I am getting smarter on how this works. When the rock salt melts, it melts through the ice then forms a brine layer between the roadway and the ice, it is this brine layer that melts the ice. That explains why spraying brine directly on ice does not work as well. It can not eat through the ice and form the brine layer. In the case of gravel road straight salt eats through the ice and keeps on going softening up the gravel. Have used it and it does help break up ice on gravel, but you have to plow it off and if you catch it in time, you won't plow off as much gravel. A slit chunk of sch 40 pipe over you cutting edge helps too.
I am still curious if you can spray a brine solution on too the aggregate that you want to spread. Spraying and mixing, allowing the use of less rock salt also allowing for a more even coating of the aggregate. The sole purpose of the brine being to keep it from freezing in clumps.
Yup, mixing rock salt in with the aggregate has worked forever, it is just a thought.
I'm trying to make it simpler and easier. For me anyway the two just some how don't seem to go together. Like Lou I would have to order large load of premixed sand and salt. Pile it and tarp it. I really don't want to have to do that, I can but. I order a load of road gravel once the weight limits come off every spring to make up for what was plowed off. It would be nice if i could set some aside to use in the winter. I am trying to come up with a way to keep it from freezing into clumps and a way to spread it.
For example we hit -27 here I needed to sand the hill, don't know if I will keep it from freezing at that temp, but like Lou said when it gets real cold if i can get away with scraping off the top layer. I can live with that.
Even after the sun came up it was -18 and I was hand shoveling salt sand mix out of bins I have set on the side of the hill. And that was after breaking a lot of it up. I don't want to do that anymore. When it gets real cold i could bring one inside, but I still have to shovel it out when it is -18. :mur: I can't wait until it warms up UPS needs to get in and out and they are not breaking the bank on what they are spending on new tires. If anyone of the delivery drivers does not see sand on the hill the will not stop. Or worse they put it in a bag and leave it at the side of the road!
