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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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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. The Middle-THird Rule indicated that ______
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
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.
Footing
Each course consists of Strechers

2. The concrete tilt-up wall construction system is generally used in...
W-Shaped Columns and Beams
Zinc
Low rise building 1 to 4 stories
Provide unifrom drying and firing of bricks

3. Weathering index of a location is a function of the
Glass fiber-reinforced concrete
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
Stress / strain = E
Average annual freezing cycle days - and average annual winter rainfall of the location

4. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
Flying forms
Drilled pier footing
50
Gravity load from the floor or roof deck to the wall

5. Conventional stucco is also called...
The industry's standard for masonry bearing wall structures.
Metals that contain Iron
Roof and Floor
Portland cement stucco

6. What are some Advantages to using Steel and Joists and Joist Girders?
Stretcher Face
Lateral load support to the veneer
Lighter Weight - Easier Erection
=change in length/original length

7. K-series has a depth range of?
Stress at the point of failure
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Hollow structural section
8 in to 30 in

8. Is a nonmovment joint in a large concrete slab - and is used when the concrete cannot be placed in one continuous operation.
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
Construction Joint
Joists
Reservoir

9. What is the maximum height for a storefront window system?
10-13 feet.
Compression
Type N
Construction Joint

10. Horizontal Mortar joints are also called ______
Compressive strength and Flexural tensile bond strength
Bed Joints
3000 psi
Barrier walls

11. The keyway between precast-concrete hollow core slabs runs ____________ to the bearing walls
Walls that are distributed almost uniformly in both principle and directions - walls at the uper floor that align with the walls at the lower floor - walls that are continuous up to the foundations
A992
perpendicular
=change in length/original length

12. G120 is for ____ corrosive enviroment
EAF - OHF - BOF
Footing
Veneer wall
Highly Crosive - Extreme

13. Semirigid Connection is also called...
To increase the shear strength of beam above that provided by concrete
Elastic-plastic
AISC Type III Connection
Reinforced concrete member

14. Pile
Percast at the construction site
After World War 2
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
36 ksi

15. Who designed the kaunthaus bregenz?
Peter Zumther
A plastic cone and a loop at each end.
Masonry Bearing Wall Structure
Drilled pier footing

16. Name one of the types of foundations of tilt-up walls
Prevent the buckling of vertical reinforcement in columns
HHS
Steel pipes
Isolated pad footing

17. The use of ONe-way decks yields the following two types of bearing wall planes name one?
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
25 ft and not more than 10 ft from the walls corner
Cross bearing Walls plane
T section

18. What are some Advantages to using Steel and Joists and Joist Girders?
A ductile material
Reinforced concrete wall - CMU wall - wood or steel stud wall
Lighter Weight - Easier Erection
Each floor level

19. S section I beam with a nominal depth of 50' and a weight of 60 lbs per 3 feet
2
Modular
Steel Joist Institute
S50X30

20. Where the concrete absorbs the heat from the day and slowly releases it during the night
2
Thermal Mass
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Snap Tie

21. The commonly used floor system in a high-rise and midrise masonry bearing wall buildings in North America is...
Pre-cast concrete hollow-core slabs
Stress at the point of failure
Prevent the buckling of longitudinal column bars
F = Force/Area = P (Force) /A (Area)

22. The two Strength Properties of Mortar are ______
Molded bricks
Compressive strength and Flexural tensile bond strength
Collect and channel any water that gets into the air space back to the exterior
Compression

23. Steel Joist Institue classifies joists into three categories. What are they?
K-series - LH series - DHL series
Carbon steel
Modular
Tube

24. Shores are used for...
Elevated Slabs and arches - its formwork for arches
Tube
Floor decks
Favorably

25. a 20-ft high column shortens by 0.6 in. under a load. What is the resulting strain in the column?
0.0025
S50X30
Immediately about a flashing
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists

26. What is the first thing a contractor does at a construction site?
excavation
Is embedded in the walls
7/8in
Elastic-plastic

27. Metal anchors are needed to transfer lateral loads to the backup wall in...
Some veneer walls
Grouted and reinforced with horizontal steel dowels
Molded bricks
Reinforced concrete wall - CMU wall - wood or steel stud wall

