问题 判断题

EDTA滴定法主要用来在工地快速测定水泥和石灰稳定材料中水泥和石灰的剂量,但不可以用来测定水泥和石灰综合稳定材料中结合料的剂量。( )

答案

参考答案:

解析: 《公路工程无机结合料稳定材料试验规程》(JTG E51—2009)P14:
适用范围
1.本方法适用于在工地快速测定水泥和石灰稳定材料中水泥和石灰的剂量,并可用于检查现场拌和和摊铺的均匀性。
2.本办法适用于在水泥终凝之前的水泥含量测定,现场土样的石灰剂量应在路拌后尽快测试,否则需要用相应龄期的EDTA二钠标准溶液消耗量的标准曲线确定。
3.本方法也可以用来测定水泥和石灰综合稳定材料中结合料的剂量。

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