Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 18, Problem 18.14P
To determine
Design and sketch a continuous anchor.
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Chapter 18 Solutions
Principles of Foundation Engineering (MindTap Course List)
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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- Determine the theoretical embedment depth for the given free support anchored sheet pile wall placed in sand. 7m Dredge line D Ground surface 1 m SAND =30° C = 0 Yn 18.0 kN/m³arrow_forwardQuestion 3 A new underground tunnel section is designed by a geotechnical consultant. For the underground station a 5 m wide braced excavation is made in a saturated clay as shown in Figure Q3 with unit weight, y = 18.5 kN/m², friction angle, o = 0° and cohesion, c = 20 kN/m?. The struts are spaced at 5 m center to center in plan. Refer Appendix 1 to select the sheet-pile section. i. Draw the strut forces. ii. Determine the section modulus of the sheet pile needed. Assume oall = 170 MN/m? iii. Determine the maximum moment for the wales at levels B and C. Show a complete answer, including all numerical values and necessary diagrams. 5 m 3 m B 2 marrow_forward6.5 The sides of an excavation 3.0m deep in sand are to be supported by a cantilever sheet pile wall. The water table is 1.5 m below the bottom of the excavation. The sand has a saturated unit weight of 20 kN/m³, a unit weight above the water table of 17 kN/m³ and the characteristic value of o' is 36°. Using the traditional method, determine the required depth of embedment of the piling below the bottom of the excavation to give a factor of safety of 2.0 with respect to passive resistance. Marrow_forward
- Only attempt if you are sure of correct answer.arrow_forwardFigure below shows the cross-section of an excavation which is to be made alongside a river. Write down an expression for the effective stress at level A-A and use this to establish the depth H to which the water in the trench can be reduced before instability occurs (when o'z is zero). The shear resistance at the clay and sheet pile interface can be considered negligible. sheet piling River peaty silt 3.5 m dredge level 8 m . alluvial silty clay 6.0 m (y 18 kN/m³) 3 m coarse 3.5 m gravel impervious red marlarrow_forwardFigure 15.53 below shows a cantilever sheet pile driven into a granular soil where the water table is 2 m below the top of the sand. The properties of thesand are: ' = 40, m = 17.5 kN/m3, and sat = 19 kN/m3. It is proposed toexcavate to a depth of 6 m below the ground level. Determine the depth towhich the sheet pile mast be driven, using the net lateral pressure diagram. Fig. 15.53arrow_forward
- Determine the depth of embedment required for stability of the cantilever sheet pile wall shown by using the factored strength method, taking F4 = 1.3. Coarse-grained soil Ysat = 20 kN/m O's = 39" 3 m 8 = O'csarrow_forwardFigure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The friction angle of the sand 1 and sand 2 is 30° and 35°, respectively. Explain your assumptions. Draw the earth pressure diagrams (some of the earth pressures will be function of “d”, embedment depth). Find the embedment depth “d” using the simplified method. Find the maximum moment on the wall and minimum section modulus required.arrow_forwardPlease solve with a good explantion and step by step solutionarrow_forward
- X=30arrow_forwardFor Questions A and B a temporary earth support wall is supporting a 25 ft excavation. A. Neatly draw the active soil pressure diagram, based on Rankine Theory, behind the wall and show the maximum pressure at the bottom of the temporary wall after completion of the excavation. Also indicate the location of the theoretical slip (failure) plane and its angle from the vertical. The soil is a saturated clay with properties as follows: gsat = 132 pcf, f = 19o c = 450 psf B. Use table 5.5 in the textbook and repeat problem 2 for a medium-dense gravely-sand with the following properties shown on the table: gin-situ = 120 pcf, f = 34o c = 0 psfarrow_forwardX=30 Pls answer this question correctly. Explain every portion and try keep handwriting goodarrow_forward
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