Abstract

The capabilities of the IBHS Research Center full-scale test chamber are described in detail. This research facility allows complete full-scale structures to be tested. Testing at full-scale allows vulnerabilities of structures to be evaluated with fewer assumptions than was previously possible. Testing buildings under realistic elevated wind speeds has the potential to isolate important factors that influence the performance of components, potentially allowing for modifications to standard testing procedures that are commonly used to evaluate product performance. IBHS’s wind-related research is discussed, along with research examining natural perils that are highly affected by wind flows around a structure, such as wind-driven rain during high-wind events and firebrand exposures during wildfires. In addition, IBHS’ hail testing capabilities are described in detail.

Highlights

  • In 2010, the Insurance Institute for Business & Home Safety (IBHS) opened its Research Center in Richburg, South Carolina

  • The IBHS test chamber consists of an array of fans which are capable of creating a realistic simulation of the lowest portion of the atmospheric boundary layer (ABL)

  • The knowledge gained from field studies is used to improve testing using IBHS’ unique laboratory capabilities, which allows for investigations of realistic building damages caused by hail (Brown and Giammanco, 2013)

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Summary

INTRODUCTION

The purpose of the facility was to conduct realistic, objective, state-ofthe-art research to reduce losses to infrastructure resulting from exposures to wind-related natural perils. Rather than conducting research on all potential perils that threaten the built environment, IBHS focused on filling research gaps where there was a lack of realistic scientific research and, where the new facility could have the largest impact. Based on this objective, the IBHS Research Center was designed to focus on four perils: high wind, hail, wind-driven rain, and wildfire. The following sections will describe the facility capabilities and core research being conducted in each of the four addressed perils

High Wind
LARGE TEST CHAMBER FACILITY OVERVIEW
HIGH WIND RESEARCH CAPABILITIES
Boundary Layer Flow Characteristics
Pressures measured in the IBHS test chamber were normalized using
HAIL RESEARCH CAPABILITIES
Field Research Program
Accumulation of Firebrands
Firebrand Characteristics
CONCLUSION
Findings
AUTHOR CONTRIBUTIONS

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