Situation 1. For the steel framing plan shown in Figure 1, use the tributary area method to distribute the floor loads to the supporting structural members. The girders are made of W410x46 while the beams are W360x33. Compute the maximum shear and bending moments for girders 3G-1, 3G-2, and 3G-4 by considering the following: a. the entire floor area is to carry a floor live load of 4.8 kPa and a superimposed dead load of 0.6 kPa; b. the thickness of the slab is 150 mm and framing dimensions are in mm; c. use unit weight of concrete of 23.5 kN/m³: d. include the self-weight of the beams and girders; e. your final answer should be based on the shear and moment diagrams of the corresponding girders; and discuss the critical and important assumptions made in your ideal model and solution. f. (A 2000 2000 1500 1500 1500 3G - 1 3G - 2 (2 3G - 1 3G - 2 GIRDERS CROSS-SECTION BEAMS CROSS-SECTION W410 x 46 W360 x 33 Area = 5890 mm2 Area = 4170 mm2 Figure 1 3500 3G - 3 3B – 1 3G -4 3B – 2 3B -2 3G -5

Situation 1. For the steel framing plan shown in Figure 1, use the tributary area method to distribute the floor loads to the supporting structural members. The girders are made of W410x46 while the beams are W360x33. Compute the maximum shear and bending moments for girders 3G-1, 3G-2, and 3G-4 by considering the following: a. the entire floor area is to carry a floor live load of 4.8 kPa and a superimposed dead load of 0.6 kPa; b. the thickness of the slab is 150 mm and framing dimensions are in mm; c. use unit weight of concrete of 23.5 kN/m³: d. include the self-weight of the beams and girders; e. your final answer should be based on the shear and moment diagrams of the corresponding girders; and discuss the critical and important assumptions made in your ideal model and solution. f. (A 2000 2000 1500 1500 1500 3G - 1 3G - 2 (2 3G - 1 3G - 2 GIRDERS CROSS-SECTION BEAMS CROSS-SECTION W410 x 46 W360 x 33 Area = 5890 mm2 Area = 4170 mm2 Figure 1 3500 3G - 3 3B – 1 3G -4 3B – 2 3B -2 3G -5

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Situation 1.
For the steel framing plan shown in Figure 1, use the tributary area method to distribute the floor loads
to the supporting structural members. The girders are made of W410x46 while the beams are W360x33. Compute
the maximum shear and bending moments for girders 3G-1, 3G-2, and 3G-4 by considering the following:
a. the entire floor area is to carry a floor live load of 4.8 kPa and a superimposed dead load of 0.6 kPa;
b. the thickness of the slab is 150 mm and framing dimensions are in mm;
c. use unit weight of concrete of 23.5 kN/m3;
d. include the self-weight of the beams and girders;
e. your final answer should be based on the shear and moment diagrams of the corresponding girders; and
f.
discuss the critical and important assumptions made in your ideal model and solution.
A
B
1500
2000
2000
1500
1500
3G - 1
3G - 2
-I-
2.
3G - 1
3G - 2
GIRDERS CROSS-SECTION
W410 x 46
BEAMS CROSS-SECTION
W360 x 33
Area = 5890 mm2
Area = 4170 mm2
Figure 1
00s8
3G – 3
3B – 1
3G – 4
3B – 2
3B – 2
3G - 5

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