問題一覧
1
What is a fly form?
A large form used for pouring slabs
2
In the vertical member placed outside The Wailers on the form is called a ?
strongback
3
On a round wall, the outside length will be ?
2 x 3.1416 x wt
4
The minimum run for a step footing is ? and the maximum rise is?
600mm 600mm
5
Spandrel beams are located around the slab perimeter, and ?
Supports load from the slab an exterior finishes
6
Three layer rafting is also called
grillage
7
In making an end bearing pile a what is used?
belling tool
8
Void form slabs are designed to ?
Mimic a wood frame floor system
9
When multiple buildings are joined together, care must be taken to avoid ?
differential settlement
10
When hooking up a fly form to the crane, you must be
tied off too structure
11
To plumb a slip form, it may be necessary to ?
Reduce, or increase the Jack rate from one side of the form to the other
12
What is the Alberta building code requirement for ground cover for footings?
1200mm
13
A beam may be supported by a ?
Column or girder
14
pile caps can provide the transition between ?
Piles and columns
15
When constructing a rough buck it is good practice to make it ?
Slightly narrower than the wall
16
pile capacity is achieved from either ?
end bearing or friction
17
Deflection limit for architectural concrete formwork is ?
1:360
18
What does SWL stand for?
safe working load
19
Drop panels are ?
Cast with the slab and capitals are cast with the column
20
Recess form into a wall is called a ?
box out
21
In soft or loose granular soils what type of pile is used?
compacted pile
22
piles can be driven using a?
drop, diesel or vibrating hammer
23
More form failures occur in what season than others ?
winter
24
When heavy loads are imposed on a small footprint, what may be used?
raft foundation
25
The depth of plain concrete footings must be ?
Equal to, or greater than their projection
26
void form can be used to?
Relieve uplift pressure on a grade beam
27
When an unstable layer is too deep to use a caisson what type of drilling must you do?
mud drilling
28
Camber is used to counteract
deflection
29
Hydraulic drilling is known as?
jetting
30
To reduce the slenderness ratio of Shores, what can be installed?
lacing
31
To resist, overturning soldier, piles must be ?
tied back
32
As lateral pressure increases, what should decrease ?
tie spacing
33
Slenderness ratio maximum unsupported length is calculated by
Multiplying 50 times the smallest material dimension
34
If you are using through ties in your formwork, you must also incorporate the use of ?
tie sheaths
35
Hydrostatic pressure is directly proportional to ?
height
36
Footing reinforcement must be ?
Supported to ensure proper coverage
37
And advantage of step tapered piles is that they are ?
Water tight and have large bearing capacity
38
The place where a tie is designed to snap is called the ?
break back point
39
On a banded column, it is important to ?
Chase the corner, so the form isn’t distorted
40
An optical plum can be used to ensure that a ?
vertical slip form isn’t drifting
41
Dividing the height of pour by pour time will equal?
rate of placement
42
Widening of the foundation wall is called a
pilaster
43
Compacted piles are filled with ?
dry mix concrete
44
Placement of decking should minimize waste and?
Lend itself to strip ability
45
Pile reinforcement in a compacted pile is added ?
after the bulb is complete
46
Shoring must never be supported on
Frozen or unstable ground
47
The next step after removing a fly form is too
re shore
48
Narrower fly forms may allow for
earlier stripping
49
Foundation wall that is wide at the bottom and tapers to a narrow top is called a?
battered foundation
50
Shallow reinforced concrete wall spanning two or more supports is called a?
gradebeam
51
levelling blocks are required for?
Inside core form in order to keep the shaft plum
52
If a beam side is formed with the fly form, it is important to
Slope the beam side
53
Sheet piling would be used to make a ?
cofferdam
54
When designing gang forms, consider what 2 factors with the crane?
capacity and reach
55
A type of slab supported directly on top of the column is called a ?
flat plate slab
56
When drilling a pile and sub surface, water or sloughing, is encountered, what must be installed ?
caisson
57
Increasing bearing area helps in relieving ?
crushing pressure
58
The standard SWL for ties has a safety factor of ?
2:1
59
Compacted piles achieve their capacity by ?
increasing bearing area and soil density
60
Is essential that inside core forms be ?
Easily removable
61
With driven steel or timber piles capacity is achieved when ?
the target blow count is reached
62
Drop panels and capitals are used to counteract ?
punching shear
63
Stationary slab forming requires the assembly and disassembly of formwork……
piece by piece
64
Square forms with fillers are economical way to form ?
irregular shapes
65
The size of a fly form is a dependent on
Floor layout, and crane capacity
66
Lacing should be installed ?
Slightly above mid height
67
Concrete density multiplied by the rate of placement equals ?
maximum pressure
68
What are the three main objectives of good form work?
safety quality economy
69
A bored loadbearing cast in place concrete pile is often referred to as a?
caisson
70
(battered footing) to resist uplift forces. what is installed?
Ballast is installed around the form for a battered footing
71
Columns must be braced to resist ?
racking
72
When using coil ties, the rod should ?
Extend through the tie end by one rod diameter
73
c hook is a crane attachment design for flying ?
table forms
74
What tie are used in the cam lock system?
loop end ties
75
wedges for shoring are typically cut at what ratio?
1:12
76
The bending of plywood between supports is known as ?
deflection
77
Installing form fly with a face grain parallel to supports can lead to increased ?
deflection
78
Never mix materials for Shores as they can ?
React differently under load
79
What is a gang form?
A large form used for pouring walls
80
To minimize deck, deflection lay decking
Perpendicular to joist and over multiple supports
81
What ties are suited for non-standard wall thickness, or tapered ties?
coil ties
82
When suspending formwork from a steel beam, what type of hanger can be used?
saddle
83
Flat plate slabs are most commonly used in the construction of ?
high rise apartments
84
Height adjustments on u heads must be limited to ?
2/3 overall length
85
A double pole shore is also known as a ?
bent
86
The rough sawn lumber installed between soldier Piles is called. ?
lagging
87
outside core forms should be made to allow for a ?
Reduction in wall thickness on tall structures