2.3 Strength and Deformation of Concrete 同橘大学 土苏三鞋季花 汽0n号s7 2.3.3 Compressive strength under axial load Cube strength feu Loading plate Friction ↓↓↓小 ↓↓↓↓ Specimen 50×150×150 ↑↑↑↑↑ ↑↑↑↑↑ .Cubic strength of concrete is used in China to describe the grade of concrete C15,C20,C25,C30,C35,C40,C45,C50,C55,C60,C65,C70,C75, C80 5 2.3 Strength and Deformation of Concrete 2.3.3 Compressive strength under axial load Cube strength fcu Loading plate Specimen 150×150 ×150 Friction •Cubic strength of concrete is used in China to describe the grade of concrete ： •C15，C20，C25，C30，C35，C40，C45，C50，C55，C60，C65，C70，C75， C80