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WorksheetsStructural
Total questions: 116
Worksheet time: 1hrs 5mins
A type of retaining wall that solely relies on weight to prevent the higher elevation soil to erode
gravity
cantilever
anchored
piled
a retaining wall that uses deep excavation
gravity
cantilever
anchored
piled
retaining wall that uses "ties" on the retained soil to prevent overturning
gravity
cantilever
anchored
piled
retaining wall that has a longer structural footing on the retained soil to prevent it from overturning
gravity
cantilever
anchored
piled
A 2m x 6m slab is considered as
one way
two way
A 6m x 6m slab is considered as
one way
two way
A 3m x 6m slab is considered as
one way
two way
determine the type of slab
(a)
determine the type of slab
(a)
Slab with no beams or drop panels on column capitals
(a)
Slab with no beams but has drop panels on column capitals
(a)
Maximum rebar diameter of a slab
h/8
h/5
h/10
h/12
the spacing between bars must be a maximum of 3 times its thickness or not more than?
450mm
500mm
300mm
400mm
what would be the rebar spacing of a 100mm-thick slab?
450mm
500mm
300mm
400mm
what would be the rebar spacing of a 160mm-thick slab?
450mm
500mm
300mm
400mm
what would be the temp bar spacing of a 100mm-thick slab?
450mm
500mm
300mm
400mm
Maximum temp bar spacing of a slab besides 450mm
3h
5h
4h
6h
temperature bars in one way slabs are placed where?
perpendicular to the longer dimension
parallel to the longer dimension
parallel to the shorter dimension
None of the above
The formula for getting the slab thickness of a simply supported one way/ ribbed slab is L/20. What is L?
Dimension where main rebars are parallel to
Shorter slab dimension
Longer dimension
Dimension where main rebars are perpendicular to
determine the minimum thickness of a 1.5-meter long cantilever beam
190mm
200mm
150mm
300mm
determine the minimum thickness of a 4mx12m both end continuous slab
190mm
200mm
150mm
300mm
determine the minimum thickness of a 4mx12m one end continuous slab
190mm
200mm
150mm
170mm
determine the minimum thickness of a 3.70m long one end continuous beam
190mm
200mm
150mm
170mm
determine the minimum thickness of a 6m x6m suspended slab?
190mm
200mm
150mm
170mm
determine the minimum thickness of a 8m x8m suspended slab. consider a it to be a grade 415 MPa slab
190mm
200mm
150mm
170mm
Which is a not shallow foundation?
piles
isolated footing
mat footing
combined footing
pressure caused by the accumulation of water in the retained soil that causes retaining wall failure
hydrostatic pressure
hydrodynamic pressure
atmospheric presure
none among the choices
what test would be recommended for buildings two storeys and up
soil test
slump test
core test
compression test
test for concrete workability
soil test
slump test
core test
compression test
test for concrete strength of an existing building
soil test
slump test
core test
compression test
test for concrete strength of a concrete mix poured into a structural element
soil test
slump test
core test
compression test
according to NBCP the minimum depth of a shallow foundation should be?
800 mm
1000 mm
900 mm
1200 mm
how deep into the hard strata should the bore be in a bore test?
5m
10 m
7 m
6 m
in a bore test how many bore holes does a two storey building of 14m x 14m footprint should have
1
2
3
4 or more
in a bore test how many bore holes does a two storey building of 25m x 25m footprint should have
1
2
none
3 or more
in a bore test how many bore holes does a single storey building of 20m x 20m footprint should have
1
2
none
3 or more
how deep should be the foundation if the structure has a basement
twice building longest dimension plus the basement height
twice building shortest dimension plus the basement height
thrice building shortest dimension plus the basement height
thrice building longest dimension plus the basement height
minimum thickness of foundation wall for single storey.
150
200
300
250
minimum thickness of foundation wall for two storeys.
150
200
300
250
minimum thickness of foundation wall for three storeys.
150
200
300
250
minimum thickness of footing width for one storey.
375
450
300
250
minimum thickness of footing width for two storeys.
375
450
300
250
minimum thickness of footing width for three storeys.
375
450
300
250
minimum thickness of footing thickness for one storey.
175
150
200
250
minimum thickness of footing thickness for two storeys.
175
150
200
250
minimum thickness of footing thickness for three storeys.
175
150
200
250
minimum depth below undisturbed ground surface for three storeys.
300
450
600
250
minimum depth below undisturbed ground surface for two storeys.
300
450
600
250
minimum depth below undisturbed ground surface for one storey.
300
450
600
250
when piles are applied in the foundation, the footing also serves / also referred to as?
(a)
equipment used for pile placement
(a)
horizontal element where the ground floor slab directly rests on
grade beam
tie beam
strap beam
wall footing
horizontal element in the foundation which holds two posts or columns together to prevent movement
grade beam
tie beam
strap beam
wall footing
horizontal element in the foundation which holds two posts or columns together to prevent movement and is on the same level as the footing
grade beam
tie beam
strap beam
wall footing
horizontal element in the foundation which transfers the weight of the foundation wall directly into the soil strata
grade beam
tie beam
strap beam
wall footing
which of the following is a disturbed soil
clay
gravel
adobe
escombro
what do you call the reinforcement of a post tensioned structural element
temperature bar
round bar
reinforcement bar
tendon
beam tends to shorten during pre stressing, having the middle portion leaning upward, this phenomenon is referred as?
negative moment
inverse shear
reverse moment
camber
pre stressing method where tendons are stretched to the desired limit then concrete is poured into a form
mid tensioning
post tensioning
pre tensioning
pre stressing
pre stressing method where structural members has already been pre casted with holes or ducts where tendons are slid into and stretched to the desired limit
mid tensioning
post tensioning
pre tensioning
pre stressing
method of precasting structural element exposing it to huge amounts of compressive and tensile forces to the concrete and tendons respectively
mid tensioning
post tensioning
pre tensioning
pre stressing
type of post tensioning where tendon ducts are filled with grout.
