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近几年,在全国各地已建成及正在兴建的大量污水处理厂中,部分反应池伸缩缝的施工不符合质量要求,出现严重漏水事故,造成工期拖延,浪费了大量的人力、物力,其主要原因是伸缩缝的止水带材料不合格以及施工质量不符合规定。1.止水带失效的主要原因(1)使用不合格止水带。有些施工单位片面追求经济效益,采购便宜的止水带产品;有些施工管理人员错误地认为
In recent years, in a large number of sewage treatment plants built and under construction all over the country, the construction of some reaction cell expansion joints did not meet the quality requirements, causing serious water leakage accidents, causing delays in construction and wasting a lot of manpower and material resources. The reason is the expansion joints of the water stop material failure and construction quality does not meet the requirements. 1. The main reason for the failure of the water stop (1) The use of unqualified water stop. Some construction units unilaterally pursue economic benefits and purchase cheap waterstop products; some construction managers mistakenly think