Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 16, Problem 16.9P
To determine
Find the gross allowable load
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
7. [Soil Bearing Capacity] (
a gross load of 700 kN. Using a factor of safety 3, determine the required value of B. Assume
general shear failure. N. = 63.53,Nq = 47.16, N, = 54.36
A square footing is shown below. The footing will carry
Q = 700 kN
Y = 17.4 kN/m
$ = 36°
C = 0
1.2 m
B
b) As shown in the figure below, a rectangular footing (B x L = 2m x 2.2m) is subjected
to a vertical load (400 kN) and moment (100 kN-m). The eccentricity is in the direction
of L. Determine the effective width B'
=
9max =
, and
400 kN
2.2 m
Rock
1
the effective length L'
100 kN-m
A square footing (1.5 m × 1.5 m) is located at a depth of
1.0 m. The footing is subjected to an eccentric load of
450 kN, with an eccentricity of 0.2 m along one of the
symmetrical axes. Determine the factor of safety against
bearing failure. U se Vesic's equation. Take y= 21 kN/m³,
c = 100 kN/m², p= 0; N = 5.14; s = 1.14; s = 1; d.
1.27 ; d = 1; i = ig = 1.
=
q
q
Chapter 16 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 16 - A continuous footing is shown in Figure 16.17....Ch. 16 - Refer to Problem 16.1. If a square footing with...Ch. 16 - Redo Problem 16.1 with the following: = 115...Ch. 16 - Redo Problem 16.1 with the following: = 16.5...Ch. 16 - Redo Problem 16.1 using the modified general...Ch. 16 - Redo Problem 16.2 using the modified general...Ch. 16 - Redo Problem 16.3 using the modified general...Ch. 16 - Redo Problem 16.4 using the modified general...Ch. 16 - Prob. 16.9PCh. 16 - If the water table in Problem 16.9 drops down to...
Ch. 16 - Prob. 16.11PCh. 16 - A square footing is subjected to an inclined load...Ch. 16 - A square footing (B B) must carry a gross...Ch. 16 - Redo Problem 16.13 with the following data: gross...Ch. 16 - Refer to Problem 16.13. Design the size of the...Ch. 16 - Prob. 16.16PCh. 16 - Prob. 16.17PCh. 16 - Refer to the footing in Problem 16.16. Determine...Ch. 16 - Figure 16.21 shows a continuous foundation with a...Ch. 16 - The following table shows the boring log at a site...
Knowledge Booster
Similar questions
- 1. A continuous footing is shown in Figure 16.19. Using Terzaghi's bearing capacity factors, determine the gross allowable load per unit area (4an) that the footing can carry. Assume general shear failure. Given: y = 115 lb/ft, c' = 600 lb/ft', d' = 25°, D, = 3.5 ft, B = 4 ft, and factor of safety = 3. qall Unit weight of soil = y Figure 16.19arrow_forward[Soil Bearing Capacity] ( a gross load of 700 kN. Using a factor of safety 3, determine the required value of B. Assume general shear failure. N. = 63. 53,Nq = 47.16, Ny = 54.36 ). A square footing is shown below. The footing will carry Q = 700 kN Y = 17.4 kN/m $ = 36° C = 0 1.2 marrow_forwardA 1.57 -m. deep 2.5 m. x 3.3c m. footing has to be constructed as shown in Figure 1. The soil properties are: γ=18.7 kN/m3 , γsat=20.9 kN/m3 , angle of friction is 29 degrees, and D1 = 0.55 m. Using FS = 3.3, determine the value of ultimate bearing capacity and the ultimate load capacity (inclined) using β = 17 degrees . (use: γw=9.81 kN/m3)arrow_forward
- A continuous footing is shown in Figure 16.17. Using Terzaghi’s bearing capacity factors, determine the gross allowable load per unit area (all ) that the footing can carry. Assume general shear failure. Given: γ = 19 kN/m3, c′ = 31kN/m2 , , Df = 1.5 m, B = 2 m, and factor of safety = 3.5.arrow_forwardA rectangular footing is constructed on saturated sand. This footing is placed under 1000 KN column load and 500 KN.m moment as shown in the image. Find the eccentricity in both directions and calculate the equivalent footing size. 3.0 M=500 KN.m 0.50 2.5 P1=1000 KN 0.50arrow_forwardQ2: A square footing (2x2 m) is constructed on a sandy soil as shown below. Find the maximum allowable load (Q) that the footing can carry. 1.5 m Im Assume general shear failure and the factor of safety is 3. E Y = 16 kN/m 7-18 kN/m 6349arrow_forward
- Determine the size of square footing to carry net allowable load of 295 KN. FS=3. Use Terzaghi equation assuming general shear failure. 295 kN + = 35° C = 0.0 Ya = 18.15 kN/m3 1 m $ = 25" C = 50 kN/m? Ya = 20 kN/m3arrow_forwardA square footing 2 m x 2 m is located at a depth of 1.2 m below the ground surface. The soilproperties are cohesion, c = 10 kPa, φ = 15 degrees, γ = 16.7 kN/m3, and γsat = 20 kN/m3.Use Terzhagi’s bearing capacity equation: ?? = 1.3??? + ????? + 0.4????, bearingcapacity factors Nc = 12.9, Nq = 4.4, Nγ = 2.5, find qu under the following conditions:arrow_forwardb) As shown in the figure below, a rectangular footing (B x L = 2m x 2.2m) is subjected to a vertical load (400 kN) and moment (100 kN-m). The eccentricity is in the direction of L. Determine the effective width B': , and = 9max = — 400 KN t 2.2 m Y 100 kN-m Rock the effective length =arrow_forward
- ). A circular footing 3 m in diameter is shown below. 6. [Soil Bearing Capacity] (* Assume the general shear failure and use a factor of safety 2.8. Determine the follow N. = 25. 13 , Nq = 12.72, N, = 8.34 a. The gross allowable bearing capacity. b. Net Allowable bearing capacity c. The safe load that the footing can carry. Ground surface Y= 18.5 kN/m? C = 80 kPa = 25° 1.1 m D,- 1.8 m Water table Ye = 19.2 kN/m? Diameter = 3marrow_forwardAn rc column footing 2.26m in square shape is to rest 1.5m below level ground level is on cohesive soil. The unit weight is 17.6kN/m^3.What is the safe load of cohension is 30kN/m^3 Factor of safety 2.4 and an angle of internal fraction 33° by IS code. Take NC=38.6; Nq= 26.1 & Ny=29.3arrow_forwardA square footing is proposed to be constructed on the silty sand layer as shown in Figure Q2. If the gross load (Qall) is 600 kN, check whether the foundation can carry the load or not. (Use Terzaghi's bearing capacity equation with general shear failure and FS = 3). 2. Qall Silty Sand 1.5 m y 19 kN/m c' 8 kN/m2 = 25° Ground Water 0.5 m 1.2 m Level Kar 19.0 kN/m' Figure Q2: A Square Footingarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill Education
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning