Details of an anchored sheet pile wall are given in Figure 3. The ties are spaced at 2m centers. The saturatedunit weight of soil is 18kN/m². Characteristic soil parameters are c=0, '=30°.a) Determine the force in each tie rod for a factor of safety of 2.b) Calculate the maximum moment acting on the sheet pile and determine the design moment usingRowe Moment Reduction.Figure 3.T6.0m7.0mSurcharges q-10 kN/m²1.5 mTGWT

GivenSoil and Structural Parameters:Soil unit weight (γ) = 18 kN/m³Soil friction angle (ϕ) = 30°No…

Answered: Details of an anchored sheet pile wall…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.8P

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An excavation in soft clay is supported by a braced sheet pile wall. Calculate the force in strut A. O a. 631.92 kN O b. 151.67 kN O c. 203.53 kN O d. 430.87 kN Struts are spaced 2.5 m centre to centre Soft clay %=17kN/m³ S20 kPa $=0° max=yH = YH (1-4) H Q|25H
In 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.
a signage is connected to a pole as shown in the figure. if the pole is a hollow shaft with ouside and inner diameter s 100mm and 70mm respectively. A wind pressure of 2kN/m^2 is acting on the signage . Given a= 200mm b=2m c=1m d=4m. 1. Determine the shearing stress (Mpa) at the base of the pole. a.1.25 b.1.96 c 2.1 d1.5 2.Determine the maximum bending stress (MPa) in the hollow shaft. a.248.28 b.241.28 c.255.23 d.312.54 3. Determine the torsional shearing stress (MPa) a.25.05 b 18.59 c.34.85 d.32.17 Answer. 1.96,241.28,32.17
An anchored sheet pile wall supports a mass of soil 7.3m high with a horizontal surface. The angle of friction of the soil is 31o with a unit weight of 1.96 g/cm^3. The total height of the sheet pile is 10.5m which is supported by an anchor bolt placed 1.2m below the ground surface which has a spacing of 3m center-to-center. (a) Compute the active force(b) Compute the fraction of the theoretical maximum passive resistance of the total embedded length which must be mobilized for equilibrium.(c) Compute the tension in the anchor bolt.
A cantilever sheet pile wall is supporting a horizontal backfill having a unit weight of 18 kN/m3. Active pressure coefficient Ka = 0.28 and a passive pressure coefficient Kp = 4.6. (1) Determine the value of “d” required for stability of the cantilever sheet pile using the Factored Moment Method (FMM). The Factor of Safety on passive resistance is 2, (2) determine the value of “d”required for stability of the cantilever sheet pile walls using the Factored Strength Method (FSM), (3) determine the value of “d” required for stability of the cantilever sheet pile walls using the Net Passive Pressure Method (NPPM). The Factor of Safety for lateral forces causing rotation is 1.5.
A long trench is excavated in medium dense sand for the foundation of a multistory building. The side of the trench are supported with sheet piles fixed in place by struts and wales as shown in the figure. Wales are braced at every 4m center to center. Determine the structs from A-C. 1.5ml Sand 2.5m y = 17kN/m³ - = 35° 8m 2.5m 1.5m A B C
Ex: The figure below is a proposed weir floor with three vertical piles. calculate the uplift pressure distribution under the floor of the weir at key point by khosla's creep flow theory? 106.00 102.25 1:5 100.50 100.00 98.50 99.25 [97.25L b = 15.75 b = 34.75 D, [93.00 93.00 b, = 15 b, = 34 91.00 b = 50.5
A 11.8 m long cantilever sheet pile retaining wall is to be used to support the 6.2 m deep excavation as shown in figure. Plot the profile of horizontal effective stress in front and back of the retaining wall. Use the Rankine method. GGoound level 2.5 m Y G.W.L Grravel d'= 35°, c'-o P= 22k d'z 40° c'zo Sheet pile wg.s 6-2m
A braced sheet pile to be used in an open cut in clay is shown in the figure. Struts are spaced longitudinally at 2.5 m center to center spacing. Unit weight of clay is 20 kN/cu.m and an unconfined compressive strength of 100 kN/m2. Determine the section modulus of wale at B if the allowable bending stress is 0.6 Fy where Fy = 248 MPa
[?] ?? = [150 −60−60 −180]➢ Determine and graph using Mohr's circle the principal stresses and theaddresses associated with these.➢ Determine and graph the maximum shear stresses.➢ Plot the possible failure planes.➢ Finally, what is the value of the maximum tangential stress and at whatorientations take place?
PROBLEM NO. 2 A cantilever sheet pile wall is supporting a horizontal backfill having a unit weight of 18 kN/m³. Active pressure coefficient K, = 0.28 and a passive pressure coefficient Kp = 4.6. (1) Determine the value of "d" required for stability of the cantilever sheet pile using the Factored Moment Method (FMM). The Factor of Safety on passive resistance is 2, (2) determine the value of "d" required for stability of the cantilever sheet pile walls using the Factored Strength Method (FSM), (3) determine the value of “d* required for stability of the cantilever sheet pile walls using the Net Passive Pressure Method (NPPM). The Factor of Safety for lateral forces causing rotation is 1.5. Page of 3m Figure 2. Sheet pile profile
4- A moderately curved channel with a slightly rounded non-cohesive bed material with a diameter of d50 = 25 mm carrying a discharge of 30 m³/s. The longitudinal slope of the channel is 0.001 and the side wall slopes are designed to be 60% of the angle of repose of the bed material Note: Use the Strikler's formula to calculate Manning's value. Use the Swammy and Mittal's formula to estimate the critical shear stress. Use the free board depth of 0.5m. a) Design the channel using the tractive force method for a Boly ratio of 20 b) Design the channel using the most efficient hydraulic section c) Discuss about the channel stability and erosion for both designs in parts a and b Strickler (Chow, 1959) proposed a correlation between the mean diameter of bed material, dso, and the Manning's coefficient as: n = 0.039d¹/6 Swamee and Mittal (1976) proposed an explicit equation to express the Sheild's curve defined as: 50 0.409d² 1/2 (1+0.177d² )¹/¹² T = 0.155+.

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