Blast Resistant Window Concepts

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Blast-Resistant Window Concepts

Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (742 download)

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Book Synopsis Blast-Resistant Window Concepts by :

Download or read book Blast-Resistant Window Concepts written by and published by . This book was released on 2003 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Terrorist bombs threaten American civilians and military personnel both at home and abroad. Analysis of data from previous terror attacks indicates the largest number of injuries result from projected glass shards from shattered windows and facades. Three key issues have led to increased interest in new window materials as well as changes in building design codes: (1) actual terror attacks, (2) the threat of future terror attacks, and (3) monetary losses due to hurricanes. New protective products include a wide variation of films and laminated glasses for retrofit and replacement. Air Force Research Laboratory (AFRL) research has shown that these protective films will reduce the fragmentation of the enclosed glass. However, protective films that are not anchored will not provide retention of the film/glass system under the severe blast loadings expected from terror bombs. This paper introduces the Flex window, a patent-pending blast-resistant window developed at AFRL, along with key design concepts. In addition, the paper presents results from actual blast tests of the Flex window. Tabular data and photo-documentation is used to illustrate the ability of the Flex window to handle blast pressures a full order of magnitude greater than the typical commercial "blast proof" window. New AFRL methods for modeling both exterior and interior loading functions are presented. In addition, possible response modes are discussed based on observations of high-speed video recordings. (24 figures, 7 refs.).

Developing Design Tools and Standards for Blast-Resistant Windows

Author : Parekh
Publisher : Tredition Gmbh
ISBN 13 : 9783384228284
Total Pages : 0 pages
Book Rating : 4.2/5 (282 download)

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Book Synopsis Developing Design Tools and Standards for Blast-Resistant Windows by : Parekh

Download or read book Developing Design Tools and Standards for Blast-Resistant Windows written by Parekh and published by Tredition Gmbh. This book was released on 2024-05-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blast-resistant windows are no longer a futuristic concept, but a crucial security element. To ensure their effectiveness, Canada is developing design tools and standards. These tools empower architects and engineers with the knowledge to create windows that can withstand the immense pressure and debris of an explosion. Imagine software that simulates blast effects, allowing designers to test and refine window systems virtually. Standardized testing procedures will ensure consistent performance across different window designs. This meticulous approach is vital for critical infrastructure, government buildings, and even high-risk residential areas. By establishing clear design guidelines and rigorous testing methods, Canada is building a national shield. These windows won't just protect lives, they'll minimize structural damage, allowing for a faster recovery after an event. This initiative signifies a commitment to public safety and sets a valuable example for global security standards

State of the Art of Blast Resistant Windows

Author :
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (495 download)

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Book Synopsis State of the Art of Blast Resistant Windows by :

Download or read book State of the Art of Blast Resistant Windows written by and published by . This book was released on 1994 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade a reliable, but possibly conservative, practice has evolved for the design of blast resistant window systems. Herein, the procedure for glazing design is first summarized. This is then comprehensively compared to the results of various prototype tests. Next, the failure criteria for the glass component of the system is critically considered. Finally, the practice for window frame design is examined with a view toward reliable economies. Over the last 10 years, a design methodology has been formulated, developed and tested for the design of blast resistant glazing. Design procedures have been specifically developed for thermally tempered glass, semi-tempered glass, polycarbonate, laminated tempered, laminated semi-tempered, and annealed laminated glass. A procedure for analyzing monolithic annealed (regular plate or float glass) has also been established (none of the authors recommend annealed or wire glass for blast resistant design). This approach has been subjected to peer review and published in the Department of Defense Structures to Resist the Effects of Accidental Explosions, Army TM5-1300, Navy NAVFAC P-397, and Air Force AFR 88- 22, the Naval Physical Security Equipment Manual and the Corps of Engineers Security Engineering Manual Handbook. The approach has also been adopted for design by the United States Department of State and other governmental agencies. The theoretical approach used to develop the design curves, tables, and formulas has also been incorporated into many computer programs. Gerald Meyers developed and wrote TM, PE, PR, EMB, WINDOW, BWORK, BLASTOP, and GLASSTOP. Donald Baldwin has incorporated much of the theory into WINDX, GPLAC, WINLAC, SAFEVUE, MAXLITE, VUELITE and MAXVUE.

