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15. Your company was just awarded a project to construct a new building within about 20-ft...
10. A proposed attice building will include an 8.1 bin square, 3-ft deep spread ating that...
10. A proposed attice building will include an 8.1 bin square, 3-ft deep spread ating that will support a vertical downward service load of 160 k The soil below this footing is an overconsolidated clay (OC case with the following engineering properties Cell + ) = 0 10. C I + )-0022, and y = 113 ih This soil strata extends to a great depth and the groundwater table is at a depth of 50 It below the ground surface...
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie....
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie. ф and c). The ultimate bearing capacity (qultnei) of the soil is calculated using the following equation: Dr qult.net bearing capacity failure surface i. Frictional resistance along failure surface due to self-weight of soil below footing level footing level. Ny. No, and Ng are dimensionless bearing capacity factors that depend on the ii. Cohesive resistance along failure surface below footing level. iii. Frictional resistance...
Please see picture below for question #1, parts a-d. Do you agree with my answers ?...
Please see picture below for question #1, parts a-d. Do you
agree with my answers ?
a. 25 borings seems like enough for a 100' x 100' building,
that's 4 every 25ft.
b. Borings are only 20 feet, I feel like this should be deeper
for a 3-story building on poor soil. I would bore to 40ft.
c. If the number or depth of borings seem inadequate, as does
the depth of the borings, I'd have them done to a...
help please A square footing is founded at 3-ft depth below ground surface as shown in...
help please
A square footing is founded at 3-ft depth below ground surface as shown in Fig1, The factored axial load acting on the square footing is 140 kips, Determine the size of the footing (B x B) if the Factor of Safety (F.S.) is 3.0. Ground surface ЗА B-? Silty Sand Fig.1 A 68-ft long pre-stressed concrete pile with square cross section (14 inch) is driven into the soil profile shown in Fig. 2. Compute the ultimate compressive load...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500 b. A plane through a sample of this soil has an effective normal stress of c. Use a Mohr circle that touches the failure enve psf and 32 deg. acting on it. What is the shear strength of the soil on that plane? of 2000 psf to estimate the values of σ, and σ, at a state of shear failure 2000 psf lope at...
An industrial building is to be supported on a series of 14 -in square prestressed concrete piles which will be driven 45 ft into the following soil profiles
Q4. An industrial building is to be supported on a series of 14 -in square prestressed concrete piles which will be driven 45 ft into the following soil profiles:Depth (ft)Soil classificationFriction angle phi^(') (deg)Relative density D_(r)N_(60)Unit weight gamma (lb//ft^(3))0-10.0Silty sand (SM)3340%1210010.0-16.5Sandy silt (ML)3150%1611016.5-35.0Fine to medium sand (SW)3562%3012535.0-65.0Well-graded sand (SW)3768%35126The groundwater table is at a depth of 15 ft and all of the strata may be assumed to be normally consolidated. These piles have been designed without the benefit of any...
Problem 3: (45 points) A square foundation was decided to be constructed to support the load...
Problem 3: (45 points) A square foundation was decided to be constructed to support the load of a column in a residential building construction project located in Claremont, CA. During the site investigation, only sandy soil (c'=0) was encountered. The ground water was observed at the depth 1.2m from ground level. Obtained samples were tested in the lab and the internal friction angle of the soil was found to be equal to 30°. The unit weight of the soil above...
Problem 3: 40 points) A square foundation was decided to be constructed to support the load...
Problem 3: 40 points) A square foundation was decided to be constructed to support the load of a column in a residential building construction project located in Claremont, CA. During the site investigation, only sandy soil (c'= 0) was encountered. The ground water was observed at the depth 1.2m from ground level. Obtained samples were tested in the lab and the internal friction angle of the soil was found to be equal to 30°. The unit weight of the soil...
The following case study involving a failure in fissured over-consolidated clay slope was reported by Henkel...
The following case study involving a failure in fissured over-consolidated clay slope was reported by Henkel and Skempton in 1954. The failure occurred in 1952 in Jackfield, Shropshire, England. The slope profile is shown in Figure 1. The failure was a translational slide where the average depth to the failure plane was 17 ft. The ground water table was very near or at the surface. The peak strength parameters of the over-consolidated clay are: cohesion, c'= 220 psf and friction...
