Reinforced And Prestressed Concrete PROBLEM: A reinforced rectangular beam with width b and effective depth d has 4.16 mm bars placed on 1 layer at the tension side. The beam has a stirrup with a diameter of 10 mm. Use fc=28 Mpa and fy=420 MPa b= 197.5 mm d= 317.5mm L= 2.7 Wd = 13.75 kN/m WL = 17.75 kN/m Calculate the nominal moment capacity of the beam Calculate that strain of the tension bars. Calculate the strength reduction factor of the beam

Reinforced And Prestressed Concrete PROBLEM: A reinforced rectangular beam with width b and effective depth d has 4.16 mm bars placed on 1 layer at the tension side. The beam has a stirrup with a diameter of 10 mm. Use fc=28 Mpa and fy=420 MPa b= 197.5 mm d= 317.5mm L= 2.7 Wd = 13.75 kN/m WL = 17.75 kN/m Calculate the nominal moment capacity of the beam Calculate that strain of the tension bars. Calculate the strength reduction factor of the beam

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.11P

See similar textbooks

Similar questions

A 360 mm thick footing slab supports a 300 mm thick wall carrying uniform service dead load of 264.7 kN/m and service live load of 111 kN/m. The base of the wall footing slab is 1.1 m from the ground surface. Use 16 mm diameter for main bars. Design parameters are as follows: γsoil = 18 kN/m3, γconc = 24 kN/m3, qa = 233.2 kPa, f’c = 27 MPa and fy = 414 MPa. Calculate the allowable nominal beam shear stress in MPa. Express your answer in 3 decimal places.
A rectangular beam of length 702mm has a width of 132mm and a depth of301mm. Compression steel bars are placed at a distance 98 mm from the extreme concrete compressivefiber. The beam supports service dead loads of dead load (16 KN/m) and live load (24 KN/m). Reinforced with 4 25mm tension steel bars and 4 12mm tension steel bars f′c = 42 MPafy = 519 MPa 1. Solve for the height of the neutral axis measured from the extreme compression fiber.2. Solve for the design moment.3. Solve for the strength reduction factor.
A wall footing is used to support a 300 mm. reinforced concrete wall carrying a dead load of 292 kN/m and a live load of 220 kN/m. The footing has a total thickness of 450 mm. with a steel covering of 75 mm. The bottom of the footing is 1.2 m. below the final ground surface. Allowable soil pressure is 199.70 kPa. Weight of soil is 15.7 kN/m3. fc' = 27.6 MPa. fy = 276.5 MPa. Weight of concrete is 23.5 kN/m3 2. Which of the following gives the nominal shear stress of the footing
a 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.94 kN/m. the base of the wall footing slab is 1.2 m from the ground surface. design parameters are as follows: ysoil = 16 kN/m^3, yconci = 24 kN/m^3. qa = 215.46 kPa. f'c = 27 MPa and fy = 420 MPa. 1. calculate the net allowble bearing capacity of soil in kPa. a. 192.17 b. 189.06 c. 117.32 d. 176.26 2. calculate the minimum required width of the wall footing slab. a. 1.9 m b. 2 m c. 1.8 m d. 1.7 m 3. calculate the maxium ultimate moment (kN.m) in the slab if the width of the footing slab is 2.1 m. a. 82.64 b. 94.63 c. 128.80 d. 111.32
A wall footing is used to support a 300 mm. reinforced concrete wall carrying a dead load of 292 kN/m and a live load of 220 kN/m. The footing has a total thickness of 450 mm. with a steel covering of 75 mm. The bottom of the footing is 1.2 m. below the final ground surface. Allowable soil pressure is 199.70 kPa. Weight of soil is 15.7 kN/m3. fc' = 27.6 MPa. fy = 276.5 MPa. Weight of concrete is 23.5 kN/m3. 4. Which of the following gives the difference between the furnished and the allowable development length of steel reinforcement at the wall footing. Use ACI Specs.
A wall footing is used to support a 300 mm. reinforced concrete wall carrying a dead load of 292 kN/m and a live load of 220 kN/m. The footing has a total thickness of 450 mm. with a steel covering of 75 mm. The bottom of the footing is 1.2 m. below the final ground surface. Allowable soil pressure is 199.70 kPa. Weight of soil is 15.7 kN/m3. fc' = 27.6 MPa. fy = 276.5 MPa. Weight of concrete is 23.5 kN/m3 1. Which of the following gives the required length of footing
The channel section carries a uniformly distributed load totaling 6W and two concentrated loads of magnitude W. Determine the (a) location of the neutral axis from the bottom, (b) the moment of inertia about that axis, (c) the maximum allowable value for W if the working stress are 4.0 MPa in tension, 8.0 MPa in compression, and 2.4 MPa in shear.
Calculate thr A) ultimate column loads B) upward ultimate soil pressure C) footing effective depth "d" for the long span and the short span
Uniformity distributed load 100Kn/m² is carried by circular foundation. The diameter of Raft 10m. Determine the vertical stress below the centre of raft at the depth of 2.5m, 5m, 7.5m, 10m. Use Boussinesq eqaution. Please Show the all step.
A square footing 2.5 m x 2.5 m supports a rectangular column 300 mm x 300 mm at its center. Concrete cover to bar centroid = 100 mm. Ultimate load combination is 1.2D + 1.6L. Column loads are service conditions: DL = 680 kN LL = 400 kN f’c = 20.7 MPa fy = 275 MPa Calculate the ultimate moment at critical section for bending for 1-m strip of the footing slab. = [Mu] kN·m/m (whole number) Answer: 141
2. A reinforced concrete beam having a width of 280 mm and a total depth of 600 mm isreinforced for tension at the bottom with 6 - 36 mmɸ bars placed on two layers, 4 bars onfirst layer and 2 bars on second layer. Compute the effective depth of the beam and theclear horizontal spacing between bars.
A 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 215 kN/m and service live load of 145 kN/m. The base of the wall footing slab is 1.0 m from the ground surface. Design parameters are as follows: γsoil = 16 kN/m3, γconc = 24 kN/m3, qa = 200 kPa, f’c = 28 MPa and fy = 420 MPa. alculate the effective net soil bearing capacity of the soil. = kPa (one decimal place)