Q2: A square footing (2x2 m) is constructed on a sandy soil as shown below. Find the maximum allowable load (Q) that the footing can carry. Assume general shear failure and the factor of safety is 3. 15 m Im •E 7-16 kN/m² Yat - 18 kN/m² -34°

Q2: A square footing (2x2 m) is constructed on a sandy soil as shown below. Find the maximum allowable load (Q) that the footing can carry. Assume general shear failure and the factor of safety is 3. 15 m Im •E 7-16 kN/m² Yat - 18 kN/m² -34°

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 16.13P: A square footing (B B) must carry a gross allowable load of 1160 kN. The base of the footing is to...

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Q2: A square footing (2x2 m) is constructed on a sandy soil as shown below. Find the maximum allowable load (Q) that the footing can carry. 1.5 m Im Assume general shear failure and the factor of safety is 3. E Y = 16 kN/m 7-18 kN/m 6349
Q2: A square footing (2x2 m) is constructed on a sandy soil as shown below. Find the maximum allowable load (Q) that the footing can carry 1.5 m Assume general shear failure and the factor of safety is 3. Im 7-16 kN/m² 18 kN/m 6-34°
A strip footing is to be designed to carry a load of 800 kN/m at the depth of 7m in a gravelly sand . the appropriate shear strenght parameter are c =0 and φ=40o. Determine the width of the footing if a factor of safety 3 against shear failure is specified and assuming that that the water table may raise to foundation level.Above the water table the unit weight of the sand is 17 kn/m3 and below the water table the saturated unit weight is 20 kN/m3
A rectangular footing of breadth size 3 m and length 5 m is designed on CLAY at a depth of 1.5 m below the ground level to support a vertical load of 1200 kN. The unit weight of the soil is 19 kN/m³ and shear strength parameters are cu 65 kN/m² and θ =0°. Calculate factor of safety and take the appropriate bearing capacity coefficient Nc, Nq, and Nr, as 5.7, 1.0 and 0 respectively.
A4-ft-wide long footing is located at the top of a slope whose inclination is 30°. The soil of the hill is sand with an assumed angle of internal friction of 30°. If the D/B ratio is 1 and the b/B ratio is also 1, what loading can be imposed on the footing per foot of length? Use a factor of safety of 3.
Problem3. A 0.6mm square column is supported by a 1.5m wide rectangular footing. The column transmits an axial service load and a service bending moment which acts parallel to the longitudinal axis of the base. The effective soil bearing pressure is 215kPa. The thickness of the footing is 0.50mm with a steel cover of 110mm. Axial Service Loads: DL = 620kN LL = 450kN Service Bending Moments: MDL= 110kN m MLL= 45KN m a. Solve for the required length of the footing. b. Using the length above, solve for the wide beam shear stress at ultimate loads. c. Using the length above, solve for the punching shear stress at ultimate loads. d. Using the length above, solve for the critical ultimate bending moment.
Please answer it asap for an upvote. Thank you. Given that the cohesion in the soil is 17 kPa and the angle of internal friction is 13 degrees, what is the gross allowable load (kN) of the rectangular footing with a width of 1.55 m and a length of 3.17 m. Assume γsoil = 18.40 kN/m3, γsat = 20.42 kN/m3. The axial load is offset 0.54m from the left end of the footing. The depth of the foundation is at 1.40m and the GWT is at 0.79m. Factor of safety is 3.5.
A (1.2x4.2)m rectangular footing is placed at a depth of ( D f =1m) below the G.S. in clay soil with φu = 0° , γ = 18 kN/m3 , Cu = 22 kN/m2 . Find the allowable maximum load which can be applied under the following conditions: (a) W.T. at base of footing with γ sat = 20 kN/m3(b) W.T. at 0.5m below the surface and γ sat = 20 kN/m3(c) If the applied load is 400kN and the W.T. at the surface what will be the factor of safety of the footing against B.C. failure.
67. A strip footing is to be designed to carry a gross load of 900 kN/m at a depth of 1 m in a gravelly sand. The appropriate shear strength parameters C = 0 and 6 = 38°. Determine the width of the footing if a factor of safety of 3 against shear failure is to be assured. Water table is found to be at foundation level. Above the water table, the saturated unit weight is 18 kN/m³ and below the water table, the saturated unit weight is 20 kN/ m³. For = 38°, the bearing capacity factors are: N = 49 and N = 67. Unit weight of water q is 9.8 kN/m³.
Please answer it ASAP completely and neatly for an Upvote. Thank you. A circular footing has a radius of 0.7m. Its bottom is 2.10m below the ground surface. The groundwater table is expected to exist during the life of the structure. The unit weight of soil above the water table is 15.65 kN/m3 and 18.94 kN/m3 below the water table. Angle of internal friction is 24 degrees and cohesion = 12.9 kPa. Using general shear failure and a factor of safety of 2.5. Calculate the following using Meyerhof's equation If GWT is at the bottom of the footing, determine the gross allowable bearing capacity (in kPa) If the GWT is found 1m below ground surface, what is the gross allowable bearing capacity (in kPa) If the GWT is found 2.5 m below ground surface, what is the gross allowable bearing capacity (in kPa)
Q3/A square footing is required to carry a gross load of 1500 kN. The base of the footing is to be 2.0m below the ground level. The ground water table will rise to the ground surface. The soil is saturated clay having the following properties: apparent cohesion c= 57.5 kPa, = 0 and y = 19.2kN/m³. Using the Meyerhof bearing capacity equation with a safety factor SF-3.0, find a suitable size for the footing.
Please answer it ASAP for an upvote. Thank you. A 3.5m wide footing is embedded 1.37m beneath the ground surface. The investigation indicated an angle of friction = 21 degrees with a unit weight equal to 18.67 kN/m3. The cohesion is 14 kPa The submerged unit weight of the soil is 12.04 kN/m3 and the factor of safety is 3.0 Determine the gross ultimate bearing capacity (kPa) of the footing if the groundwater table is 1.14 m below the ground surface. Assume footing is rectangular with length 4.8m and load is inclined at 55 degrees with respect to the horizontal