Mechanical Properties and Durability of Latex-Modified Fiber-Reinforced Concrete: A Tunnel Liner Application

Figure 20

Photographs of fracture shape after impact test. (a) 40 MPa (control). (b) 40 MPa (optimum). (c) 60 MPa (control). (d) 60 MPa (optimum).

(a)

(b)

(c)

(d)