欢迎来到天天文库
浏览记录
ID:46264480
大小:919.58 KB
页数:25页
时间:2019-11-22
《GB/T 14684-2001 建筑用砂》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ICS91.100.15Q13署8中华人民共和国国家标准cB/T14684一2001建筑用砂Sandforbuilding2001一07一13发布2002一02一01实施中华人民共和匡国家质量监督检验检疫总局GB/T14684-2001目次前言····“···“····“··········”················································“·“·············“·“·“·“·”·“·⋯I1范围·············································
2、·······························““··,.···“·····‘“,········⋯⋯12引用标准···“·········“····”·····“·”···”·····”·”························。···········“··········,.······⋯⋯13定义·····················“···“·····“······”··········”·”····”········”··········”······················⋯⋯14分类与规格
3、·“·················································“········“·······“··‘···············”*.··“:25技术要求··············································“······”··············”···”······················⋯⋯26试验方法···························“······““········”“····“···················
4、······”····”“··········⋯⋯47检验规则···············“····”·····”····”·”·································································“⋯188标志、储存和运输······················”····,.···········“·········“”·“·”··········,·········⋯⋯19附录A(标准的附录)集料碱活性检验(岩相法)”·····“···············”····”
5、··········”··········⋯⋯20附录B(提示的附录)吸水率的测定···“··········“·”····”····”··”····················..·..·..··......⋯⋯21附录C(提示的附录)含水率及以吸水率为基准的饱和面干状态的表面含水率的测定··”··⋯⋯22GB/'r14684-2001前言根据砂资源的变化及建筑用砂技术发展,本标准是在总结GB/T14684-1993《建筑用砂》基础上修订的。修订时,参考了ISO、欧洲及美、英、日等国的有关标准,使标准技术指标、试验方法既符合国情又便于
6、国际交流。·本标准与GB/T14684-1993相比主要修改点有:1.增加了人工砂,天然砂去除了特细砂品种与产品等级的划分;2.砂筛的筛孔采用了国际标准ISO6274:1982(混凝土集料的筛分》的相关规定;3.增加了人工砂的技术要求,修改了天然砂含泥量、泥块含量、轻物质、氯化物、松散堆积密度等部分技术要求;4.增设了人工砂、轻物质与碱集料快速反应的试验方法,完善了试验方法中的一些要求。本标准自2002年2月1日起实施,自实施之日起代替GB/T14684-19930根据工程需要,如测定砂的吸水率与饱和面干的表面含水率可按附录B、附录C进行。
7、本标准的附录A是标准的附录。附录B和附录G是提示的附录。本标准由国家建筑材料工业局提出。本标准负责起草单位:中国砂石协会。本标准参加起草单位:北京市建材行业管理办公室、北京建筑工程学院、北京市建筑材料质量监督检验站、诺德伯格北京办事处、北京三联混凝土有限公司、上海市建筑材料及构件质量监督检验站、上海建设路桥机械设备有限公司、天津西斯尔混凝土公司蓟县石矿、浙江宁波市地方建筑材料管理处、浙江湖洲市新开元碎石有限公司(上海市建筑工程材料公司)、浙江杭州市樟山石矿、广东广州嘉华(黄酸)石矿、惠记集团鸿利石场、福建中国标准砂厂、河南商丘市人工砂研究会
8、、贵州中建建筑科研设计院。本标准主要起草人:陈家珑、杨永起、乔继科、张国民、姚利君、丘勤、母树春、刘伟超。本标准1993年首次发布。本标准委托中国砂石协会负责解释。中华人民共和国
此文档下载收益归作者所有