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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. A typical anchor used with brick veneer and CMU backup wall assembly consist of...
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
That it is welded
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint

2. The keyway between precast-concrete hollow core slabs runs ____________ to the bearing walls
Snap Tie
shear force=force/area
Is embedded in the walls
perpendicular

3. Modulus of elasticity
Walls with overhangs
Column Footing
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
Stress / strain = E

4. Cellular-type plan is ______
A sufficient number and adequate lengths of walls must be provided in both principal directions of a building
Out of Plane shear between the wall and the floor or roof deck
Live ends
Temporary structural steel bracing members can also be used to strengthen an opening - they are attached to a panel before lifting and removed after the panel's erections Pg. 620

5. The simplest and most effective weep hols is a _____
Prevent the buckling of longitudinal column bars
Open - vertical mortar joint in the veneer.
The time between the end of concreting and the removal of the forms
2.67 ft

6. The Slag is what?
Molten Limestone that floats over molten Iron
Providing an impervious barrier to water
8 in
False

7. Plymer based EIFS are also called...
Perpendicular to the main axis of the building.
Shelf angle anchored to the structural frame of the building
Soft-coat EIFS
A325

8. What is the formula for shear force?
25 ft in the field of the wall and 10 ft from a wall's corner.
shear force=force/area
Angle section (L)
Provide unifrom drying and firing of bricks

9. The bearing strength of a material is closely related to it's ___________
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.
2 1/2 in
Compressive strength
Immediately above

10. Steel reinforcement in concrete elements that are permanently exposed to earth - such as in footing - must have a minimum concrete cover of ____
Water Proofing
Compressive strength
3in
Soft-coat EIFS

11. A major benefit of a steel stud backup wall in a in a brick veneer assembly as compaired with a CMU backup wall is its ______
3000 psi
Reinfocing bars are provided at the top and bottom of the beams
Lighter weight
A36

12. The concrete tilt-up wall construction system is generally used in...
Temporary structural steel bracing members can also be used to strengthen an opening - they are attached to a panel before lifting and removed after the panel's erections Pg. 620
Continuous strip footings - isolated pad footings - drilled pier footings.
Low rise building 1 to 4 stories
Porland cement - lime - and sand

13. Aluminum is commonly used as form and shore material because___
Either tension or compression
25 ft in the field of the wall and 10 ft from a wall's corner.
True
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.

14. A bond Beam in a Masonry bearing wall building is required for structural reasons
At each floor level and roof level
Average annual freezing cycle days - and average annual winter rainfall of the location
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
Reservoir

15. Inside of Pressed concret the prestressing cables are called____
Elevated Slabs and arches - its formwork for arches
Strands
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
Interegral to the mix of the finish coat pg 702

16. What is a control joint used for?
W-Shaped Columns and Beams
Peter Zumther
18 to 48 in
control joints accomodate the shrinkage of concrete. their purpose is to provide weakness in the slab at predetermined locations to force the slab to crack there.

17. A doubly rienforced beam is one in which
Reinfocing bars are provided at the top and bottom of the beams
Immediately above the flashing
Reservoir
Tougher pg 617

18. What is the 2 arrow?
The time between the end of concreting and the removal of the forms
Failure stress / allowable stress
Base Plate
Control joints in concrete do what?

19. What is ultimate stress?
Water and resistant to puncture - tear - and abrasion
Snap Tie
Stress at the point of failure
True

20. The most important reason for providing tires in concrete conlumn is too
In plane shear between the wall and the floor or roof deck
5 in
Prevent the buckling of longitudinal column bars
Wider space in an otherwize narrow joint

21. The Very middle one is called _____
True
3/8 in
I Section
A 100% solid unit

22. Weep Holes are...
Lapped members - clamped together with specially made clamps - and screw-based metal assembly
False
T section
A small opening at the bottom of cladding

23. DLH series has a depth range of...
tempered glass
Live end
S50X30
52-72

24. What does HHS stand for?
Flying forms
Hollow structural section
laminated glass - so that glass shards don't rain down death.
3 in

