水泥稳定土和水泥稳定碎石是怎么选择啊,是根据稳定层下面的材料来确定还是根据强度要求来确定哦

2025-04-03 00:12:31
推荐回答(2个)
回答1:

用普通硅酸盐水泥、矿渣硅酸盐水泥和火山灰水泥都可以,用高标号水泥虽然强度高,但是干缩性性强,会导致拉裂路面结构层,用终凝时间长石因为在施工中量比较大,如果时间太短,水稳层很快成型,很快凝固了不利于施工的进行,一般选6小时以上的

回答2:

这是两个不同的概念,水泥稳定土和灰土相似是在粘土中添加部分比例的水泥,压实板结后作为结构层。水泥稳定碎石是水泥、石子、粉煤灰沙子等按一定比例加水搅拌成干硬混凝土然后压实养护形成一定强度的结构层。 这两种做法的选择要根据要求的承载力要求及当地取材的难易及经济效益决定。

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