ItemsABCDEF89764Open Innovation ProjectTokyo University of Science3,7004,1006,5007,50016,0001,3001,3001,2001,2001,10040404243461211121012Resource conservationConserving materials and streamlining structural engineering methodsDeveloping surface finishing techniques to ensure freedom of designHigh insulationEmbodying energy-saving exterior materialsUsing exterior materials that contribute to energy conservationby reducing the energy required for heating and cooling during the operational stageResource recyclingCircular economyProactively utilizing recycledaluminum and steelEncouraging the use of woodウッド・ファーストImproving the performance of foundation materials and 下地材や断熱材の性能向上へinsulation materialsUsing interior materials that contribute to energy conservation運用段階の冷暖房電力を削減by reducing the energy required for heating and cooling during the 省エネに寄与する内装へoperational stage19,0001,400OtherBuilding frame: 40‒46421211Longer service lifeEnsuring high durabilityEncouraging the use of woodウッド・ファーストReducing deterioration and controlling the effectsof aging through structural engineering methodsWood utilizationImproving the performance of foundation materials and 下地材や断熱材の性能向上へinsulation materialsEncouraging the use of woodMaking improvements that encourage the utilization of woodUsing interior materials that contribute to energy conservation運用段階の冷暖房電力を削減by reducing the energy required for heating and cooling during the 省エネに寄与する内装へoperational stagePlanningBasic designDetailed designExecution(1) Estimate preparationAutomatic one-click conversion(2) Automatic conversionShimizu estimate systemEmbodied carbon is derived at the basic design stage through the use of an automated platform (belonging to Shimizu Corporation) for calculating CO₂ emissions associated with construction and production.Total floor area (m²)CO₂ emissions (kg-CO₂ / m²)Building frame (%)Exterior materials (%)Interior materials (%)OperationDemolition(3) Outputting different formatsGORLEM CO₂The system is capable of outputting data in formats that are compatible with different methods.Interior/exterior materials: 16‒23Longer service lifeEnsuring high durabilityReducing deterioration and controlling the effectsof aging through structural engineering methodsWood utilizationEncouraging the use of woodMaking improvements that encourage the utilization of wood木材活用Wood utilization木材の積極利用へActively using wood高断熱化High insulationResource conservationConserving materials and streamlining structural engineering methodsDeveloping surface finishing techniques to ensure freedom of designHigh insulationEmbodying energy-saving exterior materialsUsing exterior materials that contribute to energy conservationby reducing the energy required for heating and cooling during the operational stageResource recyclingCircular economyProactively utilizing recycledaluminum and steel木材活用Wood utilization木材の積極利用へActively using wood高断熱化High insulationToward the realization of environmentally conscious architecture through research and development of high-performance materials and design-construction methods contributing to CO₂ emission reductionBackgroundandPurposeoftheProjectTowards Achieving Environmentally FriendlyArchitecturethroughReductionofEnvironmentalImpactinNon-StructuralComponentsContributionofthisProjectWhat is Environmentally conscious architecture, and how should it be designed and constructed? What materials and construction methods contribute to that realization? Our goal is to create and enhance the academic research field that bridges cutting-edge and fundamental research areas with practical application areas, bringing together Tokyo University of Science’s scientific and engineering expertise and Shimizu Corporation’s practical and operational capabilities towards achieving the design and construction methods required to realize truly environmentally conscious buildings.DirectorProfessorDepartment of ArchitectureFaculty of Science and Technology Based on the achievements of the past three years, this project will enter Phase 2 (from 2025), aiming for further collaboration with society and practical implementation. By advancing this industry-academia collaboration as a comprehensive, open innovation-based project, we aim to create pioneering examples across a broad spectrum of interdisciplinary fields and take a leading role in environmental conservation within the construction industry. The realization of this initiatives is expected to result in the following contributions to the societal issue: Establishment of an ecologically congruous society via the formulation of methodologies underpinning design and construction facets of environmentally mindful architecture. Pioneering the development and real-world assimilation of novel material technologies and construction methodologies that underpin environmentally conscious architectural endeavors. The crystallization of an integrated framework that fosters both foundational research and societal deployment, culminating in the creation and implementation of pioneering environmentally conscious technological paradigms. Nurturing