New research led by an MIT graduate student at the school’s Concrete Sustainability Hub suggests that the value of buildings constructed to resist wind damage in hurricanes may be significantly underestimated.
The research found that the failure of wind loss models to account for neighborhood texture—the density and configuration of surrounding buildings—may result in a more than 80% undervaluation of structures built with stronger construction methods in Florida. Hazus, a loss estimation tool used by the Federal Emergency Management Agency (FEMA), estimates physical and economic damage to buildings due to wind and the impact of windborne debris.
The tool assumes that all buildings in a neighborhood experience the same wind loading, but buildings come in many different shapes and sizes can be arranged in numerous ways. Their configuration and positioning can amplify or reduce the wind load on buildings within the neighborhood.
In a model developed by MIT researchers, the texture-related loss implications were found to be higher in census tracts along the coast. These areas tend to be more dense and ordered, leading to higher wind load amplifications. Loss implications are particularly high for single-family homes, which are more susceptible to damage and have a higher replacement cost per housing unit.
Related Stories
Codes and Standards | Sep 22, 2021
Cities need to step up flood mitigation efforts to save lives
Recent storms highlight climate change dangers.
Codes and Standards | Sep 21, 2021
Steps to improve ventilation for Covid can combat colds and flu
New look at airborne disease spread shows time viruses linger in air may have been underestimated.
Codes and Standards | Sep 15, 2021
USGBC will change leaders, conduct strategic review
Aims to ensure organization is ‘well positioned to scale its work in the post-pandemic world’.
Codes and Standards | Sep 15, 2021
LEED-certified offices earn higher rents than non-sustainable properties
Are also more resilient to dips in real estate market.
Codes and Standards | Sep 7, 2021
Boston turns to developer fees to fund flood protection infrastructure
Assessments on commercial properties will help build seawall and other protective measures.
Codes and Standards | Sep 3, 2021
Low-cost methods can have substantial impact on reducing embodied carbon
Whole-building design, material substitution, and specification strategies can slash carbon by up to 46%.
Codes and Standards | Sep 2, 2021
Case for power resiliency in buildings grows with more disaster and outages
Essential businesses like data centers, hospitals are first adopters of new storage systems.
Codes and Standards | Aug 31, 2021
UK industry group wants mandatory whole-life carbon assessments of buildings
Aims to address hidden emissions embedded in supply chains.
Codes and Standards | Aug 31, 2021
Home electrification will require code upgrades
Residential electric panel capacity must be increased.
Codes and Standards | Aug 30, 2021
Facebook’s new $800 million Arizona data center to save big on water
Will restore more than 200 million gallons of water per year to river basins.
