Commercial wallsystems (green)

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  • The Dubai Tower is scheduled to open by the end of 2009 and will be the world’s tallest skyscraper at 2600 feet tall.
  • Notice in the photographs that the walls do not support other structural components. In the first photograph, the ceiling framework is suspended from the roof above (look closely for the wires) In the second photograph [click], the exterior beams carry the structure loads – the walls simply fill in and will provide protection from the elements. In the third photograph [click], the wood framed walls were constructed to the underside of the trusses. The trusses carry the load from the roof above to the exterior load bearing walls.
  • Commercial wallsystems (green)

    1. 1. Commercial Wall Systems If a building looks better under construction than it does when finished, then it's a failure. -Doug Coupland
    2. 2. Commercial Wall Systems <ul><li>Load Bearing Walls </li></ul><ul><ul><li>Low Rise </li></ul></ul><ul><ul><li>Cast-in-Place Concrete </li></ul></ul><ul><ul><li>Tilt-up Concrete </li></ul></ul><ul><ul><li>Concrete Masonry Units </li></ul></ul><ul><li>Non-Load Bearing Walls </li></ul><ul><ul><li>Curtain Walls </li></ul></ul>
    3. 3. Comercial Wall Systems <ul><li>Load Bearing Wall </li></ul><ul><ul><li>Supports vertical loads other than its own weight </li></ul></ul><ul><ul><li>Often supports floors or roof above </li></ul></ul><ul><li>Non-Load Bearing </li></ul><ul><ul><li>Supports only it own weight </li></ul></ul><ul><ul><li>Typically used as </li></ul></ul><ul><ul><ul><li>Partition walls to separate interior spaces </li></ul></ul></ul><ul><ul><ul><li>Protection from the elements </li></ul></ul></ul>
    4. 4. Load Bearing Walls Common Construction Materials <ul><li>Low-rise commercial construction (three stories or less) may be similar to residential construction </li></ul>Light Gauge Steel Precast Concrete Wood
    5. 5. <ul><li>Other common commercial wall materials </li></ul><ul><li>Cast-in-Place concrete </li></ul><ul><li>Tilt-up Concrete </li></ul><ul><li>Concrete Masonry Units (CMU) </li></ul>Load Bearing Walls
    6. 6. Concrete Courtesy of TCA
    7. 7. Concrete <ul><li>Advantages </li></ul><ul><ul><li>Strength (especially in compression) </li></ul></ul><ul><ul><li>Durable </li></ul></ul><ul><ul><li>Fire Resistant </li></ul></ul><ul><ul><li>Pest Resistant </li></ul></ul><ul><ul><li>Rot/Rust Resistant </li></ul></ul><ul><ul><li>Low Maintenance </li></ul></ul><ul><ul><li>Energy Efficient – Thermal mass stores heat energy </li></ul></ul>Pictures courtesy construction photography Concrete is mixed at a plant . . . . . . and transported to the site of the pour.
    8. 8. Green Concrete? <ul><li>LEED credits earned for </li></ul><ul><ul><li>Using materials extracted, harvested, or recovered within a 500 mile radius from the site </li></ul></ul><ul><ul><li>Using recycled aggregate </li></ul></ul><ul><ul><li>Improved energy efficiency by taking advantage of thermal mass of concrete </li></ul></ul><ul><ul><li>Reduced VOCs using concrete compared to other construction materials </li></ul></ul><ul><ul><li>Generating less construction waste than wood or steel </li></ul></ul>www.usgbc.org
    9. 9. Cast-in-Place Concrete <ul><li>Concrete walls are formed, reinforced, and poured in place. </li></ul><ul><li>Concrete is reinforced with steel bars to improve tensile and bending strength. </li></ul>©iStockphoto.com ©iStockphoto.com
    10. 10. Cast-in-Place Concrete Typical Construction Image Courtesy masonrysystems.org WEEP HOLE
    11. 11. Cast-in-Place Concrete Wall with Insulating Concrete Forms (ICF) Concrete forms consist of insulating foam that stays in place as a permanent part of the wall assembly. Courtesy TexAZ Commercial Properties
