Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 17, Problem 17.3P
To determine
Find the factor of safety of the retaining wall for overturning, sliding, and bearing capacity failure.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Question 1:
The cross-section of a cantilever retaining wall is shown below.
Calculate the factor of safety with regards to overturning, sliding and bearing capacity (Use Rankine).
Use Yeonerete = 23.58 kN/m³ and k, =k, = 2/3
F10
0.5 m
H =0.458 m
Yi = 18 kN/m³
di=30°
cj=0
H2=6 m
10
1.5 m = D
0.7 m
H3=0.7 m
C
+ 0.7 m + 0.7 m →l+- 2.6 m
9 kN/m³
d'½=20°
cz=40 kN/m²
For the cantilever retaining wall shown, if the F.O.S. (Overturning)= F.O.S. (Sliding),
find:
1. The width B
2. Least value of Ø to make the wall stable against sliding
om
INT
deperst.
B
"S=f(Ø)*
5
of=34 kN/m
+ Yeone:
= 24,"
Sand:
8=17
S=0
Clay!
Øn =
Cu = 63.75
HO
/ kN/m²
The cross section of a cantilever retaining wall is shown in Figure 1. Calculate the factors of safety
with respect to overturning. Consider concrete unit weight 24KN/m³.
0.25 m
Sand
c = 0, Ø' = 30°
Ysat= 18 kN/m³
3 m
0.60 m.
0.40m
0.3 m
-2 m
Figure 1
Chapter 17 Solutions
Principles of Foundation Engineering (MindTap Course List)
Knowledge Booster
Similar questions
- 3. Compute the resultant lateral force for the soil-wall system shown in Figure 3. You may ignore tensile cracks. Use • A- Coloumb • B - Rankine 0=30°, y=20kN/m³ 4m Ground water table 7m c=50KN/m², p=10°, y=18KN/m³ 0=25°, y=20KN/m³ 8 m Gravity wall Figure 3arrow_forwardRead the question carefully and give me right solution according to the question.arrow_forwardf. Minimum width B (in meter) of wall to be safe against sliding if the mobilized friction angle at the base of wall is 25o and factor of safety against sliding is 1.5 (minimum). Consider 24 kN/m3 as the unit weight of concrete. B = Thank youarrow_forward
- Refer to Figure 12.3a. Given: H = 12 ft, q = 0, γ = 108 lb/ft3, c' = 0, and Φ' = 30º. Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2.arrow_forwardANSWER SHOULD BE ANSWER KEY: 43) 14.2 MPa 44) 90 mm 45) 0.33 MPaarrow_forwardQ7: For the retaining wall shown in Figure below. Fined: 1- The value of (B) to makes FS)sliding = FS) overturning. 2- The value of (0) that makes the wall safe against sliding. 1 m 1 m. %= 24 kN/m² B = ? 34 kPa Sand a = 17 kN/m² =? 8=0 c=0 16=0 C₂ = 64 kPa 6 marrow_forward
- Calculate the second column of the lateral stiffness matrix (Ri2, 02 = 1) for the confined masonry cantilever wall shown. The footing, width = 1 m and length = 3 m, rests on a flexible soil with a subgrade coefficient equal to 10,000 ton/m2 x m. Suppose: Confinement columns: Ec = 2,000,000 ton/m2 thickness = 0.15 m Masonry wall: Ea = 500,000 tons/m2 Ea/Ga = 2.5 thickness = 0.15marrow_forwardFor the retaining wall shown in the figure, determine the factor of safety against overturning and evaluate the result. The unit weight of the concrete is 150 pcf. 1.3 ft y = 115 pcf $ = 270 C = 0 12 ft y = 105 pcf 2 ft $ = 22° C = 400 psf 1.3 ft 5 ftarrow_forwardConsider the wall shown below. Dimensions are in meters. sand O' = 30 0.5 0.5 > 1 K Determine the active force acting on the wall. Circle your answer. b. а. Determine the FS for sliding. Circle your answer. Determine the FS for overturning. Circle your answer. d. Determine the FS for overturning if a row of tiebacks is placed 2 meters below the backfill's ground surface. Tieback spacing is 2 meters. The capacity of each tieback is 50 kN. Circle your answer. C.arrow_forward
- I need detailed explanation solving this exercise from Foundation Engineering, step by step please.arrow_forwardAnalyze the stability of the reinforced cantilever retaining wall based on the three failure modes; : Sliding : Overturning : Bearing Stress 1. Unit weight of soil Ys = 18.5 kN/m³ 2. Unit weight of Conc Yc = 24 kN/m³ 3. Internal friction angle = 30° 4. Coefficient of friction between soil and concrete bass M = 0.35 %3D 5. Bearing capacity of soil = 150 kN/m2 o 45m Soon 3. 0145m 2.amarrow_forwardCompute for the width of the base for the given masonry dam, the hydrostatic uplift varies from 20% hydrostatic pressure at the heel to zero at the toe. The specific gravity of masonry is 2.4. If μ = 0.60 and Factor of Safety against sliding is 1.5arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
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
Fundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher: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
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning