Carbonation shrinkage occurs when moisture diffuses out of the concrete and the exterior shrinks more rapidly than the interior.
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Drop panels, capitals, and brackets provide extra depth for…
Drop panels, capitals, and brackets provide extra depth for moment and shear resistance adjacent to columns.
Shrinkage is the _______ in the volume of concrete during co…
Shrinkage is the _______ in the volume of concrete during constant temperature.
The tensile strength of all-lightweight concrete is 70 to 10…
The tensile strength of all-lightweight concrete is 70 to 100 percent of that of normal concrete, and it is about 20 percent more expensive than normal concrete.
Damage or collapse in extreme earthquakes is an example of a…
Damage or collapse in extreme earthquakes is an example of a serviceability limit state.
Traditionally, _______basic types of Portland cement have be…
Traditionally, _______basic types of Portland cement have been produced.
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?