Publicación: INNOVATIVE PRACTICES FOR CLT BUILDINGS TOWARDS EMBODIED CARBON REDUCTION IN SEISMIC ZONES: A SYSTEMATIC REVIEW
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2025
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BUILDINGS
Resumen
THE USE OF CROSS-LAMINATED TIMBER (CLT) PANELS IN BUILDINGS OFFERS EARTHQUAKE RESISTANCE WITH A LOW CARBON FOOTPRINT. HOWEVER, SIGNIFICANT SEISMIC DISPLACEMENTS CAN CAUSE DAMAGE, RAISING CONCERNS ABOUT THE LONG-TERM EMBODIED CARBON BALANCE OBTAINED, PARTICULARLY IF SIGNIFICANT INTERVENTIONS ARE REQUIRED TO RESTORE THE ORIGINAL FUNCTIONALITY. THIS STUDY EMBRACES A SYSTEMATIC REVIEW OF INNOVATIONS CONSIDERED FOR MASSIVE TIMBER STRUCTURES IN SEISMIC ZONES, FOCUSING ON EMBODIED CARBON EMISSION REDUCTION. THE ANALYSIS UNDERTAKEN IS BASED ON PREFERRED REPORTING ITEMS FOR SYSTEMATIC REVIEWS AND META-ANALYSES (PRISMA) USING THE SCOPUS AND WEB OF SCIENCE DATABASE REFERENCES PUBLISHED FROM 2010 TO 2025. A TOTAL OF 53 DOCUMENTS MEETING THE SEARCH CRITERIA WERE IDENTIFIED AND ASSESSED, CONSIDERING THEIR DEGREE OF TECHNOLOGICAL MATURITY (TRLS). THE RESULTS HIGHLIGHT EFFORTS TOWARD INNOVATION IN THE PERFORMANCE OF CONNECTIONS AND LATERAL STABILIZATION TO MINIMIZE DAMAGE AND ENHANCE REPARABILITY, REVEALING THE NEED TO LINK NEW PRACTICES AND TECHNOLOGIES TO THE STRUCTURAL AND ENVIRONMENTAL RESULTS OF THE SOLUTION, PARTICULARLY IN TERMS OF EFFICIENCY IN THE USE OF MATERIALS ABOUT THEIR POSSIBLE REPAIR AND REUSE AT DIFFERENT STAGES OF THE LIFE CYCLE. THE AVAILABILITY OF INNOVATIONS AIMED AT CARBON FOOTPRINT REDUCTION, AND WHICH PRESENT A HIGH DEGREE OF TECHNOLOGICAL MATURITY IS REVIEWED AND THE POTENTIAL OF THESE SOLUTIONS IS EVIDENCED IN PLACES WHERE SEISMIC VULNERABILITY GREATLY INFLUENCES THE DESIGN; COMBINING PERFORMANCE WITH THE AIM OF ACHIEVING A CARBON-NEUTRAL ECONOMY.
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Low carbon, Seismic, Resilience, Green building, Innovation, CLT building
