A Test Apparatus and Method for Evaluating Scattering and Construction Depth of Drained Asphalt Pavement

A technology for constructing depth and draining asphalt, which is applied in the directions of measuring devices, strength characteristics, testing wear resistance, etc., and can solve problems that affect the durability of asphalt pavement, driving comfort, asphalt mixture particles flying, and road pits and grooves. Achieve the effect of small influence of human factors, simple equipment structure and strong applicability

Active Publication Date: 2021-05-04
ZHONGLU HI TECH (BEIJING) HIGHWAY TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the skeleton-void structure of the drainage asphalt pavement, the problems of pavement wear and asphalt mixture particle scattering are prone to occur under the load of the vehicle, and pavement pits and grooves occur, which affect the durability of the asphalt pavement and driving comfort.

Method used

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  • A Test Apparatus and Method for Evaluating Scattering and Construction Depth of Drained Asphalt Pavement
  • A Test Apparatus and Method for Evaluating Scattering and Construction Depth of Drained Asphalt Pavement
  • A Test Apparatus and Method for Evaluating Scattering and Construction Depth of Drained Asphalt Pavement

Examples

Experimental program
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Embodiment 1

[0032] see figure 1 and figure 2 , a test device for evaluating the spattering and construction depth of drainage asphalt pavement, including: a three-dimensional laser scanner 7, a fixed bracket and a notebook computer 1,

[0033] The fixed support is a four-legged support, and the carrying platform 4 is connected to the support by connecting rods 8. The three-dimensional laser scanner 7 is placed on the carrying platform; the three-dimensional laser scanner is connected to the notebook computer 1 through communication.

[0034] In this embodiment, the fixed bracket is supported by four extensible pipes 2, the extensible pipes are sleeve structures, the pipes are provided with bolts 3, the sleeves are stretched or retracted to change the length, the bolts 3 are Tighten it after adjusting the length. The top of the fixed bracket is provided with a rotary joint 6 for fixing the pipe. The rotary joint 6 is made of plastic material, and the tops of the four pipes are fixed to...

Embodiment 2

[0045] A test device for evaluating the spattering and construction depth of drained asphalt pavement, including: a three-dimensional laser scanner 7, a fixed bracket and a notebook computer 1.

[0046] The fixed bracket is a tripod-supported bracket, and the mounting platform 4 is connected to the bracket by connecting rods. The three-dimensional laser scanner 7 is placed on the loading platform; the three-dimensional laser scanner is connected to the notebook computer 1 through communication.

[0047] In this embodiment, the fixed bracket is supported by three extensible pipes 2, the extensible pipes are sleeve structure, the pipes are provided with bolts 3, the sleeves are stretched or retracted to change the length, the bolts 3 are adjusted Tighten and fix after a good length. The top of the fixed bracket is provided with a rotary joint 6 for fixing the pipe. The rotary joint 6 is made of metal, and the tops of the four pipes are fixed together by the rotary joint. The p...

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Abstract

The invention provides a test device for evaluating the scattering and structural depth of drainage asphalt pavement, comprising: a three-dimensional laser scanner, a fixed bracket and a computer, wherein the fixed bracket is a three-legged or four-legged support, and the middle of the fixed bracket is connected with a carrying device The three-dimensional laser scanner is placed on the carrying platform; the three-dimensional laser scanner is connected to the computer for communication; the present invention also provides a method for evaluating the scattering and structural depth of the drainage asphalt pavement. The detected point cloud data is processed and analyzed. The test device and method for evaluating the scattering and structure depth of drainage asphalt pavement provided by the invention have simple and portable equipment structure, simple test operation, accurate and reliable evaluation method, high degree of digitization, little influence by human factors, and strong applicability.

Description

technical field [0001] The invention belongs to the field of material testing, and in particular relates to a device and method for testing the performance of pavement materials. Background technique [0002] Drainage asphalt pavement is an open-graded asphalt mixture with a skeleton-void structure formed according to the principle of embedded extrusion. It has good drainage, noise reduction and anti-skid functions, and can reduce water mist and water drift in rainy days, and reduce road surface damage after rain. Reflective, improve the excellent performance of driving sight distance, and increase the safety and comfort of driving in rainy days. [0003] In view of the skeleton-void structure of the drainage asphalt pavement, the problems of pavement wear and asphalt mixture particles scattering are prone to occur under the load of the vehicle, and pavement potholes occur, which affect the durability of the asphalt pavement and driving comfort. The scattering loss of drain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/56G01N3/02G01N3/06
CPCG01N3/02G01N3/068G01N3/56G01N2203/0641G01N2203/0682
Inventor 曹东伟李明亮平树江雷俊彩雷洲
Owner ZHONGLU HI TECH (BEIJING) HIGHWAY TECHNOLOGY CO LTD
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