Rice Husk Ash–SAP Cement Composite

Shrinkage-reducing, crack-resistant, strengthened

A multifunctional cement-based composite that uses RHA to fill pores left by SAP after water release and to react with Ca(OH)₂ to form C-S-H gel, achieving internal curing, pore refinement, and crack mitigation simultaneously.

He, Rui · Jian, Guo · Zhiyi, Wei · Wei, Li

Construction and Building Materials 2024

Specifications

strength at SAP
{'zh': '0.15', 'en': '5'} %

Advantages

28-day flexural strength not lower than reference

Significantly reduced hydration heat and negative capillary pressure