Saturated Surface Dry & Slurry Coating
Saturated Surface Dry & Slurry Coating
(OP)
1. Has anyone found (or implemented) a good definition of SSD that a contractor can clearly understand and follow? I tire of the laziness of contractors implementing their version of SSD, which is never even close.
2. Do you specify a cementitious slurry to be scrubbed into the ex. to remain concrete surface for typical Portland cement concrete repair mortars?
2. Do you specify a cementitious slurry to be scrubbed into the ex. to remain concrete surface for typical Portland cement concrete repair mortars?
"It is imperative Cunth doesn't get his hands on those codes."





RE: Saturated Surface Dry & Slurry Coating
2. I haven't had to do that in a while, but the company I used to work for that did a lot of concrete repair work required that.
RE: Saturated Surface Dry & Slurry Coating
I will have to fashion your answer to #1 into something I can place in general notes!
"It is imperative Cunth doesn't get his hands on those codes."
RE: Saturated Surface Dry & Slurry Coating
You might go a long way explaining the intent of SSD so they know at least what the goal is.
Professional and Structural Engineer (ME, NH)
American Concrete Industries
www.americanconcrete.com
RE: Saturated Surface Dry & Slurry Coating
I like the "Contractor shall close both eyes while touching concrete surface and report findings. This shall be followed by contractor opening both eyes while observing but not touching the same concrete surface and report on these findings. etc."
RE: Saturated Surface Dry & Slurry Coating
"It is imperative Cunth doesn't get his hands on those codes."
RE: Saturated Surface Dry & Slurry Coating
2. Yes. This is known as a neat cement paste and is good for achieving bond between existing and new concrete.
RE: Saturated Surface Dry & Slurry Coating
2. Very good
"It is imperative Cunth doesn't get his hands on those codes."
RE: Saturated Surface Dry & Slurry Coating
1. Oven dry (does not occur in the field)
2. Air dry (moisture partially fills voids in aggregate, but not saturated....occurs in field)
3. SSD (voids in aggregate are filled with water, but surface is dry....transient state, does not hold in field)
4. Wet (saturated voids plus latent water on surface of the aggregate (occurs in field)
RE: Saturated Surface Dry & Slurry Coating
I try to specify the slurry scrub coating. However, all the times I have made site inspections, not once did I see the guys performing it. It is particularly concerning when it dry as a bone outside, but they do not seem to understand the importance of it. Though, many times it is not practical to provide the slurry coating - forming as pouring into a birdsmouth being one of them for sure.
"It is imperative Cunth doesn't get his hands on those codes."
RE: Saturated Surface Dry & Slurry Coating
Professional and Structural Engineer (ME, NH)
American Concrete Industries
www.americanconcrete.com
RE: Saturated Surface Dry & Slurry Coating
"It is imperative Cunth doesn't get his hands on those codes."
RE: Saturated Surface Dry & Slurry Coating
Professional and Structural Engineer (ME, NH)
American Concrete Industries
www.americanconcrete.com
RE: Saturated Surface Dry & Slurry Coating
RE: Saturated Surface Dry & Slurry Coating
"It is imperative Cunth doesn't get his hands on those codes."