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Recent content by shacks26

  1. shacks26

    Broken Hollowcore Plank

    The current proposals involve: - Removing the loose sections of concrete, - Crimp snapped wires with crimped sleeves, - Drill grout flow holes at either side within each core, - Roughen exposed concrete, - Vacuum clean cores, clean with water and allow to dry, - Form grout stops, - Shutter, add...
  2. shacks26

    Broken Hollowcore Plank

    Not drainholes on this project at least - I've read that they are sometimes used for services - essentially it's one of these (though not by this manufacturer) - https://www.bison.co.uk/products/hollowcore-floors/ The impact was caused by the bit of rubble/slab you can see in the top picture...
  3. shacks26

    Broken Hollowcore Plank

    The previous photo was of the top, and this is the soffit.https://files.engineering.com/getfile.aspx?folder=c9ff02e5-411b-43b7-8420-7ee21dd43a34&file=Screenshot_20210410-183058.png
  4. shacks26

    Broken Hollowcore Plank

    Definitely some things to think about here...I'm in the UK so maybe I should have described them as hollow core floors...I've attached a picture for reference. The wires are 4mm (1/6"?) in diameter, 2 per strand/rib. I don't think that they are keyed to the other floor slabs...
  5. shacks26

    Broken Hollowcore Plank

    I'm working on an existing building, where the demolition team have broken one of the existing hollowcore floor planks - part of the impact load has caused the wires on one of the ribs to break and concrete to break off from the soffit across 70% of the width (probably over the middle quarter of...
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