High-Fluidity Concrete with Low Cement Content

Neuro-Crete Neo™

Summary

Japan is facing a serious shortage of construction workers. In order to improve the productivity of tunnel lining, the use of high-fluidity concrete which requires no compaction is effective.

However, in conventional high-fluidity concrete, separation of materials needs to be prevented by drastic increase in the unit cement quantity which induces increased material cost and risk of thermal crack.

Therefore, we developed Neuro-Crete Neo, the high-fluidity concrete with low cement content. Using a newly developed special thickening agent, it keeps high fluidity and self-compacting property while the cement quantity is equivalent to the concrete used for general tunnel lining.

Comparison of Cement Content and Fluidity
Special thickening agent

Features

The high-fluidity and self-compacting property are ensured, while the cement quantity remains equivalent to the conventional lining concrete.

The special thickening agent can be put into the mixer simultaneously with other materials during the concrete manufacturing with no special equipment or facility needed.

The quality after curing is equivalent to the conventional lining concrete of equal water-cement ratio.

High-quality tunnel lining is possible without compaction.

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