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Recent content by Q5CM

  1. Q5CM

    Cracks in Foundation

    Hi Guys, Sorry could not get a photo permit from the site manager, but here are some more details; The foundation is octagonal the size is 5m by 5m the height is 1.75 m , 1m below ground and 0.75 above ground reinforcement; 25mm mesh four layers - top, - bottom - upper intermediate,- lower...
  2. Q5CM

    Cracks in Foundation

    Thanks to all, I will try and get some photos posted,but getting a photo permit on this site is hard, but i will try thanks again
  3. Q5CM

    Cracks in Foundation

    I have a foundation with an Octagonal pedestal, the diameter of the pedestal is about 3meters and rises above the ground level by about 1.5 meter. the pedestal carries a process vessel which sits on a steel ring. during commissioning and the vessel was filled we have noticed cracks at each...
  4. Q5CM

    Burried services

    I hear what you are saying, it is true you need data, what I was looking for is if any one has a worked example, at least i could then follow the steps. most of the time the scenario is that we have a 10 inch GRP pipe burried about 6 ft in sand, and a concrete transit mixer wants to cross over...
  5. Q5CM

    Burried services

    On many Occasions I am Asked to make a calculation to certify if a load ( truck or crane ) is safe to pass over a burried cable or burried pipe, can any one help on the basic concepts used for such calculations? is just the load divided by the area? what effect does the depth of the burried item...
  6. Q5CM

    Crack in epoxy-urethane polymer sealant

    Hi Guys, I need help regarding a situation I have on site as below; I ( client) am using a epoxy-urethane sealant in the concrete movement joint between two floor slabs, do to wrong application two defects appeared 1) a crack in the sealant appeared( in the middle) and 2) the sealant seperated...
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