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 16, Problem 16.17P
To determine
Find the gross allowable load that the footing could carry using the effective area concept.
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A 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
0.50
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
, the effective length L =___, and
of L. Determine the effective width B' =
=
9max =
-
400 kN
100 kN-m
2.2 m
Rock
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
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...
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- 1. A circular footing 3 m in diameter is shown below. [Soil Bearing Capacity] ( Assume the general shear failure and use a factor of safety 2.8. Determine the follow N. = 25.13 , N, = 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/m³ C = 80 kPa + = 25° 1.1 m D: = 1.8 m Water table Tse = 19.2 kN/m? Diameter = 3 marrow_forwardEx1: A footing is uniformly loaded with q = 100 kN/m² as shown in the figure. Compute the vertical stress increments under Points A, B, and C at z = 10 m. By 13.5 Footing 12m Use Vertical stress Increment under corner of rectangular footing 7 (Plane view) 6arrow_forwardFDE 007: A square footing 2m x 2m is located at a depth of 1.2m below the ground surface. The soil properties are cohesion c' = 10 kPa, angle of internal friction = 15 degrees, unit weight of soil = 16.7 kN/m³ and saturated unit weight of soil = 20kN/m³. Use Terzhagi's bearing capacity equation: q=1.3cNc + (gamma)D+Na+ 0.4(B)(gamma)(Ngamma) Bearing capacity factors, Nc = 12.9, Nq = 4.4, Ngamma = 2.5. Find qu under the following conditions: Refer to FDE 007. When the water table is at the ground surface. Select the correct response: 94.563 kPa 277.75 kPa 126.58 kPa 328.67 kPaarrow_forward
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