Porous Stones for Direct Shear Strength
Porous Stones are made of aluminum oxide and available in both round and square shapes; they are 0.25in (6.4mm) thick. Round Porous Stones come in a variety of sizes ranging from 1.953in (49.6mm) to 3.985in (101.2mm) in diameter. Square Porous Stones range from 1.953x1.953in (49.6x49.6mm) to 3.985x3.985in (101.2x101.2mm). A top and bottom Porous Stone is used in testing.