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 | Jun 17, 2016
Bay State moves toward single BIM protocol on state projects
Massport’s guidelines a step forward for integrated BIM initiative.
Multifamily Housing | Jun 14, 2016
San Francisco voters approve tougher affordability requirement on new housing development
Critics charge that the measure may backfire and actually reduce new affordable units.
Concrete | Jun 13, 2016
American Concrete Institute releases new Guide to Shotcrete
Includes information on application procedures, testing.
Healthcare Facilities | Jun 10, 2016
Top 10 health technology hazards include some influenced by space design
ECRI Institute’s annual list includes operational and workflow issues.
Codes and Standards | Jun 9, 2016
Supreme Court ruling could aid developers on properties containing wetlands
Unanimous decision allows landowners to take regulatory decisions straight to court.
Green | Jun 8, 2016
TD Bank Group's renovated Toronto office is first WELL-Certified project under WELL v1
The newly renovated 25,000-sf space achieved gold-level status.
Concrete | Jun 7, 2016
Concrete Institute publishes document providing concrete curing guidance
New curing monitoring techniques included.
Energy | Jun 7, 2016
Energy modeling payback typically as short as one to two months
Energy modeling is a ‘no-brainer—like checking MPG on a car’
Green | Jun 2, 2016
USGBC offers new LEED pilot credit: Building Material Human Hazard and Exposure Assessment
For assessing human health-related exposure scenarios for construction products.
Resiliency | Jun 1, 2016
Federal agencies boost standards for more resilient construction
HUD, FEMA, GSA, Army Corps of Engineers make policy changes.
