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房建施工中经常会遇到在地下室顶板上设置施工临时通道的情况,由于在建筑混凝土结构施工期间往往已经开始砌体结构的施工,而这时地下室顶板的沉降、温度后浇带均没有达到可以浇筑的条件,地下室顶板的土方也就无法及时回填,这时就需要对顶板进行局部土方回填,回填后再在回填土上设置施工临时通道,回填土的厚土、车道的设置、下部顶撑就需要进行计算,最优的回填土厚度、顶撑的数量等现行规范均没有这方面的详细说明,结合施工经验总结出一种简洁的计算方法,快速有效的解决上述问题,在实际运用中也取得了良好的效果。
Housing construction often encountered in the basement roof set temporary access to the construction of the situation, due to the construction of concrete structures often have begun construction of masonry structures, and when the basement roof settlement, post-temperature pouring zone did not reach Under the condition of pouring, the earthwork in the basement roof can not be backfilled in time. In this case, local earthwork backfilling is required on the top plate. After backfilling, temporary earthing roads, backfill thick soil, lane setting, Need to be calculated, the optimal thickness of the backfill, the number of support and other current norms are not detailed in this regard, combined with construction experience summed up a concise method of calculation, rapid and effective solution to the above problems, the actual use In the also achieved good results.