Mechanical Properties, Failure Mode, and Microstructure of Soil-Cement Modified with Fly Ash and Polypropylene Fiber

Figure 14

Effect of fiber reinforcement on microstructure of stabilized soil-cement. (a) Without polypropylene fiber (×500). (b) With 0.4% polypropylene fiber (×500). (c) With 0.4% polypropylene fiber (×1000). (d) With 0.4% polypropylene fiber (×5000).

(a)

(b)

(c)

(d)