Blast resistant materials pdf

Ul752 ballistic standards, blast resistant products. Blast resistant design of an embassy building scientific. Blast and penetration resistant materials february 2001 of other materials with armor plate to form the first laminate armors. Our engineering model provides data for structural engineers and predictions of performance. The design basis blast load for a building at an industrial facility can have a magnitude of 2 psi 288 psf or greater. Critical overview of blast resistance of different concrete types. Our curtain is composed with a patent pending material that is also water resistant. Blast resistance of polyurea based layered composite materials. Modern fire resistant design methodologies for concrete and steel structures are. Measuring to our high standard of quality, the blast bullet resistant curtain is a less expensive alternative to blast bullet resistant glass retrofit or new construction. Security glazing specification 1 general this glazing specification outlines the general considerations for glazing as used in security glazing applications ballistic, bomb blast and burglary resistance. Blast resistance is a blocks ability to withstand an explosive blast. The blocks and items the list above are virtually impossible to blow up, with the exception of obsidian and below which can be.

The amount of resistance depends on the block, and how big the explosion is. In addition, we have invested significantly in designing our complete line of systems and testing them to meet the specific threat levels and. Past attacks against buildings and civil infrastructure highlight the need for blastresistant. Window glass type and construction as indicated above, the authors feel that laminated glass and insulating glass fabricated with laminated glass comprise the most effective and economical blast resistant glazing materials. Explore blast resistant building with free download of seminar report and ppt in pdf and doc format. Technical information the technical information, recommendations and other statements contained in this document are. Less work has been done on tailoring material architectures for armor to be used as external protection of delicate structures, such as the brain in a skull. Blast resistant glass and blast curtains hold broken shards in place to protect people inside a bombed building as well as people outside the building, who can be struck with debris when the blast wind hits. The paper presents a generic design study for a 2500 square meter, 4storey embassy building. This article is devoted to blast resistant design, though there is overlap with progressive collapse resistant design. High energy absorbing materials for blast resistant design.

The blast from an explosion does not discriminate and will expand radially from its point of origin until it encounters a solid structure, such as. While only one part of the entire spectrum of structural protection technolo. Shelf life to obtain best performance, use this product within 18 months from date of manufacture. Bulletproofing products meet andor exceed ul 752 ballistic standards, gsa blast, and dod forced protectionantiterrorism criteria. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation. Best practice guidelines for structural fire resistance. Underground blast resistant fallout shelter revision. Brt structures blast resistant structures edmonton, ab. Handbook of blast resistant design of buildings edited by donald o. Pdf blast resistant materials book presents the basic knowledge and technologies used in the engineering of explosive and development of. Blast proof vs blast resistant rigid global buildings. Request pdf blastresistant design of structures the strategy for dealing with the blast induced threats against a structure requires attention from planning and design stages, as introducing. Different types of explosive materials are classified as high.

In general, blast protection material must be ductile enough to yield under highstrain loads, but strong enough to retain blast impulses and mitigate any secondary fragmentation. Calculation of blast loads for application to structural. Materials for blast and penetration resistance p2 infohouse. Any material expands when heat ed, and contracts when cooled. Blast resistant building design with finite element analysis. Various types of finite element tools and software are available for blast resisting design of structures. In this study, layered and sandwich composite materials, comprising of polyurea pu and eglass vinyl ester eve composite are experimentally evaluated for e. The tough plastic interlayer holds the glass together after an impact, and with the proper. Introduction structural steel reinforced concrete strength.

Purposes and levels of protection of blast resistant. A comparison of existing standards for testing blast. Commercial grade window cw and architectural grade window aw ultra thermal performance. Navy and air force technical manual, tm50, for all other specimens. Blast resistant materials, notably plastics made of polyurea, are of great interest to organizations subject to explosive threats. It requires sufficiently thin yet strong retrofitted materials in order to reinforce a buildings walls 46. Simplified design procedure for blast resistant glazing. Design of armor for protection against blast and impact. Retrofitting existing buildings to resist explosive. In order to specify the appropriate security glazing solution, it is. Retrofit for blast resistant rc slabs with composite materials by b. Resistant design of steel buildings part 1 march 17, 2016 this lecture will provide architects and engineers with an introduction to blast.

