Determine the length, L, of a driven timber pile required to support the load shown in Figure P13.4. The diameter of the pile is 450 mm. A factor of safety of 2 is required. Assume the pile–soil interface friction is equal to the critical state friction angle.

Determine the length, L, of a driven timber pile required to support the load shown in Figure P13.4. The diameter of the pile is 450 mm. A factor of safety of 2 is required. Assume the pile–soil interface friction is equal to the critical state friction angle.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Sheet-pile Walls

Section: Chapter Questions

Problem 18.2P

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Concept explainers

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

Please help me solve

Determine the length, L, of a driven timber pile required
to support the load shown in Figure P13.4. The diameter
of the pile is 450 mm. A factor of safety of 2 is required.
Assume the pile–soil interface friction is equal to the
critical state friction angle.

13.4 Determine the length, L, of a driven timber pile required
to support the load shown in Figure P13.4. The diameter
of the pile is 450 mm. A factor of safety of 2 is required.
Assume the pile-soil interface friction is equal to the
critical state friction angle.
275 kN
Medium clay
S, = 30 kPa, y = 17 kN/m³
O = 30°, OCR = 1.6
5 m
Stiff clay
Su = 60 kPa, Yar = 18.8 kN/m3
O = 24°, OCR = 4
L.
FIGURE P13.4

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