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TED2021-129760B-I00

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3D SLAG CONCRETE MANUFACTURING SOLUTIONS FOR MARINE BIOTOPES

CLIMATE CHANGE IS DRAMATICALLY AFFECTING COASTAL AREAS. STORMS AFFECT BEACHES AND URBAN FACILITIES PLACED IN COASTAL LINES AND PRODUCE SERIOUS DAMAGES TO MARINE ECOSYSTEMS BECAUSE OF CONTAMINATION. PLACEMENT OF ARTIFICIAL REEFS HA... ver más

01/01/2021

UPC

190K€

Presupuesto del proyecto: 190K€

Líder del proyecto

Universidad Politécnica de Cataluña No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 9

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo AGENCIA ESTATAL DE INVESTIGACIÓN notifico la concesión del proyecto el día 2021-01-01 No tenemos la información de la convocatoria

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Líder del proyecto

Universidad Politécnica de Cataluña No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 9

Presupuesto del proyecto 190K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto CLIMATE CHANGE IS DRAMATICALLY AFFECTING COASTAL AREAS. STORMS AFFECT BEACHES AND URBAN FACILITIES PLACED IN COASTAL LINES AND PRODUCE SERIOUS DAMAGES TO MARINE ECOSYSTEMS BECAUSE OF CONTAMINATION. PLACEMENT OF ARTIFICIAL REEFS HAS PROVED TO BE AN EFFECTIVE TECHNOLOGY TO PROTECT THE COASTAL LINE AND TO RESTORE THE DAMAGED ECOSYSTEMS. MATERIALS USED TO BUILD ARTIFICIAL REEFS INCLUDE ROCKS, BLOCKS OF ASH, AND EVEN OLD WOOD AND TIRES. TODAY, SEVERAL COMPANIES ARE SPECIALIZED IN THE DESIGN, MANUFACTURE, AND DEPLOYMENT OF LONG-LASTING ARTIFICIAL REEFS THAT ARE TYPICALLY CONSTRUCTED OF LIMESTONE, STEEL, AND CONCRETE.ON THE OTHER HAND THERE IS A BIG ENVIRONMENTAL ISSUE WITH SOME RELEVANT WASTE MATERIALS. FIRSTLY, STEEL PRODUCTION IS RESPONSIBLE FOR THE GENERATION OF SLAG-TYPE WASTE. IN 2019, WORLD STEEL SLAG PRODUCTION WAS ESTIMATED TO BE BETWEEN 190 MILLION TO 280 MILLION TONS, WHILE THE PRODUCTION VOLUME HAS BEEN GROWING OVER TIME. THIS IS A BIG ECOLOGICAL DEAL. MOREOVER, QUARRIES EXPLOITATION PRODUCES MILLIONS OF TONS OF DUST AND AGGREGATES THAT CANNOT BE SET ON THE MARKET. THEREFORE, EVERY YEAR MILLIONS OF TONS OF BOTH MATERIALS END UP IN LANDFILLS GENERATING A HUGE ECOLOGICAL PROBLEM. THE WHITE SLAG CANNOT BE USED IN THE CONSTRUCTION INDUSTRY BECAUSE OF DIMENSIONAL PROBLEMS AND LOW STRENGTH. NEVERTHELESS, A MIXTURE OF SLAG CONCRETE COULD BE DEVELOPED AND TESTED TO BE USED IN 3D LARGE SCALE MANUFACTURING FOR THE PRODUCTION OF ARTIFICIAL REEFS, AS PROVED FROM A FEW PATENTS RELEASED FROM ASIAN COUNTRIES RELATED TO THIS TECHNOLOGY. INSTEAD, THE QUARRY WASTE WAS LARGELY PROVED TO BE A GOOD MATERIAL FOR THE APPLICATION OF CONCRETE AND CREATION OF BIOTOPES. THEREFORE, THE DRAWBACKS OF SLAG CONCRETE MIGHT NOT BE A LIMITATION FOR UNDERWATER ARTIFICIAL REEFS. BESIDES, CALCAREOUS WASTE FROM QUARRIES HAS BEEN PROVED AS AN ADEQUATE MATERIAL FOR CONCRETE, WITH NO ENVIRONMENTAL EFFECTS UNDERWATER, EITHER IN THE SHORT OR LONG TERM. WHITE SLAG WASTE HAS A RELEVANT COMPOSITION OF ALUMINUM AND IRON OXIDES THAT HAVE BEEN SHOWN TO SUPPORT THE DEVELOPMENT OF SEAWEED AND OTHER MARINE LIFE. THEREFORE, THE BIOTOPES OBTAINED FROM SCRAP SMELTING MIGHT HELP THE COLONIZATION AND GROWTH OF FOULING ASSEMBLAGES COMPARED TO TRADITIONAL CONCRETE SOLUTIONS. THE PRESENT PROJECT IS NOVEL IN THE APPLICATION OF SLAG-CONCRETE OBTAINED FROM THE SPANISH STEEL INDUSTRY WASTE MATERIALS TO MANUFACTURE A MIXTURE THAT CAN BE 3D PRINTED IN LARGE SCALE. MOREOVER, THE PROPOSAL TO MONITOR THE UNDERWATER PERFORMANCE OF THE SUBMERGED STRUCTURE WITH NEW TECHNOLOGIES THAT DO NOT IMPACT THE ECOSYSTEMS, SUCH AS VIDEO-CAMERAS AND ENVIRONMENTAL SENSORS, IS A TRUE CHALLENGE.THE MAIN GOAL OF THE PROJECT WILL BE THE MANUFACTURING OF ARTIFICIAL REEFS FOR MARINE BIOTOPES USING A LARGE SCALE 3D PRINTER. THE PRINTED MATERIAL WILL BE CONCRETE WITH SLAG AGGREGATES FROM WASTE RESIDUES OF THE STEEL INDUSTRY, TOGETHER WITH CALCAREOUS QUARRY WASTE. THE MAIN OBJECTIVE IS ORIENTED TO: TO ADDRESS A CIRCULAR ECONOMY SOLUTION FOR SLAG FURNACE AND QUARRY WASTE RESIDUES. TO FOSTER 3D PRINTING LARGE SCALE AUTOMATION AND DIGITAL SOLUTIONS. TO DEVELOP NEW SEAFLOOR STRUCTURES COMPATIBLE WITH ADVANCED ECOLOGICAL MONITORING SYSTEMS AND TOOLS FOR THE ASSESSMENT OF ARTIFICIAL REEFS POTENTIAL AT RESTORATION. TO ACCELERATE THE RESTORATION OF DAMAGED COASTAL ECOSYSTEMS WITH STANDARD, HIGHLY-REPLICABLE REDEPLOYED UNITS. TO PROTECT COASTAL ENVIRONMENTS FROM CLIMATE CHANGE.

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