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Construction Basics

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. Clay is _______
Perpendicular to the main axis of the building.
Flexible - durable - resistance to UV radiation.
Stress at the point of failure
cohesive

2. Rinforced-Masonry walls are ________
Shelf angles
Walls with vertical reinforcement
True
Connected members have been bolted together using spud wretch with the full force of a person

3. The Term GFRC is an acronym for...
The concrete is casted in controled enviroments and then transported to the contruction job.
Some interior concrete slabs-on-ground
Glass fiber-reinforced concrete
5 in

4. Floor deck is usally topped with a _____
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
To ensure the absence of tensile stress in masonry - the resultant of gravity load and the wind load at any horizontal section of the wall must remain within the middle third of the section.
Structural concrete fill

5. Wicks consist of...
Steel pipes
36 ksi
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
The industry's standard for masonry bearing wall structures.

6. S-Shapes are mostly used for_____
Steel pipes
Live end
Cranes and rails
Alkali resistant

7. strongbacks can

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8. For a brick veneer that bears on the foundation and continuses to the top of the building without any intermediate support - the maximum veneer height is limited to...
After World War 2
30 ft
where soil is not strong.
5000 psi

9. Vertical Mortar joints are also called _____
Ground-Supported slabs area____
Head Joints
1in
Where the concrete absorbs the heat from the day and slowly releases it during the night

10. Iron is _______ in character - unlike steel
Solid unit
Fibrous
That it is welded
4000 psi

11. Flashing needs to have these qualities
Flexible - durable - resistance to UV radiation.
Parallel - wider
Immediately about a flashing
Pre-cast concrete hollow-core slabs

12. What is the Fill Made up of?
30ft
Gravel
Elevated Slabs
PB pg 703

13. A Soft story is a _______
Head Joints
The Framework
Discontinuity of walls at foundations and requires a heavy transfer structure.
Isolation Joints

14. The chairs used for supporting reinforcing steel bars are generally
EAF - OHF - BOF
Tube
annealed glass
Plastic - and Steel chairs with plastic-coated feet

15. G60 is for ____ corrosive enviroment
Unequal distribution of air pressure on the exterior of the wall and in the airspace between the cladding an d the backup wall.
MOre Crrosive Enviroment - Hot
shear force=force/area
5000 psi

16. The two Strength Properties of Mortar are ______
Compressive strength and Flexural tensile bond strength
Molten Limestone that floats over molten Iron
Steel embeds in wall and slab welded together with steel plates
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists

17. What is the typical spacing between studs on center?

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18. IRA is a measure of the Tensile Stregth of a brick?
Iron ore melts and then is cooled to a solid state by casting it on a sand bed - the shape of the casting resembles a little of new born pigs.
Continuous strip footings - isolated pad footings - drilled pier footings.
40 ft
False

19. The most important reason for providing ties in concrete wall is to...
Ties are generally not provided in a concrete wall
24
Noncohesive Soils
Dead End

20. The dead load of brick vaneer may be borne by the wall foundation without any support at intermediate floors up to a maximum height of _____ above ground
Sanding smooth the insulation boards for EIFS
Allow water washing of concrete after stripping the forms
30ft
Flexural and Shear.

21. in a typical stress-strain diagram of a material - the stress is generally plotted along the _________ axis
Gravel
Vertical
Adding water to the mortar
Providing an impervious barrier to water

22. What is the formula for stress?
stress=force/area
Zinc
52-72
2

23. W-Shape is also called _____
Wide-Flange section
Pre-tensioned concrete
18 to 48 in
Less than it's ultimate stress

24. a 20-ft high column shortens by 0.6 in. under a load. What is the resulting strain in the column?
Increases the strength of a wall against bending - increases the sliding resistance of the wall to in-plane lateral loads - reducing horizontal displacement between floors - helps to resist the tension caused by overturning of the Wall.
8 in
0.0025
Greater than the cross-sectional area of the column

25. A fully cured Stucco is ___ thick
7/8in
Tube
Angle section (L)
Steel embeds in wall and slab welded together with steel plates

