论文部分内容阅读
混凝土施工缝留置时间,《钢筋混凝土工程施工及验收规范(GBJ204-83)》(以下简称规范)第4·4·12条规定,浇筑混凝土应连续进行。如必须间歇,其间歇时间应尽最缩短,並应在前层混凝土凝结之前,将次层混凝土浇筑完毕。间歇的最长时间应按所用水泥品种及混凝土凝结条件确定,混凝土的凝结时间,不得超过表4·4·12(本文表1)的规定。
Concrete construction joint retention time, “Construction and acceptance of reinforced concrete engineering (GBJ204-83)” (hereinafter referred to as the specification) Article 4.12 regulations, the pouring of concrete should be carried out continuously. If it must be intermittent, the rest time should be the shortest, and the concrete of the sub-layer should be poured before the concrete of the front layer is condensed. The maximum time of the batch shall be determined according to the type of cement used and the concrete condensation conditions. The setting time of the concrete shall not exceed the requirements of Table 4.12 (Table 1 of this Article).