    12. 12. Burj Dubai United Arab Emirates 155 N Wacker Chicago Courtesy Portland Cement Association Courtesy Portland Cement Association
    13. 13. Tilt-up Concrete <ul><li>Concrete wall sections (with reinforcing) are poured horizontally on site, tilted vertically, and the anchored. </li></ul>Courtesy TCA Courtesy TCA Courtesy Greg Thiel
    14. 14. Tilt-up Concrete <ul><li>Can be formed into a variety of shapes and sizes </li></ul><ul><li>Different surface treatments and form inserts can be used to create a wide variety of surface textures </li></ul><ul><li>Relatively quick design and construction time </li></ul>Form inserts give relief to the panels Thin bricks are set in the form before the concrete is cast Courtesy Tilt-up Concrete Association Courtesy Tilt-up Concrete Association Courtesy Tilt-up Concrete Association Courtesy Greg Thiel
    15. 15. Typical Tilt-up Concrete Wall Section
    16. 16. All images courtesy Tilt-Up Concrete Association Bright House Networks, St. Petersburg, FL Boca Village Corporate Center Boca Raton, FL San Diego Children’s Museum, San Diego, California Austin Research Center for the Homeless, Austin, TX
    17. 17. Concrete Masonry Units (CMU) <ul><li>Concrete is cast into hollow blocks that can be stacked and grouted to form walls. </li></ul><ul><li>CMU load bearing walls are reinforced with steel bars to improve tensile and bending strength. </li></ul>Courtesy Masonry Systems.org ©iStockphoto.com photo courtesy of constructionphotographs.com
    18. 18. Isle of Palms Recreation Center, SC Courtesy Tilt-up Concrete Association Tilt-up and CMU construction RS+K Advertising Madison, WI Commercial building under construction Courtesy Constructionphotographs.com Courtesy Isle of Palms Recreation Center
    19. 19. Non-Load Bearing Wall <ul><ul><li>Supports only its own weight </li></ul></ul><ul><ul><li>Typically used as </li></ul></ul><ul><ul><ul><li>Partition walls to separate interior spaces </li></ul></ul></ul><ul><ul><ul><li>Protection from the elements </li></ul></ul></ul><ul><ul><li>Materials </li></ul></ul><ul><ul><ul><li>Wood framing </li></ul></ul></ul><ul><ul><ul><li>Light gauge steel framing </li></ul></ul></ul><ul><ul><ul><li>Concrete masonry units </li></ul></ul></ul><ul><ul><ul><li>Curtain walls </li></ul></ul></ul>Courtesy Connie Bertucci Courtesy TexAZ Commercial Properties photo courtesy of constructionphotographs.com
    20. 20. Curtain Walls <ul><li>Non-load bearing wall attached to the exterior of a building </li></ul><ul><li>Often composed of glass and metal </li></ul><ul><li>Provides visual appeal, daylight, and protection from the elements </li></ul>Courtesy Tilt-up Concrete Association Courtesy Tilt-up Concrete Association Wikipedia.com Courtesy Lawrence C. Novak, Portland Cement Association Trump Tower
    21. 21. Commercial Wall Systems <ul><li>Load Bearing Walls </li></ul><ul><ul><li>Low Rise </li></ul></ul><ul><ul><li>Green Concrete? </li></ul></ul><ul><ul><li>Cast-in-Place Concrete </li></ul></ul><ul><ul><li>Tilt-up Concrete </li></ul></ul><ul><ul><li>Concrete Masonry Units </li></ul></ul><ul><li>Non-Load Bearing Walls </li></ul><ul><ul><li>Curtain Walls </li></ul></ul>
    22. 22. Image Sources <ul><li>Wikipedia.org </li></ul><ul><li>Tilt-up Concrete Association </li></ul><ul><li>TexAZ Commercial Properties, LLC </li></ul><ul><li>Constructionphotographs.com </li></ul><ul><li>Isle of Palms Recreation Center, Isle of Palms, SC </li></ul><ul><li>Masonrysystems.org </li></ul><ul><li>Connie Bertucci, Victor Senior High School, Victor, NY </li></ul><ul><li>iStockphoto.com </li></ul>

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