Construction Engineering & Management - Vol 2 | 20. Driving Stresses in Piles by Abraham | Learn Smarter
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Knowledge
20. Driving Stresses in Piles

The chapter discusses the importance of controlling driving stress in precast piles to prevent damage during installation. Key methods include using cushioning materials and selecting appropriate hammer weights and heights for optimal blow efficiency. Additionally, guidelines for determining safe loads on piles and selecting appropriate pile hammers based on various factors such as pile type, soil conditions, and project requirements are explored.

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Sections

  • 1

    Driving Stresses In Piles

    This section discusses the driving stresses experienced by piles, especially during installation, and methods to mitigate these stresses.

    Learning Practice

  • 1.1

    Control Of Driving Stress

    This section discusses the significance of managing driving stresses in precast piles and methods to mitigate these stresses during installation.

    Learning Practice

  • 1.2

    Cushioning Materials

    Cushioning materials play a crucial role in protecting concrete piles from driving stresses during installation.

    Learning Practice

  • 1.3

    Impact Velocity And Hammer Selection

    This section discusses the relationship between impact velocity, driving stresses, and proper hammer selection in pile driving.

    Learning Practice

  • 1.4

    Weight Of Hammer Considerations

    This section discusses the importance of considering hammer weight and stress management during pile driving, emphasizing methods to prevent damage to concrete piles.

    Learning Practice

  • 2

    Determining Safe Loads On Piles

    This section covers the principles involved in determining the safe loads on piles, emphasizing the significant stresses during pile driving and the methodologies for controlling these stresses.

    Learning Practice

  • 2.1

    Engineering News Formula

    The Engineering News Formula helps determine the safe load on precast piles during driving by accounting for stresses incurred.

    Learning Practice

  • 2.2

    Hammer Energy And Work Of Soil Resistance

    This section discusses the impact of hammer energy and soil resistance during pile driving, focusing on stress management, cushioning techniques, and hammer selection.

    Learning Practice

  • 3

    Pile Hammer Selection

    This section outlines the considerations in selecting a pile hammer based on factors such as pile type, weight, and driving stresses.

    Learning Practice

  • 3.1

    Factors Governing Hammer Selection

    This section discusses the factors influencing the selection of pile hammers, focusing on stress management during pile driving and specific guidelines for protecting concrete piles.

    Learning Practice

  • 3.2

    Guidelines For Hammer Selection

    This section discusses the critical factors for selecting appropriate hammers for driving piles, focusing on stress management and energy efficiency.

    Learning Practice

  • 4

    Summary Of Key Points

    This section discusses the stresses exerted on precast piles during installation and methods to protect them.

    Learning Practice

  • 4.1

    Types Of Piles

    This section discusses the types of piles based on their material and installation method, focusing on driving stresses and how to mitigate them.

    Learning Practice

  • 4.2

    Importance Of Cushioning In Pile Driving

    This section discusses the significance of cushioning in pile driving to minimize stress on precast piles during installation.

    Learning Practice

  • 4.3

    Pile Hammer Mechanics And Selection

    This section discusses the mechanics of pile driving, the importance of controlling driving stresses, and guidelines for selecting appropriate pile hammers based on various factors.

    Learning

  • 5

    References

    This section discusses the driving stresses on precast piles during installation and methods to mitigate these stresses during design.

    Learning Practice

  • 5.1

    Key References For Lecture

    This section discusses the stresses encountered during pile driving and methods to control these stresses for concrete piles.

    Learning Practice

  • 6

    Next Lecture Preview

    This section previews key concepts related to driving concrete piles and emphasizes the importance of controlling driving stresses.

    Learning Practice

  • 6.1

    Types Of Pile Hammers And Selection Criteria

    This section explores various types of pile hammers and the key criteria for their selection based on driving stress and pile material considerations.

    Learning Practice

References

16 c.pdf

Class Notes

Memorization

What we have learnt

  • Concrete piles are particul...
  • Cushioning materials, like ...
  • Safe load on piles can be d...

Final Test

Revision Tests