You can create and edit drill patterns using templates and standard patterns, view and manipulate drill patterns and pit shells in three dimensions. It can be used to quickly generate sdof time histories and pi diagrams for user defined blast threats. Pdf limitations of simplified analysis procedures used. Gavin fall, 2018 this document describes free and forced dynamic responses of simple oscillators somtimes called single degree of freedom sdof systems. Shape function limitations within equivalent singledegreeof. Dcms includes robust singledegreeoffreedom sdof and twodegreeoffreedom. The software is intended for the design of beams and slabs subject to a dynamic blast load, and allows for easy determinations of the response deflection and reactions of the actual element, and compares it to the response criteria as established by the client. Design charts for the maximum responses in the sdof system with elasticperfectly plastic materials are available in many textbooks and manuals such as ufc 3. Sbeds is an excelbased tool for design of structural components subjected to dynamic. The new program, according to the company, provides extensive blast initiation design capabilities in several language formats and supports oricas pyrotechnic and electronic blasting systems. This paper summarizes the key features and processes of sbeds. Sdof systems idealized elastic, perfectly plastic resistance.
Sbeds depends on sdof analysis with overestimate the design by 2530%. Blast design software blasting pattern software for mining. Protective structures subjected to blast loads are often evaluated using the equivalent singledegreeoffreedom sdof analysis. Blades for blast design by mineexcellence, provides accurate measurement which is imperative for a successful blast design. Window fragment hazard level analysis a robust model for calculating window response and personnel hazard. Use of sbeds for blast resistant design in accordance with ufc 3. Apr 02, 2018 standard 10 of ufc 401001 provides two design approaches to size the supporting structural elements of exterior window openings subjected to blast loads. The use of the sdof approach for analysis and design of blast. Blast design for deliberate explosive attacks or for accidental explosions at industrial facilities is accomplished through techniques such as single and multipledegreeoffreedom sdof mdof analyses and finite element tools. The foundation of sbeds is an sdof numerical integration scheme capable of analyzing a resistance function with five linear segments for initial response and five linear segments for rebound.
Singledegreeoffreedom blast effects design spreadsheets implements data from cmuds. There is variable familiarity with blast design requirements from trade to trade. Blast design software opitblast ask us for a free trial. In this way, these formulas can be directly coupled to the peak displacement response of a preceding dynamic sdof blast analysis to readily design any required reinforcement around a circular opening.
An information series from the national authority on concrete masonry technology ncma tek 1421a replaces tek 1421 1 design of concrete masonry walls for blast loadingtek 1421a structural 2014 introduction compared to the typical forces usually included in build ing design, such as wind and seismic, there are many unique considerations involved in blast design. Blast design software blasting pattern software blast. Example problems for sbeds singledegreeoffreedom blast. Myers baker engineering and risk consultants 3330 oakwell court, suite 100, san antonio, texas 782183024, phone. Cutting edge engineering models to optimise a blast to meet your requirements. Sbeds single degree of freedom blast effects design spreadsheet is an excel workbook that is distributed by the u. Quickly perform dynamic single degree of freedom sdof analysis of blast loaded structures. It is designed to run in a broad range of windows operating systems, including vista and xp.
Sbeds software or blast mitigations software structural. Mithun pal civilstructural engineer march 05, 20 bpwnd project blast resistant design single degree of freedom system sdof 2. It uses a nonlinear sdof dynamic analysis routine based on the publicly available ufc blast documents and asces design of blast resistant buildings in petrochemical facilities guide. Minor rcblast software updates, including improved saveload gui functionality and a prompt to ensure the user has saved their analysis prior to closing the software. We use stateofthepractice tools for blast load prediction and for sdof response calculation. Our shotplus range of blast design and modelling software enable users to design, visualise and analyse blast initiation sequences across surface and underground mining, quarry and construction applications. Dcms includes robust singledegreeoffreedom sdof and twodegreeoffreedom tdof solvers and a range of builtin modeling tools that allow engineers to quickly develop. Protective structures subjected to blast loads are often evaluated using the equivalent. Sbeds singledegreeoffreedom blast effects design spreadsheets is an excelbased tool for design of structural components subjected to airblast using. Structural aspect of blast resistant building design the front face of a building experiences peak overpressures due to reflection of a. It is an excel based tool for the design of structural components subjected to dynamic loads, such as an airblast, using the sdof methodology. Blast load can be input manually, read from an input file, or generated for a hemispherical surface burst given the charge weight and standoff distance. This blast design software license agreement the agreement is a binding agreement between you, the user of the software, your, or youyourself, and applied research associates, inc.