Also explore the seminar topics paper on blast resistant building with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015. Ufgs 08 56 53 blast resistant tempered glass windows. Nevertheless, this standard also contains necessary information for evaluating various parameters of a blast wave generated by any other size of explosion at a given distance and the design of a structure for the same. This research program was initiated to examine the feasibility of assessing the blast resistant capacity of reinforced concrete rc slabs using the displacement based design dbd method. The curtain can be provided for two different protection levels. Design of blastresistant buildings in petrochemical facilities. Blast curtains are made from a variety of materials, including a warp knit fabric or a polyethylene fiber. Application of high energy absorbing materials for blast. Blast resistant design is a specialized area to which structural engineers are not exposed meticulously as this design is comprehensively used only for military setups. Therefore, using a static design approach is not appropriate for a blast resistant building if an accurate and economical material design is desired. The material in this manual is ed and may not be reproduced either in drawing format or in actual parts without the expressed permission of american safe room. It consists of lightweight blast panels fitted internally and integrated with blast windows. The experimental andor numerical evidence of these materials under blast demonstrates the effective utilization of blast energy dissipation mechanisms within each blast resistant material, i.

We offer the most comprehensive collection of blastresistant curtain wall and window wall, architectural windows, storefronts, entrances, skylights and architectural glass. The different levels of protection for blast resistant design of buildings are divided in two 4 categories which are discussed. Furnaces and refractories fusion dust and slag or by the action of alkalies on fireclay refractories, to form alkalialumina silicates. I am submitting herewith a thesis written by sarah beth janney entitled blast resistant design of steel structures. Blastproof masonry wall system and construction methods, material and. Reinforced concrete is a common building material used for blast resistant design. Ufgs08 56 53 april 2006 unified facilities guide specifications references are in agreement with umrl dated january 2020 section table of contents division 08 openings section 08 56 53 blast resistant tempered glass windows 0811 part 1 general 1. The contents of this manual supplement the information pro vided in fema. Blast resistant designs often conservatively assume elastic response in order to simplify design, minimize permanent plastic deformations, and reduce post blast repairs, especially where functional continuity of the. It enhances toughness, ductility, strength and dynamic characteristics of individual structural elements for resistance to air blast induced loading. What architects need to know to meet federal blastresistance requirements. Ballistic and forcedentry protection can also be specified and achieved in a blast resistant product. I have examined the final electronic copy of this thesis for form and content and recommend that it be accepted in partial fulfillment of the requirements for the degree of master of science, with a major in civil engineering.

This armor protects against the standard test rounds as defined in section 5. The loss of material also weakens the structural component which may affect the integrity of the building. The bombproof miracle materials that will make the future safer. The ductility ratio, in a sdof system is defined as the ratio of maximum deflection, to equivalent elastic deflection, this can be determined from elastoplastic response graphs.

Featured products office space, lunch rooms, lavatories and tool cribs built to 8 psi blasts mean your job site will have all required amenities safely nearby. Composite materials have been used in applications involving blast and ballistic impacts, and are considered effective materials in absorbing the energy of blast. It is designed to resist blast loads from an assumed design basis threat dbt that is provided by the owner. Security glazing specification 1 general 2 materials. Different purposes of blast resistant design of building are to limit structural collapse, maintain building envelope and minimizing flying debris. Building design guidance 3 building design guidance 31 this chapter addresses explosive blast and cbr concerns from terrorist attacks, highlighting mitigation measures that may be applied to building elements, including architectural, structural, and building envelope systems. The term ductility refers to the ability of the material to absorb energy inelastically without failurethe greater the ductility, the greater the resistance to failure. The maximum displacement is a function of the ratio of applied load to yield load and duration of loading to natural period.

Additional mass is not necessarily a good method for. Reduction factors for steel and reinforced concrete. This provides the focus of the current work, in which the mechanics for the mitigation of. Ballistic resistant protective materials covered by this standard are classified into five types, by level of performance. Unique single reference supports functional and costefficient designs of blast resistant buildings. After wwii, high performance ceramics found their way into penetration resistance applications. Now theres 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. If blast resistant concrete needs steel to hold it together, youd be forgiven for thinking. Be sure to specify pressure and impulse when ordering a blast resistant product. Blast resistant windows, blast resistant doors blast protection must be considered in design when a facility is a potential target or when a building is located in the vicinity of a potential target.

Tecdur blastwall provides reinforcement against significant vehicleborne sized devices at close distance and for a range of other blast threat scenarios. Blast mitigation aw only, hurricane resistance aw only add to my product list. Retrofit for blastresistant rc slabs with composite materials. The bombproof miracle materials that will make the future. Application of polyurea to composites, as a shock mitigation material is a relatively new idea. Design of blastresistant buildings in petrochemical. The building structure consists of reinforced concrete columns, beams and slabs supported on pile foundations. Bomb blankets deflect the force of a blast and prevent fragments of the bomb from striking bystanders. Blast resistant building seminar report, ppt, pdf for. The objective of this study is to shed light on blast resistant building design. Current technology in penetration resistance employs many different types of materials. The exterior walls are concrete block with stone veneer.