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现浇混凝土楼板天棚模板拼缝漏浆是目前常见的工程质量通病之一。通常采用胶合木模板作现浇混凝土楼板的模板,板缝粘贴双面胶带来达到处理模板漏浆的目的。但在浇筑混凝土时,混凝土浆沿着双面胶带渗入板缝内形成板缝漏浆。这种板缝漏浆造成楼板天棚表面平整度和观感质量不符合施工验收规范要求,必须进行处理。尤其是木模板周转多次后缺棱掉角,双面胶带和水泥浆不易清除干净,进一步加大了板缝宽度,造成板缝漏浆更加严重。为此,现就对现浇钢筋混凝土楼板(盖)的施工及导致开裂的原因、预防及处理措施提供几点意见。
Cast-in-place concrete floor ceiling template patchwork leakage is one of the common engineering quality common problems. Usually used as a template for cast-in-place concrete floor veneer, slab affixed double-sided adhesive tape to achieve the purpose of processing template leakage. However, in the pouring of concrete, concrete pulp along the double-sided adhesive tape into the plate seam leakage to form the seam. This suture caused by leakage of floor ceiling ceiling surface roughness and perception of quality does not meet the construction acceptance requirements, must be dealt with. In particular, after the turnaround of the wood formwork, it is difficult to remove the double-sided adhesive tape and grout, which further widens the width of the slats and increases the leakage of the slab joints. To this end, on the cast-in-place reinforced concrete floor (cover) construction and lead to the cause of cracking, prevention and treatment measures to provide some advice.