55 times lower than other cements produced in Ireland . It is also a proponent of GGBS , using it in combination with Portland cement to produce superior longer lasting concrete . Ecocem GGBS is an industrial by product that is diverted from landfill and up-cycled into a commodity product , produced by drying and grinding the GBS at its milling plant in Dublin . On exiting the iron processing system , molten blastfurnace slag is rapidly quenched with water to form Granulated Blastfurnace Slag ( GBS ).
Oxara , launched last October , is another company which is focusing on construction waste ( excavation material ) to build sustainable and affordable housing , claiming its Cleancrete produces 90 percent CO2 reduction and cost reductions compared with conventional concrete .
Another energy-saving innovation concern ’ s Peri ’ s handheld Sono WZ Concrete sensor , which can measure the water to cement ratio in fresh concrete mixes in two minutes – vastly quicker than the hours it can take to test .
constructionglobal . com