Correlation 2 Vol. 3

STUCTURAL ENGINEERING CONSTRUCTION
NOVEMBER 2013
Situation 16 - The concrete pad shown

in figure is subjected to uniform loads.
47. Determine the base pressure.
A. 96 kN/m B. 104 kN/m
C. 192 kN/m D. 128 kN/m

NOVEMBER 2013

47. Determine the base pressure.
A. 96 kN/m
NOVEMBER 2013

48. Determine the maximum moment in
the slab.
A. 436 kN-m B. 384 kN-m
C. 336 kN-m D. 192 kN-m

NOVEMBER 2013

49. Determine the location of zero
bending moment measured from the
left end of the slab.
A. 5 m B. 7 m
C. 4 m D. 6 m
NOVEMBER 2013
NOVEMBER 2013
Situation 17 - The barge shown in the figure

supports the load w1 and w2. For this
problem, w₁=145kN/m, w2=290 kN/m, L1=3m,
L2=6m, L3=3m.
50. What is the length of the barge "L" so
that the upward pressure is uniform.
A. 15 m B. 12 m
C. 20 m D. 18 m
NOVEMBER 2013
Situation 17 - The barge shown in the figure

supports the load w1 and w2. For this
problem, w₁=145kN/m, w2=290 kN/m, L1=3m,
L2=6m, L3=3m.
51. What is the shear at 3 m from the left
end?
A. -162 kN B. -151 kN
C. -194 kN D. -174 kN
NOVEMBER 2013
Situation 18- The semi-circular arch is loaded

as shown in the 'Figure. For this problem,
P₁=1.8kN, P2=0.90kN, and P3=0.45 kN.
53. What is the resultant of the three
forces?.
A. 2.04 kN B. 3.12 kN
C. 2.85 kN D. 2.46 kN
NOVEMBER 2013
Situation 18- The semi-circular arch is loaded

as shown in the 'Figure. For this problem,
P₁=1.8kN, P2=0.90kN, and P3=0.45 kN.
54. Determine the reaction at B.
A. 1.75 kN B. 1.63 kN
C. 1.06 kN D. 1.24 kN
NOVEMBER 2013
Situation 18- The semi-circular arch is loaded as shown in the figure. For this
problem, P₁=1.8kN, P2=0.90kN, and P3=0.45 kN.
56. A 6 m long timber beam 220 mm wide by 400 mm deep is simply supported at
its ends and carries a uniformly distributed load throughout its length. If the
allowable deflection is L/360, find w. Use E=9.5GPa..
A. 14 kN/m B. 13 kN/m
C. 12 kN/m D. 11 kN/m
NOVEMBER 2013
Situation 18- The semi-circular arch is loaded as shown in the figure. For this
problem, P₁=1.8kN, P2=0.90kN, and P3=0.45 kN.
57. A 10-meter long beam is simply supported at the right end and at 2 meters
from the left end. It is required to determine the maximum shear at the middle of
the supported length due to a uniformly distributed moving load. What is the total
length of the beam that must be subjected by the uniform load?
A. 4 m B. 6 m
C. 3 m D. 5 m
NOVEMBER 2013
Situation 19 Classify the structures shown in Figure 346-23a as stable, unstable

determinate or indeterminate. If indeterminate, state the degree of indeterminacy.
A. Indeterminate to the second

B. Unstable
degree
D. Indeterminate to the first

C. Determinate
degree
NOVEMBER 2013
Situation 19 Classify the structures shown in Figure 346-23b as stable, unstable

A. Indeterminate to the second B. Indeterminate to the third

degree degree
D. Indeterminate to the first

C. Unstable
degree
NOVEMBER 2013
Situation 19 Classify the structures shown in Figure 346-23c as stable, unstable

A. Indeterminate to the third

B. Unstable
degree
C. Indeterminate to the first D. Indeterminate to the second

degree degree
NOVEMBER 2013
Situation 20- The floor framing plan of a commercial building is shown in the
Figure. When the columns at E and H are deleted, beam BEHK becomes a
single-span girder which can be assumed fixed at B and K. The concentrated
load on girder BEHK at E and H are each 272 kN and the uniform load on the
entire span is 5 KN/m.
62. Determine the maximum shear at E.
A. 278.25 kN-m B. 296.34 kN-m
C. 245.75 kN-m D. 260.78 kN-m

NOVEMBER 2013
Situation 20- The floor framing plan of a commercial building is shown in the
Figure. When the columns at E and H are deleted, beam BEHK becomes a
single-span girder which can be assumed fixed at B and K. The concentrated
load on girder BEHK at E and H are each 272 kN and the uniform load on the
entire span is 5 KN/m.
63. What is the maximum positive moment in the beam?
A. 204.7 kN-m B. 198.5 kN-m
C. 268.7 kN-m D. 238.4 kN-m

