Cement-Fly Ash Composite Expansive Grout

Late expansion, anti-corrosion

Fly ash improves the stability and volume shrinkage of ordinary cement grout, enhancing late expansion and corrosion resistance.

Senwei, Wang · Ma, Chuanyi · Yang, Lei · Yang, Weimin · Ruipeng, Wang · Lin, Rongfeng · Yu, Honghao · Xin, Fu

Journal Wuhan University of Technology, Materials Science Edition 2025

Specifications

掺粉煤灰试样腐蚀系数均大于

{'zh': '100', 'en': ''} %

Advantages

Fly ash improves later expansion performance from 7 to 42 d

Fly ash reduces early expansion; with higher water-binder ratio, the reduction is smaller and lasts shorter