unbonded
bonded
pre tensioning
pre stressing
type of post tensioning where tendons are coated with a layer of grease and wrapped in plastic sheathing
unbonded
bonded
pre tensioning
pre stressing
nominal diameter range of a prestressing wire in millimeters
2.5-8.0
3.5 - 8.0
2.5-7.0
3.5-7.0
what do you call prestressing structural wires that are spun together to form a helical form?
strands
cable
tendon
rebar
what do you call a group of strands used for prestressing reinforcement?
strands
cable
tendon
rebar
what do you call a group of strands used for prestressing reinforcement?
strands
cable
tendon
rebar
Refers to the lateral forces considered when building undergoes dynamic motion during earthquakes.
seismic load
dead load
wind load
live load
focus of an earthquake inside the earth is called?
epicenter
hypocenter
hypercenter
magnetude
focus of an earthquake on the surface of the earth is called?
epicenter
hypocenter
hypercenter
magnetude
means damage done by an earthquake
(a)
means energy released by an earthquake
(a)
apparatus used to measure earthquake magnitude
(a)
a floor level in which earthquake motions are considered
base
groundfloor
basement
superstructure
used in seismic design to minimize movement of the superstructure during and earthquake
isolation bearing
isolation footing
rubber bearing
rubber footing
a structural system without a complete vertical load carrying space frame
bearing wall system
base isolation system
braced frame
building frame system
is an essentially vertical truss system of the concentric or eccentric type which is provided to resist lateral forces
bearing wall system
base isolation system
braced frame
building frame system
a brace frame in which in which the members are subjected primarily to axial forces
bearing wall system
concentric brace frame
braced frame
building frame system
building frame system made with beams and columns?
trabeated
arcuated
rib
vault
building frame system made with arches
trabeated
arcuated
rib
vault
complete space frame which provides support for gravity loads
bearing wall system
concentric brace frame
braced frame
building frame system
transfer lateral forces to vertical elements of the lateral force - resisting system
collector
diaphragm
braced frame
building frame system
a horizontal system acting to transfer lateral forces to the vertical resisting elements
collector
diaphragm
braced frame
building frame system
framing system in which elements are flexure resisting
flexible element
moment resisting frame
pounding
building frame system
an element where deformation under lateral load are much higher than other elements in the building
flexible element
moment resisting frame
pounding
building frame system
happens when adjacent buildings have different swinging direction during lateral movement
cracking
shearing
pounding
Resonance
frequency content of the ground is close to buildings natural frequency
cracking
shearing
pounding
Resonance
storey where the lateral stiffness is less than 70% of the stiffness of the storey above
(a)
it is produced by using a soft storey on which has less stiffness than upper storeys to minimize inertia produced by lateral forces
short column effect
resonance effect
pendulum effect
inverted pendulum effect
happens when a column lacks length making it resistant to lateral forces which may cause structural collapse
short column effect
resonance effect
pendulum effect
inverted pendulum effect
happens when the summation of the lateral forces above structure is not considered.
storey shear
storey drift
storey collapse
storey pendulum
the displacement of one level relative to the level above or below
storey shear
storey drift
storey collapse
storey pendulum
the storey drift divided by the storey height
(a)
It is a rigid structural member designed to carry and transfer loads across spaces to supporting elements
beam
column
shear wall
bracing
It is a relatively slender structural member designed to carry axial compressive loads
beam
column
shear wall
bracing
a vertical diaphragm usually found in building cores as well as middle portion of the buildings footprint
beam
column
shear wall
bracing
a structural element for positioning, supporting, and restraining other structural members of a structural frame
beam
column
shear wall
bracing
usually found at the center of the building that serves as the main collector of axial loads from beams
(a)
what would the minimum width of the base of the beam if its height is 600mm?
270mm
200mm
180mm
250mm
what would the minimum width of the base of the beam if its height is 900mm?
270mm
200mm
180mm
250mm
minimum stirrup spacing @ splices
d/4
d/2
d/6
d/3
minimum stirrup spacing near column supports
d/4
d/2
d/6
d/3
minimum stirrup spacing farther from supports
d/4
d/2
d/6
d/3
given a beam of with a dimension of 250mm x 500mm what would be the stirrup spacing after 1 meter length from supports?
400
300
200
255
given a beam of with a dimension of 250mm x 500mm what would be the stirrup spacing after 0.075 meter length from supports?
100
125
200
150
what would be the seismic hoop of a 10mm stirrup for a 250mm x 500mm beam
95mm
75mm
60mm
100mm
what would be the seismic hoop of a 16mm stirrup for a 500mm x 1000mm beam
95mm
75mm
60mm
100mm
at what angle should seismic hooks be bent?
(a)
hoops or stirrup spacing shall not exceed how long?
400
300
200
255
which of the following is an acceptable formula for determining minimum stirrup spacing
height of beam divided by 8
8 multiplied by diameter of bar
diameter of bar divided by 8
height of beam multiplied by 8
the first hoop or stirrup must be spaced (a) from the column face
what would be the minimum dimension of a column whose longer dimension is 1200mm?
500
480
600
1200
how many 16mm main reinforcement bars must be used in a 400mm x 400mm column, assume that the column is 5 meters high.
10
8
6
4
how many 32mm main reinforcement bars must be used in a 1200mm x 480mm column, assume that the column is 10 meters high.
10
8
12
16
what would be the parallel dimension of a column to a beam it carries supposing the beam has 16mm main rebars
420
400
350
320
maximum spacing of column ties in beam joints
150mm
200mm
125mm
175mm
