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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Development of Design Criteria for Reinforcing Steel Splices in Blast Resistant Concrete Structures
Author(s): William H. Zehrt Jr. and Paul M. LaHoud
Publication: Special Publication
Appears on pages(s): 131-140
Keywords: blast resistant construction; dynamic loads; explosions; mechanical properties;
I reinforced concrete; shock resistance; splicing
Abstract:Department of Defense (DOD) facilities which may be subjected to blast effects from accidental explosions are required to satisfy the safety requirements delineated in DOD 6055.9-STD, "DOD Ammunition and Explosives Safety Standards."(l) In the safety standard, Army Technical Manual 5-1300, "Structures to Resist the Effects of Accidental Explosions, "(2) is referenced for specific criteria to be used in the analysis, design, and construction of blast resistant structures. Design procedures for concrete elements are provided in chapter 4 of the manual. According to chapter 4 of TM 5-1300, mechanical splices must be capable of developing the ultimate dynamic strength of the reinforcement without reducing its ductility before they can be used in blast resistant concrete elements. Unfortunately, no mechanical splicing system is currently available which can fully satisfy these requirements. Numerous splicing systems can develop the ultimate dynamic strength of the reinforcement but none can do so without some reduction in ductility. An effort is currently underway to more accurately define the performance of mechanical splices under rapid dynamic loading. It is hoped that the results of this research will permit the use of mechanical splices in blast resistant concrete structures. Preliminary investigations have indicated that some splicing systems may be safely used in low ductility regions. In this paper, available data from dynamic tests i of mechanical splicing systems will first be reviewed. The current research effort will then be outlined, and I
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