Job Recruitment Website - Zhaopincom - According to the latest code, it is required that there are three or six mortar specimens in a group of impervious concrete specimens.
According to the latest code, it is required that there are three or six mortar specimens in a group of impervious concrete specimens.
Concrete compressive specimens: 3 in a group. According to the standard GB T 5008 1-2002 "Standard for Test Methods of Mechanical Properties of Ordinary Concrete".
Impervious specimens: 6 in a group. According to the standard GB T 50080-2002 "Standard for Performance Test Methods of Ordinary Concrete Mixtures".
Mortar time: 3 sets. According to the standard "JGJ 70-2009 Test Method for Basic Performance of Building Mortar"
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