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A Presentation on Bored Cast-in-Situ Piles

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Subham Kundu
Subham Kundu

This document provides an overview of a seminar on bored cast-in-situ piles. It discusses pile classification, general construction descriptions, workmanship requirements, load testing procedures, equipment used, and testing methods for concrete and aggregates. The conclusion states that bored cast-in-situ piling is favorable due to reduced waste and cost, the ability to cast piles to exact lengths, and capacity to bear and transfer heavy loads to the ground. Reinforcement is not always needed but adds stability and durability. Overall, bored cast-in-situ piling is preferable for bearing large loads as piles can be cast deep into the ground.

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Welcome
A Seminar on the Basis of the Construction of Bored Cast-in-Situ Piles Subham Kundu (CE - 33) Subhankar Karmakar (CE - 34) Supriya Chowdhury (CE - 35) IMPS College of Engineering and Technology, Malda.
Content: INTRODUCTION TERMINOLOGY PILE CLASSIFICATION GENERAL DESCRIPTION OF WORK WORKMANSHIP PILE COMPRESSION LOAD TEST BY KENTLEDGE SYSTEM EXECUTION OF CONSTRUCTION WORKS AT SITE PICTURES PILE CUT OFF, EXCAVATION AND CLEAN-UP
THE EQUIPMENTS OF PILING VERTICAL PILE LOAD TEST (INITAIL AND ROUTINE) (COMPRESSION TEST OF CONCRETE) CUBE TEST THE SLUMP TEST OF CONCRETE FINENESS MODULUS TEST FOR COARSE AGGREGATE REQUIREMENTS OF DRILLING MUD (BENTONITE) CONCLUTION REFERENCES Content:
Introduction: Classification based on the function Classification based on material and composition
Terminology: Bored Cast In-situ Pile Cut-off Level Diameter of Piles Factor of Safety Initial Load Test Initial Test Pile Load Bearing Pile Pile Spacing Routine Test Pile Safe Load Ultimate Load Capacity Working Load Working Pile Negative Skin Friction or Drag down Force
Pile Classification: Main Functions of Piles End Bearing (left) and Friction (right)
General Description Of Work: Location Piling Work Materials Dewatering Back Filling Power and Water Period of Completion
Workmanship: Control of Piling Installation Use of Drilling Mud Cleaning of Borehole Tremie Concreting Defective Pile Recording of Data
Pile Compression Load Test by Kentledge System : General Frequency Prerequisite Method KENTLEDGE
Section view of Tension Test Setup using reaction pile and a Hydraulic jack View of Tension Test Setup system
DIAL GUAGE HYDROLIC PUMP TESTING PILE
Execution of construction works at site : Preliminary Works Piling Work Steps of Piling
RIG(TRIPOD WITH WINCH)
BAILERCASING
DMC PIPES CHISEL
TREMIE PIPE REINFORCEMENTS
HYDROMETER HOPPER
COVER BLOCK CONCRETE MIXING MECHINETOTAL STATION
Pile Cut Off, Excavation And Clean-up: Pile Cut off Level Excavation Cleaning of Work Site PILE CUT OFF
The Equipments Of Piling : Reinforcements (Stirrups & Stiffeners) DMC Pipes Development Length & Lap Length Tremie Pipes Chisel Bailer Casing Hopper Cement & Admixture
REINFORCEMENTS Stirrups & Stiffeners
DMC PIPES TREMIE PIPES HOPPER CHISEL BAILER CASING
Vertical Pile Load Test (Initial & Routine) : Definition Process
TEST PILE PILE LOAD TEST LOAD vs SETTLEMENT GRAPH
Compression Test Of Concrete (Cube Test) : Aim Equipments Procedure Precaution Information Results Judgments UNIVERSAL TESTING MACHINE
CONCRETE CUBES CUBE MOULDS
The Slump Test Of Concrete : Aim Equipments Procedure Precaution Information True Slump Shear Slump Collapse Results Judgments SLUMP CONE
MEASUREMENT OF SLUMP SLUMP CLASSIFICATION
Fineness Modulus of Coarse Aggregate : Aim Equipments Procedure Precaution Information Results Judgments Sieve
Requirements Of Drilling Mud (Bentonite): Properties Functions Requirements BENTONITE
Conclusion: Bored Cast in situ piling is favourable than other piling processes. Because there is no waste of time and materials so it is economical and can be cast into exact length. It can bear heavier load and transfer it to the ground soil. Also the transportation cost is not high. It is not necessary to reinforce the pile in normal cases or in places where the pile is completely submerged in the soil. But for more stability and durability of structure we use reinforcement. Over all, Bored cast in situ is preferable for bearing huge amount of load as it can be cast deep inside the ground.
References : MURTHY V.N.S SOIL MECHANICS AND FOUNDATION ENGINEERING SHETTY M.S CONCRETE TECHNOLOGY IS 2911 (Part 1/Sec 2) : 2010
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A Presentation on Bored Cast-in-Situ Piles