Some of the engineering software that the engineers at bmk use for blast effects analysis or vehicle barrier impact design includes the following. The software has a builtin structural analysis module that can generate high fidelity resistance curves for common oneway reinforced concrete elements. These charts provide data for large scaled distances, namely, in the far field. Army corps of engineers protective design center developed sbeds as a tool for designers to use in. Sbeds enables the user to choose from 11 common structural components, enter readily available parameters related to material properties and. Sdof software t d t 1 10 solution sdof nonlinear dynamic solution system figure 611 sdof solution from design guide 26. Column blast analysis and retrofit design cbard is a breach, sdof and multipledegree of freedom column analysis and retrofit design tool. I wrote some vba software for personal use a couple years ago and gave it the really geeky name blasdof. Soft blast is the home of jksimblast, the premier software system for blast design and analysis in surface, underground and tunnel operations. Singledegreeoffreedom blast effects design spreadsheets for windows.
Generates blast plan and according to the delay pattern structure, simulation. Enduser license agreement blast analysis and design software offreedom sdof. Nov 01, 2018 reasonable knowledge of structural engineering, dynamic response, and blast effects. Feb 07, 2020 rcblast was developed to conduct dynamic inelastic response history analysis of structural elements subjected to blast induced shock waves. Opitblast has the capacity to develop a mine2mill program in order to adjust blast results to reduce the overall cost of the entire operation. Blast design of reinforced concrete and masonry components retrofitted with frp marlon l. Design charts for the maximum responses in the sdof system with elasticperfectly plastic materials are available in many textbooks and manuals such as ufc 334002. Jul 18, 2017 blast overpressure loads have a large magnitude and short duration. This scheme, which allows for softening in either phase, is illustrated in figure 1.
Nonlin and eqtools software for earthquake engineering education. Dec 31, 2016 protective structures subjected to blast loads are often evaluated using the equivalent singledegreeoffreedom sdof analysis. The results allow users to visualize in 3d how the building or different structural components inside the building will behave under the prescribed conditions. Blastplanpro is a graphically based initiation design and simulation package for shotfirers, drill and blast engineers. Column blast analysis and retrofit design cbard is a breach, sdof and multipledegree of freedom column analysis and. Rcblast was developed to conduct dynamic inelastic response history analysis of structural elements subjected to blast induced shock waves. Blast designer software blades calculates blast plan parameters, explosives charge distribution, initiation timing and sequence, results in terms of rock breakage and fragment size distribution. This paper summarizes two proposed rational design methods for these systems along with recommended response limits for. This presents challenges in the blast design of these systems because of a lack in existing design guidance and response criteria. Blast, reinforced concrete, simulation, hydrocode, sdof, lsdyna, response, prediction, damage. These sdof models may be refined based on available explosion accident or test data. Use of sbeds for blast resistant design in accordance with ufc 334002 5a.
Sdof single degree of freedom performs single degree of freedom design and analysis of structural members subject to dynamic loading from blast. 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 consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. For the most versatile and powerful blasting design solution. Singledegreeoffreedom linear oscillator sdof for many dynamic systems the relationship between restoring force and deflection is approximately linear for small deviations about some reference. Singledegreeoffreedom blast effects design spreadsheets sbeds is an excelbased tool for design of structural components subjected to dynamic loads using single degree of freedom sdof methodology. Whether you are a mining engineer designing blasts everyday, a manager looking for a better control of blasting operation or a blaster starting out learning how to improve blast design, dna blast software has the right tools for you. 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. The wingard pe software will run on most standard off the shelf windows computer and must have microsoft word installed. Structural dynamics department of civil and environmental engineering duke university henri p. Design charts for the maximum responses in the sdof system with.
