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 …

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 …

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 …

Mar 13, 2002 · Set and cure times are also reflected in minimum times required before striking the form work. There is a requirement especially for marine structures to prevent the ingress of …

Jan 10, 2024 · This question has been worked at several threads . Search eng-tips for already answered questions with word Clear cover, blinding layer, mud layer .. It is not mandatory …

Nov 14, 2019 · I wasn't sure whether the OP was referring to shear strength (which is defined for plain concrete under US code) or the angle at which the cracking would take place. I'm not …

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 …

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 …

Nov 16, 2016 · Of course waterproofing, of any type, will reduce friction between the blinding and the RCC. Why do you need this friction interface? Why is there a blinding layer?