A 50-kip vertical downward column load (P) acts at the center of a 4-ft-square (4-ft wide by 4-ft long) normal-weight reinforced concrete footing (Yconc = 150 pcf)). The bottom of this shallow footing is 3 ft %3D below the level ground surface, and the top of the footing is flush with the ground surface. Laboratory testing shows the soil from the ground surface to at least 15-ft depth is uniform clay with a total unit weight of 120 pcf and an undrained shear strength (Su) of 1.0 ksf. The long-term groundwater table is at a depth of 10 ft below the ground surface. Use the above information to answer the following two questions. Compute the weight of the foundation, Wf. Answer: Okips Oksf Okcf Compute the gross bearing pressure (contact pressure) at the base of the footing that is imposed on the underlying soil by the footing and column load. Answer: Oksf Okips

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Calculate the ultimate bearing capacity considering the following: A strip footing, 2 meters wide A square footing 3m by 3m A circular footing 3m in diameter. All footings are located at the ground surface and groundwater level is at the ground surface. The soil is coarse grained with saturated unit weight of 19.8 kn/m3 and angle of internal friction of 25 degrees.

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Figure (a) shows the cross section of square footing of 3 m x 3 m. The soil properties are shown in the figure. i) ii) Determine the load Q that the footing can carry. Use the factor of safety (FOS) of 2.5. During rainy season, groundwater level increased to the soil surface. Based on this condition, calculate the new FOS and justify whether the existing footing is able to carry the same amount of load as calculated in (a) Not drawn to scale 1.6 m 0.4 m Water level 3m Q Soil properties Yd=18.3K³ Ysat = 21 kN/m³ = 30°

3. A vertical load of 155 kips is applied at the center of a footing 5 x 10 ft in plan. How much moment can the footing resist while before the soil pressure exceeds 5 kip/ft and a portion of the footing lifts off the ground?

For a sandy soil, the ultimate bearing capacity of 30 cm plate is found to be 120 kN/m² cm during plate load test. Then the ultimate bearing capacity of a square footing of 80 cm side under same loading conditions is

A footing is carrying a design column load of 22 k and a moment of 5 k-ft in one direction.The footing will be founded on sand at a depth of 2 ft. The water table is 3 ft below the groundsurface. Design the footing width for a square footing that will carry the design loads and meetthe presumptive allowable bearing pressure per the International Building Code.

For a sandy soil, the ultimate bearing capacity of 30 cm plate is found to be 120 kN/m² cm during plate load test. Then the ultimate bearing capacity of a square footing of 80 cm side under same loading conditions is se VERDDIEREDDIDD DDDD DDOME2Dan

An RCC square footing of side length 3 m and uniform effective depth 250 mm is provided for a 300 mm x 300 mm column. The line of action of the vertical compressive load passes through the centroid of the footing as well as of the column. If the magnitude of the load is 380 kN, then the nominal transverse (one way) shear stress in the footing is N/mm2.