Blast resistant design toolsincreasing project complexity. The course is well suited for practicing senior structural engineers who would like to develop their skills in the analysis and design of structures subjected. Aci 370r14 report for the design of concrete structures for blast effects author. Analysis and design of blast resistant structure scientific. Pdf analysis of blast resistant rcc structure researchgate. Bakerrisks structural engineers have over three decades of combined experience in blast. The consequences of a blast is dependent on parameters such as range, weapon yield which is itself dependent on the amount of explosive materials based on the pound unit of tnt, and height of burst. A study of 17 british buildings hit by german bombs during world war ii examined eight steelframed buildings, five reinforced concrete buildings and four wallbearing buildings. The design of concrete structures for blast resistance. Blastresistant design of steel buildings part 2 youtube. The analysis and design of structures subjected to blast loads require a. The main steps to be followed during blast resistant design of structures are. In the past few years, the increase in the number of terrorist attacks has shown that the effect blast loads on buildings is a.
Arches and domes are the types of structural forms that reduce the blast effects on the building compared with a cubicle form. Itss like the crumple zone of a car, you want the car to absorb the energy not the occupants. Blast resistant design of steel buildings part 1 duration. Aug 10, 2017 blast resistant design of steel buildings part 1. It is supplementary to navfac p397 and is intended to consolidate and simplify various sources of design criteria which cover the structural elements encountered in blast resistant design.
Blastresistant design of steel buildings part 2 aisc education. Materials covered will serve as an excellent introduction to blast resistant structural design similar to that required by ufc 401001 if required standoff distances cannot be provided. In order to provide adequate protection to its occupants and important assets, buildings and structures must be properly analyzed, designed, and constructed to resist blast loads. This assures you that our buildings meet or exceed in the protection of your most valuable assets. When an architect designs a building, do they only draw up the layout design, or are. 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. Jul 18, 2017 finite element analysis is the best method for evaluating blast resistant buildings.
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. Blast resistance and progressive collapse progressive collapse resistant design mitigates disproportionately large failures following the loss of one or more structural elements. Protective structures automated design system the protective structures automated design system psads was developed to automate the procedures in ufc 334001, dahs cwe manual. Blastresistant design of steel buildings part 1 duration. Blast resistant preengineered metal buildings are a good option as they can be more efficient and economic than other blast resistant structures. It describes the state of the practice for the guidance of structural engineers charged with the design of. Various types of finite element tools and software are available for blast resisting design of structures. This design manual contains information that provides design guidance for structures of various types to resist blast loadings. Only fea can predict the localized strains, stresses and structural accelerations in complex situations. This ebook blast resistance building design presents an example for concrete control room design calculation by using excel sheets.
Aug 10, 2017 blast resistant design of steel buildings part 2 aisc education. Loads applied in the conventional nonblast design of structures including dead, live, wind, and seismic loads as required by local building codes. Blastresistant design and detailing of steel components, connections, and structures will be discussed using design examples based on real projects. This deformation dissipates the energy of the blast. Bombings of this nature are most likely to occur with structures in locations such as city centers, where a protected perimeter is not possible.
Design of blastresistant buildings in petrochemical facilities ref. Throughout the world people are working in outdated structures at industrial facilities that are at risk of collapse in the event of an accidental explosion or malevolent attack. To complement industry available software packages, our engineers have developed. Blast resistance and progressive collapse progressive collapseresistant design mitigates disproportionately large failures following the loss of one or more structural elements. It enhances toughness, ductility, strength and dynamic characteristics of individual structural elements for resistance to airblast induced loading. Structural solutions for blast resistant buildings. Quickly generate sdof time histories and pi diagrams for user defined blast threats. The primary objectives are to establish design procedures and construction techniques whereby propagation of explosion from one structure or part of a structure to another or mass detonation can be prevented and to provide protection for personnel and valuable equipment.
