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 …

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 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 …

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 …

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 water during …

Feb 29, 2008 · The flat surface is good, as you would suspect, to ensure proper steel placement. You could use a good 19mm crushed stone in lieu of blinding concrete (mud slab). Some specify to put a …

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 requirement at ACI …

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 familiar with …

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 …

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 …