pile driving
TRANSCRIPT
Pile Installation & Driving By Desmond D’sa
Table Of Contents
Introduction Components
Piles. Lifting Tools. Hammers.
Installation Checks GRL WEAP Assessment of Pile Stick-up Length. Pile Upending Check. Stabbing Guide Check. Pile Stopper Check.
Introduction
What is a Pile?
What do we mean by pile driving?
Introduction
Importance of Piling
On-Bottom Stability.
Resilience to lateral loading.
Components - Piles
Jacket Leg Skirt Pile
Components - Piles
Contingency Piles
Insurance Piles. Damage. Shortage.
Insert Piles. Refusal. Annulus Grouting.
Chaser Piles.
Components – Lifting Tools
Padeyes.
Internal Lifting Tool & Belly Support Sling.
Components – Hammers
Steam Hammer Hydraulic Hammer
Installation Checks – GRL WEAP
Hammer.
Driving Stress.
Blows / Unit Depth.
Time Required.
Installation Checks - Assessment of Pile Stick-up Length
Criteria for Pile Stick-up Length
Static Stress + Dynamic Stress < Yield Stress Dynamic Stress < 90% of Yield Stress
Static Stress = Bending Moment + Weight of Hammer
Soil Conditions.
Cut off Allowances.
Barge Length.
Installation Checks - Assessment of Pile Stick-up Length
Actual Stick-Up Length
Installation Checks - Assessment of Pile Stick-up Length
Inputs:
Installation Checks - Assessment of Pile Stick-up Length
Inputs:
Installation Checks - Assessment of Pile Stick-up Length
Outputs
Installation Checks – Pile Upending Checks
Inputs:
If Belly Support is required
Installation Checks – Pile Upending Checks
Outputs:
Installation Checks – Stabbing Guide Checks
Inputs:
Installation Checks – Stabbing Guide Checks
Inputs:
Installation Checks – Stabbing Guide Checks
Outputs:
Installation Checks – Pile Stopper Check
Inputs:
Installation Checks – Pile Stopper Check
Inputs:
Installation Checks – Pile Stopper Check
Inputs:
Outputs:
The End
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