80% Phosphogypsum Road Base Material

High strength, low cost

Alkali activators and cement synergistically enhance strength and mitigate brittle failure in high-volume phosphogypsum road base materials.

Lei, Wang · Qiyu, Lu · Jie, Liu · Chen, Jinyi · Chen, Xuyong · Xu, Xiong

Construction and Building Materials 2025

Specifications

Compressive strength MPa

{'zh': '9.37', 'en': '7'} d

compressive strength MPa

{'zh': '11.36', 'en': '28'} d

Stiffness MPa

{'zh': '852.59', 'en': '28'} d

Si ratio d

{'zh': '325.53', 'en': '3'} %

Advantages

Cost-effectiveness 60.44 yuan/m³

Heavy metal leaching complies with environmental regulations