FDE 014: The pile group shown consists of 12 piles, each 0.36m in diameter arranged 3 x 4 matrix. The pile penetrates a soft clay (L₁ = 3m, Cu1 = 56kPa), a medium dense clay (L2 = 5m, Cu2 = 78kPa), and a stiff clay (L3 = 4m, Cu3- SkPa). Assume Nc-9 and use á-1 for soft and medium dense clay, á-0.5 for stiff clay. FS = 3. 1° 08m 08m 0.3m 0.8 m 3.8 in

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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FDE 014: The pile group shown consists of 12 piles, each 0.36m in diameter arranged 3 x 4 matrix. The pile penetrates a soft clay (L₁ = 3m, Cu1 = 56kPa), a medium dense clay (L2 = 5m, cu2 = 78kPa), and a stiff clay (L3= 4m, Cu3 -
95kPa). Assume Nc-9 and use á- 1 for soft and medium dense clay, á-0.5 for stiff clay. FS = 3.
1⁹
0.8m 0.8m 0.3m
Compute the safe center-to-center spacing of the piles for 100% efficiency.
Select the correct response:
175 mm
251 mm
197 mm
138 mm
0.8 m
3.8
Transcribed Image Text:FDE 014: The pile group shown consists of 12 piles, each 0.36m in diameter arranged 3 x 4 matrix. The pile penetrates a soft clay (L₁ = 3m, Cu1 = 56kPa), a medium dense clay (L2 = 5m, cu2 = 78kPa), and a stiff clay (L3= 4m, Cu3 - 95kPa). Assume Nc-9 and use á- 1 for soft and medium dense clay, á-0.5 for stiff clay. FS = 3. 1⁹ 0.8m 0.8m 0.3m Compute the safe center-to-center spacing of the piles for 100% efficiency. Select the correct response: 175 mm 251 mm 197 mm 138 mm 0.8 m 3.8
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