The Interface Bonding Performance Experiment Analysis of Slag Base Cement Concrete Pavement Repair Material

2013 ◽  
Vol 723 ◽  
pp. 761-766
Author(s):  
Ming Li ◽  
Xi Lan Zhi ◽  
Ai Ling Yao ◽  
Rui Jia
Keyword(s):  
Test Performance ◽  
Concrete Pavement ◽  
Additional Stress ◽  
Repair Material ◽  
Interface Bonding ◽  
Cement Concrete ◽  
Bonding Performance ◽  
Performance Requirements ◽  
Cement Concrete Pavement ◽  
New Type

Due to the effect of various additional stress,cement concrete pavement repair material and the original road interface been damaged,which cause pavement breakdown. In order to solve this problem,this paper analyzing the reason of new and old concrete interface weakness and the require of interface bonding performance,the flexural bonding experiment method is used to test performance,and to verify slag base as a new type of repair material,which matched with cement paste contains expansion agent as an interface boning agent.Results shows that this new repair material can satisfy the interface bonding performance requirements very well.

Skid-Resistance and Noise-Reducing Characteristics of Exposed-Aggregate Cement Concrete Pavement

2014 ◽  
Vol 1052 ◽  
pp. 352-357 ◽  
Author(s):  
Jiu Peng Zhang ◽  
Guo Qiang Liu ◽  
Peng Zhi Wang
Keyword(s):  
Traffic Noise ◽  
Concrete Pavement ◽  
Skid Resistance ◽  
Cement Concrete ◽  
Pavement Surface ◽  
Index Variation ◽  
Cement Concrete Pavement ◽  
New Type ◽  
The Relationship ◽  
Resistance Value

EACCP is a new-type cement concrete pavement with better skid-resistance and less traffic noise. In this paper, skid-resistance and noise-reducing performance of EACCP are tested and analyzed by laboratory and outdoor tests. The results indicate that the relationship between BPN and EAD is followed the parabola variation laws. With the increase of EAD, TD decreases. And skid-resistance value exists the extremum. If BPN is targeted as skid-resistance optimization goal for pavement surface features, the optimized EAD is existed and approximately to 40~60. The relationship between BPN and TD is also followed the parabola variation laws which also suggests the existence of the optimized TD scope approximately to 0.8~1.0mm.The relationship between TD and EAD can be simulated by index variation laws. With the increase of EAD, TD decreases, which proves the evident noise-reducing performance of EACCP. And the reduction amplitude of noise increases with vehicular acceleration.

Study on the Practicability of PVA Porous Cement Concrete Pavement

2012 ◽  
Vol 450-451 ◽  
pp. 513-517
Author(s):  
Du La Man ◽  
Xiao Yu Hu
Keyword(s):  
Flexural Strength ◽  
Effective Porosity ◽  
Concrete Pavement ◽  
Cement Concrete ◽  
Porous Concrete ◽  
Concrete Aggregates ◽  
Bonding Performance ◽  
Cement Based Materials ◽  
Cement Concrete Pavement ◽  
Pva Fiber

In this study, Through the research of the porous concrete which have special structure,without sand and added PVA fibers form a fiber cement-based materials as the bonding materials of porous concrete. The results show that after mixed with quantitative PVA fibers, the bonding performance of the porous concrete aggregates can be enhanced, the flexural strength obviously improved, obtained the effective porosity and the best PVA fiber contents.

Stress Analysis of Cement Concrete Pavement under Overweight Loads

2012 ◽  
Vol 446-449 ◽  
pp. 949-953
Author(s):  
Ya Ni Lu ◽  
Tao Li Xiao
Keyword(s):  
Finite Element ◽  
Regression Analysis ◽  
Finite Element Model ◽  
Element Model ◽  
Concrete Pavement ◽  
The Other ◽  
Tension Stress ◽  
Statistical Regression ◽  
Cement Concrete ◽  
Cement Concrete Pavement

Special load has produced serious damage to the concrete pavement because of the great gross weight and heavy axle load, but the present specification has not mentioned this kind of load. On this occasion, Several conditions of critical load are identified through ANSYS finite element model analysis and the formula through statistical regression analysis to the bottom maximum tension stress is drawn up. Which can not only guide the concrete pavement design under the special load but also the result may be referred by the other kinds of engineering.

Study on Cement Concrete Pavement Treatment Methods of Common Damage Diseases

2014 ◽  
Vol 716-717 ◽  
pp. 307-309 ◽  
Author(s):  
Zhong Gen Liu ◽  
Fu Ming Xu ◽  
Guo Bin Cao
Keyword(s):  
Disease Prevention ◽  
Concrete Pavement ◽  
Jilin Province ◽  
Fracture Dislocation ◽  
Cement Concrete ◽  
Corner Crack ◽  
Treatment Methods ◽  
Pavement Maintenance ◽  
Freeze Thaw ◽  
Cement Concrete Pavement

This paper analyzed for common diseases treatment methods for cement pavement in Jilin province seasonal freeze-thaw area, based on the analyses, disease prevention and repair methods have been put forward for water deposit, fracture, dislocation, potholes, arch, plate corner crack and uneven settlement, the research results have certain reference meanings for cement pavement maintenance.

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