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通过对北京地区骨料的碱活性进行检验结果的分析 ,初步对北京地区几个主要产地的骨料碱活性给出了判断 ,对用ASTMC12 6 0快速砂浆棒法检验北京地区骨料适用性进行了分析 ,并对砂浆棒法检验时一些影响因素进行了探讨
Based on the test results of alkali activity in aggregate in Beijing area, the alkali activity of aggregates in several major producing areas in Beijing area was preliminarily evaluated. The applicability of ASTM C1260 rapid mortar bar method to test the aggregate properties in Beijing area Analyzed and discussed some influencing factors in mortar rod test