### Can Cement Be Mixed With Sand When Filling Spaces Between ...

THIS GIVES YOU A BASIC 4500 PSI CONCRETE MIX RATIO OF: 1 PART CEMENT; 2.26 PARTS STONE 1.73 PARTS SAND; Rounded off it's basically a 1 : 2 : 2 concrete mix ratio. If I break the weights down per cubic yard of concrete, it comes to: 1. 702.5 pounds of cement. 2. 1587 pounds of stone. 3. 1217 pounds of sand