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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. G60 is for ____ corrosive enviroment
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
MOre Crrosive Enviroment - Hot
A continuous concrete closure strip in the slab-on-ground.
7/8in

2. Slagwool is _____
Vertical reinforcing bars
K-series - LH series - DHL series
8 and 30 in
Noncombustible and is similar to fiberglass - manufacture of insulation.

3. The primary purpose of longitudinal steel bars in a reinforced concrete beam is to overcome the weakness of concrete in ______
4
Lighter Weight - Easier Erection
0.0025
Tension

4. OHF full name is?
Angle section (L)
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Ground-Supported Slabs - Elevated Slabs
Open-Hearth furnace

5. What is an Isolation Joint?

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6. Most Structural Steel sections are produced using _______
Ground-Supported slabs area____
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
Hot Rolling
structural frame

7. Weathering index of a location is a function of the
Average annual freezing cycle days - and average annual winter rainfall of the location
Steel Grade
Grouted Space
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.

8. A Soft story is a _______
1in
Immediately above the flashing
Discontinuity of walls at foundations and requires a heavy transfer structure.
FBX

9. a curtain wall is separated form the structural fram of the building by a minimum of...
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Collect and channel any water that gets into the air space back to the exterior
Column Footing
2 in

10. A bond beam in masonry bearing wall building must be a...
8 in
Grouted Space
Reinforced-concrete or reinforced masonry beam
Cold-formed and light structural steel members - in zinc coating

11. What is the maximum length of a shelf angle?
T section
20 ft
connection beam flanges
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.

12. The minimum width of air space generally used between brick veneer and wood stud backup wall is...
Base Plate
Out of Plane shear between the wall and the floor or roof deck
3in
1in

13. What are the three forces that affect water infiltration through exterior wall are...
Gravity - wind and surface tension
Water Proofing
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Column Footing

14. Bond beams are _____
2in pg 645
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
4
A single wythe of brick (usally 4in nominal thickness)

15. Arch welding is where
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Interegral to the mix of the finish coat pg 702
The courses alternate between headers ans stretchers

16. A bond Beam is provided at ______
4000 psi
Portland cement stucco
Concrete hollow-core slabs - metal deck - or wood deck.
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.

17. Which gives greater warning before failure - a brittle or ductile material?
A ductile material
Lighter member that spans between the girders
A plastic cone and a loop at each end.
A suitable base on which the roof or floor trusses and joist can be supported ans anchored

18. The most important reason for providing tires in concrete conlumn is too
Isolation Joints
Porland cement - lime - and sand
Prevent the buckling of longitudinal column bars
16'

19. The Top right hand Beam is called a
Continuous Stip footing
Construction Joint
T section
Where lap splicing of reinforcing bars will produce excessive congestion

20. 1 kip = ____psi
Modular
1kip=1000psi
Concrete hollow-core slabs - metal deck - or wood deck.
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.

21. The Dark things in the Corner are ____
True
Stretcher Face
EAF - BOF - OHF
Columns

22. What is the Third Arrow Pointing at?
Grouted Space
Continuous strip footings - isolated pad footings - drilled pier footings.
4000 psi
Metals that contain Iron

23. Name one of the types of foundations of tilt-up walls
Glass fiber-reinforced concrete
Dead End
Isolated pad footing
90 to 180 degress

24. The Glass fibers used in GFRC skin are referred to as AR fibers. the Term AR is an acronym for...
30 ft
As a structure that is made entirely of linear elements - columns and beams.
Alkali resistant
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.

