The severe diagonal cracks at the corner of the newly-poured concrete foundation walls above suggest something was seriously wrong with this concrete placement: I was not sure if we're missing reinforcement, had an improper concrete mix, or if the wall froze during set-up. Seeing the second i...
Shrinkage cracks are less likely to require structural monitoring and repair in poured concrete as they would be expected to continue after initial curing. Concrete block foundation walls shrink as they cure. They rarely expand much on exposure to moisture and temperature variations. In concrete ...
:But in this photograph of a diagonal crack in a poured concrete foundation, we are almost certainly looking at a large shrinkage crack. Notice that discontinuity in the crack pattern? Diagonal Step Cracking in Concrete block or Brick Walls Caused by Vertical Movement Diagonal cracks which emanate...
The century-old building we occupy in downtown Easton, Pennsylvania, has a foundation and walls that are thoroughly cracked. But cracking concrete has met its match, and you don’t have to be an engineer–Roman or otherwise– to fix the problem. Crack Repair, Start to Finish In the ...
The truth is that concrete shrinks 1/16 of an inch for every ten horizontal feet that’s poured. Did you know that? This shrinkage creates a tension force that tears the concrete apart just as you might rip a piece of paper in two. Professional concrete masons know all about this tension...
Using these additives made my mix incredibly workable. I poured out and used ascreedto get a rough levelon the pond’s bottom first. This did occur on a separate day. With the walls, and in some cases, I troweled the mix on with afinishing trowel. In other places, I just poured my...
To ensure safety when drilling into a foundation Identify the location of utilities and potential hazards before drilling. Use a hammer drill with a suitable drill bit designed for concrete. Avoid drilling near load-bearing walls or critical structural elements. ...
POST a QUESTION or COMMENT about sealing floor or foundation or wall cracks, water entry through cracks, crack sealing approaches, costs, reliability How to seal cracks in concrete floors, foundations, walls, or other masonry: this article how to seal and repair of cracks in poured concrete sla...
Why cracks appear to originate in poured concrete walls at windows or at outside corners in concrete floor slabs Why do concrete shrinkage cracks often begin near the corner of a window, or in a floor near a corner in the foundation footprint?
Cracks in Concrete Foundations, Walls, Floor Slabs POST a QUESTION or COMMENTabout how to tell the difference between building settlement or foundation settlement cracks & shrinkage cracks in poured concrete foundations, walls or floors Concrete crack diagnosis: settlement vs shrinkage: ...