内容简介
DB13(J)/T 292-2019备案号∶ J14693-2019
大体积混凝土跳仓法应用技术规程
Technical specification for application of hopping method in mass concrete structures
2019-05-01 实施
2019-01-24 发布
目次
1 总则·································································· 1
2 术语和符号························································· 2
2.1 术语·····························································2
2.2 符号·····························································3
3 基本规定···························································· 7
4 结构设计···························································· 9
4.1 一般规定························································9
4.2 计算要求························································9
4.3 基础底板······················································ 10
4.4 地下室外墙··················································· 12
5 原材料、配比、制备与运输···································18
5.1 一般规定······················································ 18
5.2 原材料...........................................................................18
5.3 配合比设计....................................................................19
5.4 制备与运输··················································· 20
6 混凝土施工························································22
6.1 一般规定······················································ 22
6.2 施工准备······················································ 24
6.3 模板工程······················································ 25
6.4 钢筋工程······················································ 26
6.5 混凝土浇筑··················································· 26
6.6 混凝土养护··················································· 28
6.7 温控措施······················································ 28
6.8 特殊气候条件下的施工······································ 31
7 检测与验收························································33
7.1 一般规定······················································ 33
7.2 变形与应力检测·············································· 33
7.3 验收··························································· 37
附录 A 温度应力和收缩应力的计算··························· 40
附录 B 跳仓仓格长度计算······································· 52
本规程用词说明······················································ 54
引用标准名录························································· 55
条文说明······························································· 57