Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Question
Chapter 17, Problem 17.12P
To determine
Find the type of soil within a distance of 2B footing.
Expert Solution & Answer
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Check out a sample textbook solutionStudents have asked these similar questions
For the following statements:
P: The lateral stress in the soil while being tested in an oedometer is always at-rest.
Q: For a perfectly rigid strip footing at deeper depths in a sand deposit, the vertical
normal contact stress at the footing edge is greater than that at its centre.
R: The corrections for overburden pressure and dilatancy are not applied to measured
SPT-N values in case of clay deposits.
The correct combination of the statements is
P
Q
R
(a) True
True
False
(b) False
(c) False
False
True
False
False
(d) True
True
True
During a subsoil exploration program, undisturbed normally consolidated silty
clay samples were collected in Shelby tubes from location A as shown in Figure
below
2 m
G.W.T
Silty sand
e = 0.72; G, = 2.69
2.2 m
3.5 m
Silty clay
w = 22%; G, = 2.72
5.25 m
Poorly graded sand
= 19.8 kN/m³
2.6 m
Ysat
Following are the results of four drained, direct shear tests conducted on the
the results of under drained traxial tests with pore water pressure measurement on
compacted soil at failure were:
all round pressure
(KN/m
Sample NO.
Major pressure
(KN/m)
Porewater pressure((KN/m)
70
304
-30
95
350
895
1-Determine cohesion and angle of shearing resistance in state total stress and effective stres
using Mohr's circle and by equations
2- Determin orientation of the failure nlane, normal stress and shear stresses.
Chapter 17 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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Similar questions
- Refer to Problem 17.7 and Figure 17.16. Suppose a footing (1.5 m 1.5 m) is constructed at a depth of 1 m. a. Estimate the design values for N60 and . b. What is the net allowable load that the footing can carry? The maximum allowable 17.7 settlement is 25 mm. Use Eqs. (16.56) and (16.61). Refer to the boring log shown in Figure 17.16. Estimate the average drained friction angle, , using the Kulhawy and Mayne correlation [Eq. (17.24)]. Assume pa 100 kN/m2. Figure 17.16arrow_forwardProblem 4: A borehole shear test resulted in the following data. Use Excel to estimate shear strength paramters. Normal Stress Shear Stress psi (kPa) 5.5 (37.9) 12 (82.7) 17.7 (122) 24 (165) Estimate the cohesion and friction angle of the soil. psi (kPa) 4 (27.6) 4.6 (31.7) 11.6 (79.9) 14.7 (101.3)arrow_forwardPlease solve this problem and explain each step clearly, Please explain the theory and show your work clearly, I really want to understand. Thank youarrow_forward
- A piezocone test was carried out at a site, and the following readings were recorded for the cone resistance q, and sleeve friction f.. Determine the soil present at these depths. Cone resistance, Sleeve friction, Depth (m) 9. (MN/m?) f. (kN/m?) 0.21 12.5 10 1.05 40.5 15 3.23 75.2 20 9.66 60.7 25 12.50 62.5arrow_forwardAnswer fast and do calculationarrow_forwardQuestion Attachedarrow_forward
- Someone can help me with this one please.arrow_forwardUsing the FE handbook, can I get a step by step on how to answer?arrow_forwardA piezocone test was carried out at a site, and the following readings were recorded for the cone resistance qc and sleeve friction fs. Determine the soil present at these depths. Cone resistance, qc (MN/m2) 0.21 1.05 3.23 9.66 10 (b) What are the types of bearing capacity failures? Compare between them? (c) Numerate the types of drilling methods? Depth (m) 5 10 15 20 22 Sleeve friction, fs (kN/m2) 12.5 40.5 75.2 60.7 80arrow_forward
- Try to solve ASAParrow_forward2- Subsurface geotechnical investigations carried out in a deposit of sand provided the field standard penetration numbers N60 as given in the table below. During the geotechnical investigations, it is also observed that underground water table is encountered at a depth of 2.0 m below the ground surface. Laboratory tests have shown that physical properties of deposit of sand are as: Dry unit weight = 17.6 kN/m³ and saturated unit weight = 19.6 kN/m³. Determine, for an earthquake magnitude of 8.25, if liquefaction will occur at the site. Assume that maximum peak ground acceleration at the site is: amax = 0.25g. (6 points) DEPTH (M) N60 (BLOWS/30CM) 3 5 6 7 9 11 12 14 18 21 Note: the gravitational acceleration could be taken as 9.81 m/s².arrow_forwardI need help solving problem 13 with the base concept of problem 3 as shown in the pictures. Can someone assist me please?arrow_forward
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