A 1.6 m wide x 0.46 m thick RC footing is to be provided for a 250mm thick RC wall. The wall carries a dead load of 160 kN/m and a live load of 225 kN/m of the wall. The gross allowable soil pressure is 323 kPa. The bottom of the footing is 670 mm below the ground. Use f'= 21 MPa and f = 420 MPa. Unit weight is 23.6 kN/m3 for concrete and 18.4 kN/m3 for the soil backfill. Diameter of main bars is 16mm and that of the shirnkage and temperature bars 10mm Calculate the ratio of the Demand Shear Force to Shear Capacity in one- way shear. Answer in four decimal places. (i.e. 1.6125, 1.5140, 0.8461, etc.)

A 1.6 m wide x 0.46 m thick RC footing is to be provided for a 250mm thick RC wall. The wall carries a dead load of 160 kN/m and a live load of 225 kN/m of the wall. The gross allowable soil pressure is 323 kPa. The bottom of the footing is 670 mm below the ground. Use f'= 21 MPa and f = 420 MPa. Unit weight is 23.6 kN/m3 for concrete and 18.4 kN/m3 for the soil backfill. Diameter of main bars is 16mm and that of the shirnkage and temperature bars 10mm Calculate the ratio of the Demand Shear Force to Shear Capacity in one- way shear. Answer in four decimal places. (i.e. 1.6125, 1.5140, 0.8461, etc.)

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

Assume a 27-in.-thick square footing (d 23 in) supports an 18-in.-square tied interior column. Assuming that the shear force V = 827 kips and the concrete used is 3000-psi normal-weight concrete, what exactly is the required depth to resist the two- way shear? Select one: a. 30.7 in b. 16.2 in А C. 36.8 in d. 23.9 in
Principles of Reinforced and Prestressed Concrete If assumptions are made, verify if assumptions are correct. A reinforced rectangular beam with a with of 275 mm and effective depth of 440 mm has 4 16mm bars placed in 1 layer at the tension side. The beam has a stirrup with diameter of 10mm. Use fc'=28MPa and fy=420OMPA, L=3.85m, w0=19.25kN/m and wl=24.75kN/m. Calculate the strength reduction factor of the beam.
For a simply supported prestressed concrete beam, compute the stress in the top fiber at the centerline. Properties of the bearn are: Width of the bearm, b: 326 mm; Depth of the beam, d: 471 mm; Eccentricity of the beam, e: 157 mm; Prestressing Force, P: 739 KN; Superimposed Load, w: 6 KN/m; Length of the beam, L: 9 m. Stress is in unit MPa. Write only the value of your final answer. w (including selfweight) P. P.
Give me right solution according to the question.
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.
The reinforced concrete beam shown has a width of 400 mm and a total depth of 610 mm. It is loaded with a super imposed dead of 25 kN/m, and live load of 12 kN/m. Pdl =60kN and Pll = 40kN There are 3-25mm diameter bars arranged in a single layer at the bottom of the beam, with a clear covering of 50 mm. Another 2 -20 mm diameter bars are located at the top of the beam with the same clear covering. Determine the critical spacing of 10mm diameter stirrups. Use f = 28MPa, fy = 420 MPa, fyt = 275 MPa. P in KN P in KN w in kN/m Steel I Generic 7.0 m 2.0 m 5.0 m
Along footing, 3 ft wide, is located in the slope of a hill whose inclination is 30°. The soil of the hill is sand that has an angle of internal friction of 35° and a unit weight of 115 pcf. If a D/B ratio of 1 is assumed, what wall loading can the footing carry? Use a factor of safety of 3.
A square spread footing supports a square tied column as shown. Assume that the reinforced concrete is normal weight (24 kN/m3) and = 1.00 (NSCP C101-15 Table 419.2.4.2). The column has a height of 3.5 meters. 1. Check NSCP code requirements for the reinforcement: (a) longitudinal bar clear spacing, (b) steel ratio, (c) minimum number of bars, (d) minimum lateral tie size, (e) spacing of ties, and (f) arrangement of ties. 2. Calculate the plan dimensions (L m x L m)of the spread footing. Assume a trial thickness of the footing H = 750 mm. 3. Calculate the effective depth d (mm) considering punching shear (two-way shear).
1. The cylindrical steel column has an outer diameter of 90 mm and inner diameter of 80 mm. The column is separated from the concrete foundation by a square bearing plate with the dimension of 160 mm x 160 mm. The working compressive and tensile stresses are 180 MPa and 200 MPa respectively, while the working bearing stress of concrete is 10 MPa. Find the largest force P that can be applied to the column. P Steel Concrete Foundation Bearing Plate
Using Double Interation Method, determine the deflection of beam at a distance of 7.0 meters from theleft support (R1) if EI is constant.
The slab shown below using f'c= 25 MPa and fy = 420 MPa. The service dead loads are 5 kN/m including its own weight and service live loads are 7 kN/m?: 1- Find area of steel required for the slab. 2- Area of steel required for interior beam B1, at critical section. 6.0 m 6.5 m 6.0 m 0.3m 0.3m 4.5 m 4.5 m 0.3m 0.3m B. 4.5 m 4.5 m 0.3m 0.3m He 6.3m 0.3m 0.3m 0.3m
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.