In addition to blast mitigation, you will benefit from baws expertise in the design of control buildings in regions of high seismicity, environments of extreme hot and cold, snow environments, antiterrorism considerations, video surveillance and highlevel electronic security, addressed at the architectural and design levels. The strategy for dealing with the blastinduced threats against a structure requires attention from planning and design stages, as introducing or altering various blast response mitigation strategies becomes either difficult or impossible later on. 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. In the past few years, the increase in the number of terrorist attacks has shown that the effect of blast loads on buildings is a serious matter that should be taken into design consideration. Through this experience, we can utilize a wide range of analysis and design tools to specifically address your needs and provide a solution that works for you. It discusses blastresistant design of structural and facade components, as well as retrofit methods, available software, and analytical tools. Aci 370r14 report for the design of concrete structures for. The protective structures automated design system psads was developed to automate the procedures in ufc 334001, dahs cwe manual. The workers in these facilities are also at risk for. Designing buildings to resist explosive threats wbdg. The world leader in blast resistant design, baker risk, has worked closely with our engineers to exceed the industry standards for blast resistant structures. If you continue browsing the site, you agree to the use of cookies on this website.
The software is intended for the design of 2way reinforced concrete slabs subject to a dynamic blast load, and allows for easy determinations of the dynamic properties of the slab, and the response deflection and reactions of the actual element, and compares it. Instead, blast resistant structures are designed using ductility. Mar 29, 2019 really there is no specifc software avilable to do that. Design of blast resistant structures slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Design of blastresistant buildings in petrochemical facilities, american society of civil engineers task committee on blastresistant design, 2010. Handbook for blast resistant design of buildings structural. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. A ductile structure yields and deforms before failing. Design of blast resistance structures linkedin slideshare.
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. Oct 31, 2017 the design of structures to resist the effect of blast is very much different from the conventional structural design. The material presented has been collected from various sources and. Typical analysis methods, software tools, design criteria, and performance. Part 4, blast resistant detailing, addresses the use of concrete, steel, and masonry in new designs as well as retrofitting existing structures. Singledegree of freedom blast effects design spreadsheets. Blast resistant glazing design 2007 finds its basis in the astm f 2248 design standard. May 02, 2014 blast response mitigation strategies can be incorporated in the structural design at concept stage, leading to a welldesigned and constructed structure that can exhibit improved blast resistance and at the same time maintain its architecturally appealing appearance. Design of blast resistant buildings in petrochemical facilities, american society of civil engineers task committee on blast resistant design, 2010. Conwep is a collection of conventional weapons effects calculations from the equations and curves of tm 58551, design and analysis of hardened structures to conventional weapons effects. In the current technical guide, an overview of a design procedure for structures under blast loading is provided. Calculation of blast loads for application to structural. Pre cast flooring is to be avoided in case of blast resistant structures 10. Progressive collapse resistant design is systemfocused, and is often divided into two approaches, direct and indirect.
Blast loads are extreme, instaneous, unpredictive impulses acting. These manmade disasters have created a challenge to structural engineers world over about the deficiency in the design process. The results allow users to visualize in 3d how the building or different structural components inside the building will behave under the prescribed conditions. One crucial difference in the design of blastresistant structures is the impact loads on the structures. Chapter 11design of blastresistant ancillary openings, p. May 06, 2020 the demand for blast resistant structures, driven by facilities life safety requirements, has forced plant managers to seek out more timely and cost efficient forms of construction. Because of the uniqueness of each buildings mission, functional requirements, and physical security design objectives, there are limited codes and standards that apply to blast mitigation design. This report addresses the design of structures to resist blast effects due to explosions. Really there is no specifc software avilable to do that. The physics of explosions and blast loads will be introduced along with their interaction with buildings and structures. Blast resistant building design is the enhancement of building security against the. The engineer of record can then proceed with the structural design based on the blast pressures given by the blast consultant. This ebook blast resistance building design presents an example for concrete control room design calculation by.