25. Is directly underneith the concrete Slab
125psi
Solid unit
Pipe Section
Water Proofing

26. Rest on and are part of the structural frame of the building - they are used for 2nd and higher floors.
False
1in
Elevated Slabs
Tube

27. G120 is for ____ corrosive enviroment
Water Proofing
30 ft
Highly Crosive - Extreme
Cinder Block

28. A material that is weak in tension is...
Steel fabricator
Water Proofing
As a structure that is made entirely of linear elements - columns and beams.
Weak in shear

29. The I-section can be classified into four shapes. What are they?
Molded bricks
Flying forms
W - S - HP - M
W-Shaped Columns and Beams

30. Clay is _______
1. decking 2. membrane 3. insulation 4. flashing
cohesive
2 in
connection beam flanges

31. The greater the _____ the great the torsion created - which increases the cost of the structure.
Asymmetry
2
Base Plate
Live end

32. a construction join in a concrete slab on ground is required if the concrete in the slab connot be placed in one continuous operation
T section
Psi - ksi - Pa - and GPa
SJI
True

33. Generally - a Bond Beam is only _____ deep
8
A Waffle Slab
Allow water washing of concrete after stripping the forms
cohesive

34. Wicks or Tubes need a spacing of ____ to go with open-head joints
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
General contractor
16 in
Each course Consists of alternate headers and stretchers

35. The test specimens used for determining the compressive strength of concrete in the united states is a...
Bed Joints
Walls with vertical reinforcement
Cylinder measuring 6 inches in diameter x 12 in high
True

36. Stack casting is used when
The ground-floor slab of the building is too small to accommodate the precasting of all the walls
3in
Flat-plate floor - and one-way joist floor
I Section

37. Is a nonmovment joint in a large concrete slab - and is used when the concrete cannot be placed in one continuous operation.
False
The exterior cladding in a pressure equalized wall
Column Footing
Construction Joint

38. W-Shape is also called _____
Flat-plate floor - and one-way joist floor
Wide-Flange section
3/8 in
Heavier members and spans from column to column

39. They provide a weakness in the slab at predetermined locations to force the slab to crak there and not somewhere else.
Prefabricated and collapsible inverted- L forms that allow the walls and slabs for a floor to be cast simultaneously - usually in a 7 day cycle.
52-72
Reinfocing bars are provided at the top and bottom of the beams
Control joints in concrete do what?

40. The bearing strength of a material is closely related to it's ___________
Continuous Stip footing
Bearing connection
A36
Compressive strength

41. A snug-Tight condition is _____
Bolting the member and rightening them with a spud wrench using full force
In plane shear between the wall and the floor or roof deck
Connected members have been bolted together using spud wretch with the full force of a person
8

42. The 'perfect' amount of carbon is from .01 to 1.7% - this metal is called ______
8 and 30 in
Grouted and reinforced with horizontal steel dowels
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
Steel

43. The steel anchors that connect the veneer to the CMU backup wall are...
AISC Type II Connection
laminated glass - so that glass shards don't rain down death.
Two piece wire anchors
Length - L - of unit

44. What is the 2 arrow?
Barrier walls
Base Plate
Approximately equal to the combined cost of concrete and steel
Connected members have been bolted together using spud wretch with the full force of a person

45. Gravity generally affects water penetration through an exposed horizontal surface of a wall and can counted by
Steel
E = Change in length / original length = d / L
Providing a anomalous slope in the surface.
2 in

46. Unfinished bolts are made from
Isolation Joints
Joists
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Carbon steel

47. Most of the cost comes from _____
Open-Hearth furnace
The Framework
Lighter weight
A single 1/2 - 7 wire strand

48. What is ultimate stress?
Huge - steel cylinder whose interior is lined with refractory bricks - and the materials are stacked on the inside and then heated to mix them all together.
Stress at the point of failure
32 in on center and not more than 18 in vertically
Each course consists of Strechers

49. Frame Structure is defined by ________
The time between the end of concreting and the removal of the forms
As a structure that is made entirely of linear elements - columns and beams.
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Workablity - water rentivity - and water tightness

50. Name one of the types of foundations of tilt-up walls
Obtaining by welding two or more standard sections together
Continuous Stip footing
A continuous closure strip
Hard coat EIFS

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Construction Basics

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