Quotes About Feel. Quotes tagged as feel (showing 1-30 of 310) âI used to think I was the strangest person in the world. but then I thought, there are so many people in the world, there must be someone just like me who feels bizarre and flawed in the same ways I do. I would imagine her, and imagine that she must be out there thinking of me too.
In our market, most of the mixes involve adding more Portland cement which affects the strength of the concrete. We typically use a 6 Â½ bag (of Portland) mix that has a compressive strength rating of 3500 psi for sidewalks and 4000 psi for driveways.
1 Order concrete with a compressive strength that meets your needs. 2  Make sure the aggregate is appropriate to the thickness of the slab you are pouring. 3  Order the mix with a Plasticizer or a Super Plasticizer, and make sure that the water:cement ratio is not over .55:1.trength: Most contractors know that they can specify the STRENGTH of the concrete. Strength of concrete is measured in PSI, or Pounds per Square Inch (or MPa, MegaPascals, the metric version of PSI). A normal strength of concrete for residential driveways is between 3000 and 4000psi (20 â 27 MPa).