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jh型混凝土路面维修
混凝土路面道路工程
Accor ding to Office Party of mass li ne e ducation practi ce activitie s led gr oup of unified arrangeme nts, units main le d to for cadres w orkers Sha ng a times party lecture , due to him self level limited, only put this stage concentrated lear ning of experie nce today and everyone common with lear ning e xchange, pur pose is let we furt her deep understanding mass line of connotation, insi
混凝土路面断裂的原因及维修措施
混凝土路面断裂的原因及维修措施——砼面板的破坏主要是断裂和裂缝，面板由于所受内应力超过了砼的强度而出现纵向或横向以及板角的断裂和破碎．其原因是多方面，其中有设计、施工、养护管理、超限运输等。