25. The arrows next to the Column and the base plate are indications of what?
That it is welded
2.67 ft
Construction Joint
Structural concrete fill

26. A drainage wall is a wall that consists of an
Immediately above the flashing
Actual strength / required strength
Exterior cladding and a inner backup wall and a intervening air space between the cladding and the backup
windward face

27. fixed anchor assemly is called a ____
Dead End
Iron ore and coke are mixed together in a Furnace
A 100% solid unit
Asymmetry

28. Who Manufactureres joists and joist girders?
W - S - HP - M
SJI
Increase the strength of beam in shear
Ground-Supported Slabs - Elevated Slabs

29. A sufficient number of weep holes must be provided for the drainage of the air space - gernerally - a weep hole spacing of ____ is used with open head joints
windward face
Grouted Space
Concave
24in

30. The steel anchors that connect the veneer to the CMU backup wall are...
A plastic cone and a loop at each end.
Gravity load from the floor or roof deck to the wall
Connected members have been bolted together using spud wretch with the full force of a person
Two piece wire anchors

31. A shear connection between a Steel beam and a Steel Colum is also called a ____
Steel Joist Institute
Simple Connection
Prevent the buckling of vertical reinforcement in columns
True

32. The Two bottom Left ones are called _____
Weak in shear
Concrete hollow-core slabs - metal deck - or wood deck.
Is the Deposit of white substance on a masonry wall
Tube

33. What is the yield stress of A36 steel?
7-5/8x7-5/8x15-5/8
36 ksi
Reinfocing bars are provided at the top and bottom of the beams
2 in

34. This type of Mortar is used in seismic zones
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Base Plate
Type S
Mid- to-high rise masonry bearing wall residential buildings

35. The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Grouted Space
Pile
2 to 4 ft
A small opening at the bottom of cladding

36. The primary reason for providing core hols in bricks is to...
Provide unifrom drying and firing of bricks
Single-story - rectangular (box type)
Beams and Columns
structural frame

37. in an ideal pressure-equalized drainage wall
Ground-Supported slabs area____
Steel
Immediately about a flashing
The cladding resists all the wind load

38. Two-way deck is a ____
Molten Limestone that floats over molten Iron
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
3in
Drainage Walls

39. The Vertical Lines that are not connected to Beams are called ____
A continuous concrete closure strip in the slab-on-ground.
Brown coat
Live ends
Joists

40. S-Shape is also called ____
The courses alternate between headers ans stretchers
American Standard Shape
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
16'

41. Strain Formula
24
E = Change in length / original length = d / L
18'
Strip Footing

42. The Glass fibers used in GFRC skin are referred to as AR fibers. the Term AR is an acronym for...
Scaffolding
Stress at the point of failure
Tension
Alkali resistant

43. Aluminum is commonly used as form and shore material because___
24in
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
Elastic-plastic
The contained molds in which the concrete is cast

44. Water resistant layer on the backup wall protects it from
Capillary break
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.
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Grade 50 steel

45. Inside of Pressed concret the prestressing cables are called____
Grouted Space
Strands
The concrete is cast at the site
2 1/2 hours of the initial preparations of mortar

46. A typical bond beam is provided with
EAF - BOF - OHF
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
Horizontal reinforcement
Cross bearing Walls plane

47. Flat glass obtained from the float glass process - without further treatment - is the basic glass - referred to as _____________
annealed glass
Steel embeds in wall and slab welded together with steel plates
5000 psi
4000 psi

48. A 10 in deep joist can be used for a maximum span of _____
240 in =20ft
Pre-cast concrete hollow-core slabs
Control joints in concrete do what?
4000 psi

49. The stregth of concrete in a residential concrete slab-on=ground is generally
K-series - LH series - DHL series
3000 PSI
Steel Joist Institute
A continuous closure strip

50. Capillary break is a...
Porland cement - lime - and sand
Wider space in an otherwize narrow joint
A special electric wrench is used that induces a predetermined torque bolt
24

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Construction Basics

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