Traditionally, _______basic types of Portland cement have been produced.
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The two general ingredients in concrete are _______. Select…
The two general ingredients in concrete are _______. Select two.
Prolonged moist curing leads to lower concrete strength.
Prolonged moist curing leads to lower concrete strength.
Grade 40, 60, and 75 reinforcement have minimum ultimate ten…
Grade 40, 60, and 75 reinforcement have minimum ultimate tensile strengths of 40 ksi, 60 ksi, and 75 ksi, respectively.
Which two tests are generally used to test the tensile stren…
Which two tests are generally used to test the tensile strength of concrete?
Given that dead load = 40 psf, live load = 75 psf, roof live…
Given that dead load = 40 psf, live load = 75 psf, roof live load = 30 psf, snow load = 50 psf, and wind load = 15 psf, determine the largest factored load.
Given that dead load = 20 psf, live load = 95 psf, roof live…
Given that dead load = 20 psf, live load = 95 psf, roof live load = 20 psf, snow load = 50 psf, and wind load = 30 psf, determine the largest factored load.
At very slow loading rates, the strength of concrete increas…
At very slow loading rates, the strength of concrete increases.
Plain (non-reinforced) concrete has an assumed unit weight o…
Plain (non-reinforced) concrete has an assumed unit weight of _______.
The long term strength of concrete that is hot cured will be…
The long term strength of concrete that is hot cured will be _______ concrete that is cold cured.