26. Flashing material must be impervious to...
General contractor
125psi
The connections between the walls and the floor or roof decks
Water and resistant to puncture - tear - and abrasion

27. Precast-concrete hollow-core slabs are most commonly used in____
Residential
Mid- to-high rise masonry bearing wall residential buildings
Masonry Bearing Wall Structure
4

28. Semirigid Connection is also called...
AISC Type III Connection
Deck that spans between two opposite walls - and the gravity load on the deck is carried in one direction across the two opposite walls.
AISC Type II Connection
Horizontal reinforcement

29. Specified Dimensions of masonry units is ____
The size of the masonry that the manufacture would like to achieve.
Depth of the joist in inches
3/8
Cinder Block

30. The form work used in constructing high-rse residential buildings in site-cast reinforced-concrete bearing walls generally consists of...
Weak in shear
Open-Hearth furnace
Acrylic polymer-based mix
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously

31. Scaffold-types shores are usally made from
1in
Stretcher Face
Steel pipes
False

32. Shores are used for...
W - S - HP - M
Elevated Slabs and arches - its formwork for arches
Lug
Soft-coat EIFS

33. Reinforcement increases a masonry's walls ________ and _______ strength
Glass fiber-reinforced concrete
Flexural and Shear.
W-shaped beams - Steel joints
Metals that do not contain Metals

34. 8in Thick CMU wall is ______

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35. StiffBacks
Scaffolding
A single wythe of brick (usally 4in nominal thickness)
The Vertical lumber on this image of formwork is called ______
1kip=1000psi

36. Plymer based EIFS are also called...
Soft-coat EIFS
Discontinuity of walls at foundations and requires a heavy transfer structure.
3000 psi
Steel

37. Two-way deck is a ____
Peter Zumther
A992
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
In plane shear between the wall and the floor or roof deck

38. Bricks and Blocks are called ____
Columns
Ground-Supported slabs area____
Concrete masonry Units
annealed glass

39. S shapes the interior surfaces of the flanges are ____ and are ____ than the W shape
Device that consists of a mesh made of polymeric strands witch trap the droppings and suspend them permanently above the weep hole
Greater than the cross-sectional area of the column
Concrete hollow-core slabs - metal deck - or wood deck.
Sloped - thinner

40. The most common used 28 day strength of concrete of PC curtian wall panels is ______
Strength of it - and weakens the strength of the wall.
5000 psi
Steel fabricator
50

41. The use of ONe-way decks yields the following two types of bearing wall planes name one?
Peter Zumther
Metals that contain Iron
Longitudinal bearing Wall Plan.
4

42. Flashing must be accompanied by _____
Bearing connection
Longitudinal bearing Wall Plan.
Weep holes
Stress at the point of failure

43. A drip mechanism at the underside of a projecting horizontal surface counters the effect of...
Longitudinal bearing Wall Plan.
Surface tension
The cladding resists all the wind load
Each floor level

44. A 10 in deep joist can be used for a maximum span of _____
Hard coat EIFS
240 in =20ft
More easily constructable.
Where lap splicing of reinforcing bars will produce excessive congestion

45. What is the formula for strain?
7-5/8x7-5/8x15-5/8
=change in length/original length
30ft
Pile

46. A concrete tilt-up system is limited to...
Lug
Low-rise buildings generally up to 50 ft
Grouted Space
18'

47. A rectngular column measuring 12 in x 12 in. in cross section carries a loat of 18 kips. What is the stress in the column
125psi
Steel Grade
25 ft and not more than 10 ft from the walls corner
GFRC skin - a light gauge steel frame - anchors

48. What does HHS stand for?
Highly Crosive - Extreme
Composite
A small opening at the bottom of cladding
Hollow structural section

49. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
American Standard Shape
Extruded bricks that have through-through hols.
Metals that contain Iron
In plane shear between the wall and the floor or roof deck

50. The Vertical Lines that are not connected to Beams are called ____
A325
Joists
Surface tension
Cold-formed and light structural steel members - in zinc coating

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Construction Basics

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