Abstract
Cement concrete pavement Road always damaged under the pressure of traffic, so fast repair technology of cement concrete pavement was an urgent need to be studied. The author introduced the new rapid repair technology of cement concrete pavement from the concrete materials, mixture design, and construction equipment.
Highlights
In the process of cement concrete pavement construction, it was found that road built in the 1990s and early 21st century were different degree of deformation, fracture and damage just after used 3~7 years with the increase of the traffic, but the lack of method of design, material selection, construction technology, construction quality supervision and control should take charge [1]
This paper presented the fast repair technology from two aspects, material and construction, introduced new technology at home and abroad, forecasted the development trend of the technology in future
The most used admixture were coagulating agent and early strength agent, which can speed up the strength of concrete in early age, 3.4 Mix proportion
Summary
In the process of cement concrete pavement construction, it was found that road built in the 1990s and early 21st century were different degree of deformation, fracture and damage just after used 3~7 years with the increase of the traffic, but the lack of method of design, material selection, construction technology, construction quality supervision and control should take charge [1]. Because road network traffic was like the blood vessel to economy, so close the traffic for a long time repair was unaccepted, pavement that need to repaired should be put into use in the shortest time. Fast repair technology of cement concrete pavement was an urgent need to be studied. This paper presented the fast repair technology from two aspects, material and construction, introduced new technology at home and abroad, forecasted the development trend of the technology in future
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