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CET 2343 Final Exam questions with verified solutions
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CET 2343 Final Exam questions with verified solutions
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CET 2343 Final Exam questions withverified solutions
Historically, large placements where the minimum cross-sectional dimension equals or exceeds three
feet are commonly designated as mass concrete. - correct answer ✔✔true
Which of the following are common parameters of a mass pour concrete mixture design? - correct
answer ✔✔Type II cement, Class F fly ash, Slag,
For mass pours, the maximum temperature of the concrete is ______ and the maximum difference in
temperature change throughout the concrete is _______. - correct answer ✔✔158 F, 35F
If concrete exceeds 158 F, what may happen to the concrete? - correct answer ✔✔delayed ettringite
formation
If the maximum difference of the concrete exceeds 35 F, what may happen to the concrete? - correct
answer ✔✔thermal cracking
CLSM, also known as flowable fill is a cementitious, self-compacting, and fluid-like material that can be
used in lieu of any conventional backfill material or numerous other applications. - correct answer
✔✔true
CLSM, also known as flowable fill can be designed to have a strength more than 1200 psi. - correct
answer ✔✔false
Flowable fill (CLSM) can be easily excavated if strengths exceed 500 psi. - correct answer ✔✔false
Flowable fill (CLSM) can be designed as either excavatable backfill or structural fill based on strength. -
correct answer ✔✔true
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