Fire resistance of concrete structures containing advanced materials

北美的基础设施正在崩溃。媒体对戏剧性火灾、结构不安全的建筑物和倒塌的桥梁的报道越来越频繁。许多混凝土结构迫切需要维修或修复，但当前的经济危机要求我们开发创新材料和具有成本效益的维修技术。不幸的是，有足够的和不充分的信息，这些修复结构在火灾中的性能，特别是当新材料用于修复。对于建筑物或停车场来说，耐火性是保护公共安全的重要因素，例如世界贸易中心灾难以及西班牙和荷兰因火灾导致的戏剧性建筑物倒塌等悲剧事件就是明证。因此，拟议的研究的总体目标是获得火灾中恢复混凝土结构的行为的理解。该研究的最终目标是评估火灾如何影响整个建筑物，而不是单个部分的行为。

North American infrastructure is crumbling. Media reports of dramatic fires, structurally unsafe buildings and failed bridges are becoming more frequent. Many concrete structures are in urgent need of repair or rehabilitation, yet the current economic crisis demands that we develop innovative materials and cost-effective techniques for repair. Unfortunately, there is insufficient and inadequate information regarding the performance of these repaired structures in fire; especially when new materials are used for repair. For buildings or parking garages, fire resistance is a vital concern to protect public safety as evidenced by tragic events such as the World Trade Center disaster, and dramatic building collapses due to fire in Spain and the Netherlands. Thus, the overall aim of the proposed research is to obtain an understanding of the behaviour of rehabilitated concrete structures in fire. The research will ultimately aim to evaluate how fire impacts buildings as a whole, rather than the behaviour of individual parts.