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Asphalt pavement compaction real-time monitoring method based on intelligent particles

A technology of asphalt pavement and granules, which is applied in the field of real-time monitoring of asphalt pavement compaction based on intelligent granules, can solve the problems of poor synergy of asphalt mixture, complex installation process of fiber optic grating sensors, and single measurement value, so as to improve accuracy and relatively Good compatibility and easy installation

Pending Publication Date: 2021-10-22
南京仕达得尔智能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fiber grating sensor has problems such as complicated installation process, poor coordination with asphalt mixture, and single measurement value.

Method used

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  • Asphalt pavement compaction real-time monitoring method based on intelligent particles
  • Asphalt pavement compaction real-time monitoring method based on intelligent particles
  • Asphalt pavement compaction real-time monitoring method based on intelligent particles

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Embodiment Construction

[0031] Such as figure 1 As shown, the present invention provides a real-time monitoring method for asphalt pavement compaction based on smart particles, and proposes a calibration, embedding and monitoring method for smart particles in on-site pavement compaction. Further, by extracting the typical motion response form of particles, analysis The response mode of particles under different compaction machinery reflects the compaction mechanism from the inside of the material, and analyzes and judges the compaction state of the material according to the change rule of the particle response characteristic value during the compaction process, providing real-time information for compaction monitoring. sex guide.

[0032] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] In this example, the compaction of the asphalt pavement surface layer is monitored by intelligent particle technology. The surf...

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Abstract

The invention discloses an asphalt pavement compaction real-time monitoring method based on intelligent particles. The method comprises the following steps of: (1) installing intelligent particles; (2) filtering acceleration time domain signals of the intelligent particles; (3) drawing a change curve of acceleration and rotation angle data along with time in the sensing data of the intelligent particles, and combining the change curve with rolling data of a compaction machine to obtain particle motion response modes corresponding to different actions of the compaction machine; (4) extracting a maximum acceleration response value under each compaction action, and an overall angle change value and a relative angle change value under each action of the compaction machine; and (5) conducting analysis according to the change rule of the motion response characteristics of the intelligent particles obtained in the step 4, thus realizing real-time monitoring of the compaction state of the pavement. The installation process is simple, the operability is high, the size of the sensor is similar to that of coarse aggregate, the integrity of the asphalt mixture is not damaged, and the compatibility with the asphalt mixture is good.

Description

technical field [0001] The invention belongs to the technical field of road engineering, and in particular relates to a real-time monitoring method for asphalt pavement compaction based on intelligent particles. Background technique [0002] The compaction of asphalt mixture is one of the key steps in road construction. Compaction directly determines the porosity and pore distribution of the mixture, the uniformity of the material, the smoothness of the road surface and other properties, and ultimately affects the bearing capacity and durability of the road, and has a direct relationship with the early damage of the road surface such as rutting and water damage. Therefore, effective pavement construction compaction quality control is of great significance to ensure the performance of pavement and improve the service life of pavement. [0003] The compaction quality of subgrade and pavement is one of the most important internal indicators of road construction quality managem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/00G01N15/00G08C17/02
CPCG01N9/00G01N15/00G08C17/02
Inventor 王雪刘建锋王天强沈士蕙黄海曾昆秦华李冰烨时兰鹤赵文明施江杰
Owner 南京仕达得尔智能科技有限公司
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