Fig. 22

Dynamic Modulus of Elasticity: (a) Replacement of Sand by Rubber Powder, (b) Replacement of Sand by Crumb Rubber, and (c) Replacement of Sand by Rubber Fiber.
Dynamic Modulus of Elasticity: (a) Replacement of Sand by Rubber Powder, (b) Replacement of Sand by Crumb Rubber, and (c) Replacement of Sand by Rubber Fiber.