Full Scale Testing of Polymer Reinforced Blast Resistant Windows

Author :
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (644 download)

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Book Synopsis Full Scale Testing of Polymer Reinforced Blast Resistant Windows by :

Download or read book Full Scale Testing of Polymer Reinforced Blast Resistant Windows written by and published by . This book was released on 2004 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary of the state of the art in research and design of protective glazing and recent full-scale testing efforts of the Air Force Research Laboratory (AFRL) on blast resistant windows that use advanced materials. Failure mechanisms observed from recent explosive tests are presented, along with analytical models that are being developed to predict the resistance provided by the polymer reinforcement. Challenges include optimizing mechanical properties of reinforcement, design thickness and lay-up of the polymer and glass layers, and designing optimum mechanisms for transferring load to host structure. The needs and direction of future blast resistant window research are discussed.

Science and Technology for Army Homeland Security

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309087015
Total Pages : 184 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Science and Technology for Army Homeland Security by : National Research Council

Download or read book Science and Technology for Army Homeland Security written by National Research Council and published by National Academies Press. This book was released on 2003-05-08 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The confluence of the September 11, 2001 terrorist attack and the U.S. Army's historic role to support civil authorities has resulted in substantial new challenges for the Army. To help meet these challenges, the Assistant Secretary of the Army for Research and Technology requested the National Research Council (NRC) carry out a series of studies on how science and technology could assist the Army prepare for its role in homeland security (HLS). The NRC's Board on Army Science and Technology formed the Committee on Army Science and Technology for Homeland Security to accomplish that assignment. The Committee was asked to review relevant literature and activities, determine areas of emphasis for Army S&T in support of counter terrorism and anti-terrorism, and recommend high-payoff technologies to help the Army fulfill its mission. The Department of Defense Counter-Terrorism Technology Task Force identified four operational areas in reviewing technical proposals for HLS operations: indications and warning; denial and survivability; recovery and consequence management; and attribution and retaliation. The study sponsor asked the Committee to use these four areas as the basis for its assessment of the science and technology (S&T) that will be important for the Army's HLS role. Overall, the Committee found that: There is potential for substantial synergy between S&T work carried out by the Army for its HLS responsibilities and the development of the next generation Army, the Objective Force. The Army National Guard (ARNG) is critical to the success of the Army's HLS efforts.

The Performance Concept

Author : John P. Eberhard
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis The Performance Concept by : John P. Eberhard

Download or read book The Performance Concept written by John P. Eberhard and published by . This book was released on 1969 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fitting of Blast-resistant Window Film

Author : UN. Secretariat
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Fitting of Blast-resistant Window Film by : UN. Secretariat

Download or read book Fitting of Blast-resistant Window Film written by UN. Secretariat and published by . This book was released on 2005 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Problems Involving Thermal-hydraulics, Liquid Sloshing, and Extreme Loads on Structures

Author : Frederick J. Moody
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Problems Involving Thermal-hydraulics, Liquid Sloshing, and Extreme Loads on Structures by : Frederick J. Moody

Download or read book Problems Involving Thermal-hydraulics, Liquid Sloshing, and Extreme Loads on Structures written by Frederick J. Moody and published by . This book was released on 2003 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:

State of the Art of Blast Resistant Windows in 1996

Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (55 download)

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Book Synopsis State of the Art of Blast Resistant Windows in 1996 by :

Download or read book State of the Art of Blast Resistant Windows in 1996 written by and published by . This book was released on 1996 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper is written to serve two purposes. The first is to provide a balanced overview on the many glazing materials available for blast resistant windows. As this particular field, unlike steel or concrete design, has many commercial interests actively involved in the marketplace and proposing design procedures, it can be difficult for the user and designer to gain a clear perspective. The second purpose of this paper is to add to the open engineering literature four blast tests performed on polycarbonate during the fall of 1994.

