Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 11, Problem 11.10P
(a)
To determine
Calculate the primary consolidation settlement of the clay if the clay is normally consolidated.
(b)
To determine
Calculate the primary consolidation settlement of the clay if the preconsolidation pressure
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A shallow foundation measuring 1 m × 2 m in plan is to be constructed over a normally consolidated sand layer. Given: D₁ = 1 m, №60 increases with depth, N 60 (in the depth of stress influence) = 11,
Estimate the elastic settlement using Burland and Burbidge's method.
(Enter your answer to three significant figures.)
Se
mm
and
Inet
=
138 kN/m².
A continuous foundation on a deposit of sand layer is shown in the figure below along with the variation of the cone penetration resistance qc
1.5 m
0
2.5 m
Sand
14
q= 195 kN/m²
qe (kN/m²)
9 1750
93450
9c=2900
Depth (m)
Assuming = 16 kN/m² and creep is at the end of ten years after construction, calculate the elastic settlement of the foundation using the strain influence factor method. Use the equations
22 Iz
Es
0
| Se = C₁C2 (9) Az
and
Es = 3.5qc (for L/B> 10)
(Enter your answer to three significant figures.)
Se =
mm
Determine the stiffness matrices for the entire truss in the global co-ordinate system. Assume A=0.0015m2 and E=200GPa, indicate the degrees of freedom in all stiffness matricies.
Chapter 11 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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- need helparrow_forwardNEED HELP.arrow_forwardnent 6-Transverse Shear & Deflection ↓ 2 of 2 -+ Automatic Zoom 4.) The built-up wooden beam shown is subjected to a vertical shear of 8 kN. Knowing the the nails are spaced longitudinally every 60 mm at A and every 25 mm at B, determine the shear force in the nails at A and B. (5 points) 50 300- 400 A 50 A C 150 B A 100 50 200 A B Dimensions in mm 5.) A 2.5 inch x 5.5 inch rectangular Southern pine section (E=1.8 x 103 ksi) is used in an 8 ft cantilever span subjected to the loads shown. Compute the deflections at point A. (4 points) Дarrow_forward
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