Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
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Chapter 6, Problem 6.8.9P
To determine
(a)
The design for a drift index using LRFD.
To determine
(b)
The design for a drift index using ASD.
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An over hanging beam ABC of length 10 m (including over hang portion) is shown in the figure below. The
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2. Given a simply supported beam shown in figure below with the cross section at
maximum moment. The beam supports a uniform service dead load of WDL =30 kN/m
(excluding own weight of beam), PLL = 270 kN. Use fc' = 30 MPa; fy = 400 MPa.
Calculate design strength M, for the cross section shown in the figure. Check the
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P,
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75
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A bridge girder AB on a simple span of length L = 20 m supports a distributed load of maximum intensity q at midspan and minimum intensity q/2 at supports A and B that includes the weight of the girder (see figure). The girder is constructed of three plates welded to form the cross section shown.
(a) Determine the maximum permissible load q based upon an allowable bending stress sigma = 140 MPa. Round to the nearest tenth.
qmax = ___ kN/m
(b) Determine the maximum permissible load q based upon an allowable shear stress Tau = 60 MPa. Round to the nearest tenth.
qmax = ___ kN/m
Chapter 6 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 6 - Prob. 6.2.1PCh. 6 - Prob. 6.2.2PCh. 6 - Prob. 6.6.1PCh. 6 - Prob. 6.6.2PCh. 6 - Prob. 6.6.3PCh. 6 - The member shown in Figure P6.6-4 is part of a...Ch. 6 - Prob. 6.6.5PCh. 6 - Prob. 6.6.6PCh. 6 - Prob. 6.6.7PCh. 6 - Prob. 6.6.8P
Ch. 6 - Prob. 6.6.9PCh. 6 - Prob. 6.6.10PCh. 6 - Prob. 6.6.11PCh. 6 - Prob. 6.6.12PCh. 6 - Prob. 6.6.13PCh. 6 - Prob. 6.7.1PCh. 6 - Prob. 6.7.2PCh. 6 - Prob. 6.8.1PCh. 6 - Prob. 6.8.2PCh. 6 - Prob. 6.8.3PCh. 6 - Prob. 6.8.4PCh. 6 - Prob. 6.8.5PCh. 6 - Prob. 6.8.6PCh. 6 - Prob. 6.8.7PCh. 6 - Prob. 6.8.8PCh. 6 - Prob. 6.8.9PCh. 6 - Prob. 6.8.10PCh. 6 - Prob. 6.9.1PCh. 6 - Prob. 6.9.2P
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- A beam constructed from 2-in. by 8-in. boards has the cross section shown in the figure. If the maximum bending moment acting in the beam is M= 16 000 lb ft, determine the maximum bending stress in (a) board A; and (b) board B.arrow_forwardis strengthened by bolting two cover The wide-flange beam shown in Fig. plates 160 mm by 20 mm to the top and bottom flanges. If the maximum flexure stress is 140 MPa, compute the total force (a) in each cover plate and (b) in each flange. Neglect the weakening effect of the bolt holes. 160 mm 20 mm 20 mm 320 mm 20 mm €20 mmarrow_forwardCalculate the maximum flexural stress in 300mm by 600 mm rectangular beam if the applied moment is 20 kN.m Group of answer choices a.330 MPa b. 1.11 MPa c. 2.22 MPa d. 660 MPaarrow_forward
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- length=7m height=250mm UDL on the beam=38.5KN/M d=812mm Mass of the beam=65.9kg/m a. Consider design loads( udl+self weight) b. Calculate and draw the Bending Moment Diagram (BDM).What is the value of the maximum bending moment? c. Calculate and draw the Shear Force Diagram (SFD).What is the value of the maximum shear force? d. Using the table, calculate the maximumdeflection of the beam.arrow_forwardThe beam shown here is made of wood with an allowable shear stress of τall = 1100 psi. If PB = 5 kips, determine the maximum allowable force PC that can be applied on the structure before the beam fails in shear.[LAB= 2 ft, LBC= 2 ft, LCD= 1.5 ft, b = 1.25 in., h = 7 in.] Determine the maximum value of the first moment of area (Q) for the beam. (in^3) Determine the maximum allowable force at C (PC) that can be applied on the structure before it fails in shear. (kips)arrow_forwardThe bridge truss shown carries the following uniform live load and concentrated live load. A B C D E 3m K FA G H se8m W(LL) P(LL) 15 110 Calculate the following: 9. Maximum force on member BCarrow_forward
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