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 …

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 …

Jul 11, 2017 · 2. Ok, if the blinding layer is still required. Is it acceptable to use geotextile/filter fabric/filter cloth instead of blinding concrete layer under the cast-in-place retaining wall base …

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 …

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 …

Oct 4, 2004 · The flocculation occurs in the bed, however, your problem is the flocc forming too soon, forming large flocc and collecting on the media surface and blinding it. You want to be …

Feb 10, 2008 · Is there a formula for calculating the thickness of a piping blind (i.e. Flange, Fig 8, line blind, etc) ? If so, what is the appropiate formula for each type? Carlos

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 …

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 …

May 9, 2024 · Please have have a look at the attached retaining wall sketch. My question is, our usual practice is to provide 6" thick blinding/lean concrete under every type of foundation. But …