Design Criteria for Blast Resistant Thermally Tempered Glazing

Author : Gerald E. Meyers
Publisher :
ISBN 13 :
Total Pages : 87 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Design Criteria for Blast Resistant Thermally Tempered Glazing by : Gerald E. Meyers

Download or read book Design Criteria for Blast Resistant Thermally Tempered Glazing written by Gerald E. Meyers and published by . This book was released on 1986* with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical records of explosion effects demonstrate that blast-propelled glass fragments from failed windows are often a major cause of injuries from explosions. Also, failed window glazing often leads to additional injuries as blast pressure can enter interior building spaces and subject personnel to high pressure jetting, incident overpressure, secondary debris impact and thrown body impact. These risks are heightened in modern facilities, which often have large areas of glass. Guidelines are presented for the design, evaluation, and certification of fixed or non-openable windows to survive safely a prescribed blast environment described by a triangular-shaped pressure-time curve. Window designs using monolithic (unlimited) thermally tempered glass based of these guidelines can be expected to provide a probability of failure equivalent to that provided by current safety standards for safely resisting wind loads.

Design Criteria and Preliminary Acceptance Test Specifications for Blast Resistant Windows

Author :
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (228 download)

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Download or read book Design Criteria and Preliminary Acceptance Test Specifications for Blast Resistant Windows written by and published by . This book was released on 1984 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preliminary design criteria for blast resistant windows exposed to blast overpressures up to 25 psi are recommended. Design procedures and design curves for fully tempered glass are presented and parametized according to glass thickness, glass dimensions, glass aspect ratio, peak blast overpressures, and effective blast duration. Curves for annealed glass are also presented for the purpose of analyzing the safety of existing structures. Design criteria for frames and a test certification procedure are also discussed. Additionally, design examples are presented.

Dynamics of Structures

Author : José Manuel Roesset Vinuesa
Publisher :
ISBN 13 :
Total Pages : 926 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Dynamics of Structures by : José Manuel Roesset Vinuesa

Download or read book Dynamics of Structures written by José Manuel Roesset Vinuesa and published by . This book was released on 1987 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sealed, Blast-Resistant Windows for Retrofit Protection Against the Terrorist Threat

Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (742 download)

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Book Synopsis Sealed, Blast-Resistant Windows for Retrofit Protection Against the Terrorist Threat by :

Download or read book Sealed, Blast-Resistant Windows for Retrofit Protection Against the Terrorist Threat written by and published by . This book was released on 2003 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent world events have drawn attention to threats that extend to the civilian population. A protective design approach for retrofit of existing structures has become increasingly palatable, despite the high costs, because of terror threats that were once considered "remote." Windows have always been one of the weakest points in most structures, primarily because of the requirement for transparency. Recent research at the Air Force Research Laboratory (AFRL) has addressed the difficult problem of retrofitting windows against the "combined threat" of a bomb blast followed by a chem-bio attack. In the recent Gulf War, several specific threats were highlighted for both US military forces and Israeli civilians. The most obvious threat to civilians in that conflict was explosive, as about forty SCUD missiles were launched into civilian areas of Israel. Less obvious, but even more potentially dangerous, was the threat of chem-bio weapons of mass destruction. Recognizing the weakness of entry points to chem-bio contamination, many Israeli civilians used plastic sheeting on the interior side of their windows during periods of increased threat. Recent research at AFRL has shown that, although cost-effective, this approach is woefully inadequate at the blast-pressures which would be expected in a terror attack, as clearly demonstrated by a sequence of still frames taken from blast test videotapes. The paper briefly discusses early pioneering work at AFRL that dealt with the use of clear polymer membranes (i.e., plastic sheets) to combat the combined threat, but the body of the paper focuses on recent developments in the evolution of "membrane" windows. The AFRL windows will resist blast high blast pressures, and will remain sealed against subsequent chem-bio attack, due to a patent-pending design which includes sever.