  • 2. A Seminar on the Basis of the Construction of Bored Cast-in-Situ Piles Subham Kundu (CE - 33) Subhankar Karmakar (CE - 34) Supriya Chowdhury (CE - 35) IMPS College of Engineering and Technology, Malda.
  • 3. Content: INTRODUCTION TERMINOLOGY PILE CLASSIFICATION GENERAL DESCRIPTION OF WORK WORKMANSHIP PILE COMPRESSION LOAD TEST BY KENTLEDGE SYSTEM EXECUTION OF CONSTRUCTION WORKS AT SITE PICTURES PILE CUT OFF, EXCAVATION AND CLEAN-UP
  • 4. THE EQUIPMENTS OF PILING VERTICAL PILE LOAD TEST (INITAIL AND ROUTINE) (COMPRESSION TEST OF CONCRETE) CUBE TEST THE SLUMP TEST OF CONCRETE FINENESS MODULUS TEST FOR COARSE AGGREGATE REQUIREMENTS OF DRILLING MUD (BENTONITE) CONCLUTION REFERENCES Content:
  • 5. Introduction: Classification based on the function Classification based on material and composition
  • 6. Terminology: Bored Cast In-situ Pile Cut-off Level Diameter of Piles Factor of Safety Initial Load Test Initial Test Pile Load Bearing Pile Pile Spacing Routine Test Pile Safe Load Ultimate Load Capacity Working Load Working Pile Negative Skin Friction or Drag down Force
  • 7. Pile Classification: Main Functions of Piles End Bearing (left) and Friction (right)
  • 8. General Description Of Work: Location Piling Work Materials Dewatering Back Filling Power and Water Period of Completion
  • 9. Workmanship: Control of Piling Installation Use of Drilling Mud Cleaning of Borehole Tremie Concreting Defective Pile Recording of Data
  • 10. Pile Compression Load Test by Kentledge System : General Frequency Prerequisite Method KENTLEDGE
  • 11. Section view of Tension Test Setup using reaction pile and a Hydraulic jack View of Tension Test Setup system
  • 12. DIAL GUAGE HYDROLIC PUMP TESTING PILE
  • 13. Execution of construction works at site : Preliminary Works Piling Work Steps of Piling
  • 19. COVER BLOCK CONCRETE MIXING MECHINETOTAL STATION
  • 20. Pile Cut Off, Excavation And Clean-up: Pile Cut off Level Excavation Cleaning of Work Site PILE CUT OFF
  • 21. The Equipments Of Piling : Reinforcements (Stirrups & Stiffeners) DMC Pipes Development Length & Lap Length Tremie Pipes Chisel Bailer Casing Hopper Cement & Admixture
  • 24. Vertical Pile Load Test (Initial & Routine) : Definition Process
  • 25. TEST PILE PILE LOAD TEST LOAD vs SETTLEMENT GRAPH
  • 26. Compression Test Of Concrete (Cube Test) : Aim Equipments Procedure Precaution Information Results Judgments UNIVERSAL TESTING MACHINE
  • 28. The Slump Test Of Concrete : Aim Equipments Procedure Precaution Information True Slump Shear Slump Collapse Results Judgments SLUMP CONE
  • 29. MEASUREMENT OF SLUMP SLUMP CLASSIFICATION
  • 30. Fineness Modulus of Coarse Aggregate : Aim Equipments Procedure Precaution Information Results Judgments Sieve
  • 31. Requirements Of Drilling Mud (Bentonite): Properties Functions Requirements BENTONITE
  • 32. Conclusion: Bored Cast in situ piling is favourable than other piling processes. Because there is no waste of time and materials so it is economical and can be cast into exact length. It can bear heavier load and transfer it to the ground soil. Also the transportation cost is not high. It is not necessary to reinforce the pile in normal cases or in places where the pile is completely submerged in the soil. But for more stability and durability of structure we use reinforcement. Over all, Bored cast in situ is preferable for bearing huge amount of load as it can be cast deep inside the ground.
  • 33. References : MURTHY V.N.S SOIL MECHANICS AND FOUNDATION ENGINEERING SHETTY M.S CONCRETE TECHNOLOGY IS 2911 (Part 1/Sec 2) : 2010