A 0.45 m square prestressed concrete pile is to be driven at a site of 15 m long where soil conditions are the following: First Clay Layer: L = 9 m; C = 38 KPa; Unit weight = 15.7 kN/m^3; a = 0.90 Second Clay Layer:L = 6 m; C = 106 KPa; Unit weight = 19 kN/m^3; a = 0.55 1. What total skin friction is expected to develop along the embedded length of the pile? 2. Compute the total ed bearing capacity of the pile if Nc = 9. 3. What is the design capacity of the pile if it has a factor of safety of 3.5? 4. What is the required length of the pile if the allowable load is 450 kN at the same soil conditions and factor of safety?
A 0.45 m square prestressed concrete pile is to be driven at a site of 15 m long where soil conditions are the following: First Clay Layer: L = 9 m; C = 38 KPa; Unit weight = 15.7 kN/m^3; a = 0.90 Second Clay Layer:L = 6 m; C = 106 KPa; Unit weight = 19 kN/m^3; a = 0.55 1. What total skin friction is expected to develop along the embedded length of the pile? 2. Compute the total ed bearing capacity of the pile if Nc = 9. 3. What is the design capacity of the pile if it has a factor of safety of 3.5? 4. What is the required length of the pile if the allowable load is 450 kN at the same soil conditions and factor of safety?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A 0.45 m square prestressed concrete pile is to be driven at a site of 15 m long where soil conditions are the following:
First Clay Layer: L= 9 m; C = 38 KPa; Unit weight = 15.7 kN/m^3; a = 0.90
Second Clay Layer: L = 6 m; C = 106 KPa; Unit weight = 19 kN/m^3; a = 0.55
1. What total skin friction is expected to develop along the embedded length of the pile?
2. Compute the total ed bearing capacity of the pile if Nc = 9.
3. What is the design capacity of the pile if it has a factor of safety of 3.5?
4. What is the required length of the pile if the allowable load is 450 kN at the same soil conditions and factor of safety?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fac2092-ff64-4bd0-861a-eec4227fd468%2Fcf0a3557-9b79-4778-938c-74a14ececb33%2Fpuklazn_processed.png&w=3840&q=75)
Transcribed Image Text:A 0.45 m square prestressed concrete pile is to be driven at a site of 15 m long where soil conditions are the following:
First Clay Layer: L= 9 m; C = 38 KPa; Unit weight = 15.7 kN/m^3; a = 0.90
Second Clay Layer: L = 6 m; C = 106 KPa; Unit weight = 19 kN/m^3; a = 0.55
1. What total skin friction is expected to develop along the embedded length of the pile?
2. Compute the total ed bearing capacity of the pile if Nc = 9.
3. What is the design capacity of the pile if it has a factor of safety of 3.5?
4. What is the required length of the pile if the allowable load is 450 kN at the same soil conditions and factor of safety?
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