新版混凝土配合比设计规程应用中的若干要点

Several Points on Application for New Edition Mix Proportion Design Rules of Concrete

对新版JGJ 55—2011《普通混凝土配合比设计规程》中的一些重要的修订内容进行了阐述,并提出了在配合比设计过程中应考虑和控制的要点。对于单位体积混凝土中胶凝材料用量最大限量、矿物掺合料的掺入比例以及大体积混凝土的防裂问题提出了自己的观点。

Some important revision contents of the new edition JGJ 55-2011 《Specification for mix proportion design of ordinary concrete》are discussed, and control points during the mix proportion design are put forward. Meanwhile, some views about the maximum contents of cementitious materials for per volume of concrete, ratio of mineral admixture and cracking problem of mass concrete are presented.