目次
1总则 2术语和符号 2.1术语 2.2符号2 3基本规定 4原材料 4.1水泥 4.2矿物掺合料4 4.3轻骨料 4.4细骨料 4.5拌合用水 4.6外加剂 混凝土拌合物性能 配合比设计 6.1一般规定(8) 6.2配合比计算(8) 6.3配合比试配、调整与确定(6) 7制备与运输(10) 7.1一般规定(10) 7.2原材料进场(10) 7.3轻骨料预湿(11) 7.4制备(11) 7.5运输(12) 8泵送与浇筑(13)
8.1一般规定(13) 8.2泵送(13) 8.3浇筑与养护(14) 9质量检验与验收(16) 9.1原材料质量检验(16) 9.2混凝土性能检验与验收(16) 附录A轻骨料压力吸水率试验方法(18) 附录B轻骨料混凝土分层度试验方法(20) 用词说明(22) 引用标准名录(23) 附:条文说明(25)
Contents
General provisions(1) 2Terms and symbols(2) 2.1 Terms(2) 2.2 Symbols(2) 3Basic requirements(3) 4Raw materials(4) 4.1Cement(4) 4.2Mineral admixtures(4) 4.3Lightweight aggregate(4) 4.4Fine aggregate(5) 4.5Mixing water(5) 4.6Chemical admixtures(6) 5Mixture properties of concrete(7) 6Mix design(8) 6.1General requirements(8) 6.2Mix proportion calculation(8) 6.3Trial mixing,adjustment and determination of mix proportion(9) 7Production and transportation(10) 7.1General requirements(10) 7.2Raw materials mobilization and storage(10) 7.3Lightweight aggregate prewetting(11) 7.4Production(11) 7.5Transportation(12)
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8Pumping and casting(13) 8.1 General requirements(13) 8.2Pumping(13) 8.3Casting and curing(14) 9Quality inspection and acceptance(16) 9. 1 Quality inspection of raw materials ..(16) 9.2 Inspection and acceptance of concrete performance+......(16) Appendix A Testing methods for pressure water absorption oflightweight aggregate(18) AppendixB3Testing methodsfor stratification of lightweight aggregate concrete(20) Explanation of wording(22) List of quoted standards(23) Addition:Explanation of provisions(25)
1总则
1.0.1为规范轻骨料混凝土在超高泵送施工中的应用,确保工程 质量,做到技术先进、安全可靠、经济合理,制定本规程。
1.0.2本规程适用于单次泵送高度超过100m、强度等级LC30 及以上的轻骨料混凝土,包括原材料、混凝土拌合物性能、配合比 设计、制备与运输、泵送与浇筑、质量检验与验收。
1.0.3超高泵送轻骨料混凝土的应用除应符合本规程规定外,尚 应符合国家现行有关标准和现行中国工程建设标准化协会有关标 准的规定。
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