Journal
JOURNAL OF STRUCTURAL ENGINEERING-ASCE
Volume 131, Issue 8, Pages 1186-1193Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)0733-9445(2005)131:8(1186)
Keywords
blast loads; concrete masonry; walls; concrete blocks
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Exterior wall panels of structures are often constructed of concrete masonry units (CMUs), commonly known as concrete blocks. These walls may become a debris hazard to building occupants when high explosives, for example, a terrorist vehicle bomb, are detonated outside of a building. A recently completed series of physical experiments is being used to develop methods for predicting the hazard levels associated with CMU walls. Retrofitting techniques have been developed to mitigate these hazards. The experiments included nonretrofitted CMU walls as well as several different types of retrofits. Test data, high-speed video, and posttest inspection of the experiments were used to assess the parameters that affect the response of CMU walls and retrofit systems. The objective of the research presented in this paper is to collect data on the blast response of CMU walls so that improvements can be made to the previously developed Wall Analysis Code (WAC).
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