Performance-Based Design of Tall Mass Timber Buildings Under Earthquake and Fire Loads

地震和火灾荷载下高层木结构建筑的基于性能的设计

• 批准号: 578457-2022
• 负责人: Tesfamariam, SolomonS
• 金额: $ 8.74万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Alliance Grants
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=761743
• 关键词: Performance; Based; Design; Tall; Mass

Rapid growth of urban populations and associated environmental concerns created an opportunity for city planners and developers to consider sustainable building systems. A decision on the selection of the masstimber building, by different stakeholders, should consider economics, aesthetics, technology, regulations andpolitical factors. The political factors are indeed satisfied as the Canadian timber industry and NaturalResources Canada are backing design and construction of tall-timber buildings. One such initiative in BritishColumbia (BC) is Forrest Innovation Investment (FII) Wood First - 3 Year Strategy.? Canadian engineers anddesigners are at the forefront and are pushing the limit of tall-timber design. The 2019 CSA 086 and 2020 NBCincreased the height of cross-laminated timber (CLT) to 12 storeys.? With increase in building height, however,timber being lighter material, is subject to lateral loads from wind and earthquake (the focus of this proposal).Thus, there is an opportunity to propose an innovative building system and design principles.In line with the "Wood First Initiative" program of the government of BC, in the current proposal, it isenvisioned to develop a comprehensive design guideline for mid- to tall-mass-timber buildings (6-20 storeys).It is believed that the availability of design guideline would enhance the confidence of architects, structuralengineers, owners and contractors towards tall mass-timber buildings. Outcome of the proposed researchwould increase the volume of wood in buildings, which will support the forestry business in Canada.

城市人口的迅速增长和相关的环境问题为城市规划者和开发商考虑可持续建筑系统创造了机会。不同的利益相关者选择大规模木结构建筑的决定应该考虑经济、美学、技术、法规和政治因素。政治因素确实得到了满足，因为加拿大木材工业和加拿大自然资源部支持高木建筑的设计和建造。在不列颠哥伦比亚省（BC）的一个这样的倡议是福雷斯特创新投资（PII）木材第一个3年战略。加拿大的工程师和设计师走在最前沿，正在推动高木材设计的极限。2019年CSA 086和2020年NBC将交叉层压木材（CLT）的高度增加到12层。然而，随着建筑物高度的增加，木材是较轻的材料，受到风和地震的横向载荷（本提案的重点）。因此，有机会提出一个创新的建筑系统和设计原则。根据BC省政府的“木材第一倡议”计划，在本提案中，预计将为中高层木结构建筑制定一个全面的设计指南（6-20层）。相信设计指南的出台将增强建筑师、结构工程师、业主和承包商对高大的大规模木材建筑。拟议研究的结果将增加建筑物中的木材数量，这将支持加拿大的林业业务。