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Maintenance And Repair Of Building Structures 1

Quiz Questions:

1.	The foundation of a building or structure transfers the dead and live loads of the superstructure to soil that has enough bearing capacity to support the structure in a permanent, stable position.

		True
		False

2.	Foundation walls without footing is usually is used for:

		Light weight buildings
		Bridges
		Homes
		Office buildings

3.	Soil conditions may change over a period of time and introduce maintenance and repair problems even in initially well- designed foundations.

		True
		False

4.	Which of the followings would be considered as common causes of foundation movement.

		Settlement and differential settlement of the soil caused by inadequate compaction of the soil
		Improper sizing of the footings
		Over loading the structure
		Excessive ground water which reduces the bearing capacity of soil
		Inadequate soil cover which fails to protect against frost heaving
		Adjacent excavation that allows unprotected bearing soil to shift from under foundations to the excavated area.
		All of the above

5.	Localized foundation displacement may show upin:

		Cracked walls
		Damaged framings and connections
		Sloping floors
		Sticking doors
		Leakage through a displaced roof
		All of the above

6.	The minimum practical thickness for a medium duty slab is:

		4 inches
		6 inches
		8 inches

7.	In the process called curing the concrete should be kept from drying out for at least

		5 days
		15 days
		30 days
		60 days