17) The friction load capacity of the pile using the B-method is most nearly:a. 437 kNb. 927 kNc. 644 KNd. 1100 kN15 ma. 177 kNb. 345 kNc. 441 kNd.184 kNGroundwatertable381 mmNC ClayYar 17 kN/m³c²-0 kPa$-30°23 tSandYsa 19.2 kN/m³18) In the previous question, the tip end-bearing load capacity of the pile using the B-method is most nearly:-28e'=0Tp2/3

To determine- Friction load capacity

Answered: 17) The friction load capacity of the…

17) The friction load capacity of the pile using the B-method is most nearly: a. 437 kN b. 927 kN c. 644 KN d. 1100 kN 6m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Load and resistance factor design

Load and resistance factors design (LRFD), also known as Limit state design (LSD), refers to the design method used in building engineering. A boundary condition is a condition of a structure where it can no longer meet the relevant design requirements. The condition may refer to the load level or other actions on the structure, while the terms refer to the integrity of the structure, suitability for use, durability, or other design requirements. A structure designed for LRFD is limited to keeping track of all possible actions during its design time and is always ready for use, with the appropriate level of reliability in each boundary condition. LRFD-based construction codes clearly define the appropriate levels of reliability in their instructions.

Question

17) The friction load capacity of the pile using the B-method is most nearly:
a. 437 kN
b. 927 kN
c. 644 KN
d. 1100 kN
15 m
a. 177 kN
b. 345 kN
c. 441 kN
d.
184 kN
Groundwater
table
381 mm
NC Clay
Yar 17 kN/m³
c²-0 kPa
$-30°
23 t
Sand
Ysa 19.2 kN/m³
18) In the previous question, the tip end-bearing load capacity of the pile using the B-
method is most nearly:
-28
e'=0
Tp2/3

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Step 1: Given data

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Step 2: Active earth pressure calculation

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Step 3: friction angle calculation

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Step 4: Effective stress calculation

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Step 5: Friction load capacity

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Step 6: Foe end bearing pile

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-- Pile in Sand (friction and end bearing) Make calculations to determine the Allowable Load for a 14-inch square precast concrete pile that is driven into a dense medium to fine sand deposit with = 36 deg. and y = 125 pcf. The pile is driven to 85 ft. depth, and there is still 40 ft. of sand below the pile tip. Groundwater is 6 ft. below ground surface. You are to assume that a static pile load test will be performed on one representative pile for this project. Use the limiting depth and limiting pressure approaches for end bearing and for side friction. State the K and 8 values you use, and justify.
A square prestressed concrete pile with a 14 inch side is to be driven to the necessary depth. It needs to be able to support 105 kips. It has been determined that the point resistance qp is 120 ksf and the side friction fs is 450 psf. Use formula 12.2 (see attached image) to estimate how long the pile needs to be with a factor of safety of at least 2.5. Round your answer to a multiple of 5 feet. Use L as a variable to calculate the load in formula 12.2. L can be obtained from this equation.
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