Design Procedure for Blast-Resistant Laminated Glass

Author : HS. Norville
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Design Procedure for Blast-Resistant Laminated Glass by : HS. Norville

Download or read book Design Procedure for Blast-Resistant Laminated Glass written by HS. Norville and published by . This book was released on 2002 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: When an explosive threat exists, building owners should strongly consider using blast-resistant glazing in windows and curtain walls. Architects and engineers have few, if any, publicly available tools, procedures, or formal guidelines to aid in designing blast-resistant glazing. This paper presents a design procedure for blast-resistant laminated glass. The procedure finds its basis in an empirical relationship between air blast pressure, positive phase impulse, and 60-second equivalent design loading for laminated glass and window glass constructions fabricated with laminated glass. The procedure is relatively simple to use. The paper also addresses framing considerations for the blast-resistant glazing. It gives a design example and shows comparisons with experimental results.

Preliminary Design Criteria and Certification Test Specifications for Blast Resistant Windows

Author : Gerald E. Meyers
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (178 download)

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Book Synopsis Preliminary Design Criteria and Certification Test Specifications for Blast Resistant Windows by : Gerald E. Meyers

Download or read book Preliminary Design Criteria and Certification Test Specifications for Blast Resistant Windows written by Gerald E. Meyers and published by . This book was released on 1983 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook for Blast Resistant Design of Buildings

Author : Donald O. Dusenberry
Publisher : John Wiley & Sons
ISBN 13 : 0470170549
Total Pages : 513 pages
Book Rating : 4.4/5 (71 download)

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Book Synopsis Handbook for Blast Resistant Design of Buildings by : Donald O. Dusenberry

Download or read book Handbook for Blast Resistant Design of Buildings written by Donald O. Dusenberry and published by John Wiley & Sons. This book was released on 2010-01-26 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique single reference supports functional and cost-efficient designs of blast resistant buildings Now there's a single reference to which architects, designers, and engineers can turn for guidance on all the key elements of the design of blast resistant buildings that satisfy the new ASCE Standard for Blast Protection of Buildings as well as other ASCE, ACI, and AISC codes. The Handbook for Blast Resistant Design of Buildings features contributions from some of the most knowledgeable and experienced consultants and researchers in blast resistant design. This handbook is organized into four parts: Part 1, Design Considerations, sets forth basic principles, examining general considerations in the design process; risk analysis and reduction; criteria for acceptable performance; materials performance under the extraordinary blast environment; and performance verification for technologies and solution methodologies. Part 2, Blast Phenomena and Loading, describes the explosion environment, loading functions needed for blast response analysis, and fragmentation and associated methods for effects analysis. Part 3, System Analysis and Design, explains the analysis and design considerations for structural, building envelope, component space, site perimeter, and building system designs. Part 4, Blast Resistant Detailing, addresses the use of concrete, steel, and masonry in new designs as well as retrofitting existing structures. As the demand for blast resistant buildings continues to grow, readers can turn to the Handbook for Blast Resistant Design of Buildings, a unique single source of information, to support competent, functional, and cost-efficient designs.

Nanotechnology for Defence Applications

Author : Narendra Kumar
Publisher : Springer Nature
ISBN 13 : 3030298809
Total Pages : 341 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Nanotechnology for Defence Applications by : Narendra Kumar

Download or read book Nanotechnology for Defence Applications written by Narendra Kumar and published by Springer Nature. This book was released on 2019-11-01 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the application of nanoscience and nanotechnology in military defence strategies. Both historical and current perspectives on military technologies are discussed. The book provides comprehensive details on current trends in the application of nanotechnology to ground, air, and naval specializations. Furthermore, nanotechnology-enabled high energy explosives and propellants, chemical, biological, radiation, and nuclear threats and their detection/protection, and camouflage and stealth for signature management of military targets in multispectral wavelength signals are analyzed. The book also covers nanotechnology-enabled armor and platforms, which may serve as lightweight and high mechanical strength options in contrast to conventional systems. Finally, the book also emphasizes future military applications of nanotechnology and its integration into ‘smart’ materials. Provides comprehensive details on trends in the application of nanotechnology to ground, air, and naval defence systems; Examines the application of nanoscience and nanotechnology in military defence strategies; Offers pathways and research avenues for development of nanotechnology and materials applications in military capacities.