1.Asphalt Batching Plant Manufacturer, Asphalt Batching Plants for Sale

In recent years, with the dramatic increase in urban road traffic and car deadweight, the destruction of the pavement structure are increasing, more and more of the old cement concrete pavement with varying degrees of disease in urgent need of reinforcement processing. City size and population continues to expand, the level and function of the original planning of the road a lot of big changes, many of the old pavement can not meet the needs of the urban development and, therefore, an urgent need for a complete overhaul of the old concrete pavement. In order to effectively utilize the existing cement concrete pavement, save construction investment, the use of asphalt concrete overlay reinforcement is effective measures to improve their performance.
The old cement concrete pavement, asphalt concrete overlay is a special kind of pavement structure, stress and strain with general elastic layered system. Due to the presence of rips, external force loads, asphalt concrete overlay in a complex three-dimensional stress state. Vehicles after continuous plate, asphalt concrete overlay the cracks on both sides of the adjacent Forum vertical displacement shear stress, this shear stress is the main reason for reflective cracking asphalt concrete overlay . In addition, because the road surface is exposed to the atmosphere, and the impact of various external conditions change, asphalt concrete overlay and old cement concrete pavement will shrink inflation, and temperature stress difference appears reflective cracking.

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