A wall footing has the following conditions. Determine the shear capacity, φVn, of the footing. Assume the footing is 5 ft wide, the pressure that acts on the bottom of the footing is 5,920 psf, and the reinforcement is a #4 bar spaced every 12 inches.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 14 kips/ft, and the service live load is 8 kips/ft.The wall is 10 in. thick.The footing is 10 in. thick.The allowable soil pressure, qa, is 5,300 psf.The soil has a density of 125 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,100 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the r…
A wall footing has the following conditions. Determine the required cross-sectional area of shrinkage and temperature reinforcement. Assume the footing is 4 ft wide, the pressure that acts on the bottom of the footing is 5,900 psf, and the reinforcement is a #7 bar spaced every 12 inches.The bottom of the footing is at a depth of 4 ft below grade.The service dead load is 9 kips/ft, and the service live load is 8 kips/ft.The wall is 10 in. thick.The footing is 14 in. thick.The allowable soil pressure, qa, is 4,700 psf.The soil has a density of 120 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,600 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the d…
A wall footing has the following conditions. Determine the distance to the neutral axis, c, measured from the top of the footing. Assume the footing is 5 ft wide, the pressure that acts on the bottom of the footing is 5,600 psf, and the reinforcement is a #6 bar spaced every 12 inches.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 14 kips/ft, and the service live load is 7 kips/ft.The wall is 16 in. thick.The footing is 14 in. thick.The allowable soil pressure, qa, is 5,500 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,200 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the c…
A wall footing has the following conditions. Determine the critical one-way shear, Vu, at a distance of d from the face of the wall. Assume the footing is 4 ft wide, the pressure that acts on the bottom of the footing is 5,600 psf, and the reinforcement is a #5 bar spaced every 12 inches.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 8 kips/ft, and the service live load is 8 kips/ft.The wall is 12 in. thick.The footing is 10 in. thick.The allowable soil pressure, qa, is 4,600 psf.The soil has a density of 110 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,500 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the m…
A wall footing has the following conditions. Determine the minimum width of the footing.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 14 kips/ft, and the service live load is 7 kips/ft.The wall is 10 in. thick.The footing is 16 in. thick.The allowable soil pressure, qa, is 5,800 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,500 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the m…
A wall footing has the following conditions. Determine the moment capacity, Mn, of the footing. Assume the footing is 3 ft wide, the pressure that acts on the bottom of the footing is 7,333 psf, and the reinforcement is a #4 bar spaced every 12 inches.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 9 kips/ft, and the service live load is 7 kips/ft.The wall is 12 in. thick.The footing is 15 in. thick.The allowable soil pressure, qa, is 5,600 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,900 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the s…
A wall footing has the following conditions. Determine the shear capacity, φVn, of the footing. Assume the footing is 5 ft wide, the pressure that acts on the bottom of the footing is 4,800 psf, and the reinforcement is a #6 bar spaced every 12 inches.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 12 kips/ft, and the service live load is 6 kips/ft.The wall is 10 in. thick.The footing is 11 in. thick.The allowable soil pressure, qa, is 4,000 psf.The soil has a density of 120 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,100 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the d…
A wall footing has the following conditions. Determine the depth, d, of the reinforcement. Assume the footing is 5 ft wide, the pressure that acts on the bottom of the footing is 5,120 psf, and the reinforcement is a #5 bar spaced every 12 inches.The bottom of the footing is at a depth of 5 ft below grade.The service dead load is 12 kips/ft, and the service live load is 7 kips/ft.The wall is 16 in. thick.The footing is 10 in. thick.The allowable soil pressure, qa, is 4,800 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,300 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the m…
A wall footing has the following conditions. Determine the minimum cross-sectional area of the reinforcement. Assume the footing is 4 ft wide and the pressure that acts on the bottom of the footing is 6,100 psf.The bottom of the footing is at a depth of 2 ft below grade.The service dead load is 11 kips/ft, and the service live load is 7 kips/ft.The wall is 12 in. thick.The footing is 12 in. thick.The allowable soil pressure, qa, is 5,600 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,900 psi and fy = 60,000 psi.
A wall footing has the following conditions. Determine the p…
A wall footing has the following conditions. Determine the pressure that acts on the soil. Assume the footing is 6 ft wide.The bottom of the footing is at a depth of 5 ft below grade.The service dead load is 15 kips/ft, and the service live load is 8 kips/ft.The wall is 10 in. thick.The footing is 15 in. thick.The allowable soil pressure, qa, is 4,700 psf.The soil has a density of 130 lb/ft3.The concrete has a density of 150 lb/ft3.The concrete cover has a thickness of 3 in.f’c = 3,000 psi and fy = 60,000 psi.