MindTap Engineering, 1 term (6 months) Printed Access Card for Das/Sivakugan’s Principles of Foundation Engineering, 9th
9th Edition
ISBN: 9781337705202
Author: Das, Braja M., SIVAKUGAN, Nagaratnam
Publisher: Cengage Learning
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Chapter 18, Problem 18.12P
To determine
Find the depth of sheet pile.
Find the anchor force and the maximum bending moment.
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106.00
102.25
1:5
100.50
100.00
98.50
99.25
[97.25L
b = 15.75
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2. Design the anchored sheet pile wall supporting a loose sand fill as shown in the
following Figure. GWT is at the same height on both sides, and assume yw=10kN/m³.
Based on the log spiral solutions, the Ka for the loose sand is 0.3 while the K₂ and Kp
for the dense sand are 0.2 and 13.125, respectively. Using the free earth support
method, do the following:
a) For a factor of safety of 2 on the passive resistance, determine the required depth of
penetration depth, D. (initial trial with D'=1.5m)
b) Determine the bending moment and the anchor load.
D
7.0m.
Yt = 16.5 kN/m³
' = 30°
Loose sand fill:
Yt 19.5 kN/m3
' = 30°
Dense sand:
Yt = 21 kN/m³
$' = 40°
q=10 kN/m²
1.5m.
0.5m.
T
2. Design the anchored sheet pile wall supporting a loose sand fill as shown in the
following Figure. GWT is at the same height on both sides, and assume yw=10kN/m³.
Based on the log spiral solutions, the K₂ for the loose sand is 0.3 while the K₂ and Kp
for the dense sand are 0.2 and 13.125, respectively. Using the free earth support
method, do the following:
a) For a factor of safety of 2 on the passive resistance, determine the required depth of
penetration depth, D. (initial trial with D'=1.5m)
b) Determine the bending moment and the anchor load.
c) Select a sheet pile section from the Table 9.1 (E-210x10³ MN/m² and far-210 MN/m²)
3. Re-design the wall using the fixed earth support method and comment on the
different results from the two methods.
7.0m.
D
Yt = 16.5 kN/m³
$' = 30°
Loose sand fill:
Yt = 19.5 kN/m3
' = 30°
Dense sand:
Yt = 21 kN/m³
$' = 40°
↓q=10
1.5m.
0.5m.
kN/m²
Chapter 18 Solutions
MindTap Engineering, 1 term (6 months) Printed Access Card for Das/Sivakugan’s Principles of Foundation Engineering, 9th
Ch. 18 - Refer to Figure 18.9. A cantilever sheet pile is...Ch. 18 - Prob. 18.2PCh. 18 - Prob. 18.3PCh. 18 - Refer to Figure 18.13. Given L1 = 1.5 m, L2 = 3 m;...Ch. 18 - In Problem 18.4, find the maximum bending moment...Ch. 18 - Prob. 18.6PCh. 18 - Prob. 18.7PCh. 18 - Prob. 18.8PCh. 18 - Refer to Figure 18.23. Given L1=3m, L2=6m,...Ch. 18 - Prob. 18.10P
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- 2. Design the anchored sheet pile wall supporting a loose sand fill as shown in the following Figure. GWT is at the same height on both sides, and assume yw=10kN/m³. Based on the log spiral solutions, the Ka for the loose sand is 0.3 while the Ka and Kp for the dense sand are 0.2 and 13.125, respectively. Using the free earth support method, do the following: a) For a factor of safety of 2 on the passive resistance, determine the required depth of penetration depth, D. (initial trial with D'=1.5m) b) Determine the bending moment and the anchor load. c) Select a sheet pile section from the Table 9.1 (E=210x10³ MN/m² and fair-210 MN/m²) kN/m² D 7.0m. Yt = 16.5 kN/m³ o'= 30° Loose sand fill: Yt 19.5 kN/m3 o' = = 30° Dense sand: Yt = 21 kN/m³ $' = 40° q=10 1.5m. 0.5m. Tarrow_forward14.10 An anchored sheet-pile bulkhead is shown in Figure P14.10. Let L₁= 2 m, L₂=6m, /,= 1 m, y = 16 kN/m³, Ysat 18.86 kN/m³, d' = 32°, and c = 27 kN/m². a. Determine the theoretical depth of embedment, D. b. Calculate the anchor force per unit length of the sheet-pile wall. Use the free earth support method. 只考求D Water table Anchor Sand Sand Yo e'=0 Clay Figure P14.10arrow_forwardA 600mm diameter pile is embedded in 3 layers of dense sand at a depth of 17m. Nq = 86. The groundwater table is situated between Layers 2 and 3. The layers have the following properties: Layer 1: γ = 16.9 kN/m3. 3m thick. Layer 2: γ = 17.6 kN/m3. 5.5m thick. Layer 3: γsat = 19.65 kN/m3. K is 0.9 and tan α = 0.37. The factor of safety is 3.0. What is the skin friction resistance of the pile in kN? None of the choices 1684.170 1477.156 1257.150 1322.744 866.118 Please answer this asap. For upvote. Thank you vey much.arrow_forward
- A 600mm diameter pile is embedded in 3 layers of dense sand at a depth of 17m. Nq = 86. The groundwater table is situated between Layers 2 and 3. The layers have the following properties: Layer 1: γ = 16.9 kN/m3. 3m thick. Layer 2: γ = 17.6 kN/m3. 5.5m thick. Layer 3: γsat = 19.65 kN/m3. K is 0.9 and tan α = 0.37. The factor of safety is 3.0. What is the allowable axial load capacity of the pile in kN? 5476.785 1750.169 1127.606 2439.011 None of the choices 2365.846 Please answer this asap. For upvote. Thank you very mucharrow_forwardAn anchored sheet-pile bulkhead is shown in Figure P14.10. Let L1 = 2 m, L2 = 6 m, l1 = 1 m, γ = 16 kN/m3, γsat = 18.86 kN/m3, Φ' = 32º, and c = 27 kN/m2.a. Determine the theoretical depth of embedment, D.b. Calculate the anchor force per unit length of the sheet-pile wall. Use the free earth support method.arrow_forwardIn Problem 14.6, assume that Dactual = 1.3 Dtheory.a. Determine the theoretical maximum moment.b. Using Rowe’s moment reduction technique, choose a sheet-pile section. Take E = 210 x 103 MN/m2 and σall = 210,000 kN/m2.arrow_forward
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