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A cantilever concrete retamung wall, sbowa in Figure 1. is required to retain 11.3 m of...
Figure 1.1, below, shows a proposed concrete cantilever retaining wall Assess the stability of the wall...
Figure 1.1, below, shows a proposed concrete cantilever retaining wall Assess the stability of the wall assuming that u 0.45, Yconc. =24 kN/m8, the maximum (i) allowable bearing pressure for the sand is 200 kPa, and the wall rotates about point O. (18 marks) (ii) f the proposed wall does not satisfy the design criteria, list 4 options that might be employed to improve the wall's stability. (2 marks) 1 2. 3. 4. 300 mm с, — 20 kPa =...
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...
4 m 2 m Sand γ-18.0 kNm? 3 -33° 6.0 m 3 m 2.0 m I...
4 m 2 m Sand γ-18.0 kNm? 3 -33° 6.0 m 3 m 2.0 m I m 2 m 2.5 m Determine the factor of safety of the retaining wall shown in figure against sliding and overturning. Also calculate the bearing pressure at the toe of the wall. The unit weight of the concrete is 24 kN/m 3, take δ = 2/3 of friction angle. Use Rankine's pressure and neglect passive resistance. 2.
Problem 2 130 points) A gravity cantilever wall is being designed to contain water in a canal, as shown in Figure 3.3 (Note: There is water only on the left side of the wall, there is no water un...
Problem 2 130 points) A gravity cantilever wall is being designed to contain water in a canal, as shown in Figure 3.3 (Note: There is water only on the left side of the wall, there is no water underneath the base of the wall and on the right side of the wall. 0.8 m Water -10kN/m 4.0m Clay 1.0m (No water) 2.0m 4-39 Concrete -16kN/m Dense gravelly sand (No water) e-仰 5.0m Figure 3-Gravity cantilever wall and material properties Regarding...
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°...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m below the ground surface Soil properties for clay: c' Soil properties for sand:4, 10 kPa, φ,-26", and γ = 18 kN/㎡ 32°, and -20 kNm? a. 20 points) Plot active and passive lateral earth pressures on both si b. (5 points) Calculate the passive horizontal force acting on the wall. 20 kN/m2 clay sand 2 m wall
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...
QUESTION 3 (40 Points) A concrete cantilever retaining wall is shown in the figure below. Using...
QUESTION 3 (40 Points) A concrete cantilever retaining wall is shown in the figure below. Using Rankine's Theory for the earth pressures, check stability against overturning and sliding. CLEARLY STATE THE REASONS FOR ANY ASSUMPTIONS YOU MAY MAKE. →lak Ground level I=I =//= y = ? 0 = ? c=0 Unit weightconcrete =24kN/m Pp=0 | 7 m 721211 Pick your own input data for the variables a, b,d,e, f such that a<f and that all the dimensions will make sense...
The following figure shows a section of a long reinforced concrete cantilever wall with unit weight...
The following figure shows a section of a long reinforced concrete cantilever wall with unit weight of 23.5 kN/m”. The distributed surcharge on the back of the wall is a live load. The following properties are known for the backfill: unit weight saturated unit weight shear strength parameters 7 = 17 kN/m3 7sat = 20 kN/m3 d =0 Ó' = 25° d = 20° friction angle between wall and soil a. Determine the factor of safety against overturning (about the...
b) In a construction site of a congested city, a vertical cut slope will be constructed...
b) In a construction site of a congested city, a vertical cut slope will be constructed to maximize the land area. Hence, a 5.0 m height of concrete cantilever wall was selected. If the unit weight of the concrete wall is 24 kN/m and the cross-sectional view of the wall is shown as in Figure Q2(b); (i) Draw the lateral earth pressure diagram using Rankine-Bell theory for active and passive state. Determine the lateral thrust (P) and its line of...
Figure 1.1, below, shows a proposed concrete cantilever retaining wall Assess the stability of the wall assuming that u 0.45, Yconc. =24 kN/m8, the maximum (i) allowable bearing pressure for the sand is 200 kPa, and the wall rotates about point O. (18 marks) (ii) f the proposed wall does not satisfy the design criteria, list 4 options that might be employed to improve the wall's stability. (2 marks) 1 2. 3. 4. 300 mm с, — 20 kPa =...
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...
4 m 2 m Sand γ-18.0 kNm? 3 -33° 6.0 m 3 m 2.0 m I m 2 m 2.5 m Determine the factor of safety of the retaining wall shown in figure against sliding and overturning. Also calculate the bearing pressure at the toe of the wall. The unit weight of the concrete is 24 kN/m 3, take δ = 2/3 of friction angle. Use Rankine's pressure and neglect passive resistance. 2.
Problem 2 130 points) A gravity cantilever wall is being designed to contain water in a canal, as shown in Figure 3.3 (Note: There is water only on the left side of the wall, there is no water underneath the base of the wall and on the right side of the wall. 0.8 m Water -10kN/m 4.0m Clay 1.0m (No water) 2.0m 4-39 Concrete -16kN/m Dense gravelly sand (No water) e-仰 5.0m Figure 3-Gravity cantilever wall and material properties Regarding...
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°...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m below the ground surface Soil properties for clay: c' Soil properties for sand:4, 10 kPa, φ,-26", and γ = 18 kN/㎡ 32°, and -20 kNm? a. 20 points) Plot active and passive lateral earth pressures on both si b. (5 points) Calculate the passive horizontal force acting on the wall. 20 kN/m2 clay sand 2 m 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...
QUESTION 3 (40 Points) A concrete cantilever retaining wall is shown in the figure below. Using Rankine's Theory for the earth pressures, check stability against overturning and sliding. CLEARLY STATE THE REASONS FOR ANY ASSUMPTIONS YOU MAY MAKE. →lak Ground level I=I =//= y = ? 0 = ? c=0 Unit weightconcrete =24kN/m Pp=0 | 7 m 721211 Pick your own input data for the variables a, b,d,e, f such that a<f and that all the dimensions will make sense...
The following figure shows a section of a long reinforced concrete cantilever wall with unit weight of 23.5 kN/m”. The distributed surcharge on the back of the wall is a live load. The following properties are known for the backfill: unit weight saturated unit weight shear strength parameters 7 = 17 kN/m3 7sat = 20 kN/m3 d =0 Ó' = 25° d = 20° friction angle between wall and soil a. Determine the factor of safety against overturning (about the...
b) In a construction site of a congested city, a vertical cut slope will be constructed to maximize the land area. Hence, a 5.0 m height of concrete cantilever wall was selected. If the unit weight of the concrete wall is 24 kN/m and the cross-sectional view of the wall is shown as in Figure Q2(b); (i) Draw the lateral earth pressure diagram using Rankine-Bell theory for active and passive state. Determine the lateral thrust (P) and its line of...
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