noun
stiff-consistency concrete
Technical term in civil engineering and construction for concrete with a very low slump, used where minimal formwork pressure or high early strength is needed.
固練りコンクリートはスランプがほぼゼロで、型枠に流し込むというよりは突き固めて施工する。
Stiff-consistency concrete has almost zero slump and is placed by tamping rather than pouring into forms.