Question Completion Status QUESTION 8 control joint in conceete are groores in a

Question

Question Completion Status QUESTION 8 control joint in conceete are groores in a concrete slab on gzade that O a form planes of weakness where shrinkage cracking can occur without distiguring the slab O b.allows for specified lengths of welded wire mesh to be placed underneath ??.prov ide for an area for water to drain away from the center ofthe slab to the outer edge O d.all of the above O e none of the abore QUESTION S What are some of the characteristics of brick masonry? 0 a. Fire resistant O b. small workable size O c Asthetics O d. Durablity'strength O e.All of the above QUESTION 10 Flemish boad is parely decorative. ? -aaAA????????? ?????????????????????? ???????yy 2

Explanation / Answer

Question 8: Once the concrete gets poured and hardened, the water in it starts to evaporate and makes the concrete to shrink and develop shrinkage cracks, especially on longer slabs. Contraction or Control joints are provided to avoid this crack from developing to the entire area. Basically, control joint is the action of making a saw cut groove and weaken the slab where we think the crack may occur due to shrinkage . This way the cracks developed under the slab find its way at the weak point (the point we have grooved) and avoid spreading all over the slab. thus Option a is correct.

Question 9: Since the main ingredient in bricks is clay, which has frying temperature of around 20008 F, bricks are fire resistant.

Small workable size and aesthetics are correct too for obvious reasons, given the different types of bonds that can be made like the FLEMISH BOND which is a decorative bond.

Bricks are durable as well as strong, many load bearing structures are still made where brick masonary takes the entire loading in the form of brick walls..

QUESTION 10: A flemish bond is for sure decorative in nature. The bond’s alternating stretchers (sides of brick) and headers (ends of brick) form a pleasingly patterned regularity, requiring skill to execute. But it would be going too far to say that it is purely decorative, because it does have strength too as the joints are not in one single line, which thus means that it will have some strength, thus the statement is "FALSE"

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