A 0.36 m. square pre-stressed concrete pile is to be driven in a clay soil having an unconfined compressive strength of 110 KPa. Unit weight of clay is 18.0 KN/cu.m. Design capacity of pile is 360 KN. Factor of Safety is 2.0, and Bearing Capacity Factor (Nc) is 9.0. a. Compute the length of pile using method if = 0.76 b. Compute the length of pile using method if = 0.14 c. Compute the length of pile using method if OR = 30 degrees and the clay has an over consolidated ratio of 3.
A 0.36 m. square pre-stressed concrete pile is to be driven in a clay soil having an unconfined compressive strength of 110 KPa. Unit weight of clay is 18.0 KN/cu.m. Design capacity of pile is 360 KN. Factor of Safety is 2.0, and Bearing Capacity Factor (Nc) is 9.0. a. Compute the length of pile using method if = 0.76 b. Compute the length of pile using method if = 0.14 c. Compute the length of pile using method if OR = 30 degrees and the clay has an over consolidated ratio of 3.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 0.36 m. square pre-stressed concrete pile is
to be driven in a clay soil having an unconfined
compressive strength of 110 KPa. Unit weight
of clay is 18.0 KN/cu.m. Design capacity of pile
is 360 KN. Factor of Safety is 2.0, and Bearing
Capacity Factor (Nc) is 9.0.
a. Compute the length of pile using method if
= 0.76
b. Compute the length of pile using method if
= 0.14
c. Compute the length of pile using method if
OR = 30 degrees and the clay has an over
consolidated ratio of 3.
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