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4 cards from this section. Quick, good the night before a test.
What is the typical range of compressive strength for concrete?
Think about the values commonly used in construction.
Define density in relation to concrete.
Consider how density impacts the weight of a structure.
What is the typical tensile strength of concrete compared to its compressive strength?
Think of ratios when comparing these strengths.
True or False: The density of lightweight concrete is greater than that of normal weight concrete.
Recall the definitions of each type of concrete.
A reinforced concrete beam must support a load that requires a compressive strength of at least 8,000 psi for safety. Given that standard concrete typically ranges from 3,000 to 6,000 psi, which special mix is advisable, and how might it be designed?
Think about alternative concrete constituents that can enhance performance.
You are tasked with designing a concrete structure that experiences cyclical loading. Consider how the properties of tensile strength and micro-cracking might influence your design choices.
Consider dynamic loading effects as you examine different material responses.
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