Structural Analysis (MindTap Course List)
5th Edition
ISBN: 9781133943891
Author: Aslam Kassimali
Publisher: Cengage Learning
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Chapter 2, Problem 2P
To determine
Find the axial load acting on column C of the framing system.
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Q2: The cantilever beam shown in Fig.2. is uniformly tapered along its length in both
x and y directions and carries a load of 100 kN at its free end. Calculate the forces in
the booms and the shear flow distribution in the walls at a section 3 m from the
built-in end if the booms resist all the direct stresses while the walls are effective only
in shear. Each corner boom has a cross-sectional area of 900 mm² while both central
booms have cross-sectional areas of 1200 mm².
0.4 m
100 kN
0.8 m
1.6 m
4m
0.8 m
Given. A two-story OCBF shown in Fig. 3.40c that forms part of the building
frame system in SDC E. The axial loads on the ground floor brace B1 are as follows:
Dead load D= 30 kips
Live load L= 15 kips
Seismic force QE = ±80 kips
Snow load S= 0 kips
Hydrostatic load H = 0
The redundancy coefficient p = 1.1.
Mapped two-second såpectral acceleration, Sps = 0.826 g.
Required. Determine a pipe section for brace B1, ASTM A53 Grade B steel; F, =
35 ksi, F = 60 ksi
16 ft
16 ft
Figure
-15 ft
B2
B1
--
-15 ft
B2
B1
Ordinary concentric brace frame (OCBF) example.
The floor of a building, shown in Fig. 2.6(a), is subjected to a uniformly distributed load of 3.5 kPa over its surface area.Determine the loads acting on all the members of the floor system.
Chapter 2 Solutions
Structural Analysis (MindTap Course List)
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- Q2: The cantilever beam shown in Fig.2. is uniformly tapered along its length in both x and y directions and carries a load of 100 kN at its free end. Calculate the forces in the booms and the shear flow distribution in the walls at a section 3 m from the built-in end if the booms resist all the direct stresses while the walls are effective only in shear. Each corner boom has a cross-sectional area of 900 mm? while both central booms have cross-sectional areas of 1200 mm?.arrow_forwardQ2. Determine the force in each member of the double-pitch roof truss as shown in Fig.2. State whether each member is in tension or compression. 3 m, 3 m -4 m→-4 m--4 m- 1.75 kN 2 kN 1.5 kN 2 kN _0.75 kN 6 m 1 kN D В A E - 6 m. 6 m -6 m.arrow_forward4.18. Consider the balcony-type structure shown in Fig. 4-23. The horizontal balcony is loaded by a total load of 80 kN distributed in a radially symmetric fashion. The central support is a shaft 500 mm in diameter and the balcony is welded at both the upper and lower surfaces to this shaft by welds 10 mm on a side (or leg) as shown in the enlarged view at the right. Determine the average shearing stress existing between the shaft and the weld. Ans. 2.5 MPa 94 DIRECT SHEAR STRESSES [CHAP. 4 80 kN 10 mm -500 mm 10 mm Fig. 4-23 500 mmarrow_forward
- 2-15. A truss is loaded as shown in Fig. P 2-15. Determine the resultant load on the truss. 5000 6000 2000 6 Panels 10' • 60' 10004arrow_forwardThe floor system of a gymnasium consists of a 130- mm-thick concrete slab resting on four steel beams (A = 9,100 mm2) that, in turn, are supported by two steel girders (A = 25,600 mm2), as shown in Fig. P2.7. Determine the dead loads acting on beam BF and girder AD.arrow_forwardEXAMPLE 6-16 The beam shown in Fig. 6-29a has a cross-sectional area in the shape of a channel, Fig. 6-29b. Determine the maximum bending stress that occurs in the beam at section a-a. 2.6 kN 13/12 2 m (a) 1 m. y=59.09 mm N 15 mm- -250 mm- C 20 mm AT 200 mm -15 mmarrow_forward
- A floor opening in a building is to be closed by pouring a concrete slab. The proposed framing is composed ofwood joist assumed to be simply supported and given with a total load of 4 kPa. What is the maximum flexural stress in 40 mm x 190 mm wood joist if its span is 3 m and spaced atevery 0.30 m on centers?a. 5.61 MPa c. 6.78 MPab. 7.23 MPa d. 4.65 MPa What is the maximum shearing stress in the said joists?a. 0.40 MPa c. 0.36 MPab. 0.69 MPa d. 0.54 MPaarrow_forwardDetermine the force in each member of the truss supporting a floor deck as shown in Fig. P4.29. The deck is simply supported on floor beams which, in turn, are connected to the joints of the truss. Thus, the uniformly distributed loading on the deck is transmitted by the floor beams as concentrated loads to the top joints of the trussarrow_forward4.19 and 4.20 Knowing that for the extruded beam shown the allowable stress is 120 MPa in tension and 150 MPa in compres- sion, determine the largest couple M that can be applied. 50 mm Fig. P4.19 MOLO 150 mm a hp 125 mm 125 mm M UE ■ R 80 mm 40 mm Fig. P4.20 M 54 mm ^ + 4)arrow_forward
- The floor area of an apartment building is subjected to a uniformly distributed load of 45 psf over its surface area. Determine the loads acting on the floor beams AF, BG, and CH and the girders AC and FH.arrow_forwardThis is one question.arrow_forward2. The portion of truss shown represents the upper part of a power transmission line tower. For the given loading, determine the forces in members EJ, EH, and CE. State whether each member is in tension or compression.arrow_forward
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