a cadre of adept professionals pivotal to the realization of environmentally conscious architectural endeavors.Examples of life cycle CO₂ calculation results (six office building examples) are based on the “LCA Guidelines for Buildings” published by the Architectural Institute of JapanInterior and exterior materials (non-structural components) play a functional role in determining the direct performance of buildings, and their share of CO₂ emissions cannot be ignored.Examples of efforts aimed at achieving environmentally friendly constructionManabu KANEMATSUPh.DOur goal is to achieve the societal implementation of environmentally conscious architecture by developing a system to assess and visualize the life cycle CO₂ emissions of non-structural components, considering their lifespan. Additionally, we promote research and development of high-performance materials and construction methods that reduce CO₂ emissions during manufacturing and construction.ObjectivesWe will achieve the design and construction methods with innovative functional building materials based on new concepts while taking advantage of the industry-academia collaboration and science-engineering partnership, toward the ultimate goal of environmentally conscious architecture.WG0: CO₂ Reduction StrategyWG1: Exterior Materials / WG2: Interior Materials / WG3: Opening Components / WG4: Substrate MaterialsFuture Development Goals As efforts towards decarbonization spread throughout society, the role served by the construction sector, which forms the foundation of people’s activities and lives, is immensely significant. It is essential to conduct a comprehensive examination that combines the academic foundation required for achieving highly advanced environmentally friendly architecture with the practical capability to implement these concepts in the real world. Given the significant advancements in energy conservation, renewable energy, and CO₂ reduction during the operational phase of buildings, the proportion of environmental impact generated during material procurement, production, and construction processes is relatively increasing throughout the entire building lifecycle. In particular, nonstructural components, which produce about 20% of the “Embodied Carbon” emissions during the construction phase, play an important role in controlling the diverse performance and functionality of spaces. On the other hand, while there are a vast number of combinations of materials and construction methods, and there have been many individual studies on it and social implementations from the perspective of environmental considerations, efforts to optimize the environmental impact, performance, and functionality of entire buildings have not been sufficient. This project aims to establish practical design and construction methods that minimize environmental impacts throughout the entire lifecycle, by developing the evaluation methods for environmentally friendly architecture. Our fusion research project will serve as a platform for the development of new functional building materials that bridge advanced foundational research and practical applications, with the goal of creating new research fields. In the pursuit of reducing environmental impacts associated with non-structural components, a comprehensive assessment considering both Embodied Carbon and operational carbon emissions during the operational phase is necessary to evaluate the entire lifecycle CO₂ emissions of buildings, known as “Whole Life Carbon.” In addition, it’s essential to take into account the impacts of performance as building components on environmental impact the use of recycled materials, and other practical initiatives. However, when compared to structural materials, the inadequate progress in establishing a comprehensive database for non-structural materials, which is crucial for accurately calculating Embodied Carbon, is also a noteworthy concern. Therefore, this project will advance research and development through the establishment of the following working groups for “Investigation of Environmentally Friendly Architecture Strategies,” which aims to construct evaluation and optimization methodologies for the design and construction of environmentally friendly architecture, as well as “Research and Development of Environmentally Friendly Construction Methods,” which involves the implementation of specific material and construction method developments.i )Investigation of Environmentally Friendly Architecture Strategiesii )Research and Development of Environmentally Friendly Construction Methods In the WG0, we will promote research and development of materials and methods that achieve a high level of environmental performance and functionality for exterior materials (WG1), interior materials (WG2), opening components (WG3), and substrate materials (WG4), which have a significant impact on Whole Life Carbon.Established: June, 2022 manabu@rs.tus.ac.jp33Research ＆ Development Platform of Functional Green Building Materials
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