Homework Answers
Figure 15.45 shows a gravity retaining wall retaining a granular (c' = 0) backfill. The same soil is present at the bottom of the wall and on the left. The unit weight and the friction angle of the backfill are 18.5 kN/m3 and 35°, respectively. The unit w
Figure 15.45 shows a gravity retaining wall retaining a granular (c' = 0) backfill. The same soil is present at the bottom of the wall and on the left. The unit weight and the friction angle of the backfill are 18.5 kN/m3 and 35°, respectively. The unit weight of concrete is 24.0 kN/m3. Determine the factors of safety with respect to overturning, sliding, and bearing capacity failure. Use Rankine earth pressure theory.
You have to review the design of a cantilevered concrete retaining wall designed for the height a...
You have to review the design of a cantilevered concrete retaining wall designed for the height and soil as shown in the figure. Please check the design and provide your recommendation for the following situation: - 200 psf Surcharge load on top of the backfill material Lean clay at foundation same soil for backfill Dry unit weight of soil Cohesion/adhesion of the clay/concrete Bearing capacity of the soil Active earth pressure coefficient Ignore the effect of ground water table Unit...
a) What is the factor of safety against overturning? b) What is the distance from A...
a) What is the factor of safety against
overturning?
b) What is the distance from A the normal for N acts? Is
100% of the base in contact with the soil based on this
information?
c) If the foundation soil is sand and the interface
friction angle is 37 degrees, what is the factor of safety against
sliding
d) What is the factor of safety against bearing capacity
failure (use Meyerhoffs Method) if the ultimate capacity of the
foundation soil...
a) A cantilever retaining wall is constructed to retain the earth in order to create a...
a) A cantilever retaining wall is constructed to retain the earth in order to create a change of elevation. The stability aspect of a retaining wall is important to prevent any failure of the structure. Referring to Figure 2, check the stability of the cantilever retaining wall against: (i) Sliding (ii) Rotation (ii) Bearing failure (iv) Short conclusion on the stability of the wall [5 marks] [4 marks] [3 marks [2 marks] 0.5 m 4.0 m 0.8 m 1.2 m...
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...
Please solve each and explain process and equations 5. (30) Define allowable bearing capacity of a circular foundation of a radius 2R-18 ft using the Terzaghi's bearing capacity equation for a gen...
Please solve each and explain
process and equations
5. (30) Define allowable bearing capacity of a circular foundation of a radius 2R-18 ft using the Terzaghi's bearing capacity equation for a general failure, if the water table were at and below the elevation of the bottom of the foundation. A factor of safety is 2.2. Qall 6 ft SAND φ =36 0 e007 2R 16 ft> 16 ft CLAY 18 ft : 0.5 еой 0.8 Y sat 135 pcf ROCK...
1 Calculate the factor of safety against overturning and sliding for the concrete retaining wall ...
1 Calculate the factor of safety against overturning and sliding for the concrete retaining wall shown in the figure below, without taking into consideration the passive earth pressure. (50 Points) Assume that 115 lbs/cf unit weight of soil: unit weight of concrete: 150 lbs/cf angle of internal friction: 30 coefficient of friction: 0.350 0° B: 14 5' 2" Ha 14 2.5 Compaction (Soils engineering uses the symbol ys for dry density and uses the term dry unit weight. In the...
its problem 17.6 on foundation engineering ninth edition by Braja M.Das 17.6 ung Coulomb's earth pressures....
its problem 17.6 on foundation engineering ninth edition by
Braja M.Das
17.6 ung Coulomb's earth pressures. It is required to design a cantilever retaining wall to retain a 5.0 m high sandy backfill. The consultant suggests the dimensions and soil properties shown in Figure P17.6 and requires that the wall be checked for stability with respect to sliding and overturning based on the active earth pressures determined using 0.5 mm 110° EDT Sand y = 18.5 kN/m3 6' = 36°...
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...
RCD3601/101/0/2019 QUESTION 8 Figura o shows the section through a neonased reinforced concrete cantilever retaining wall...
RCD3601/101/0/2019 QUESTION 8 Figura o shows the section through a neonased reinforced concrete cantilever retaining wall that will be situated on a property boundary. Grade 30/19 concrete and high tensile steel reinforcement is to be The backfill behind the wall is sloping at an angle of 15º measured from the horizontal and is subjected to an imposed load of 2.5 kN/m². A geotechnical report gave the following soil parameters: • Unit weight of soil (V) = 17 kN/m • Angle...
You have to review the design of a cantilevered concrete retaining wall designed for the height and soil as shown in the figure. Please check the design and provide your recommendation for the following situation: - 200 psf Surcharge load on top of the backfill material Lean clay at foundation same soil for backfill Dry unit weight of soil Cohesion/adhesion of the clay/concrete Bearing capacity of the soil Active earth pressure coefficient Ignore the effect of ground water table Unit...
a) What is the factor of safety against
overturning?
b) What is the distance from A the normal for N acts? Is
100% of the base in contact with the soil based on this
information?
c) If the foundation soil is sand and the interface
friction angle is 37 degrees, what is the factor of safety against
sliding
d) What is the factor of safety against bearing capacity
failure (use Meyerhoffs Method) if the ultimate capacity of the
foundation soil...
a) A cantilever retaining wall is constructed to retain the earth in order to create a change of elevation. The stability aspect of a retaining wall is important to prevent any failure of the structure. Referring to Figure 2, check the stability of the cantilever retaining wall against: (i) Sliding (ii) Rotation (ii) Bearing failure (iv) Short conclusion on the stability of the wall [5 marks] [4 marks] [3 marks [2 marks] 0.5 m 4.0 m 0.8 m 1.2 m...
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...
Please solve each and explain
process and equations
5. (30) Define allowable bearing capacity of a circular foundation of a radius 2R-18 ft using the Terzaghi's bearing capacity equation for a general failure, if the water table were at and below the elevation of the bottom of the foundation. A factor of safety is 2.2. Qall 6 ft SAND φ =36 0 e007 2R 16 ft> 16 ft CLAY 18 ft : 0.5 еой 0.8 Y sat 135 pcf ROCK...
1 Calculate the factor of safety against overturning and sliding for the concrete retaining wall shown in the figure below, without taking into consideration the passive earth pressure. (50 Points) Assume that 115 lbs/cf unit weight of soil: unit weight of concrete: 150 lbs/cf angle of internal friction: 30 coefficient of friction: 0.350 0° B: 14 5' 2" Ha 14 2.5 Compaction (Soils engineering uses the symbol ys for dry density and uses the term dry unit weight. In the...
its problem 17.6 on foundation engineering ninth edition by
Braja M.Das
17.6 ung Coulomb's earth pressures. It is required to design a cantilever retaining wall to retain a 5.0 m high sandy backfill. The consultant suggests the dimensions and soil properties shown in Figure P17.6 and requires that the wall be checked for stability with respect to sliding and overturning based on the active earth pressures determined using 0.5 mm 110° EDT Sand y = 18.5 kN/m3 6' = 36°...
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...
RCD3601/101/0/2019 QUESTION 8 Figura o shows the section through a neonased reinforced concrete cantilever retaining wall that will be situated on a property boundary. Grade 30/19 concrete and high tensile steel reinforcement is to be The backfill behind the wall is sloping at an angle of 15º measured from the horizontal and is subjected to an imposed load of 2.5 kN/m². A geotechnical report gave the following soil parameters: • Unit weight of soil (V) = 17 kN/m • Angle...
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