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 …
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 …
Geotextile/filter fabric/filter cloth as a blinding layer under a cast ...
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 on top of the …
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 …
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 …
Blinding Media Filters | Eng-Tips
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 looking for a …
Positive Isolation - Blinds | Eng-Tips
May 2, 2005 · Hi, We have a tank farm where aviation turbine fuel ( ATF) or jet fuel is stored in the refinery. "Hammer blinds'are being used for positive isolation which will isolate the tanks from the …
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 …
blinding concrete removal | Eng-Tips
Jan 24, 2016 · Good day, the contractor is proposing to remove the blinding concrete under the slab on grade and replace it by a layer of tout venant of 200mm thickness. After compaction, he will place the …
Unreinforced concrete shear | Eng-Tips
Nov 14, 2019 · I wold second MIStructE's opinion that blinding should not provide any shear resistance. These concrete mixes usually lack the large aggregate that provides shear resistance due to interlock.