NOVEMBER 2013
Situation 21 - The steel truss shown in the Figure is loaded with three
concentrated loads applied at B, D, and F. Use Fy=248MPa and E=200Gpa
64. Determine the reaction at G.
A. 14 kN B. 27 kN
C. 26 kN D. 21 kN-m
NOVEMBER 2013
65. What is the axial stress in member DI?
A. 4.53 MPa B. 6.24 MPa
C. 5.28 MPa D. 7.32 MPa

NOVEMBER 2013
66. What is the allowable load of member DI. Given the following properties of Di
Area = 1858 mm², rx = 26.7 mm, ry = 34 mm.
A. 98.5 kN B. 104.9 kN
C. 112.5 kN D. 126.4 kN
NOVEMBER 2013
Situation 22 - The entrance of a building has a roof that supports the load "w" as
shown in the Figure. The supports at A and B can be considered hinge. The
column AC is fixed at C.
Properties of AC: l= 445x106 mm² d= 466.10 mm
A= 11,355 mm² E= 200 GPa
rx= 190.11 mm Fy= 248 MPa
ry= 43.02 mm
67. Compute the allowable axial load on member AC. Use 2001 NSCP.
A. 1156 kN B. 952 kN
C. 1039 kN D. 1234 kN
NOVEMBER 2013
A= 11,355 mm² E= 200 GPa
rx= 190.11 mm Fy= 248 MPa
ry= 43.02 mm
68. If the allowable load on AC is 900 kN, compute the value of w.
A. 144 kN/m B. 136 kN/m
C. 120 kN/m D. 112 kN/m

NOVEMBER 2013
A= 11,355 mm² E= 200 GPa
rx= 190.11 mm Fy= 248 MPa
ry= 43.02 mm
69. If the load w=112 kN/m, compute for the load on AC.
A. 800 kN B. 850 kN
C. 700 kN D. 750 kN
NOVEMBER 2013
Situation 23- The deck of a bridge consist of ribbed metal deck with 100 mm
concrete slab on top (See Figure 16-19). The superstructure supporting the deck
is made of wide flange steel beams strengthened by cover plate 16 mm x 275
mm one at the top and one at the bottom, and is spaced 1.2 m on centers. The
beams are simply supported over a span of 25 m. The loads on each beam are
as follows:
Dead load 12 kN/m (including beam weight and deck)
Wheel live loads: Properties of W 850 x 185 :
Front wheel = 17.8 kN A = 23.75mm2 tf= 20mm
Rear wheel = 71.2 kN d = 850mm tw= 15mm
Wheel base = 4.75 m bf = 290mm Ix= 2662x106 mm4
Impact factor= , where L= length in m Iy=81.52x106 mm4
NOVEMBER 2013
70. Calculate the maximum bending stress in the beam due to dead load.
A. 90.25 MPa B. 88.45 MPa
C. 98.66 MPa D. 95.86 MPa

NOVEMBER 2013
71. Calculate the maximum bending stress in the beam due to live load plus
impact.
A. 60.2 MPa B. 86.3 MPa
C. 72.5 MPa D. 65.4 MPa

NOVEMBER 2013
72. Calculate the maximum average web shear stress in the beam due to live
load plus impact.
A. 7.54 MPa B. 10.21 MPa
C. 8.34 MPa D. 9.32 MPa

NOVEMBER 2013
Situation 24- Channel sections are used as a purlin. The top chords of the truss
are sloped at 4H to 1V. The trusses are spaced 6 m on centers and the purlins
are spaced 1.2 m on centers.
Loads: Properties of C200 x 76
Dead Load = 550Pa Sx = 6.19x104 mm3 Weight, w= 79N/m
Live Load = 720Pa Sy = 1.38x104 mm3
Wind load= 1440Pa Allowable bending stresses, Fbx= Fby= 207MPa
Wind coefficients: Windward = 0.2; Leeward= 0.6
73. Determine the computed bending stress, fbx due to combination of dead and
live loads only.
A. 196 MPa B. 176 MPa
C. 113 MPa D. 151 MPa

NOVEMBER 2013
74. Determine the computed bending stress, fby due to combination of dead and
live loads only.
A. 169 MPa B. 127 MPa
C. 143 MPa D. 103 MPa

