length of tension steel. A 12-inch concrete wall is supported on a continuous footing as shown. Use normal weight concrete with f'c =3000 psi. Determine if the development length of the tension steel is adequate. The steel is No. 6 at 8 inches oncenter. Assume fy is reached first at the face of the wall and development length is measured from that location.Bars are grade 60 and epoxy coated. 1'-6"-2'-3".12".-2'-3".3" clearfy3" clear

Answered: A 12-inch concrete wall is supported on…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Using concrete with a design strength of 2000 psi and grade 40 bars with a yield strength of 40 ksi, design a wall footing for the following data: wall thickness = 10 in.; dead load on footing = 5000 lb/ft and live load= 7000 lb/ft; and maximum soil pressure = 2000 psf.
A square footing 2.4 m x 2.4 m x 0.45 m thick supports a 300 mm square column at its center. Column loads are at service conditions DL = 326 KN, LL = 219 KN, fc' = 21 MPa, and fy = 415 MPa. Concrete cover to the centroid of steel reinforcement is 100 mm. Calculate the nominal one way shear stress in the slab
a square footing 2.4 m x 0.34 m thick supports a 300 mm square column at its center. column loads are at service conditions dl = 346 kn, ll = 231 kn, fc' = 21 mpa, and fy = 415 mpa. concrete cover to the centroid of steel reinforcement is 100 mm. calculate the nominal one way shear stress in the slab
a square footing 2.4 m x 0.34 m thick supports a 300 mm square column at its center. column loads are service conditions:DL = 376 kN LL = 213 kN f'c = 21 MPa fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm calculate the nominal one way shear stress in the slab. write your final answer with 2 decimal places if the unit is MPA.
Assume γ = 105 pcf, D= 4 ft,Q = 2000 lb , F.S = 3, Φ = 34° . Determine the size of the footing.
A rectangular footing 2.1 m x 3.2 m x 0.37 m thick supports a 300 mm square column at its center. Column loads are service conditions: DL = 363 kN LL = 291 kN f'c = 21 MPa Fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm Calculate the nominal punching shear stress in the slab. Write your final answer with 2 decimal places if the unit is MPa.
Design the one-way slab to support a load of 12 kN/m² with a superimposed dead-to-live load ratio of 1:2. Assume concrete weighs 24 kN/m³. f'c = 28MPa and fy 420 MPa. Use p = Pmax. Let the length of the slab be 6 meters.
A 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 145 kN/m and service live load of 215 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. calculate the spacing of 12-mm-diameter rebars for flexure.
Principles of Reinforced and Prestressed Concrete PROBLEM A simply supported rectangular beam of length ? has a width of ? and an effective depth of ?. Compression steel bars are placed at a distance ?′ from the extreme concrete compressive fiber. The beam supports service dead loads of ?? and ??, respectively. Use ??′ = 28 ??? and ?? = 420 ???. For the reinforcements, use 4 25 ?? tension steel bars and 4 12 ?? compression steel bars. Given: b = 197.5 mm d=317.5mm d’=77.5mm L= 2.7 m Wd = 13.75 kN/m Wd = 17.75 kN/m
A square footing 2.1 m x 0.31 m thick supports a 300 mm square column at its center. Column loads are service conditions: DL = 389 kN LL = 234 kN f’c = 21 MPa fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm Calculate the maximum ultimate bending moment in the slab. Write your final answer as whole number with the unit of kN-m.
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 required center to center spacing of 16 mm bars for flexure if the maximum factored moment in the slab is 75 kN.m a. 150 mm b. 180 mm c. 210 mm d. NOTA 52. calculate the ultimate beam shear stress on the footing slab if the footing slab is 2.1 m wide. a. 1.25 MPa b. 0.74 MPa c. 0.87 MPa d. 0.96 MPa
A rectangular footing 2.1 m x 3.7 m x 0.32 m thick supports a 300 mm square column at its center. Column loads are service conditions: DL = 373 kN LL = 287 kN f’c = 21 MPa fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm Calculate the ultimate punching shear stress in the slab. Write your final answer with 2 decimal places if the unit is MPA.

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