Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 5, Problem 5.5.3P
To determine
(a)
To find: whether W30 X 108 is adequate using LRFD.
To determine
(b)
To find: whether W30 X 108 is adequate using ASD method.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm, flange thickness of 20mm and moment of inertia Ix = 1.16x109 mm4 . Its web thickness is 10mm and has a simple span of 9m. A 40 kN/m uniform load is loaded throughout its span and 200kN load acting at midspan. Allowable bending stress of the beam is 148.8 MPa. Situation No.1.1 Determine the length of top and bottom reinforcing plates if necessary
A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm,
flange thickness of 20mm and moment of inertia Ix = 1.16x109 mm4
. Its web thickness is 10mm and has a simple
span of 9m. A 40 kN/m uniform load is loaded throughout its span and 200kN load acting at midspan. Allowable
bending stress of the beam is 148.8 MPa.
Situation No. 1
1. Determine the required section modulus without exceeding the allowable bending stress.
2. Determine the section modulus of the wide flange.
3. Determine the width of top and bottom reinforcing plates 12mm thick if necessary.
4. Determine the length of top and bottom reinforcing plates if necessary.
The beam in the figure carries a uniform load of 20 kN/m including its own weight, a concentrated load of 400 kN at 2.4 m from the left support and another concentrated load at 280 kNat 1.2 m from right end. The beam is laterally unsupported except at the two vertical ends. The beam is to be made of W 16 x 77. Use AISC Specifications for A36 steel Fy= 248.69 MPa. a. Determine the maximum bending moment of the beam.
b. Determine the maximum or actual flexural stress of the beam.
c. Determine the allowable flexural stress of the beam.
d. Is it safe to use the said steel as beam? Why?
Chapter 5 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 5 - Prob. 5.2.1PCh. 5 - Prob. 5.2.2PCh. 5 - Verify the value of Zx for a W1850 that is...Ch. 5 - Prob. 5.2.4PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Determine the smallest value of yield stress Fy,...Ch. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3P
Ch. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6PCh. 5 - Prob. 5.5.7PCh. 5 - Prob. 5.5.8PCh. 5 - Prob. 5.5.9PCh. 5 - If the beam in Problem 5.5-9 i5 braced at A, B,...Ch. 5 - Prob. 5.5.11PCh. 5 - Prob. 5.5.12PCh. 5 - Prob. 5.5.13PCh. 5 - Prob. 5.5.14PCh. 5 - Prob. 5.5.15PCh. 5 - Prob. 5.5.16PCh. 5 - Prob. 5.6.1PCh. 5 - Prob. 5.6.2PCh. 5 - Prob. 5.6.3PCh. 5 - Prob. 5.6.4PCh. 5 - Compute the nominal shear strength of an M107.5 of...Ch. 5 - Compute the nominal shear strength of an M1211.8...Ch. 5 - Prob. 5.8.3PCh. 5 - Prob. 5.8.4PCh. 5 - Prob. 5.10.1PCh. 5 - Prob. 5.10.2PCh. 5 - Same as Problem 5.10-2, except that lateral...Ch. 5 - Prob. 5.10.4PCh. 5 - The given beam is laterally supported at the ends...Ch. 5 - Prob. 5.10.6PCh. 5 - Prob. 5.10.7PCh. 5 - Prob. 5.11.1PCh. 5 - Prob. 5.11.2PCh. 5 - Prob. 5.11.3PCh. 5 - Prob. 5.11.4PCh. 5 - Prob. 5.11.5PCh. 5 - Prob. 5.11.6PCh. 5 - Prob. 5.11.7PCh. 5 - Prob. 5.11.8PCh. 5 - Prob. 5.11.9PCh. 5 - Prob. 5.12.1PCh. 5 - Prob. 5.12.2PCh. 5 - Prob. 5.12.3PCh. 5 - Prob. 5.13.1PCh. 5 - Prob. 5.13.2PCh. 5 - Prob. 5.14.1PCh. 5 - Prob. 5.14.2PCh. 5 - Prob. 5.14.3PCh. 5 - Prob. 5.14.4PCh. 5 - Prob. 5.15.1PCh. 5 - Prob. 5.15.2PCh. 5 - Prob. 5.15.3PCh. 5 - Prob. 5.15.4PCh. 5 - Prob. 5.15.5PCh. 5 - Prob. 5.15.6PCh. 5 - Prob. 5.15.7PCh. 5 - Same as Problem 5.15-7, except that the sag rods...
