1. A floor system consist of a 100mm concrete slab supported by continuous T-beam with a 9m span, clear distance between webs of 1.2m. Web dimensions are bw=300mm, effective depth d= 540mm, concrete cover is 700 from the centroid of the bars is subjected to a maximum positive factored moment of 1000KN-m use f'c = 28MPa, fy= 420MPa uniform weight of concrete is 23.544KN-m a. What is the effective flange of the beam b. Should the T-beam be singly or doubly reinforced use et = 0.005 c. What is the required tension steel area d. What is the uniform live load of the beam, assume dead load is self-weight only W A w

1. A floor system consist of a 100mm concrete slab supported by continuous T-beam with a 9m span, clear distance between webs of 1.2m. Web dimensions are bw=300mm, effective depth d= 540mm, concrete cover is 700 from the centroid of the bars is subjected to a maximum positive factored moment of 1000KN-m use f'c = 28MPa, fy= 420MPa uniform weight of concrete is 23.544KN-m a. What is the effective flange of the beam b. Should the T-beam be singly or doubly reinforced use et = 0.005 c. What is the required tension steel area d. What is the uniform live load of the beam, assume dead load is self-weight only W A w

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

A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. bottom is 70 mm. Use concrete strength f'c = 21 MPa and steel yield strength fy = 345 MPa for 20-mm bars and fy = 230 MPa for 16-mm bars. Determine the design moment capacity in kN-m of the beam Concrete cover to bar centroid at the top is 80 mm and at the in negative bending. Write the answer in 2 decimal places only.
Top tie 4. Assume that the wet concrete (s.w. = 150 Ibf/ft3) behaves as a liquid. Determine the force per unit foot of length exerted on the forms. If the forms are held in place as shown, with the ties between vertical braces spaced every 2 ft, what force is exerted on the bottom tie? Brace Form 9 ft Concrete Bottom tie
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f’c = 21 MPa and steel yield strength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the tensile steel ratio for positive bending. 2. Determine the depth of the uniform rectangular stress block on the beam section at ultimate stage when subject to positive bending. 3. Determine the design moment capacity in kN•m of the beam in positive bending.
Principle of Reinforced Concrete Design
A 5 m long simply supported reinforced concrete beam has a width of 300 mm and an overall depth of 470mm. Thebeam is reinforced with 2-28 mm compression bars on top and 4-28 mm tension bars at the bottom, each location 70 mmfrom the extreme concrete fiber. Concrete strength is fc’ = 20.7 MPa, and steel yield strength fy = 415 MPa. Calculate theultimate capacity of the beam in kN-m.
Given a rectangular section of b = 300mm, h = 400mm, a, = a', = 40mm; the concrete is of grade C30, the steel is HRB400. Find the reinforcement (A, and A') required for a load of M = 218kNm and an axial compression N= 396KN. %3D
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f’c = 21 MPa and steel yield strength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. Determine the nominal moment capacity in kN∙m of the beam in negative bending.
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f’c = 21 MPa and steel yield strength fy = 350 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the maximum steel ratio if the beam is singly reinforced in negative bending with the given material strengths and the tensile strain is limited to 0.004 upon crushing of concrete. Write the answer in 5 decimal places only. 2. Determine the maximum steel ratio if the beam is singly reinforced in positive bending with the given material strengths and the tensile strain is limited to 0.005 upon crushing of concrete. Write the answer in 5 decimal places only.
A reinforced concrete beam that is 375 mm wide and 500mm deep must resist a service live load moment of 250 kN-m and a service dead load moment of 150 kN-m. Use f'c-21 MPa and fy=415 MPa. The effective concrete cover is 65mm (to the centroid of reinforcements). 1. Determine the area of compression steel reinforcement (If required. Answer O if not) in mm² 2. Determine the minimum number of 25 mm diameter bars to be provided to satisfy the demand ultimate moment 3. Determine the maximum number of 25 mm diameter bars to be provided to have a tension controlled section Answer 1: 2403.21 correct answer: Answer 2: 9.00 Answer 3: 8.00
need fast and comp, pls
Show all solutions
Using IS 456