The wingard pe software must be installed using administrative privileges. Windas window design and analysis software protective design center, us army sd4. It allows the user to layout a blast design consisting of blast holes, decks, downhole and surface delays and connections, and then to run a detonation simulation. Building enclosure blast design services curtainwall. The singledegreeoffreedom blast effects design spreadsheet sbeds is. Analysis method for reinforcing circular openings in. With over 750 users in 60 countries, jksimblast is used in a wide range of mining, research and teaching applications by miners, explosives suppliers, contractors, consultants and universities. Dec 03, 2018 sbeds along with sdof analysis method has a lot of problems that limit the user from working in an efficient way that produces a costeffective design for members subjected to blast loads. The static design approach is a direct, simplified method to determine the required moment and shear strengths of the jamb, header, and sill that frame the opening. Sbeds enables the user to choose from 11 common structural components, enter readily available parameters related to material properties and geometry, and directly enter the sdof properties or allow the workbook to calculate them.
Rcblast blast analysis software eric jacques, blast. Equivalent singledegreeoffreedom analysis for blastresistant. Blast resistant building design with finite element analysis. Blastdof twodegreeoffreedom blast analysis software.
The user has the ability to input custom loaddeformation functions, or utilize those computed within the structural analysis module. Bakerrisks structural engineers have over three decades of combined experience in the analysis and design of buildings subjected to blast loads. Hazl window fragment hazard level analysis protective design center, us army. This article is devoted to blast resistant design, though there is overlap with progressive collapseresistant design. Design of concrete masonry walls for blast loading tek 1421a structural 2014 introduction compared to the typical forces usually included in building design, such as wind and seismic, there are many unique considerations involved in blast design. Livermore software technology corporation, livermore, ca.
Design and analysis of blast loaded windows sciencedirect. Blast resistant design of precast, prestressed concrete components find, read and cite all the research you. Army corps of engineers protective design center to meet department of defense dod. Typical bending stress contours are shown in figures 15b and 15c for the test model tm1c. Brads blast resistant window anchor design software, a computer. Standard 10 of ufc 401001 provides two design approaches to size the supporting structural elements of exterior window openings subjected to blast loads. Feb 07, 2020 overpressure abbreviated is an easytouse software tool designed to compute the blast effects caused by the surface detonation of high explosive using ufc 03034002 2008 blast parameter data. Sdof isnt deadthe role of single degree of freedom analysis. Pdf predicting reinforced concrete response to blast. Shotplus provides you the support and tools that you need to improve your productivity, safety and environmental performance. Dynamic component modeling software dcms assists engineers in the analysis and design of building structures walls, roofs, frames, window frames, etc. The maximum displacement is a function of the ratio of applied load to yield load and duration of loading to natural period.
Performing organization names and addresses baker engineering and risk consultants 3330 oakwell court, suite 100, san antonio, texas 782183024 8. Blast effect engineering woodbridge, va bmk engineering, inc. Enduser license agreement blast analysis and design software. 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. Mithun pal civilstructural engineer march 05, 20 prepared by. Cdc provides blast design services to meet gsa, dod, or projectspecific blast mitigation requirements, using current isc and dod design methodologies. Sdof and hydrocode simulation of blastloaded reinforced. Blast analysis by applied science international using its extreme loading for structures 3d nonlinear dynamic structural analysis software. Calculation of blast loads for application to structural components administrative arrangement no jrc 322532011 with dghome activity a5 blast simulation technology development. The software is compatible with windows xp, 7, 8, or 10. What is the structural design considerations of blast. Rcblast generates sdof displacement timehistories by direct numerical integration of the dynamic equation of motion. Blast design analysis software design more effective blasts, safely and more efficiently than ever before. Protection engineering consultants, 4203 gardendale, suite c112, san antonio, tx 78229 abstract fiberreinforced polymer frp products are used as an alternative to traditional methods for.
Instead of analyzing each operation individually, it is essential to treat and cross information from drilling up to the processing plant. Finite element assessment of methods for incorporating. In sdof blast design, the component, such as a masonry wall, is idealized as a beam subjected to the transient blast load, which is then reduced to the transverse motion of a single point degreeoffreedom figure 7. Nov 01, 2018 single degree of freedom blast effects design spreadsheets dale nebuda, p. Blast the use of single degree of freedom sdof analysis for the design of. Twodegreeoffreedom tdof analysis allows you to include the effects of realistic end connections in blast analsys and design.
