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- Blinding | Eng-Tips
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 construction (workmen) damage You could use a good crushed stone layer as well
- Concrete cover | Eng-Tips
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 , blinding the surface to get a clean working environment In German , this is called 'Sauberkeitsschicht' which could be translated as ' cleanliness layer '
- Blinding Concrete - Specified Grade | Eng-Tips
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 cement concrete) specified for blinding mats underneath all foundations One is called M10 (requiring 10MPa cube
- blinding concrete removal | Eng-Tips
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 vapor barrier then the steel bars My only concern is that i am worried for the vapor barrier since
- underlays to concrete: blinding, poly sheet, sand | Eng-Tips
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 conditions I have always used whatever standard drawings were to hand but now I find myself working for a firm
- Retaining walls sliding | Eng-Tips
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 when it comes to retaining walls, we need sliding resistance specially when there is no passive resistance available
- concrete blinding dimensions | Eng-Tips
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 60cm below but the foundation top level is fixed do i need to have the blinding size bigger than the
- Geotextile filter fabric filter cloth as a blinding layer under a cast . . .
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 crushed stone pad? May geotextile reduce friction coefficient in the case? For retaining structures it is important
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