The long term strength of concrete that is hot cured will be _______ concrete that is cold cured.
Load combinations are presented in companion action format.
Load combinations are presented in companion action format.
Given that dead load = 50 psf, live load = 25 psf, roof live…
Given that dead load = 50 psf, live load = 25 psf, roof live load = 25 psf, snow load = 30 psf, and wind load = 45 psf, determine the largest factored load.
The 7- and 28-day strengths are reduced by cold temperatures…
The 7- and 28-day strengths are reduced by cold temperatures, although the long-term strength tends to be enhanced.
Which of the following does not affect compressive strength?
Which of the following does not affect compressive strength?
A group of 25 tests on a given type of concrete had a mean s…
A group of 25 tests on a given type of concrete had a mean strength of 4,000 psi and a standard deviation of 400 psi. Does this concrete satisfy the strength requirement for 4,000 psi concrete?
A higher water/cement ratio reduces the porosity of the hard…
A higher water/cement ratio reduces the porosity of the hardened concrete and thus increases the number of interlocking solids.
The density of reinforced concrete is often assumed to be __…
The density of reinforced concrete is often assumed to be _____ lb/ft3.
Choose the equation that will give the largest factored load…
Choose the equation that will give the largest factored load when D = 29 kip, L = 2 kip, Lr = 16 kip, and S = 20 kip.
Drop panels, capitals, and brackets tend to increase slab de…
Drop panels, capitals, and brackets tend to increase slab deflections.