1. A 12-story residential apartment is about to be built. The site investigate has been completed and the soil strata information is provided. The area of the footprint of the building is 100...
1. A 12-story residential apartment is about to be built. The site investigate has been completed and the soil strata information is provided. The area of the footprint of the building is 100 x200 ft2 and the height of the building is 180 ft. The estimated vertical dead load of each story is 1000 kips and vertical live load is 15 psf. Based on the FEMA database, the building may be subjected to category S hurricane. a. Please design drilled...
10. A proposed attice building will include an 8.1 bin square, 3-ft deep spread ating that will support a vertical downward service load of 160 k The soil below this footing is an overconsolidated clay (OC case with the following engineering properties Cell + ) = 0 10. C I + )-0022, and y = 113 ih This soil strata extends to a great depth and the groundwater table is at a depth of 50 It below the ground surface...
3. The bearing capacity of shallow foundations (i.e. footings) depends on the soil shear strength (ie. ф and c). The ultimate bearing capacity (qultnei) of the soil is calculated using the following equation: Dr qult.net bearing capacity failure surface i. Frictional resistance along failure surface due to self-weight of soil below footing level footing level. Ny. No, and Ng are dimensionless bearing capacity factors that depend on the ii. Cohesive resistance along failure surface below footing level. iii. Frictional resistance...
Please see picture below for question #1, parts a-d. Do you
agree with my answers ?
a. 25 borings seems like enough for a 100' x 100' building,
that's 4 every 25ft.
b. Borings are only 20 feet, I feel like this should be deeper
for a 3-story building on poor soil. I would bore to 40ft.
c. If the number or depth of borings seem inadequate, as does
the depth of the borings, I'd have them done to a...
help please
A square footing is founded at 3-ft depth below ground surface as shown in Fig1, The factored axial load acting on the square footing is 140 kips, Determine the size of the footing (B x B) if the Factor of Safety (F.S.) is 3.0. Ground surface ЗА B-? Silty Sand Fig.1 A 68-ft long pre-stressed concrete pile with square cross section (14 inch) is driven into the soil profile shown in Fig. 2. Compute the ultimate compressive load...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500 b. A plane through a sample of this soil has an effective normal stress of c. Use a Mohr circle that touches the failure enve psf and 32 deg. acting on it. What is the shear strength of the soil on that plane? of 2000 psf to estimate the values of σ, and σ, at a state of shear failure 2000 psf lope at...
Problem 3: (45 points) A square foundation was decided to be constructed to support the load of a column in a residential building construction project located in Claremont, CA. During the site investigation, only sandy soil (c'=0) was encountered. The ground water was observed at the depth 1.2m from ground level. Obtained samples were tested in the lab and the internal friction angle of the soil was found to be equal to 30°. The unit weight of the soil above...
Problem 3: 40 points) A square foundation was decided to be constructed to support the load of a column in a residential building construction project located in Claremont, CA. During the site investigation, only sandy soil (c'= 0) was encountered. The ground water was observed at the depth 1.2m from ground level. Obtained samples were tested in the lab and the internal friction angle of the soil was found to be equal to 30°. The unit weight of the soil...
The following case study involving a failure in fissured over-consolidated clay slope was reported by Henkel and Skempton in 1954. The failure occurred in 1952 in Jackfield, Shropshire, England. The slope profile is shown in Figure 1. The failure was a translational slide where the average depth to the failure plane was 17 ft. The ground water table was very near or at the surface. The peak strength parameters of the over-consolidated clay are: cohesion, c'= 220 psf and friction...
1. A 12-story residential apartment is about to be built. The site investigate has been completed and the soil strata information is provided. The area of the footprint of the building is 100 x200 ft2 and the height of the building is 180 ft. The estimated vertical dead load of each story is 1000 kips and vertical live load is 15 psf. Based on the FEMA database, the building may be subjected to category S hurricane. a. Please design drilled...
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