Q2. Compute the allowable bearing pressure using the Terzaghi's equation for the footing and soil parameters shown in Fig. Use factor of safety 3 to obtain qa. Assume water table; (a) at ground surface, (b) 2ft below the ground surface, (3) at foundation level and (4) 5ft below the foundation level.

Q2. Compute the allowable bearing pressure using the Terzaghi's equation for the footing and soil parameters shown in Fig. Use factor of safety 3 to obtain qa. Assume water table; (a) at ground surface, (b) 2ft below the ground surface, (3) at foundation level and (4) 5ft below the foundation level.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter16: Soil Bearing Capacity For Shallow Foundations

Section: Chapter Questions

Problem 16.11P

See similar textbooks

Similar questions

A square footing (B B) must carry a gross allowable load of 1160 kN. The base of the footing is to be located at a depth of 2 m below the ground surface. If the required factor of safety is 4.5, determine the size of the footing. Use Terzaghis bearing capacity factors and assume general shear failure of soil. Given: = 17 kN/m3, c = 48 kN/m2, =31.
Using Meyerhof's General Bearing Capacity Equation, calculate the Net Allowable Bearing Capacity of the footing shown with the following data: For SOIL, Cohesion, c = 19 kPa The angle of internal friction =23 Unit weight of moist soil, y = 19 kN/m3 Unit weight of submerged soil, ysub= 11 kN/m3 For footing, X=4.2m Y=3.5m Df=3.2m Use a Factor of Safety of 3 The load is inclined at an angle with the vertical Beta, B = 33 degrees Note: As much as possible round off only on the final answer.
Q/ for the circular footing 5m diameter . find the thickness of footing if (factor of safety = 3) . salty sand . Ƴsaturated = 19 kN/m3 C = 10 kN/m2 ƴd = 15 kN/m3
For the rectangular footing (3m×4m) shown in figure. Calculate the factor of safety against general bearing capacity and determine whether design good or not. If,e= 0.35m and q max= 400 Kn/m^2.
A continuous footing is shown in Figure 16.17. Using Terzaghi’s bearing capacity factors, determine the gross allowable load per unit area (all ) that the footing can carry. Assume general shear failure. Given: γ = 19 kN/m3, c′ = 31kN/m2 , , Df = 1.5 m, B = 2 m, and factor of safety = 3.5.
A square footing is subjected to an inclined load as shown in the figure below. If the size of the footing ,B=2.25 m , determine the gross allowable inclined load , Q, that the footing can carry. Given:  = 120 andF.S = 3.5.
Determine the effort at the base of the footing without damping and with damping, if the damping parameter is ζ=0.5 and the ballast coefficient is C1= 4900kN/ m^3.
A 460 mm reinforced concrete interior spiral column carries service loads of 1025 kN dead load and 715 kN live load (Figure 3). The column rest on a square spread footing 2.75 m x 2.75 m in dimension. The net ultimate soil pressure at the base of the footing is 314 kPa, f’c =21 MPa, fy = 345 MPa, clear cover is 75 mm and 25 mm-diameter bars, the allowable soil pressure is 250 kPa? Unit weight of soil is 17kN/m3 ; unit weight of concrete is 23.5 kN/m3. The underside of footing is 1.50m below the natural grade line
For a square footing, determine the gross allowable load, Qall, that the footing can carry. Use Terzaghi,s equation for general shear failure ( fs=3.5). Given : Density of soil above the underground table, p=1800 kg/m^3, saturated soil density below the underground table, P sat=1980 kg/m^3, c=24 kN/m^2, $=25°‌, B=1.8 m, Df=1.2 m and h=2 m.
A strip footing foundation 1 m wide is constructed in the slope of a hill whose surface inclination is 20°. The soil in the hill is a dense sand, with a unit weight of 19 kN/m3 and an angle of internal friction of 40°. Assume that the D/B ratio is about 1. Applying a factor of safety of 3, determine the wall loading the foundation can carry, per meter of footing length.
A square footing 2 m x 2 m is located at a depth of 1.2 m below the ground surface. The soil properties are cohesion, c = 10 kPa, φ = 15 degrees, γ = 16.7 kN/m3 , and γsat = 20 kN/m3 . Use Terzhagi’s bearing capacity equation: ?? = 1.3??? + ????? + 0.4????, bearing capacity factors Nc = 12.9, Nq = 4.4, Nγ = 2.5, find qu under the following conditions: a. When the water table is way below the bottom of the footing b. When the water table is at the bottom of the footing c. When the water table is at ground surface
A footing 2.25 x 2.25 m is located at a depth of 1.5 m in a sand, the shear strength parameters to be used in design being c' = 0 and ϕ' = 38˚. Determine the ultimate bearing capacity: (a) if the water table is well below foundation level and (b) if the water table is at the surface. The unit weight of the sand above the water table is 18 kN/m^3; the saturated unit weight is 20 kN/m^3. Note: Use the equations to solve for Nc, Nq and Nγ.