NOVEMBER 2013
75. Determine the value of the interaction equation using the load combination of
0.75(D+L+W) at the windward side.
A. 0.96 B. 1.59
C. 1.25 D. 1.87
NOVEMBER 2013
Situation 25- The section of a solid
concrete beam is shown in the Figure. Unit
weight of concrete is 23.5 kN/m³. f’c = 27.5
MPa, fct= 2.75 MPa. The beam is simply
supported over a span of 5 m.
76. What is the cracking moment of the
beam?
A. 46.32 kN-m B. 72.15 kN-m
C. 61.25 kN-m D. 55.55 kN-m

NOVEMBER 2013
Situation 25- The section of a solid concrete
beam is shown in the Figure. Unit weight of
concrete is 23.5 kN/m³. f’c = 27.5 MPa, fct=
2.75 MPa. The beam is simply supported
over a span of 5 m.
77. If the cracking moment of the beam is
40 kN-m, what is the maximum superimposed
uniform load can the beam carry?
A. 8.86 kN/m B. 9.65 kN/m
C. 7.54 kN/m D. 14.36 kN/m

NOVEMBER 2013
Situation 25- The section of a solid concrete
beam is shown in the Figure. Unit weight of
concrete is 23.5 kN/m³. f’c = 27.5 MPa, fct=
2.75 MPa. The beam is simply supported over
a span of 5 m.
78. If the beam is reinforced with 3-25-mm-
diameter bars placed 435 mm from the top,
what is the new cracking moment? Assume
n=8
A. 71.45 kN/m B. 65.22 kN/m
C. 68.57 kN/m D. 60.87 kN/m

NOVEMBER 2013
Situation 26 - A reinforced concrete beam has a width of 300 mm and an overall

depth of 400 mm. The beam is reinforced with four 28-mm-diameter tension bars
and two 28-mm diameter compression bars. Use fc = 20.7 MPa and fy = 415 MPa.
Distance from centroid of bars to extreme concrete fiber is 70 mm.
79. Calculate the depth of compression block
A. 122 mm B. 134 mm
C. 114 mm D. 134 mm
NOVEMBER 2013

80. What is the ultimate moment capacity of the section?
A. 214.7 kN-m B. 271.6 kN-m
C. 244.4 kN-m D. 238.7 kN-m

NOVEMBER 2013

81. If the beam is simply supported over a length of 6 m, what additional
concentrated live load can be applied at the midspan if its ultimate moment
capacity is 400 kN-m? Unit weight of concrete is 23.5 kN/m³.
A. 200 kN B. 125 kN
C. 150 kN D. 175 kN
NOVEMBER 2013
Situation 27 - The floor framing plane of a reinforced concrete is shown in Figure
C100-21. Beam DEF is poured monolithically with the slab making it to be
considered as T-beam. The columns are each 350 mm x 350 mm. The NSCP
coefficients for continuous beam is also given in Figure CODE-523. For this problem,
t = 100 mm, h = 500 mm, bw= 350 mm, fy = 415 MPa, fe=28 MPa, fy = 275 MPa.
NOVEMBER 2013
82. Calculate the factored uniform load wu, that the beam can carry based on the
design strength of the beam at support.
A. 69.1 kN/m B. 54.7 kN/m
C. 72.5 kN/m D. 63.3 kN/m

NOVEMBER 2013
83. Calculate the factored uniform load wu, that the beam can carry based on the
design strength of the beam at midspan.
A. 65.2 kN/m B. 61.2 kN/m
C. 72.4 kN/m D. 58.7 kN/m

NOVEMBER 2013
84. If the factored uniform load wu = 60 kN/m, determine the required nominal
shear strength at critical section near the support E.
A. 195 kN B. 199 kN
C. 164 kN D. 187 kN
NOVEMBER 2013
Situation 28 - For the column shown in the
Figure, f’c = 28MPa fy = 415MPa, flexural
rigidity El = 910,000 N-m2 effective length
factor K = 0.70. Calculate the following:
85. The location of the plastic centroid
measure from line
A. 300 mm B. 250 mm
C. 375 mm D. 350 mm
NOVEMBER 2013
86. The Euler critical load.
A. 2121 kN B. 2424 kN
C. 1875 kN D. 2850 kN
NOVEMBER 2013
87. The nominal axial load capacity of the
column.
A. 8983 kN B. 8507 kN
C. 8245 kN D. 5955 kN
NOVEMBER 2013
Situation 29-The section of a concrete
column is shown in the Figure. The
column is reinforced with ten 25-mm-
diameter bars with fy = 415 MPa. Use
f’c = 21 MPa.
88. Determine the location of the
geometric centroid measured from line 1.
A. 256.3 mm B. 248.5 mm
C. 263.4 mm D. 234.1 mm
NOVEMBER 2013
diameter bars with fy = 415 MPa. Use
f’c = 21 MPa.
89. Determine the location of the plastic
centroid measured from line 1.
A. 257 mm B. 269 mm
C. 245 mm D. 276 mm
NOVEMBER 2013
diameter bars with fy = 415 MPa. Use f’c
= 21 MPa.
90. Given that the plastic centroid is 280
mm from line 1 and that a load P =
6500KN is located 400 mm from line 1,
what is the moment due to P?
A. 780 kN-m B. 730 kN-m
C. 805 kN-m D. 652 kN-m