Overpressure abbreviated is an easytouse software tool designed to compute the blast effects caused by the surface detonation of high explosive using ufc 03034002 2008 blast parameter data. Sdof analysis is not suitable for some structural components. Use of sbeds for blast resistant design in accordance with. Instructional material complementing fema p 751, design examples nonlin and eqtools 1. Enduser license agreement blast analysis and design. Hazl performs a single degree of freedom sdof analysis to calculate the glazing response to a blast loading and a debris transport model for predicting fragment trajectory. Ecb 200410 single degree of freedom blast effects design. Blast resistant design toolsincreasing project complexity. The software has a builtin structural analysis module that can generate high fidelity resistance curves for common oneway reinforced. Sbeds is an excelbased tool for design of structural components subjected to dynamic loads using single degree of freedom sdof methodology. Building enclosure blast design services curtainwall design.
The user must be capable of understanding the effects of the various inputs and recognizing situations that may produce erroneous results. Sbeds single degree of freedom blast effects design spreadsheets dale nebuda, p. This paper presents methods for incorporating the pdelta and pm interaction effects into the singledegreeoffreedom sdof framework that is widely used for blast analysis and design, and evaluates the developed methods using highfidelity nonlinear static and explicit nonlinear dynamic finite element models of loadbearing precast panels. We also consider the architectural and enduser functional requirements of the building, such as building use and location, to provide both required occupant safety and enhanced aesthetic qualities. The use of the sdof approach for analysis and design of blast loaded structural components is discussed in many textbooks and blast design manuals from the u.
Resolving these loads using traditional elastic design methods results the specification of large, costly structural members. Equivalent singledegreeoffreedom analysis for blast. I also updated the sdof displacementtime history plot tooltip message. The software can predict the dynamic response of structural elements, provided. Except for highthreat scenarios associated with military and diplomatic facil. Sbeds singledegreeoffreedom blast effects design spreadsheets is an excelbased tool for design of structural components subjected to airblast using singledegreeoffreedom sdof methodology. Sbeds calculates the parameters of the equivalent sdof system and determines the dynamic response using a timestepping sdof calculator. Dynamics of simple oscillators single degree of freedom systems.
Army corps of engineers, protective design center pdc as a tool to design structural components to resist blast loads. The sdof blast effects design spreadsheets sbeds is a product of the u. Next generation 3d tools for designing charges and timing for your blast design. Blades provide quarry operators with an uncomplicated, firstapproximation method for designing blast patterns, considering geologic structure, and to show the valid use of the technique by comparing drill and blast pattern dimensions used in the quarry. Quickly generate sdof time histories and pi diagrams for user defined blast threats. Calculation of blast loads for application to structural. Singledegreeoffreedom blast effects design spreadsheets. For example, roof trusses cannot be designed with sbeds because of the complications associated with estimating the period of the roof trusses.
Pdf computer software for the design of blast resistant window. Dcms includes robust singledegreeoffreedom sdof and twodegreeoffreedom tdof. Overpressure blast parameter prediction eric jacques. Antiterrorism blast design for building engineers january 2017 doug heinze, pe, leed ap. Equation 1 is solved numerically for transient displacements up to the peak displacement. Simulation of structural behavior of reinforced concrete rc subjected to shock loading is an important aspect of blast resistant design of military and civilian structures. The tool can generate incident and reflected pressure timehistories suitable for use in singledegreeoffreedom sdof analysis. To complement industry available software packages, our engineers have developed. Rr405 design, materials and connections for blastloaded. Blast mitigation software developed by cttsotswg and the u.
Blast loads are in fact dynamic loads that need to be carefully calculated just like earthquake and wind loads. The pressuretime histories generated by can be imported directly. Designing against a blast threat is iterative in nature. Army corps of engineers protective design center and was developed by baker engineering and risk consultants, inc. The following are some of the problems that face the engineers working with the tool. Els is a structuralanalysis software based on the applied element.
1086 1333 1440 18 964 992 744 133 1138 171 92 1473 381 1382 923 1491 1255 976 163 296 1467 739 295 25 614 711 705 989 1066 803 1413 1325 1394 659