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前言以往我省钢筋混凝土危桥的补修工作,多半是采用重修的办法,结果是工期长,设备材料数量大,资金多,尤其在地形条件复杂与运输繁忙的干线上,常常会造成更大的困难。因此,寻求简易可行的补修办法,是一个急待解决的课题。玻璃钢补修钢筋混凝土断缝的方法,在外省虽有应用,但在我省尚无先例。特别是在气侯严寒地区进行这项试验与研究工作,确实是一次具有实际意义的尝试。
Foreword In the past, the repair work of the reinforced concrete bridge in our province was mostly done by means of rebuilding. The result was a long construction period, a large quantity of equipment materials and a large amount of funds. This was especially the case when the terrain was complicated and the transportation was heavy. Difficulties. Therefore, finding a simple and feasible remedial measure is an urgent issue to be solved. FRP repair reinforced concrete broken seam method, although applied in other provinces, but no precedent in our province. In particular, it is really a practical experiment to carry out this experiment and research in a cold climate.