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Digital compression concrete testing

thread177-434518

Digital compression concrete testing

Digital compression concrete testing

(OP)
Hi,
I am new to compression concrete testing. I am trying to preform a C- 109 digital compression test on a 8" x 8" (7.5" x 7.5") concrete cube used in the foundation repair industry. I have a Homboldt-5090.3F digital indicator, I need to know the preload rate and the preload limit I know the test rate is 35 psi per sec +/- 7 psi any help would be appreciated
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