Design an exterior slab panel of a two-way slab system. Panels are 20feet x 25feet. Column size is 12inch x 24inch. The beam size is 10inch x 20inch. Live load is 100psf. Wall thickness is 5inch, floor height is 10feet; doors and windows opening is 20%. The floor finish is 20psf. Given, f'c = 3.5ksi and fy = 60ksi;

Design an exterior slab panel of a two-way slab system. Panels are 20feet x 25feet. Column size is 12inch x 24inch. The beam size is 10inch x 20inch. Live load is 100psf. Wall thickness is 5inch, floor height is 10feet; doors and windows opening is 20%. The floor finish is 20psf. Given, f'c = 3.5ksi and fy = 60ksi;

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...

See similar textbooks

Similar questions

A rectangular bear has a wish of 300mm and a total depth of 650mm , calculate the area of steel reinforcement repral Take, M. 360kN.m f30 MPa and , 400MP
4.3 A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 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: Calculate: 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)
4.2 A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 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: Calculate: Design strength of the beam section to the nearest whole number = ____?___ kN·m
4.1 A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 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: Calculate: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = ____?___ mm
A simply supported beam is reinforced with 5-25mm-diameter at the bottom and 2-20mm-diameter at the top of the beam. Concrete covering to centroid of reinforcement is 70mm at the top and 64mm at the bottom of the beam. The beam has a gross depth of 450mm and gross width of 300mm. f’c = 28MPa, fy = 415MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel stain is 0.004 for a ductile failure : Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = Design strength of the beam section to the nearest whole number = Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including thr weight of the beam) if it has a span of 6m =
Consider the cantilever beam made of reinforced concrete. Determine if the steel and the concrete withstands loads. In the piece there are 3 steel bars of 16 mm in diameter placed at the top of the section. Consider Econcrete = 25GPa, Esteel = 200GPa, σ (break, concrete) = 35MPa, σ (break, steel) = 500MPa, SFconcrete = 1.4 (safety factor of concrete), SFsteel = 1.15 (safety factor of steel). * TIP: The allowable stress is given by σadm = σrup/SF Compare the maximum values obtained to those allowed by the material. Please show me all the calculations, step by step.
Consider the cantilever beam made of reinforced concrete. Determine if the steel and the concrete withstands loads. In the piece there are 3 steel bars of 16 mm in diameter placed at the top of the section. Consider Econcrete = 25GPa, Esteel = 200GPa, σ (break, concrete) = 35MPa, σ (break, steel) = 500MPa, SFconcrete = 1.4 (safety factor of concrete), SFsteel = 1.15 (safety factor of steel). * TIP: The allowable stress is given by σadm = σrup/SF Compare the maximum values obtained to those allowed by the material. Please show me all the calculations, step by step. Thank you very much in advance.
A rigid bar is attached to two vertical rods before a load is applied. Compute the vertical movement under P= 50kN *DRAW THE FBD; COMPLETE SOLUTION *USE 3 DEC PLACES
A 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)
A rectangular beam 250 mm wide, 500 mm deep is reinforced at thebottom with 4-20-mm-diameter bars and at the top with 2-16-mmbars. Concrete cover to bar centroid at the top is 80 mm and at thebottom is 70 mm. Use concrete strength f’c = 21 MPa and steel yieldstrength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the limiting tensile steel ratio for a tension controlledcondition in positive or negative bending with the given materialstrengths. ρt = [r] in 5 decimal places (ex. 0.00001)
A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The beams are spaced at 7 feet 6 inches, and the span length is 30 feet. The superimposed loads are as follows: construction load = 20 psf, partition load = 10 psf, weight of ceiling and light fixtures = 5 psf, and live load = 60 psf, A992 steel is used, and fc=4 ksi. Determine whether the flexural strength is adequate. a. Use LRFD. b. Use ASD.
A conventional floor system has panel dimensions measured from center-to-center of the beam support as shown. The beam dimensions are given where the transverse direction is vertical and the longitudinal direction is horizontal in the drawing. The superimposed floor loads are also given with a total of 2.7 kPa for the dead loads and 1.9 kPa for the live load. The rebars are 10mm in diameter, Grade 40 and the concrete strength is 28MPa. Design the Conventional Slab using Direct Design Method in the Transverse Direction (Use NSCP and ACI codes for this problem.)