Ready-mix, print on site
A ready-mix concrete that becomes printable on site by secondary mixing with HPMC and recycled aggregates, achieving on-demand pumpability, extrudability and buildability.
Xiao, Jianzhuang · Hou, Shaodan · Duan, Zhenhua · Zou, Shuai
Cement and Concrete Composites 2023
Adding HPMC increases static yield stress, improving buildability
Standing time greatly improves dynamic yield stress