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 fa-210 MN/m²) D O 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.
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 fa-210 MN/m²) D O 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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text: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 fa-210 MN/m²)
D
U
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.
Transcribed Image Text:designation Sketch of section
PZ-40
PZ-35
PZ-27
PZ-22
PSA-31
PSA-23
409 mm
(16.1 in.)
379 mm
(14.0 in.)
오
304.8 mm
(12 in.)
228.6 mm
(9 in.)
O
- Driving distance - 500 mm (19.69 in.) →→→
12.7 mm (0.5 in.)
15.2 mm (0.6 in.)
- Driving distance = 575 mm (22.64 in.)
12.7 mm (in.)
12.7 mm (0.5 in.)
15.2 mm (0.6 in.)
9.53 mm (in.)
₁
9.53 mm (
Driving distance - 457.2 mm (18 in.)
9.53 mm
9.53 mm
Driving distance = 558.8 mm (22 in.)
(in.)
Driving distance 500 mm (19.7 in.)
3
9.53 mm (in.)
8
in.)
Driving distance 406.4 mm (16 in.) →
of wall
326.4 x 10-5
260.5 x 10-5
162.3 x 10-5
97 x 10-5
10.8 x 10-5
of wall
60.7
of wall of wall
670.5 x 10-6 490.8
48.5 493.4 x 10-6 361.2
30.2 251.5 x 106 184.2
18.1 115.2 x 10-6 84.4
2.01 4.41 x 106 3.23
12.8 x 10-5 2.4 5.63 x 106 4.13
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Step 1: Introduction
VIEWStep 2: Calculation of stress
VIEWStep 3: Stress diagram
VIEWStep 4: Calculation of distance from P to E
VIEWStep 5: Calculation of penetration depth
VIEWStep 6: Bending moment and Anchor load
VIEWStep 7: Selecting a sheet pile section
VIEWStep 8: Selecting a sheet pile section
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