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【英文标准名称】: Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates (Chemical Method) 【原文标准名称】: 集料的潜在碱-硅石反应性的测定用标准试验方法(化学法) 【标准号】: ASTM C289-2007 【标准状态】: 现行 【国别】: 【发布日期】: 2007 【实施或试行日期】: 【发布单位】: 美国材料与试验协会(US-ASTM)【起草单位】: C09.26【标准类型】: (Test Method)【标准水平】: ()【中文主题词】: 集料;化学的;混凝土;建筑;施工材料;反应;测试【英文主题词】: aggregate reactivity; alkali; alkali-silica reactivity; concrete aggregates【摘要】: 1.1 This test method covers chemical determination of the potential reactivity of an aggregate with alkalies in portland-cement concrete as indicated by the amount of reaction during 24 h at 80 176 C between 1 N sodium hydroxide solution and aggregate that has been crushed and sieved to pass a 300-m sieve and be retained on a 150-m sieve.1.2 The values stated in SI units are to be regarded as standard.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific precautionary statement is given in 5.7.1.【中国标准分类号】: Q13【国际标准分类号】: 91_100_30【页数】: 7P.;A4【正文语种】:
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