Skip to main content

Concrete curing

After placing concrete in forms, what does compaction with vibration serve to prevent?

AnswerHoneycombing, which happens when air pockets or voids form within the concrete and next to the forms due to failure of the mortar to effectively fill the spaces among coarse-aggregate particles

ARE 4.0 exam prep: SS

Comments

Post a Comment

Try These Too!

Parking units

What are the car stall dimensions for a compact car? Answer A compact car stall size can be set by each municipality and therefore varies. Generally it is 7ft 6in wide by 15ft 0in long. However, in Fresno CA it's 8 1/2ft x 16ft and according to an Iowa urban design manual, it's 7ft 6in by 16ft. ARE 4.0 exam prep: SPD
4 comments
See the answer »

Townships double post!

How many sections are contained within a township? Answer 36 (each is 1 mile square) What are the dimensions of 1/2 of a township? H & W Answer 18 miles square (3x6 sections) ARE 4.0 exam prep: SPD
4 comments
See the answer »

Fire detection

Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
Post a Comment
See the answer »