Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN: 9781337402415
Author: Gregory W Fletcher
Publisher: Cengage Learning
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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.
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