Answered: G.W.T. Clay C, = 50.3 kN/m² Ysat = 17.6…

Engineering

Civil Engineering

G.W.T. Clay C, = 50.3 kN/m² Ysat = 17.6 kN/m³ 4.57 m Clay C, = 85.1 kN/m² Ysat = 19.02 kN/m³ 13.72 m' 889 mm

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter8: Seepage

Section: Chapter Questions

Problem 8.9P

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Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.

Question

The section of a 3 x 4 group pile in a layered saturated clay is shown in the figure below. The piles are square in cross section (356 mm x 356 mm). The center-to-center spacing, d, of the piles is 889 mm. Determine the allowable load-bearing capacity of the pile group. Use FS = 4. Note that the groundwater table coincides with the ground surface.

G.W.T.
Clay
C„ = 50.3 kN/m²
Ysat = 17.6 kN/m³
4.57 m³
Clay
Cq = 85.1 kN/m²
Ysat = 19.02 kN/m³
13.72 m²
889 mm

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