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 …

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 …

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 …

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, …

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 …

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 …

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 …

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 …

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 …

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 …