is related to the size of the repeated load, the number of actions, the action time (including the speed of the vehicle), and the material composition and material of each structural layer of the road. Various factors such as characteristics and ambient temperature conditions are related. With the formation of channelized traffic and the emergence of heavy-duty traffic, rutti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/34G01N3/02
CPCG01N3/34G01N3/02G01N2203/0005G01N2203/0019G01N2203/0037G01N2203/0258G01N2203/0676G01N2203/0226G01N2203/0682
Inventor 王玉果李伟郭庆洋刘茂
Owner CHINA FIRST HIGHWAY ENG
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