NOVEMBER 2013
Situation 30- An isolated rectangular
footing is subjected to a vertical load of
P and a horizontal force of H as shown
in the Figure. For this problem, P = 2100
kN and H = 120 kN.
91. What is the maximum soil pressure at
the base of the footing?
A. 345.2 kPa B. 408.7 kPa
C. 366.4 kPa D. 387.4 kPa

NOVEMBER 2013
kN and H = 120 kN.
92. What is the minimum soil pressure at
the base of the footing?
A. 224.7 kPa B. 287.6 kPa
C. 241.6 kPa D. 193.6 kPa

NOVEMBER 2013
kN and H = 120 kN.
93. What is the minimum permissible
foundation pressure?
A. 426.3 kPa B. 408.7 kPa
C. 385.4 kPa. D. 324.1 kPa

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STUCTURAL ENGINEERING CONSTRUCTION

Situation 16 - The concrete pad shown

A. 96 kN/m B. 104 kN/m

C. 192 kN/m D. 128 kN/m

Situation 16 - The concrete pad shown

Situation 16 - The concrete pad shown

A. 436 kN-m B. 384 kN-m

C. 336 kN-m D. 192 kN-m

Situation 16 - The concrete pad shown

Situation 17 - The barge shown in the figure

Situation 17 - The barge shown in the figure

Situation 18- The semi-circular arch is loaded

Situation 18- The semi-circular arch is loaded

Situation 19 Classify the structures shown in Figure 346-23a as stable, unstable

A. Indeterminate to the second

D. Indeterminate to the first

Situation 19 Classify the structures shown in Figure 346-23b as stable, unstable

A. Indeterminate to the second B. Indeterminate to the third

D. Indeterminate to the first

Situation 19 Classify the structures shown in Figure 346-23c as stable, unstable

A. Indeterminate to the third

C. Indeterminate to the first D. Indeterminate to the second

A. 278.25 kN-m B. 296.34 kN-m

C. 245.75 kN-m D. 260.78 kN-m

A. 204.7 kN-m B. 198.5 kN-m

C. 268.7 kN-m D. 238.4 kN-m

A. 4.53 MPa B. 6.24 MPa

C. 5.28 MPa D. 7.32 MPa

A. 144 kN/m B. 136 kN/m

C. 120 kN/m D. 112 kN/m

A. 90.25 MPa B. 88.45 MPa

C. 98.66 MPa D. 95.86 MPa

A. 60.2 MPa B. 86.3 MPa

C. 72.5 MPa D. 65.4 MPa

A. 7.54 MPa B. 10.21 MPa

C. 8.34 MPa D. 9.32 MPa

C. 113 MPa D. 151 MPa

C. 143 MPa D. 103 MPa

A. 46.32 kN-m B. 72.15 kN-m

C. 61.25 kN-m D. 55.55 kN-m

A. 8.86 kN/m B. 9.65 kN/m

C. 7.54 kN/m D. 14.36 kN/m

A. 71.45 kN/m B. 65.22 kN/m

C. 68.57 kN/m D. 60.87 kN/m

Situation 26 - A reinforced concrete beam has a width of 300 mm and an overall

Situation 26 - A reinforced concrete beam has a width of 300 mm and an overall

A. 214.7 kN-m B. 271.6 kN-m

C. 244.4 kN-m D. 238.7 kN-m

Situation 26 - A reinforced concrete beam has a width of 300 mm and an overall

A. 69.1 kN/m B. 54.7 kN/m

C. 72.5 kN/m D. 63.3 kN/m

A. 65.2 kN/m B. 61.2 kN/m

C. 72.4 kN/m D. 58.7 kN/m

A. 780 kN-m B. 730 kN-m

C. 805 kN-m D. 652 kN-m

A. 345.2 kPa B. 408.7 kPa

C. 366.4 kPa D. 387.4 kPa

A. 224.7 kPa B. 287.6 kPa

C. 241.6 kPa D. 193.6 kPa