A Comparative Life Cycle Assessment (LCA) of Warm Mix Asphalt (WMA) and Hot Mix Asphalt (HMA) Pavement: A Case Study in China

Table 1

Composition of 1000 m³ asphalt mixtures.

Asphalt mixture	SBS-modified bitumen (t)	#70 asphalt (t)	Fiber stabilizer (t)	Sand (m^3)	Mineral powder (m^3)	Stone chip (m^3)	Gravel (m^3)
SMA-13	144.32	—	7.34	119.38	246.74	126.56	1111.35
AC-20	—	122.54	—	471.22	128.40	261.18	723.22
AC-25	—	113.47	—	389.79	117.72	226.75	854.79