28. Flashing needs to have these qualities
Live end
Flexible - durable - resistance to UV radiation.
Getting Iron and Meling it - Then when the Ore is soft - Silica is beat out with a hammer
Heavier members and spans from column to column

29. Joist spacing is generally between ___ and ___ for floors
Elevated Slabs and arches - its formwork for arches
Carbon steel
connection beam flanges
2 to 4 ft

30. IN the steel joist designation 24LH10 the number 24 gives the _____
Mildly
3in
Depth of the joist in inches
Metals that do not contain Metals

31. Height adjustablilty in shores made of dimension lumber is provided through___
To ensure stability against overturning by wind loads
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
Lapped members - clamped together with specially made clamps - and screw-based metal assembly
Masonry walls without virtical reinforcement.

32. A K-series steel joist that is 20 in deep cannot space more than ____
Tube
One piece anchors
All the walls of the building have been erected - all the walls have been anchored to the slab-on-ground - the roof structure is complete
40 ft

33. in a pressure-equalized wall the backup wall must be
Discontinuity of walls at foundations and requires a heavy transfer structure.
Some interior concrete slabs-on-ground
Air tight
Extruded Bricks

34. Stirrups are used in Concrete beam ____
Water Proofing
Stiff
240 in =20ft
To increase the shear strength of beam above that provided by concrete

35. 1 kip = ____psi
7 in
Grouted Space
perpendicular
1kip=1000psi

36. Was is directly underneith the concrete Slab
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.
No. 3 or No. 4 bars
Water Proofing
Base Plate

37. Most common used Veneer wall is...
A single wythe of brick (usally 4in nominal thickness)
Shores
Pre-cast concrete hollow-core slabs
Cross bearing Walls plane

38. Girder is...
Pieces sticking out away from the columes
Longitudinal bearing Wall Plan.
3/8
Length - L - of unit

39. The anchors used to anchor the brick veneer to the backup wall are generally two-piece achors to allow differential movement between the veneer and the backup
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Within the plane of the veneer
One piece anchors
Reduced cracking in concret - and reduction in the dimensions of stuctural members

40. Is that the walls that are required for load-bearing purposes may also function as shear walls in addition to enclosing and dividing spaces.
One piece anchors
Masonry Bearing Wall Structure
AISC Type I Connection
Providing an impervious barrier to water

41. What is the formula for strain?
=change in length/original length
windward face
2
Better

42. the foundations for concrete tilt-up walls constits of...
Continuous strip footings - isolated pad footings - drilled pier footings.
Reinforced concrete wall - CMU wall - wood or steel stud wall
Depth of the joist in inches
Base Plate

43. The minimum required width of airspace between brick veneer and CMU backup wall is...
2in
Thermal Mass
Extruded bricks that have through-through hols.
The concrete is cast at the site

44. The use of ______ concrete is customary
4000 psi
American Standard Shape
Device that consists of a mesh made of polymeric strands witch trap the droppings and suspend them permanently above the weep hole
Capillary break

45. What does SJI stand for?
Elastic-plastic
Steel Joist Institute
Live end
General contractor

46. Galvanizing is...
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces
Strength of it - and weakens the strength of the wall.
Cold-formed and light structural steel members - in zinc coating
Type S

47. What is one of the Empirical rules?
That the thickness of exterior masonry walls progressively increase toward the lower floors.
4000 psi
Column Footing
Weep holes

48. When a cable or rope is compressed by a force - What is the compressive stress i it?
Continuious waterproof membrane which provides a continuous barrior that originates at the backup wall and penetrates through air space and cladding
cohesive
Reinforced concrete wall - CMU wall - wood or steel stud wall
Zero (0)

49. High-strength bolts are made from
High-treated carbon steel
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing
Extruded Bricks
ground supported slabs (a.k.a. slabs-on-ground or slabs-on-grade) bear directly on a compacted ground with organic top soil removed. 2. elevated slabs rest on and are part of the structural frame of the building. Therefore they are also referred to a

50. PC curtain wall system is used in all climates - its particularly favored in...
Weep holes
True
Strength of it - and weakens the strength of the wall.
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.

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Construction Basics

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