Chapter
Apr 26, 2012
Evaluation and Measurement of Exposed-Aggregate Cement Concrete Pavement Surface Texture Depth with Digital Image Technique
Authors: Min Qin [email protected], Naixing Liang [email protected], Zhaofeng Lu [email protected], and Yuanwen Cao [email protected]Author Affiliations
Publication: International Conference on Transportation Engineering 2009
Abstract
In order to study the surface characteristics of exposed-aggregate cement concrete pavement, the measurement mechanism of surface texture depth was analyzed by using digital image technique. Based on the principle of least square and Table curve 3D software, two-dimensional digital image of road surface was reconstructed into three-dimensional space surface and a method of evaluating and measuring pavement surface texture depth was put forward. With this method, digital image samples were calculated and the results were compared with the results of conventional measurement method. The results indicate that exposed-aggregate cement concrete pavement has excellent road characteristics; there is a good correlation between the digital image technique and the traditional sand patch method and the relative error is less than 7 percent. Thus, the digital image technique is feasible in evaluating and measuring pavement surface texture depth.
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© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Aggregates
- Analysis (by type)
- Computer programming
- Computer software
- Computing in civil engineering
- Concrete pavements
- Curvature
- Engineering fundamentals
- Geometry
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Least squares method
- Materials characterization
- Materials engineering
- Mathematics
- Pavements
- Regression analysis
- Statistical analysis (by type)
- Transportation engineering
Authors
Affiliations
School Of Civil Engineering & Architecture, Chongqing Jiaotong Univ. Chongqing 400074, P.R. China. E-mail: [email protected]
School Of Civil Engineering & Architecture, Chongqing Jiaotong Univ. Chongqing 400074, P.R. China. E-mail: [email protected]
School Of Mechatronics And Automotive Engineering, Chongqing Jiaotong Univ, Chongqing 400074, P.R. China. E-mail: [email protected]
School Of Mechatronics And Automotive Engineering, Chongqing Jiaotong Univ, Chongqing 400074, P.R. China. E-mail: [email protected]
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