天气预报 > 技术 > 垫石强度到多少后可以架梁
垫石强度到多少后可以架梁
更新时间: 2020-05-31 00:00:00  

1、垫石达到80%的强度可以架梁。

2、如果有早强剂的话,混凝土3天即可达到80%的强度。

3、所以在道路快速维修中,采用高标号混凝土,加早强剂,可以提早开放交通。

关键词: 强度 多少 可以

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