About this Research Topic
Wind storms such as Hurricanes Katrina in 2005 and Harvey in 2017, as well as tornadoes such as the ones seen in Joplin, Missouri, have shown that wind damage is still a prevalent issue - particularly for light-framed residential houses, even ones built under more recent building codes. Due to their lightweight nature, these residential structures are particularly susceptible to uplift force, so it is important we understand where these building tend to fail, and what we can do to help reduce future failures.
A well-designed structure is both strong enough to resist the loads applied to it, as well as efficiently designed, to reduce cost and resources. To accomplish this, we need to understand how the loads flow through the structure so that we can strengthen the correct elements. Various aspects of the building’s overall geometry, as well as the stiffness of individual elements affect the response of building to different types of loading. For wind loads, we must look at how these aspects of the house’s geometry affect the uplift, so we can know which hold downs on the house must be strengthened. Understanding the dynamic non-linear wind load to building envelope is also greatly important, especially the interaction between fluid and structures. Under the failure of building envelope due to wind load/debris impacts, the wind load on building varies due to the change of internal pressure, which may cause progressive failure of structures. Analyzing the behavior of a structure can be done either using physical or computer modeling methods. To develop good computer modeling methods it is important to begin by comparing a computer model to a full scale physical test to validate the method.
Examples of some of the topics which could be explored in this Research Topic include, but are not limited to, the following:
1. A wood-frame whole-house testing for wind effects (and various components testing also).
2. Mathematical modeling of a wood-frame whole house for wind effects, and finite element analysis/modeling of the various components of a wood–frame house.
3. The testing of a whole house or its components under simulated hurricanes or tornadoes.
4. The modeling and analysis of a whole house or their components under hurricanes and tornadoes.
5. Resiliency of a wood-frame whole house during extreme wind load events.
Keywords: Load Paths, Modeling, Wood Frame House, Wind Analysis, Forces
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