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  1. Blinding Concrete - Specified Grade | Eng-Tips

    Nov 22, 2003 · I have a question of all you experienced structural (foundation) and geotechnical engineers. For the project on which I am currently working, there are two grades of PCC (plain …

  2. Blinding | Eng-Tips

    Apr 3, 2009 · Agree that blinding concrete (or what I call a mudmat) is a good idea many times for ease in setting formwork and steel, to prevent damage of the founding soil in case of rain or just …

  3. underlays to concrete: blinding, poly sheet, sand | Eng-Tips

    Oct 21, 2013 · Hello all. Can anyone advise the different uses of blinding concrete, polythene sheeting and sand as underlays for various concrete structures poured on ground? This is for Australian …

  4. concrete blinding dimensions | Eng-Tips

    Oct 31, 2017 · hello for the concrete blinding dimensions under isolated footings, does it need to be same size of the footing or bigger. in our case we have a 30cm blinding since the hard rock is at …

  5. Blind concrete ? | Eng-Tips

    Apr 1, 2002 · Hi, I'm curious why we have to put the blind concrete underneath the spread footing or ground slab? It jsut for protect the debris from soil to mix with fresh concrete. Is it neccessary to have …

  6. Concrete cover | Eng-Tips

    Dec 20, 2023 · In case of lean concrete seal coat , ( blinding layer ) this will give a level surface for placing reinforcement and protect reinf. from dirt .The term ' blinding layer' is meaningful that is , …

  7. Sliding friction on waterproofing emebrane | Eng-Tips

    Oct 11, 2002 · I have a concrete retaining wall which is placed on a 50 mm of smooth blinding concrete layer, separated by a 0.25 mm polyethylene membrane. Can anyone help with value of coefficient of …

  8. Geotextile/filter fabric/filter cloth as a blinding layer under a cast ...

    Jul 11, 2017 · Hi comrades :) Designing a retaining wall. Structural layering from top to bottom: the cast-in-place retaining wall base > blinding (weak concrete thin layer or geotextile) if necessary > crushed …

  9. Green Cutting of Blinding Concrete / Mud Mat | Eng-Tips

    Feb 13, 2020 · Contractor has placed a blinding concrete for a foundation (some call it a mud mat, some lean concrete). Basically, it is a thin slab, as you all know, to provide a nice working platform for the …

  10. Cracks on Lean Concrete - Do these need to be repaired?

    Feb 11, 2015 · The engineering says that these cracks need to be repaired. Many people told me that lean concrete is just to have a clean Surface and start to mark and install rebars and embedded …