For the anchored sheet pile shown below, do the following: 1. Draw the lateral earth pressure distribution with depth. 2. Calculate the depth of penetration (D). 3. Calculate the anchor force per unit length of the sheet pile. 4. Calculate Maximum moment. 1.5m 1.5m O MOS + + 6m q=30kN/m² y = 17 kN/m² F = 36 y = 17 kN/m³ + = 32" Y= 18 kN/m² + = 20° C = 30 kN/m²

For the anchored sheet pile shown below, do the following: 1. Draw the lateral earth pressure distribution with depth. 2. Calculate the depth of penetration (D). 3. Calculate the anchor force per unit length of the sheet pile. 4. Calculate Maximum moment. 1.5m 1.5m O MOS + + 6m q=30kN/m² y = 17 kN/m² F = 36 y = 17 kN/m³ + = 32" Y= 18 kN/m² + = 20° C = 30 kN/m²

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.8P

See similar textbooks

Similar questions

For the braced cut described in Problem 15.16, assume that all = 170 MN/m2. a. Determine the sheet pile section (section modulus) b. What is the section modulus of the wales at level A? 15.16 Refer to the braced cut in Figure 15.50, for which = 17 kN/m3, = 30, and c = 0. The struts are located at 3 m on center in the plan. Draw the earth pressure envelope and determine the strut loads at levels A, B, and C. FIG. 15.50
The cross section of a braced cut supporting a sheet pile installation in a clay soil is shown in Figure 14.22. Given: H = 12 m, clay = 17.9 kN/m3, = 0, c = 75 kN/m2, and the center-to-center spacing of struts in plan view, s = 3 m. a. Using Pecks empirical pressure diagrams, draw the earth-pressure envelope. b. Determine the strut loads at levels A, B, and C.
An 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.
A 5 m wide braced excavation is made in a saturated clay, as shown in Figure P19.1, with the following properties: c = 20 kN/m2, = 0, and = 18.5 kN/m3. The struts are spaced at 5 m center to center in plan. a. Determine the strut forces. b. Determine the section modulus of the sheet pile required, assuming all = 170 MN/m2. c. Determine the maximum moment for the wales at levels B and C.
Refer to Figure 18.9. A cantilever sheet pile is driven into a granular soil where the water table is 2 m (L1) below the top of the sand. The properties of the sand are =40, =17.5kN/m3, and sat=19kN/m3. It is proposed to excavate to a depth of 6 m (L) below the ground level. Determine the actual depth to which the sheet pile must be driven (L + D), using the net lateral pressure diagram. Note: Dactual=1.3(L3+L4)theory
Problem #1 The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, L1 = 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m3, saturated unit weight = 5 18.2 kN/m3, and friction angle of sand = 32 degrees. a. What is the theoretical depth of embedment, D? b. For a 30% increase in D, what should be the total length of the sheet piles? c. Determine the theoretical maximum moment of the sheet pile. d. If the allowable flexural stress = 170 MPa, compute the required section modulus of the sheet pile.
A vertical sheet pile supports a horizontal backfill having a height of 4.5m. The backfill has a unit weight (γsat) of 19.67 kN/m^3 and an angle of internal friction of 35o. (1) Compute the required depth of penetration, (2) compute the total active force on the sheet pile, (3) compute the maximum bending moment in the cantilever sheet pile.
In Problem 18.4, find the maximum bending moment in the sheet pile and determine the required section modulus, assuming an allowable stress of 190 MN/m2. 18.4 Refer to Figure 18.13. Given L1 = 1.5 m, L2 = 3 m; for the sand, =33, =16.5kN/m3, sat=19.0kN/m3; and, for the clay, c=50kN/m2, =0, sat=20kN/m3. Determine the depth of sheet pile required, allowing for a 50% increase from the theoretical estimate.
A 4-m high embankment is to be constructed as shown in the Fig. 3 below. If the unit weight of soil used in the embankment is 19.0 kN/m3, calculate the vertical stress due to the embankment loading at points P1, P2 and P3. Use the Straight Line Law of Osterberg, 1957.
Determine the factor of safety against heave on the downstream side of the single-row sheet pile structure shown in Figure 9.30. Use the following soil and design parameters: H1 = 7 m, H2 = 3 m, thickness of permeable layer (T) = 12 m, design depth of penetration of sheet pile (D) = 4.5 m, and γsat = 17 kN/m3
Given Figure E1, draw the active earth pressure distribution. Use gw = 9.81 kN/m3. Determine the magnitude and location of the active thrust.
A cantilever sheet pile 8.20m long is embedded to a depth of 3.20m. It supports dry sand with a dry unit weight of 15.72kN/m3 and an angle of shearing resistance of 34°. The water table is located at the bottom of the sheet pile. Which of the following most nearly gives the total active pressure acting on the sheet pile per meter width?