Knowledge Booster
Similar questions
- 4. Design a simply supported beam that will carry an ultimate load of 1750 kN-m. The beam is a W section with a length of 5 m. Use LRFD with F, = 345 MPa, Cb = 1.0.arrow_forwardThe beam shown in Figure is a W16 x 31 of A992 steel. It supports a reinforced concrete floor slab that provides continuous lateral support of the compression flange. The service dead load is 450 /byft. This load is superimposed on the beam; it does not include the weight of the beam itself. The service live load is 550 lby/ft. Does this beam have adequate moment strength?arrow_forwardA rectangular beam has dimensions of 250 mm width and an effective depth of 430 mm. It is subjected to shear dead load of 102 kN and shear live load of 114 kN. Use f'c = 20.7 MPa and fyt = 276 MPa for 12 mm diameter U-stirrup. Design the required spacing of the shear reinforcement.arrow_forward
- Design a rectangular beam to carry a live load of 1.5 kips/ft and a dead load of 1.5 kips/ft inn addition to the beam weight for a simple span of 32 ft use an approximate steel ratio P of about 0.375 of the balanced amount and also satisfy aci table 9.5 use fc' 4000 psi fy 40.000 psi and dy=60.000 psiarrow_forward1. A cantilever R.C. beam is 280 mm x 500 mm deep and is reinforced with 4- 20 mm diam bars for tension. Using an effective depth of d = 450 mm, determine if the 2.50 m long beam is adequate to carry a uniform load of 15 KN/m and a concentrated load of 10 KN at the cantilever end. Use f’c = 21 MPa, fy = 275 MPa. Neglect the weight of beam. Use n = 9 (Alternate Method of Design) Question: Referring to #1, using the same data, determine if the cantilever beam is adequate based on strength design 2001 NSCP specifications. The 15 KN/m load is DL while the 10KN load is LL.arrow_forwardThe W8 * 48 cantilevered beam is made of A-36 steel and is subjected to the loading shown. Determine the displacement at its end A.arrow_forward
- Question (1): A rectangular beam has a width b = 400 mm, and effective depth d = 850 mm and a total height h = 900 mm. The beam is subjected to an ultimate moment Mu = 1500 kN.m and an ultimate shear force Vu = 700 kN. 1- ) Design the beam for flexure to calculate the required area of steel. 2-) Using stirrups Φ 10 mm ( No.10) diameter, calculate the required spacing (s) between the stirrups at the ultimate shear force section. For all questions, Use f’c= 28 MPa and Fy= 420 MPaarrow_forward1. A cantilever R.C. beam is 280 mm x 500 mm deep and is reinforced with 4- 20 mm diam bars for tension. Using an effective depth of d = 450 mm, determine if the 2.50 m long beam is adequate to carry a uniform load of 15 KN/m and a concentrated load of 10 KN at the cantilever end. Use f’c = 21 MPa, fy = 275 MPa. Neglect the weight of beam. Use n = 9 (Alternate Method of Design)arrow_forwardA reinforced concrete beam has a width of 400 mm and an effective depth of 600 mm. It is reinforced at the bottom with As = 4097 mm². The beam has a simple span of 7.3 m and carries a uniformly distributed service load of 43.8 kN/m live load and 23.4 kN/m dead load which includes its own weight fc' = 17.24 MPa, fy = 344.7 MPa. Use U = 1.2D + 1.6L, = 0.75 1. Which of the following gives the nominal shear strength of concrete considering the effect of moment at the critical section for shear. a. 206 b. 249 c. 235 d. 220 2. Which of the following gives the required spacing of 10 mm Ф stirrups. a. 200 mm b. 180 mm c. 190 mm d. 210 mm 3. Which of the following gives the max. spacing required. a. 251 mm b. 330 mm c. 340 mm d. 300 mmarrow_forward
- A column is made of two Channel sections as shown. They are latticed together by light diagonal bracing. The bracing prevents them from moving independently of each other however it does not itself add to the inertia properties. The column is 480" long and is Ball and Socket supported on each end. The column is A36 steel with E = 29,000 ksi. Determine the largest axial compressive load that can be supported with a safety factor of 2.arrow_forwardA rectangular beam that must carry a service live load of 25 kN/m and calculated dead load of 14 kN/m (the weight of beam included) on simple supported span (5.0 m). If f y = 412 MPa and fc = 27 MPa, determine the dimension of the beam for single reinforced in flexural using steel ration maximum for strength reduction value =0.9 Hints: assume d/b=1.5arrow_forwardDetermine 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.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Steel Design (Activate Learning with these NEW ti...Civil EngineeringISBN:9781337094740Author:Segui, William T.Publisher:Cengage Learning
Steel Design (Activate Learning with these NEW ti...
Civil Engineering
ISBN:9781337094740
Author:Segui, William T.
Publisher:Cengage Learning