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Retrieve summarize the existing concrete crack repair material based on full investigation and analysis of the status of concrete pavement cracks , Crack and development process , developed a polymer modified road performance , construction is convenient ultrafine cement pavement crack repair materials ; comprehensive and systematic study crack repair material performance , condensation , mechanical properties , and bonding properties , durability , shrinkage ; raised Determination of the viscosity of the crack repair material and crack repair material irrigation test methods and evaluation . Simulated road the concrete cracks interface situation , design a crack repair material bond strength test method test mold and evaluation ; study ultrafine polymer modified cement patching material microstructure , reveals its modification mechanism ; and through on-site repair test and economic performance analysis , concrete pavement crack repair material recommended under the study conditions .
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