Effect of Polypropylene Fiber on the Flexural Strength Properties of Lightweight Foam Mixed Soil

Table 1

Properties of materials.

Material	Properties
Bangkok clay	LL = 117%, PL = 39%, PI = 78%, water content = 84%, Gs = 2.65
Polypropylene fiber	Length = 58 mm, section = Rect. 1.0 × 0.5, fiber aspect ratio (length/diameter) = 52, tensile strength = 450 N/mm^2, Gs = 0.91, shape = fully crimped
Portland cement type I
Fly ash	ASTM C 618 (class F)
Foam	Density = 0.05 t/m^3

LL: liquid limit; PL: plastic limit; PI: plasticity index; G_s: specific gravity.