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Intelligent detection and evaluation process for roadbed diseases

A technology for intelligent detection and road damage, applied in basic structure engineering, on-site foundation soil survey, construction, etc., can solve problems such as complex mechanical properties of rock and soil media, intelligent detection technology, design, manufacturing difficulties, strong discreteness, etc.

Inactive Publication Date: 2021-04-23
JIANGSU AOXIN SCI & TECH
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The mechanical properties of rock and soil media are complex and discrete, and the independent research and development of intelligent detection and reinforcement equipment encounters many difficulties in technology, design, and manufacturing.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The process of intelligent detection and evaluation of roadbed diseases is carried out according to the following steps:

[0019] 1) Research on the correlation between the apparent characteristics of road diseases and their deep distribution:

[0020] Select typical water damage sites, such as pavement cracks, measure the planar distribution size and surface deflection of the disease, and describe the planar characteristics of the disease;

[0021] Pit exploration explores the geometric shape of the spatial distribution of diseases and the scope of influence, and the plane size of the exploration pit is determined according to the size of the disease;

[0022] 2) Moisture content measurement points, only sampling to test the moisture content of the soil; comprehensive measurement points, first take undisturbed soil samples, conduct CT scans, and compare and study the mesoscopic appearance of the subgrade at the center, edge, and non-damaged areas of water damage diffe...

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Abstract

The invention relates to an intelligent detection and evaluation process for roadbed diseases. According to the intelligent detection and evaluation process, roadbed disease comprehensive characterization indexes and an intelligent detection and evaluation technology are studied; in combination with a bearing mechanism of a road structure system, reasonable deformation and strength indexes are selected, scale weights of indexes of an index layer are determined through dimensionalization processing and a product scaling method; and weights of indexes of a criterion layer are determined through a fuzzy theory according to the weights of the indexes of the index layer and sample data, so that automatic evaluation of the roadbed and pavement disease degree is achieved.

Description

technical field [0001] The invention relates to an intelligent detection and evaluation process of roadbed diseases, belonging to the technical field of road detection. Background technique [0002] As of the end of 2018, the total mileage of national highways is 4.8465 million kilometers, and the maintenance mileage is 4.7578 million kilometers. The road network density is close to that of developed countries such as the United States and Japan. Highway traffic will soon be transformed from large construction to large maintenance. Although my country's highway construction has developed rapidly, it is nearly half a century behind developed countries in Europe and the United States. Except for toll roads, most road maintenance machinery cannot keep up, and some are still in the manual-dominated stage. In recent years, with the development of my country's expressways and the continuous deepening of reform and opening up, the level of large-scale road maintenance equipment is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D1/00E02D1/04
CPCE02D1/00E02D1/04
Inventor 吴骏吴哲张垚耿大新袁勇刘正明韩立志陈军罗天洪赵永利
Owner JIANGSU AOXIN SCI & TECH
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