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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 Term prestressed concrete refers to both pretensioned and posttensioned concret
True
Pile
F = Force/Area = P (Force) /A (Area)
Capillary break

2. tilt-up concrete walls are connected to the slab-on ground with
A continuous concrete closure strip in the slab-on-ground.
Much lower
Simple Connection
Ties are generally not provided in a concrete wall

3. The Tendons used for prestressing a PT concrete slab on ground gernally consist of...
At each floor level and roof level
One piece anchors
Ground-Supported Slabs - Elevated Slabs
A single 1/2 - 7 wire strand

4. Thermal Mass is _____
every floor
90 to 180 degress
Where the concrete absorbs the heat from the day and slowly releases it during the night
Stabilizing members that space across the joists

5. The use of ONe-way decks yields the following two types of bearing wall planes name one?
Extruded bricks that have through-through hols.
Mid- to-high rise masonry bearing wall residential buildings
Cross bearing Walls plane
2in pg 645

6. Where are deep foundations used?
where soil is not strong.
Column Footing
Acrylic polymer-based mix
Live ends

7. In a Typical sitecast reinforced Concrete structure - the cost of formwork and shores is...
Within the plane of the veneer
Approximately equal to the combined cost of concrete and steel
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
3/8 greater than the multiples of the masonry unit module.

8. A 1 1/2 depression is commonly created in foundation to receive the first course of the veneer - What is the name of the ledge?
every floor
Longitudinal bearing Wall Plan.
Construction Joint
Brick ledge

9. The concrete tilt-up wall construction system is generally used in...
Where the concrete absorbs the heat from the day and slowly releases it during the night
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
Walls with vertical reinforcement
Low rise building 1 to 4 stories

10. in terms of water infiltration - the exterior walls in historical buildings functioned as
Width - W - of Unit
Gravity load from the floor or roof deck to the wall
Barrier walls
A plastic cone and a loop at each end.

11. strongbacks can

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12. A Mortar capturing device in a brick veneer assembly is used
A single wythe of brick (usally 4in nominal thickness)
4 to 6 ft
40 ft
Immediately about a flashing

13. IF the bottom piece was extended what would we call it?
Lug
1kip=1000psi
Some veneer walls
The deflection of studs to withstand lateral loads

14. Yeild strength of steel is also referred to as the ______
Steel Grade
4000 psi
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
Lighter member that spans between the girders

15. Stripping time is ___
125psi
8
Providing an impervious barrier to water
The time between the end of concreting and the removal of the forms

16. The Horizontal Lines in the Middle are called ____
Drilled pier footing
Beams
24
Hot Rolling

17. strongbacks can

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18. What is Core Holes?
Extruded bricks that have through-through hols.
Pre-tensioned concrete
Columns
laminated glass - so that glass shards don't rain down death.

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

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20. The two most commonly used concrete floor systems are...
Type S
5 in
Flat-plate floor - and one-way joist floor
Average annual freezing cycle days - and average annual winter rainfall of the location

21. NonFerrous Metals are...
Metals that do not contain Metals
Tube
2in pg 645
Pile

22. Pretensioned concrete & tensioned concrete have ______ stress
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
same
W - S - HP - M
Gravity load from the floor or roof deck to the wall

23. What is the maximum height for a storefront window system?
40 ft
Flat-plate floor - and one-way joist floor
125psi
10-13 feet.

24. Unfinished bolts have the same charateristics as ____ steel
PB pg 703
Steel Grade
structural frame
A36

25. Blast Furnace is the process by which ______
Iron ore and coke are mixed together in a Furnace
Actual strength / required strength
Favorably
connection beam flanges

26. The first coat of stucco is called...
Out of Plane shear between the wall and the floor or roof deck
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
Scratch coat
Open - vertical mortar joint in the veneer.

27. The Very middle one is called _____
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
Reinforced-concrete or reinforced masonry beam
cohesive
I Section

28. A snug-Tight Condiction is also called...
Stiff
Open-Hearth furnace
Deck that spans between two opposite walls - and the gravity load on the deck is carried in one direction across the two opposite walls.
Bearing connection

29. Steel joist are braced against instabilty by
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
Veneer wall
Pile
Failure stress / allowable stress

30. Girder is...
Pieces sticking out away from the columes
Grouted Space
Perpendicular to the main axis of the building.
Wider space in an otherwize narrow joint

31. The most efficient weep hole in a brick veneer consists of a...
Open Headed joint
7/8in
Compressive strength - boling-water absorbation - and saturation coefficient of the bricks
Approximately equal to the combined cost of concrete and steel

32. A doubly rienforced beam is one in which
Reinfocing bars are provided at the top and bottom of the beams
Sloped toward the interior roof
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces
Approximately equal to the combined cost of concrete and steel

33. the anchors used in GFRC panels are typically
One piece anchors
E = Change in length / original length = d / L
3/8
4000 psi

34. The Bottom Right hand Picture is a ______
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Pipe Section
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.
The Vertical lumber on this image of formwork is called ______

35. Stirrups are generally made of...
No. 3 or No. 4 bars
Flying forms
High-treated carbon steel
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

36. __________ are vertical supports used in the forming of concrete.
Water and resistant to puncture - tear - and abrasion
Shores
Masonry Bearing Wall Structure
1in

37. Twist-off Bolt method is...
A special electric wrench is used that induces a predetermined torque bolt
16'
2
Sloped on both sides

38. Joist spacing is generally between ___ and ___ for floors
CMU backed brick veneer
Masonry walls without virtical reinforcement.
2 to 4 ft
Brick ledge

39. The most water tight joint is ____
To ensure stability against overturning by wind loads
Concave
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
Extruded bricks that have through-through hols.

40. The Term prestressed concrete refers to both pretensioned and posttensioned concret
Lighter Weight - Easier Erection
Grouted and reinforced with horizontal steel dowels
True
Control joints - Isolation joints - Construction joints

41. A pour stop is generally used with
Floor decks
A small opening at the bottom of cladding
Grouted Space
Immediately above

42. In a brick veneer assembly with a steel stud backup wall - the design of studs is generally governed by
Lateral load support to the veneer
G30 - G60 - G120
The deflection of studs to withstand lateral loads
Favorably

43. A 10 in deep joist can be used for a maximum span of _____
Gravel
Immediately above
240 in =20ft
Device that consists of a mesh made of polymeric strands witch trap the droppings and suspend them permanently above the weep hole

44. What is the first thing a contractor does at a construction site?
Prevent the buckling of vertical reinforcement in columns
excavation
Prevent the buckling of vertical reinforcement in columns
Prevent the buckling of longitudinal column bars

45. The primary purpose of ties in a reinforced concrete column is to...
Prevent the buckling of vertical reinforcement in columns
3/8
50
Reinforced concrete or steel frame structure

46. The maximum distance between fastners for stucco is...
Column Footing
Tube
Control joints in concrete do what?
7 in

47. They provide a weakness in the slab at predetermined locations to force the slab to crak there and not somewhere else.
Control joints in concrete do what?
Greater than the cross-sectional area of the column
Providing a anomalous slope in the surface.
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists

48. The units of modulus of elasticity are _______
Getting Iron and Meling it - Then when the Ore is soft - Silica is beat out with a hammer
Psi - ksi - Pa - and GPa
Portland cement stucco
2 1/2 in

49. LH series has a depth range of...
where soil is not strong.
Zero (0)
18 to 48 in
False

50. Modulus of elasticity
EAF - BOF - OHF
Stress / strain = E
Is the Specified dimension plus one mortar joint thickness
10-13 feet.

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Construction Basics

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