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【问】《混凝土结构工程施工及验收规范》规定:在已浇筑的混凝土强度未达到1.2兆帕以前,不得在其上踩踏或安装模板及支架。为满足这一要求,确保混凝土工程质量,在施工过程中应该怎样测定混凝土强度是不是达到
[Q] The “Specifications for Construction and Acceptance of Concrete Structures” stipulates that no stamping or installing of formwork and brackets shall be allowed on poured concrete before its strength has reached 1.2 MPa. To meet this requirement, to ensure the quality of concrete works, how to measure the strength of concrete in the construction process is not reached