A mat foundation with dimensions of 50' x100' is supporting a total load of 2,875 kips. Dry unit weight of soil is 100 lb/ft^ with a moisture content of 15%. what should be the depth of the mat foundation to avoid any increase in the net pressure due to the new construction.
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A mat foundation with dimensions of 50' x100' is supporting a
total load of 2,875 kips....
HW#10 Given the following column loading and footing information, determine the size of a mat foundation...
HW#10 Given the following column loading and footing information, determine the size of a mat foundation shown below: I 15 Column Information: Column A: Live load = 40 kips, Dead load = 50 kips Column B: Live load = 80 kips, Dead load = 100 kips. Distance between two columns: 15 ft. W soil = 120 psf 24" I CA C. Footing information: Distance from column A to edge of footing: 1 ft. Allowable soil bearing capacity = 3000 psf...
QUESTION 1 Consider a mat foundation has dimensions measuring 18m X 12m. The combined dead and live...
QUESTION 1
Consider a mat foundation has dimensions measuring 18m X
12m. The combined dead and live load on the mat is
44,500kN. Find the depth, Df , of
the mat for a fully compensated foundation on top of a soil with a
unit weight of 17.6 kN/m3.
QUESTION 1 Consider a mat foundation has dimensions measuring 18m X 12m. The combined dead and live load on the mat is 44,500KN. Find the depth, Df, of the mat for a fully compensated...
Net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress ...
net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress increase in the clay layer below the center of the foundation using m&n method Sand 4.5 Groundwater b) Consolidation settlement at Point A and Point B c) Differential Settlement 4 ftx4 ft table Sand sal d) The average degree of consolidation (U%) of Point A when the consolidation settlement is 0.5" ,-I 20 lb/ft3 C0.01 ft /day 10ftCe 0.25 e) Consolidation settlement (St)...
1. For the foundation shown below: spp 60 kips (Load obtained from structural engineer) G.W.T 몰3...
1. For the foundation shown below: spp 60 kips (Load obtained from structural engineer) G.W.T 몰3ft Poorly Graded Sand (SP): 1m115 pcf (above G.W.T.) Ysat 125 pcf (below G.W.T.) Square footing, 4'x 4 imension Infoma 1-ft x 1-ft square concrete column. 1-ft thick foot" flanges conc 150 pcf Assume weight of reinforcing steel included in unit weight of concrete. Assume compacte weighs the same as in-situ soil d backfil Assume this foundation is being designed for a warehouse that had...
1. Design a wall footing for the following conditions. Service dead load is 6 kips/ft, service...
1. Design a wall footing for the following conditions. Service dead load is 6 kips/ft, service live load is 8 kips/ft. Soil unit weight is 120 lb/ft?. Allowable soil pressure, qa is 4000 psf. The base of the footing is placed 3 ft below the ground surface. Wall is 12 in, thick. Geotechnical analyses have determined the width to be 4 ft. fe' = 3500 psi normal weight concrete, and fy = 60 ksi. Note: you don't need to design...
A Compute the total load, Qq, in kips, using the Hansen equations, for a footing 4...
A Compute the total load, Qq, in kips, using the Hansen equations, for a footing 4 ft wide by 8 ft long founded on a stratum of sand. The vertical load is uniformly distributed; there is no horizontal load. The value of Dƒ is 3.5 ft, the water table is at the base of the footing, and the friction angle from the triaxial test is 30. For the sand above the base of the footing, the water content is 20%,...
Homework #10 A soil exploration result of a site is shown in the following figure. A...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
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...
I need help on this Geotechnical Engineering its due today W = V V = W,...
I need help on this Geotechnical Engineering its due
today
W = V V = W, = -- Air Water Solid Figure 3.13 3.4 During a compaction test in the geotechnical laboratory, the students com- pacted a clayey soil into a cylindrical mold 4 in. in diameter and 4.58 in. in height. The compacted soil in the mold weighed 4 lb, and it had a moisture content of 12%. If G = 2.72, determine the following: a. Dry unit weight...
HW#10 Given the following column loading and footing information, determine the size of a mat foundation shown below: I 15 Column Information: Column A: Live load = 40 kips, Dead load = 50 kips Column B: Live load = 80 kips, Dead load = 100 kips. Distance between two columns: 15 ft. W soil = 120 psf 24" I CA C. Footing information: Distance from column A to edge of footing: 1 ft. Allowable soil bearing capacity = 3000 psf...
QUESTION 1
Consider a mat foundation has dimensions measuring 18m X
12m. The combined dead and live load on the mat is
44,500kN. Find the depth, Df , of
the mat for a fully compensated foundation on top of a soil with a
unit weight of 17.6 kN/m3.
QUESTION 1 Consider a mat foundation has dimensions measuring 18m X 12m. The combined dead and live load on the mat is 44,500KN. Find the depth, Df, of the mat for a fully compensated...
net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress increase in the clay layer below the center of the foundation using m&n method Sand 4.5 Groundwater b) Consolidation settlement at Point A and Point B c) Differential Settlement 4 ftx4 ft table Sand sal d) The average degree of consolidation (U%) of Point A when the consolidation settlement is 0.5" ,-I 20 lb/ft3 C0.01 ft /day 10ftCe 0.25 e) Consolidation settlement (St)...
1. For the foundation shown below: spp 60 kips (Load obtained from structural engineer) G.W.T 몰3ft Poorly Graded Sand (SP): 1m115 pcf (above G.W.T.) Ysat 125 pcf (below G.W.T.) Square footing, 4'x 4 imension Infoma 1-ft x 1-ft square concrete column. 1-ft thick foot" flanges conc 150 pcf Assume weight of reinforcing steel included in unit weight of concrete. Assume compacte weighs the same as in-situ soil d backfil Assume this foundation is being designed for a warehouse that had...
1. Design a wall footing for the following conditions. Service dead load is 6 kips/ft, service live load is 8 kips/ft. Soil unit weight is 120 lb/ft?. Allowable soil pressure, qa is 4000 psf. The base of the footing is placed 3 ft below the ground surface. Wall is 12 in, thick. Geotechnical analyses have determined the width to be 4 ft. fe' = 3500 psi normal weight concrete, and fy = 60 ksi. Note: you don't need to design...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
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...
I need help on this Geotechnical Engineering its due
today
W = V V = W, = -- Air Water Solid Figure 3.13 3.4 During a compaction test in the geotechnical laboratory, the students com- pacted a clayey soil into a cylindrical mold 4 in. in diameter and 4.58 in. in height. The compacted soil in the mold weighed 4 lb, and it had a moisture content of 12%. If G = 2.72, determine the following: a. Dry unit weight...
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