Calculate Wall Bracing - Part 1- Getting started

Buildsum
21 Oct 201905:43

Summary

TLDRThis video series explores calculating wall bracing for timber-framed houses in non-cyclonic areas, focusing on AS1684.2 standards. It discusses the importance of bracing for each story, wind exposure, and temporary bracing. The series will cover wind classification, wind pressure, elevation area, racking force, bracing system design, and connection checks.

Takeaways

  • 🏠 The video series focuses on calculating wall bracing for timber-framed houses in non-cyclonic areas, following AS1684.2 standards.
  • 📝 Bracing must be designed for each story of the house and the subfloor if required, considering different requirements for each level due to factors like wind exposure.
  • 🌬 The direction of the wind that results in the greatest loading on the house should be used in calculations, typically the side with the largest surface area facing the wind.
  • 🚧 Temporary bracing is needed during construction to support wind and construction loads, and it should be equivalent to at least 60% of the permanent bracing.
  • 🔄 If temporary bracing is installed and left in place, it can become part of the permanent bracing system.
  • 🌪 The wind classification for a building is determined by factors such as building height, terrain category, topographic classification, and shielding classification.
  • 📈 Regulatory authorities like councils and private certifiers can provide wind classification information, or it can be found on various websites and documents.
  • 🔗 The video description will include a link for more detailed information on determining wind classification for a specific area.
  • 📐 The series will cover topics such as wind pressure calculation, area of elevation, racking force, bracing system design, and even distribution of bracing.
  • 🔩 It's important to ensure that bracing is properly connected to the roof and floors to effectively transfer loads.
  • 🔄 The presenter will continue the series with a focus on wind pressure in the next video.

Q & A

  • What is the main focus of the Buildsum series on calculating wall bracing?

    -The main focus of the series is to explain how to calculate and work out wall bracing for timber framing, specifically in non-cyclonic areas as per AS1684.2.

  • Why is it necessary to design bracing for each story of a house and the subfloor?

    -It is necessary because each story and the subfloor may have different requirements due to factors like wind exposure, and wind can blow from any direction.

  • What is the purpose of calculating the wind direction that results in the greatest loading?

    -The purpose is to determine the side of the house that presents the largest surface area facing the wind, which will give the greatest load for the bracing calculations.

  • What is the minimum percentage of temporary bracing required during construction compared to the permanent bracing?

    -Temporary bracing should be equivalent to at least sixty percent of the permanent bracing required.

  • Can temporary bracing be used as part of the permanent bracing if left in place?

    -Yes, if temporary bracing is installed and left in place, it can become part of the permanent bracing.

  • What are the main topics covered in the subsequent videos of the series?

    -The main topics include wind classification, determining wind pressure, calculating the area of elevation, racking force on the building, designing bracing systems for subfloor and walls, ensuring even distribution and spacing of bracing, and checking connections to the roof and ceilings.

  • How can one determine the wind classification for their area?

    -Wind classification can be determined by considering the building height, terrain category, topographic classification, and shielding classification. Information can be obtained from regulatory authorities, councils, private certifiers, or online resources.

  • What is the general wind classification for Sydney that the presenter uses as a starting point?

    -The presenter generally works on an N3 wind classification for Sydney, which is one of the higher classifications.

  • What is the importance of determining the wind pressure on walls?

    -Determining wind pressure is crucial to calculate how much bracing is needed to ensure the structural integrity of the walls against wind forces.

  • How can viewers stay updated with the Buildsum series?

    -Viewers can subscribe to the presenter's YouTube channel or follow on Facebook to receive updates on more videos in the series.

Outlines

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関連タグ
Wall BracingTimber FramingAS1684.2Wind ClassificationRacking ForcesShear ForcesNon-CyclonicConstruction LoadsTemporary BracingWind Pressure
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