Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 18, Problem 18.21P
Refer to Figure 18.26b. Let L = 15.24 m, γfill = 17.29 kN/m3, γsat(clay) = 19.49 kN/m3, ϕ′clay = 20°, Hf = 3.05 m, and D = 0.406 m. The water table coincides with the top of the clay layer. Determine the total downward drag on the pile. Assume that δ′ = 0.6 ϕ′clay.
FIG. 18.26 Negative skin friction
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
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 much
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 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.
12.37 Figure P 12.37 shows a group pile in clay. Determine the
consolidation settlement of the group. Use the 2:1 method to
estimate the average effective stress in the clay layers.
1335 KN
K-
3 m
++
3 m
*
18 m
5 m
3 m
↓
2.75 m
X 2.75 m
Group
plan
FIGURE P12.37
Groundwater
table
15 m
Rock
Sand
y = 15.72 kN/m²
Sand
Ysat = 18.55 kN/m³
Normally consolidated clay
Ysat = 19.18 kN/m³
€ = 0.8
C = 0.8
Normally consolidated clay
Ysat = 18.08 kN/m³
% = 1.0
C = 0.31
Normally consolidated clay
Ysat = 19.5 kN/m³
€ = 0.7
C₂ = 0.26
Chapter 18 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 18 - State whether the following are true or false. a....Ch. 18 - A 1500 kN load was applied on two 20 m long and...Ch. 18 - A 500 mm diameter and 20 m long concrete pile is...Ch. 18 - A 400-mm diameter and 15 m long concrete pile is...Ch. 18 - A 400 mm 400 mm square precast concrete pile of...Ch. 18 - Prob. 18.6PCh. 18 - Prob. 18.7PCh. 18 - Prob. 18.8PCh. 18 - Determine the maximum load that can be allowed on...Ch. 18 - Prob. 18.10P
Ch. 18 - Redo Problem 18.10 using the method for...Ch. 18 - Determine the maximum load that can be allowed on...Ch. 18 - Prob. 18.13PCh. 18 - A steel pile (H-section; HP 360 1.491; see Table...Ch. 18 - A concrete pile is 18 m long and has a cross...Ch. 18 - Prob. 18.16PCh. 18 - Prob. 18.17PCh. 18 - Prob. 18.18PCh. 18 - Prob. 18.19PCh. 18 - Figure 18.26a shows a pile. Let L = 20 m, D = 450...Ch. 18 - Refer to Figure 18.26b. Let L = 15.24 m, fill =...Ch. 18 - Prob. 18.22PCh. 18 - Figure 18.39 shows a 3 5 pile group consisting of...Ch. 18 - The section of a 4 4 group pile in a layered...Ch. 18 - Prob. 18.25PCh. 18 - Prob. 18.26CTP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- I am looking for the solution for question 9.5, thank youarrow_forward15.14 An anchored sheet pile wall is shown in Figure P15.14. Determine the embedment depth, the maximum bend- ing moment, and the force on the anchor per unit length of wall. Use either FSM (F = 1.25) or the NPPM with (FS), 1.5. Assume the soil above the groundwater to be saturated. 9, 10 kPa 1 m Coarse-grained soil Anchor block 1 m You 16.8 kN/m² += 24,8=% 4m 8-%arrow_forwardQuestion 3 The flownet for an excavation supported by sheet pile walls is shown in Figure Q3. The soil being excavated is a uniform fine sand with a coefficient of permeability (k) of 5×104 m/s. The width of the trench is 5 m, with a length of 50 m. A constant external water level of 2 m is maintained at the ground level. Ground level 2m 6m 6m 6m ▼ K Line of symmetry- 5m Sheet pile wall 9m (c) Determine the pore water pressure (u) at Point A. Figure Q3 (a) Explain the physical significance of a flownet. In other words, explain what these lines represent. (b) Determine the total water flow rate (Q) at the excavation floor. K (d) If the excavation was carried out on the Moon, determine the total water flow rate (Q) at the excavation floor again (assuming that the gravitational acceleration on the Moon is 1.6 m/s²).arrow_forward
- I am asking for 9.2 to 9.6, thank youarrow_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_forward15.21 A cantilever sheet pile wall is required to temporarily support an embankment for an access road, as shown in Figure P15.21. Determine the depth of penetration of the wall into the silty clay soil and the maximum bend- ing moment. Select two methods from FMM, FSM, and NPPM, and compare the results. Groundwater is 10 m below the surface. 20 кра 2.5 m Coarse-grained soil % 27,17 kN/m² = Medium clay 719 kN/m³ %= 50 kPa =27° FIGURE P15.21arrow_forward
- 14.10 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_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_forwardEx: 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 = 50.5arrow_forward
- i need the answer quicklyarrow_forwardA single solid circular pile of diameter 0.75 m is driven 15 m into soil consisting of 5 m of loose sand over a thick layer of medium dense sand. The water table (WT) is 5.0 m below the ground surface. The upper layer of sand has γ=17kN/m 3 above the WT and γ=19.8kN/m 3 below the WT, c ′ =0,φ ′ =27 ∘ . The lower deposit of dense sand has γ=20.0kN/m 3 below the WT, c ′ =0 , φ ′ =38 ∘ . Along the pile-soil interface, it is assumed that K=1−sinϕ ′ and δ ′ =0.75φ ′ and the pile is assumed to be weightless with the bearing capacity factor N q =120 . (a) Determine the shaft capacity of the pile; (b) Calculate the base capacity of the pile; and (c) Determine the ultimate load capacity of the pile.arrow_forwardhydroulic structurearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Fundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781305081550Author:Braja M. DasPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781305081550
Author:Braja M. Das
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning
How to build angle braces; Author: Country Living With The Harnish's;https://www.youtube.com/watch?v=3cKselS6rxY;License: Standard Youtube License