Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 19, Problem 19.7P
(a)
To determine
Find the net ultimate point bearing capacity.
(b)
To determine
Find the ultimate skin resistance.
(c)
To determine
Find the working load.
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Example : Figure shows bellow a drilled shaft without a bell Assume the folowing values :
L1 =6 m
Cu(1) = 50 KN/m
L2 = 7 m
Cu2) = 75 KN/m?
Ds = 1.5m
Determine :
The net ultimate point bearing capacity by use general equation.
b. The ultimate skin friction by use general equation.
The working load, Qw, factor of safety = 3
a.
C.
Take o, = 580 kPa
(Figure 1)
Express your answer to three significant figures and include the appropriate units.
HÀ
?
o, =
Value
Units
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Figure
Part B
Determine the shear stress acting on the inclined plane AB.
Express your answer to three significant figures and include the appropriate units.
В
HA
?
30°
Value
Units
A
STRENGTH OF MATERIALS
answer: 17.68 kN and 11.8 MN/m2 compressive
*what is the solution to this problem?
Chapter 19 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 19 - Prob. 19.1PCh. 19 - Prob. 19.2PCh. 19 - Redo Problem 19.2. Use Eq. (19.4) and Es = 600 pa....Ch. 19 - For the drilled shaft described in Problem 19.2,...Ch. 19 - Prob. 19.5PCh. 19 - Prob. 19.6PCh. 19 - Prob. 19.7PCh. 19 - For the drilled shaft described in Problem 19.7,...Ch. 19 - For the drilled shaft described in Problem 19.7,...Ch. 19 - Prob. 19.10P
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- Rock mechanics class appreciate your help and explanationarrow_forwardA circular Beam with roller joint R L y y oo = 298.6055 Pa Ro = 2.0649 m L = 61 m Material Data E[ GPA] Oyp [MPa] p [kg/m^3 V 200 0.3 700 7800 Find: Displacement in X, Y, Z direction, von misses stress, tresca stress, and triaxial stress at x = L, at x = L/2 and x = 0. Please show all workarrow_forwardTorque T.arrow_forward
- For the drilled shaft described in Problem 19.7, determine these values: a. The ultimate load-carrying capacity b. The load-carrying capacity for a settlement of 25 mm Use the procedure outlined in Section 19.8. 19.7 Figure 19.16 shows a drilled shaft without a bell. Here, L1 = 6 m, L2 = 7 m, Ds = 1.5 m, cu(1) = 50 kN/m2, and cu(2) = 75 kN/m2. Find these values: a. The net ultimate point bearing capacity. Use Eqs. (19.23) and (19.24) b. The ultimate skin resistance. Use Eqs. (19.26) and (19.28) c. The working load, Qw (FS = 3) FIG. 19.16arrow_forward6 decimal places for the solutionarrow_forward60 mm. PA A B 2.0052 2.1298 2.3067 2.4844 2.5111 2.1933 r = 30 mm 120 mm 800 mm r = 30 mm 200 mm 60 mm P D 200 mm If a 40 mm diameter hole were to be drilled into the center of the bar shown between points Band C, determine the stress concentration factor for the hole.arrow_forward
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