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Mass concrete cavity fill

Discussion in 'Building' started by magicnumber7, 15 Sep 2020.

  1. magicnumber7

    magicnumber7

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    The engineer for our extension has specified a mass concrete fill to the new cavity walls, to a height at least 150 mm below the DPM. What's the purpose of this fill to the cavity? Thanks!
     
  2. domdee

    domdee

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  4. magicnumber7

    magicnumber7

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  5. domdee

    domdee

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    That's how i interoperate it
     
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  7. garyo

    garyo

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    Worth looking at trench blocks if your have a significant amount of cavity under the ground.
     
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