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 9, Problem 9.2.1P
A
a. Use LRFD.
b. Use ASD.
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Chapter 9 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 9 - Prob. 9.1.1PCh. 9 - Prob. 9.1.2PCh. 9 - Prob. 9.1.3PCh. 9 - Prob. 9.1.4PCh. 9 - Prob. 9.1.5PCh. 9 - Prob. 9.1.6PCh. 9 - A W1422 acts compositely with a 4-inch-thick floor...Ch. 9 - Prob. 9.2.2PCh. 9 - Prob. 9.3.1PCh. 9 - Prob. 9.3.2P
Ch. 9 - Prob. 9.4.1PCh. 9 - Prob. 9.4.2PCh. 9 - Prob. 9.4.3PCh. 9 - Prob. 9.4.4PCh. 9 - Prob. 9.4.5PCh. 9 - Prob. 9.5.1PCh. 9 - Prob. 9.5.2PCh. 9 - Prob. 9.5.3PCh. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Prob. 9.7.1PCh. 9 - Prob. 9.7.2PCh. 9 - Prob. 9.7.3PCh. 9 - Prob. 9.7.4PCh. 9 - Prob. 9.8.1PCh. 9 - Prob. 9.8.2PCh. 9 - A beam must be designed to the following...Ch. 9 - Prob. 9.8.4PCh. 9 - Prob. 9.8.5PCh. 9 - Prob. 9.8.6PCh. 9 - Prob. 9.8.7PCh. 9 - Prob. 9.8.8PCh. 9 - Use the composite beam tables and select a W-shape...Ch. 9 - Prob. 9.8.10PCh. 9 - Prob. 9.10.1PCh. 9 - Prob. 9.10.2P
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- PLEASE WRITE YOUR COMPLETE SOLUTION AND BOX THE FINALS ANSWERS. THANK YOU. A composite bar consists of steel segments with different cross-sections are rigidly fastened as shown. Axial loads are applied at the positions indicated. The stress must not exceed 116 MPa in tension, and 77 MPa in compression. Determine the following: (a) the safe value of P to the nearest safe 1 kN, if the diameter of segment 1 is 100 mm; (b) the required side length of the equilateral triangle segment 2 to the nearest safe 25 mm; and (c) the required side length of the regular pentagon segment 3 to the nearest safe 25 mm.arrow_forwardProblem 1. The composite beam shown below carries a cantilevered load of 10 kN. The beam consists of one 30 x 124 mm plate and four 12 x 50 mm plates. They are pinned together at 120 mm intervals with round pins. The pin material has a shear strength of 159 MPa. Compute the minimum acceptable diameter for the pins. O O O O O O O -0 O 0- O 1000 mm Do O -120 mm (typ) O O O P = 10 KN 30 x 124 mm 12 x 50 mm (typ)arrow_forwardGive me right solution with clear calculationsarrow_forward
- A two span beam subjected to shear and flexure only is reinforced as follows: @ FACE OF SUPPORTS SECTION TOP BARS BOTTOM BARS @ MIDSPAN 2-020 mm 5-020 mm 3-020 mm 2-020 mm Given: Stirrup diameter, de = 10 mm Concrete fe = 21 MPa Steel rebar fy = 415 MPa Stirrup fy = 275 MPa Beam size b xh= 270 mm x 450 mm Assume all bars laid out in single layer. Calculate the following: Tensile steel ratio in positive bending at midspan = (in 5 decimal places) Design Moment strength of section at midspan for positive bending = kN m (nearest whole number) Nominal Moment strength of section at face of support for negative bending = kN-m (nearest whole number)arrow_forwardAn HSS9 x 7 x3⁄8 filled with concrete is used as a composite column, as shown in Figure. The steel has a yield stress of Fy = 46 ksi, and the concrete has a compressive strength of f ,c =4 ksi. Compute the nominal strength of the column.arrow_forwardA simply supported beam is reinforced with 4-ø28 mm at the bottom and 2-ø20 mm at the top of the beam, Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc'=28 MPa, fy=415 MPa. Assume bars laid out in single layer. Calculate the following if the limitin tensile steel strains is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = _____________mm Design strength of the beam section to the nearest whole number =____________ kN-m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = _____________ kN/m (to the nearest whole number)arrow_forward
- A simply supported beam is reinforced with 5-p25 mm at the bottom and 2-020 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc'= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = mm Design strength of the beam section to the nearest whole number = kN -m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)arrow_forwardProblem Solving: A rectangular beam has dimensions of 250 mm by 625 mm with an effective depth (distance from extreme fiber in tension to the centroid of the reinforcing bars) of 575 mm and is reinforced with three 25 mmp. The concrete cylinder strength f.' = 27.6 MPa and the tensile strength in bending (modulus of rupture) is 3.28 MPa. The yield point of the steel is 414.7 MPa. The beam carries a bending moment of 61 kN.m. E_ = 200000 MPa. E_ = 4700,f. Using the transformed area method, determine the stress in the extreme fiber in compression.arrow_forwardRequired information A composite beam is made by attaching the timber and steel portions shown with bolts of 12-mm diameter spaced longitudinally every 200 mm. The modulus of elasticity is 10 GPa for the wood and 200 GPa for the steel. The vertical shear is 4.4 kN. 12 mm 250 mm 12 mm 150 mm- Determine the average shearing stress in the bolts. (Round the final answers to two decimal places.) The average shearing stress in the bolts is MPa.arrow_forward
- 2. Determine if the composite beam pictured below is adequate for this application (this includes bending, shear, deflection and shear stud limit states). The dead load for this beam is 10 psf plus the weight of the deck, which is made from normal weight concrete. I 5" 5" Normal weight slab fc=4000 psi W24x94 Span length = 30' Service Live Load = 100 psf 3/4" Diameter Shear Connectors 8' o.c. typical Fu=60 ksi (shear connectors)arrow_forwardWhat is the characteristic strength of a mild steel reinforcement bar? Select one: O a. 415 N 415 N/mm O C. 250 N d. 250 N/mmarrow_forwardA simply supported beam is 25 × 50 cm deep and has 2-20 mm Fe415 grade steel bars going into the support shown in figure below. If the shear force at the centre of support is 110 kN at service loads. Assume M20 mix, design bond stress (ta) = 1.2 MPa. Take clear cover to steel = 25 mm 2-20 mmo with referecne to the information provided, (a) The required development length (b) The anchorage length 00 mmarrow_forward
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