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5. A square footing is 4 mx 4 m in plan. Determine the gross allowable load,...
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth...
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth is 1 m. The soil beneath this footing has the following properties: y = 18 kN/m”, Ysat = 20 kN/mº, c' = 5 kPa, and o' = 36º. The groundwater table is at a depth of 2 m below the ground surface. Compute factor of safety against bearing capacity failure.
A square footing, 2 m by 2 m is to be constructed 1.22 m below the...
A square footing, 2 m by 2 m is to be constructed 1.22 m below the ground surface, as shown in the figure below. The groundwater table is located 1.82 m below the ground surface. The subsoil consists of a uniform, medium dense, cohesion less soil with the following properties: Unit weight of soil 18.53KN/m; Angle of internal friction 32 Cohesion Determine the foundation soil's allowable bearing capacity, if a factor of safety of 3.0 is used 1.22 m 1.82...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are given: B 3.0 m (width), D 1.2 m (depth). Y=20 kN/m3, = 32°, c' = 50 kPa, Use Terzaghi Equation and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil. When Oar C S
number 2 please 1. A continuous footing is shown in the figure below. Using Terzaghi's ultimate...
number 2 please
1. A continuous footing is shown in the figure below. Using Terzaghi's ultimate b.c. equation and bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing will carry. Given: y 112 pcf, c' 450 psf, ' 22, Dr 4 ft, B 3 ft, and F.S. 3. 4all Unit weight of soil y 2. Repeat problem #1 using the general bearing capacity equation. Use the appropriate assumptions
Q.2 A strip footing of size of 2 m in width is designed to be founded...
Q.2 A strip footing of size of 2 m in width is designed to be founded at 1 m below ground level. The footing is subject to a vertical and a horizontal load as shown. The ground consists of a uniform deposit of dense soil which has a bulk unit weight of 18 kN/m when above water table and 20 kN/m² when it is saturated. Determine the allowable ultimate bearing capacity and hence the Factor of safety using the general...
An isolated footing of dimensions 1.5 ×1.5 is placed over a soil mass with a friction...
An isolated footing of dimensions 1.5 ×1.5 is placed over a soil mass with a friction angle of =35° and ′=20 / 2. The unit weight of soil, , is 16.5 / 3. Determine the allowable gross load on the foundation using a factor of safety (FS) of 3. Assume that the depth of the foundation is 1.5 m. Given: For φ=35°, the bearing capacity factors are: Nc=57.75, Nq=41.44, Nγ=45.51
After the footing in Problem 7.9 was built, the groundwater table rose to a depth of...
After the footing in Problem 7.9 was built, the groundwater table rose to a depth of 0.5 m below the ground surface. Compute the new factor of safety against a bearing capacity failure. Com- pare it with the original design value of 2 and explain why it is different. (use Terzaghi’s formula to solve) 7.9) A bearing wall carries a total unfactored load 220 kN/m. It is to be supported on a 400 mm deep continuous footing. The underlying soils...
A (9’x9’x32”) square footing is supporting 230 kips dead load and 130 kips live load from 18-in square column. The allo...
A (9’x9’x32”) square footing is supporting 230 kips dead load
and 130 kips live load from 18-in square column. The allowable
bearing soil pressure is 5000 psf. There is no over-burden soil
weight. Check if the footing area satisfies the soil bearing
pressure requirements. Also, check if the thickness satisfies the
shear ( two and one way) requirements. Finally, design the flexural
steels each direction.
Open book and notes Name a (9%9x32") square footing is supporting 230 kips dead load...
Part 2 A 2 mx 4 m footing is founded at a depth of 0.6 m...
Part 2 A 2 mx 4 m footing is founded at a depth of 0.6 m and supports a vertical load of 400 kN and a horizontal loads of 50 kN and 80 kN. The horizontal loads are acting at 0.9 m above the top of the foundation. The footing is 0.6 m thick and the unit weight of the concrete is 24 kN/m'. GWT 3 m from ground surface. 50 kN 400 KN 80 KN = 4 m B...
The total load of a chimney and its circular footing is 35 MN, as shown in...
The total load of a chimney and its circular footing is 35 MN,
as shown in the figure. Assume the average unit weight of soil
below and above the water table is the same.
Presume: B (diameter) = 8 m, H = 6 m, and D = 2
m.
According to SPT results, the average N-value for sandy soil
below the footing is 20.
Estimate the values of the friction angle and the average unit
weight of soil based on...
A 3 m square footing carries a vertical downward load of 900 kN. The embedment depth is 1 m. The soil beneath this footing has the following properties: y = 18 kN/m”, Ysat = 20 kN/mº, c' = 5 kPa, and o' = 36º. The groundwater table is at a depth of 2 m below the ground surface. Compute factor of safety against bearing capacity failure.
A square footing, 2 m by 2 m is to be constructed 1.22 m below the ground surface, as shown in the figure below. The groundwater table is located 1.82 m below the ground surface. The subsoil consists of a uniform, medium dense, cohesion less soil with the following properties: Unit weight of soil 18.53KN/m; Angle of internal friction 32 Cohesion Determine the foundation soil's allowable bearing capacity, if a factor of safety of 3.0 is used 1.22 m 1.82...
Problem 5-Bearing Capacity of Shallow Foundation (20 pts) For a square footing foundation, the following are given: B 3.0 m (width), D 1.2 m (depth). Y=20 kN/m3, = 32°, c' = 50 kPa, Use Terzaghi Equation and a factor of safety of 2.5 to determine the allowable bearing capacity and the maximum column load to cause bearing capacity failure. Assume that general shear failure occurs in soil. When Oar C S
number 2 please
1. A continuous footing is shown in the figure below. Using Terzaghi's ultimate b.c. equation and bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing will carry. Given: y 112 pcf, c' 450 psf, ' 22, Dr 4 ft, B 3 ft, and F.S. 3. 4all Unit weight of soil y 2. Repeat problem #1 using the general bearing capacity equation. Use the appropriate assumptions
Q.2 A strip footing of size of 2 m in width is designed to be founded at 1 m below ground level. The footing is subject to a vertical and a horizontal load as shown. The ground consists of a uniform deposit of dense soil which has a bulk unit weight of 18 kN/m when above water table and 20 kN/m² when it is saturated. Determine the allowable ultimate bearing capacity and hence the Factor of safety using the general...
A (9’x9’x32”) square footing is supporting 230 kips dead load
and 130 kips live load from 18-in square column. The allowable
bearing soil pressure is 5000 psf. There is no over-burden soil
weight. Check if the footing area satisfies the soil bearing
pressure requirements. Also, check if the thickness satisfies the
shear ( two and one way) requirements. Finally, design the flexural
steels each direction.
Open book and notes Name a (9%9x32") square footing is supporting 230 kips dead load...
Part 2 A 2 mx 4 m footing is founded at a depth of 0.6 m and supports a vertical load of 400 kN and a horizontal loads of 50 kN and 80 kN. The horizontal loads are acting at 0.9 m above the top of the foundation. The footing is 0.6 m thick and the unit weight of the concrete is 24 kN/m'. GWT 3 m from ground surface. 50 kN 400 KN 80 KN = 4 m B...
The total load of a chimney and its circular footing is 35 MN,
as shown in the figure. Assume the average unit weight of soil
below and above the water table is the same.
Presume: B (diameter) = 8 m, H = 6 m, and D = 2
m.
According to SPT results, the average N-value for sandy soil
below the footing is 20.
Estimate the values of the friction angle and the average unit
weight of soil based on...
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