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骑着蜗牛 发表于 2019-11-12 10:28:02

求astm c1581-04 Standard Test Method for Determining Age at Cracking and Induce

求助astm c1581-04 Standard Test Method for Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete Under Restrained Shrinkage .已有2009版本的，需要2004版本的。

奔跑的虾米 发表于 2019-11-12 10:28:03

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=227960&extra=

思秦慕衫 发表于 2019-11-15 09:12:33

新人来学习的，哈哈哈

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