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Testing system and testing method applied to testing of high temperature deformation resistance of asphalt airport pavement

A technology of deformation performance and test system, applied in the direction of using stable torsion to test the strength of materials, and using stable tension/pressure to test the strength of materials, etc., can solve the problems of low load, inconsistent load action form, etc., to ensure safety effect of service

Active Publication Date: 2015-12-23
HARBIN INST OF TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the problem that the existing evaluation method of airport asphalt pavement resistance to high temperature and permanent deformation relies on the evaluation method of road engineering asphalt mixture anti-rutting performance, resulting in low load, single wheel load and load action form in the airport asphalt pavement material test. Based on the actual conditions, a test system and method for testing the high temperature deformation resistance of airport asphalt pavement is proposed

Method used

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  • Testing system and testing method applied to testing of high temperature deformation resistance of asphalt airport pavement
  • Testing system and testing method applied to testing of high temperature deformation resistance of asphalt airport pavement
  • Testing system and testing method applied to testing of high temperature deformation resistance of asphalt airport pavement

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specific Embodiment approach 1

[0023] Specific implementation mode one: combine Figure 1 to Figure 4Describe this embodiment, a test system for testing airport asphalt pavement resistance to high temperature deformation performance described in this embodiment includes a motor 1, a motor support base 2, a main shaft 3, a plurality of guide columns 4, an upper fixing plate 5, Lower fixed plate 7, rubber wheel support plate 8, material tray 9, supporting plate 10, hydraulic cylinder 11, pressure sensor 12, rubber wheel 15, multiple support wheels 17, upper bearing seat 20, lower bearing seat 21, rubber wheel plate The connecting sleeve 22 and the base plate 23, the upper fixing plate 5, the lower fixing plate 7, the supporting plate 10, and the base plate 23 are arranged in parallel from top to bottom, and a plurality of guide posts 4 are evenly distributed, and each guide post 4 is arranged from top to bottom. The bottom passes through the upper fixing plate 5, the lower fixing plate 7, the supporting plate...

specific Embodiment approach 2

[0026] Specific implementation mode two: combination Figure 1 to Figure 4 To illustrate this embodiment, the upper end of each guide post 4 of a test system for testing the high temperature deformation resistance of airport asphalt pavement described in this embodiment is provided with a fixed nut 19, and each fixed nut 19 is located at On the top of the fixed plate 5. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0027] Specific implementation mode three: combination Figure 1 to Figure 4 Describe this embodiment, the upper part of each guide column 4 of the test system for testing the high temperature deformation resistance of airport asphalt pavement described in this embodiment is equipped with a coarse spacer 6, and each coarse spacer 6 They are all located between the upper fixing plate 5 and the lower fixing plate 7 , and a plurality of fine spacers 18 are also arranged between the upper fixing plate 5 and the lower fixing plate 7 . Other components and connections are the same as those in the first embodiment.

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Abstract

The invention relates to a testing system and a testing method, in particular to a testing system and a testing method applied to a testing of the high temperature deformation resistance of an asphalt airport pavement; the invention aims at solving the problem that an asphalt airport pavement material testing is conducted under the conditions of low load and single-wheel load and the condition that a load action form does not meet the practical situation due to the fact that an existing method of evaluating the high temperature permanent deformation resistance of the asphalt airport pavement depends on a method of evaluating the rutting resistance of a highway engineering bituminous mixture. The testing system disclosed by the invention comprises a motor, a motor supporting seat, a main shaft, a plurality of guide pillars, a top fixed plate, a bottom fixed plate, a rubber wheel supporting disk, a charging tray, a supporting plate, a hydraulic cylinder, a pressure sensor, rubber wheels, a plurality of supporting wheels, an upper bearing block, a lower bearing block, a rubber wheel disk connecting sleeve and a bottom plate; the top fixed plate, the bottom fixed plate, the supporting plate and the bottom plate are arranged in parallel from top to bottom in sequence; the guide pillars are evenly distributed. The testing system and the testing method disclosed by the invention are used for the field of road and bridge construction.

Description

technical field [0001] The invention relates to a test system and method, in particular to a test system and method for testing the anti-high temperature deformation performance of airport asphalt pavement, belonging to the field of road and bridge construction. Background technique [0002] The occurrence of wheel tracks on the airport pavement directly affects the safe operation of the airport. In 2011, there were many safety accidents at the Capital International Airport that caused the aircraft to be trapped on the runway due to the high temperature deformation of the airport pavement. Major hidden dangers have also caused adverse social impacts. The appearance of wheel ruts greatly increases the possibility of damage to aircraft tires, turbine engines and airframes, and also increases the probability of aircraft deviating from the track when taxiing. Studies have shown that water accumulation in the wheel ruts in rainy days can lead to insufficient skid resistance of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/18G01N3/22
Inventor 谭忆秋徐慧宁王海朋邵显智陈凤晨孟定宇符永康谭坦孙志棋
Owner HARBIN INST OF TECH
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