S2 1pg scholar,structural engineering, sbce 2assistant professor, department of civil engineering, sbce abstract. I am submitting herewith a thesis written by sarah beth janney entitled blast resistant design of steel structures. Asce 5911 blast protection of buildings blastresistant. The software enables the user to size rectangular laminated glass and insulating glass constructed with at least one laminated glass lite to resist userspecified explosive threats. This lecture will provide architects and engineers with an introduction to blast resistant design of steel buildings. Blastresistant design considerations what architects need to know to meet federal blastresistance requirements clay naito, ph. Wind loads on structures 2019 wls2019 performs all the wind load computations in asce 705, section 6 and asce 710, or 16, ch. Blast resistant structural design what is the historical experience with steelframed structures subjected to blast. Blast resistant design of primary structural frame and foundations.
This webinar familiarizes engineers and architects with the methods for analysis, design, and construction of blastresistant buildings in asce 5911. This article is devoted to blastresistant design, though there is overlap with pro gressive collapseresistant design. Blastresistant design of structures practice periodical on. Software for every scenario blast resistant glazing design 2007 enables the user to size rectangular laminated glass and insulating glass constructed with at least one laminated glass lite to resist userspecified explosive threats. These closein blast detonations are referred to as nearfield events. Army corps of engineers protective design center offers this course to acquaint practicing engineers with wellestablished procedures used to design structures to resist the effects of detonation of terrorist high explosive devices. Some of the most frequently used design guides and criteria include.
Blast resistant building design with finite element analysis. Request pdf blast resistant analysis and design techniques for. The maximum displacement is a function of the ratio of applied load to yield load and duration of loading to natural period. Planning of process architectural structural layouts. The design of structures to resist the effect of blast is very much different from the conventional structural design. Design and analysis of hpfrcc blast resistant structures geethu elsa thomas1, sithara. Blast resistant structural design american institute. Materials covered will serve as an excellent introduction to blast resistant structural.
Reliable blast resistance design requires a comprehensive knowledge of blast loading characteristics, dynamic material properties and dynamic response predictions of structures. Thusly those results from claiming impact loads for structures need aid a. Aug 03, 20 structural solutions for blast resistant buildings. Feb 16, 2010 design of blast resistant structures slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Aci 370r14 report for the design of concrete structures. Blast resistant design tools bakerrisks structural engineers have over three decades of combined experience in the analysis and design of buildings subjected to blast loads. Review of the current practices in blastresistant analysis. Use of sbeds for blast resistant design in accordance with. Blastresistant design of steel buildings part 1 youtube.
Blastresistant design of structures practice periodical. Tsep will cover items including but not limited to performancebased design, fasteners and connections, posttensioned structures, smart structures, tsunami modeling, software solutions, seismic design, blast resistant design, wood, business issues, professional development for structural engineers, how to specify things effectively, and many. Blast design reinforced concrete elements will be completely destroyed. Loads applied in the conventional non blast design of structures including dead, live, wind, and seismic loads as required by local building codes. Due to the abundance of information and research in this field, our primary focus was on building behavior and the key elements that contribute to the design. In this weeks blog we cover the design of blastresistant buildings using. Ufc 334002 structures to resist the effects of accidental. Progressive collapseresistant design is systemfocused, and. Blast resistant structures civil engineering community. For starters, blast resistant buildings isnt your average offtheshelf thing. Blast resistant building design is the enhancement of building security against the effects of explosives in both architectural. They must be prevented from falling off their supports.
The demand for blast resistant structures, driven by facilities life safety requirements, has forced plant managers to seek out more timely and cost efficient forms of construction. It automates key equations and implements the capability to digitally read graphs. Conwep performs a variety of conventional weapons effects calculations including an assortment of airblast routines, fragment and projectile penetrations. Pdf a bomb explosion within or immediately nearby a building can cause catastrophic. Contents preface xv contributors xix i designconsiderations 1 1 generalconsiderationsforblastresistantdesign 3 donald0. Window glass design 5 wgd5 performs all required calculations to design window glass according to astm e 009. Design and analysis of hpfrcc blast resistant structures. Where can i have a model design of a blast resistant building. Dynamic structural engineering design and analysis of buildings for blast load.
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