Select the lightest W section to carry an axial compression of 90 kips dead load and 320 kips live load. The member is part of a braced frame. The idealized support condi- tions are that the member is hinged in both principal directions at the top of a 30 f height; supported in the weak direction at 1- and 22 ft from the bottom; and fixed in bot directions at the bottom. Use (a) A992 steel

Select the lightest W section to carry an axial compression of 90 kips dead load and 320 kips live load. The member is part of a braced frame. The idealized support condi- tions are that the member is hinged in both principal directions at the top of a 30 f height; supported in the weak direction at 1- and 22 ft from the bottom; and fixed in bot directions at the bottom. Use (a) A992 steel

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

[1.] a.) If the F = { - 200i + 400j } N , determine the force in each member and state if its in compressions or tension (Cartesian) b.) Using the same given, if the members have a square cross-section with a diagonal of 11.31cm and thickness of 1cm, determine the axial stressess and the factors of safety on each of the member, if the maximum allowable tensile strength is 60kPa and the maximum allowable compressive strength is 70kPa Note : Complete solutions, indicated table data, free body diagrams and proper units UP VOTING! THANK YOU!
A cantilever beam of 7.4—ft(2.20—m) span carries a uniform dead load of 685 Ib/ft(10kN/m) and a concentrated live load of 18k (80 kN) at a distance 3ft(0.9m) from the face of the support. design the beam for moment and shear using the strength design method. given: f’c=3ksi (21 MPa), fy=60 ksi (420 MPa), b=8in. (200mm) and use p=3/4pmax
The rigid beam is supported by a pin at C and an A992 steel guy wire AB of length 6 ft. If the wire has a diameter of 0.2 in., determine the distributed load w if the end B is displaced 0.12 in. downward. The wire remains elastic.
A W section steel purlin span 6.7 m between roof trusses on centers. The roof is assumed to support a dead load of 880 N/m2 of roof surface including self-weight and a live load of 816 N/m2 of horizontal roof surface projection. The slope of the roof truss is 1 vertical to 2 horizontal and the purlins are spaced 1 m on centers. Use A36 with Fy = 248 MPa. Assume all loads pass through the center of gravity of the section. Sag rods are to be placed at the middle thirds between trusses. Determine the ratio of the actual to the allowable bending stress. DO NOT ROUND-OFF DURING THE COURSE OF SOLVING. ANSWER IN FOUR DECIMAL PLACES. Properties of W Section A = 2,887 mm2 d = 192.5 mm bf = 100.7 mm tf = 10.82 mm Sx = 174,900 mm3 Sy = 36,133 mm3 tw = 6.1 mm Use the following allowable stresses (NSCP 2001): For bending about strong axis, Fbx=0.66 Fy For bending about weak axis, Fby=0.75Fy
BAL=8 mt = 13 mm-150 mm113 mmFor the steel column with both ends fixed against rotation having a tubularcross-section, determine the allowable load Pall against buckling. E=200 GPa andOy=250 MPa.
s shown in the sketch, an interior column AB in a steel frame carries a factored axialcompressive load, Pu = 1540 kips. The column is braced at the top and bottom and the mid-height in the perpendicular plane, and sidesway in the plane of the steel frame is allowed. Thecolumns are 12-ft long, and the columns above and below the column AB are the same size asAB. The adjacent girders are W 18×50 and are 32-ft long. Use A992 steel with Fy = 50 ksi,select the lightest W-section for the column AB. Use stiffness reduction factor where applicable.
9. A Wide Flange section is used as a beam. The base N of the bearing plate under the load and on top of the reaction is 86 mm. Properties: k = 32 mm tw =11mm Fy = 248 Mpa Determine the allowable concentrated load at a distance from beam and that the web could support to prevent web yielding.
Determine the positive nominal flexural strength Mn of the T-beam in the figure below. Assume f’c=21MPa and fy = 420MPa a. Determine the effective width of the flange if the clear spacing of the beams is 2m while the clear span length of the beam is 3m. b. Determine the Nominal Moment Capacity of the bear considering that the diameter of stirrup is 10mm and the concrete cover is at 40mm. Provide illustration if necessary and answers must be in 3 decimal places.
For the frame loaded as shown, draw the complete and correct FBDs of thefollowing: whole frame, member BE, member HK, pulley D, pulley J, member CDEHJwithout the pulleys, and pin B. If block G weighs 133 N, determine all the forcesacting on member CDEHJ (i.e. Cx, Cy, Dx, Dy, FBE, FHK, Jx and Jy). Also, calculate thehorizontal (ABCBx) and vertical (ABCBy) components of the reactions betweenmember ABC and pin B.
The rectangular beam with a span length of 7.2 m has an effective depth, d = 430mm and a width of 250mm. It has 2-legged 10mmØ stirrups spaced at 130 mm on centers all throughout the beam length. Determine the maximum wu that the beam can carry based on the shear capacity of the beam. Use fc' = 21MPa and Grade 40 rebars. a. Adopt smaller of S' : S'1 = Avfy / (0.062b√f'c) S'2 = Avfy / (0.35b) b. S" = (0.062/0.33) / S'1 c. 1. if S > S' ; ØVn = Ø 0.5Vc 2. if S"<S<S' ; Smax = least of S' or d/2 or 600mm i. S> Smax ; ØVn = Ø 0.5Vc ii. S< Smax ; ØVn = Ø (Vc + ( Avfyd / S ) ) 3. if S < S" ; Smax = least of S' or d/4 or 300mm i. S> Smax ; Vs = 0.33√f'c bwd ØVn = Ø (Vc + 0.33√f'c bwd) ii. S< Smax ; ØVn = Ø (Vc + ( Avfyd / S ) ) Find: 1. Vc 2. s' and s'' 3. smax 4. ØVn 5. Wu
pls answer a, b ,c and highlight the answer A 5.50m beam (425mm by 525mm) is fixed support on one side and roller support on the other side carries a uniform load all throughout its length. It is reinforced with 4D20mm (tension) and two D16mm (compression). Taking fc’=33MPa, fy=415MPa, clear cover=40mm and dv=10mm. a. Determine the balanced moment, kN-m. b. Determine the maximum moment assuming using the NSCP 2015. c. Determine the superimposed dead load it can carry if the beam carries a live load of 20kN-m.
A short rectangular column 300 mm on one side and 400 mm on the other side. It is reinforced with 8-20-mm-diameter (28) longhitudinal bars equally distributed to the shorte sides of the column. Use f'c = 21 MPa and fy = 415 MPa. Calculate the required spacing of 10-mm-diameter ties, s (mm). Calculate the nominal axial strength of the column, Pn (kN). Calculate the maximum ultimate axial load the column can carry, Pu (kN)