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山西省大同农行营业楼采用平板式筏板基础,长39.2m,宽17.9m,厚1.5m,为大体积混凝土基础,其混凝土强度等级为 C35。施工时我们从施工技术、组织管理上采取了一系列综合性措施,有效克服了大体积混凝土容易裂缝这一质量通病。以下介绍我们的经验。一、选料选用525号矿碴水泥(此种水泥水化热低,凝结时间长),且选用了 HZ-8缓凝型减
The business building of Datong Agricultural Bank of Shanxi Province is a flat-faced raft foundation with a length of 39.2m, a width of 17.9m and a thickness of 1.5m. It is a mass concrete foundation and its concrete strength grade is C35. During construction, we have taken a series of comprehensive measures from construction technology and organization management to effectively overcome the common problem of mass cracking of concrete. The following describes our experience. 1. No. 525 ore cement was selected as the material of choice (this type of cement has low hydration heat and long setting time), and HZ-8 retarding type is used