Conwep tm 5-855-1 pdf

Department of the army, security engineering, tm 5853 and air force afman 321071, volumes 14, washington, dc, departments of the army and air force, 1994. The conwep blast loading model is based on a collection of conventional weapons effects calculations from the equations and curves of tm 5 8551 hyde, 1988 and is implemented into the abaqusexplicit through the conwep charge property keyword conwep charge property. Investigation of blast effects on doubleskinned composite. Ngfs testing aboard dd980 moosebruger, vieques, puerto rico, 1992. Characteristics, loading and computationan overview. This document contains technical data that is restricted for export by the arms export control act title 22, u. Ufc 334001 design and analysis of hardened structures to. Fundamentals of protective design for conventional weapons.

A case study of multiple explosions of chemicals under fire. This paper presents the results of recent ground shock experiments conducted by the u. Microcomputer programs conwep and funpro, applications of. Army technical manual tm 5 855 1 by michaelgalindo2068 issuu. The use of abaqus for modelling blast wave propagation in. Response of earthquakeresistant reinforcedconcrete.

Then by repeating the process for each component of the structure, the entire structure can be developed. Microcomputer programs conwep and funpro, applications of recently revised army technical manual th 5 8551, pmdamentals of protective phase of the shock wave is ignored both by conwep and tm 5 8551. Both conwep and the technical manual make several simplifying assumptions andor approximations concerning weapons effects calculations. It allows the evaluation of explosives effect on structures, adopting algorithms derived from tm 5 8551, design and analysis of hardened structures to conventional weapons effects. Protective structures subjected to blast loads are often evaluated using the equivalent singledegreeoffreedom sdof analysis.

Fundamentals of protective design for conventional weapons, u. Conwep is a collection of conventional weapons effects calculations from the equations and curves of tm 5 8551, design and analysis of hardened structures to conventional weapons effects. Numerical modelling of reinforced concrete slabs under blast. These equations are also implemented in conwep 3, a computer program which is an implementation of ufc 334001 formerly tm 5 8551 4, and is widely used as a tool for determining blast loads on buildings from the detonation of high explosives.

The conwep algorithm in it is described in this paper. This shape is not necessarily the most critical since it is statistically possible that some fragments will have a sharper shape than that. This paper proposes a modified equation that may replace the conventional kingerybulmash equation. Designing for blast resistance requires a comprehensive knowledge of explosive effects and fortification sciences, as described in dahscweman 1998, in technical manual tm 5 8551 u. Conwep 1992 collection of conventional weapon effects calculations based on tm 5 8551. Tm 5 8551 fundamentals of protective design for conventional weapons. This shape is not necessarily the most critical since it is statistically possible that some fragments will have a sharper shape than that shown. Omaha district website about centers of expertise protective.

Calculations of the three parameters were conducted using tm5 855 through the tool conwep and autodyn. Besides ufc 33402, ufc 33401 7 superseded tm 5 8551, it was intended for designing hardened facilities to resist the effect of conventional weapons. Afriyie a thesis submitted to the faculty of graduate and postdoctoral affairs in partial fulfillment of the requirements for the degree. Air force esltr8757, protective construction design manual, november 1989. Remaining capacity estimation for buildings after an. Copies of th 5 8551 are available from the us army ag publication center, 2800 eastern blvd. So that if you want to load pdf army technical manual tm5 855 2 armytechnicalmanualtm58552. The design curves presented in the manual give the blast wave parameters as a. Among the various blast load equations, the kingerybulmash equation is applicable to both a freeair burst and a surface burst that enables calculations of the parameters of a pressuretime history curve. Simulation of blast action on civil structures using ansys. Superceded by army technical manual tm 5 8551 air force pamphlet afpam 321147i, navy manual navfac p1080. Structural mechanics division, structures laboratory, usace waterways experiment station, vicksburg, ms, 20 august 1992. Tm 5 8551, fundamentals of protective design for conventional weapons. Numerical modelling of reinforced concrete slabs under.

Hyde, dw 1988 users guide for microcomputer programs conwep and funpro, applications of tm 5 8551, fundamentals of protective design for conventional weapons. The main advantage of using conwep over the incident wave loading approach. Effect of the type of soil on the design criteria of. Blast mitigation for structures, program master plan. Conwep is a collection of conventional weapons effects calculations from the. An empirical correction factor is added to the logarithmic decay in order to ensure a.

Murat saatcioglu, a togay ozbakkaloglu, a nove naumoski, a alan lloyd a. Remennikov 2003 reported methodology for analysis of structures under blast and proposed application of fe modelling to analyse the structures. Equivalent singledegreeoffreedom analysis for blast. Pc code for conventional weapons effects based on tm 5 8551. Comparisons between these recent experimental results and results of numerical simulations of the ground shock propagation in soil are presented.

This users guide documents two computer programs that supplement the recently revised army technical manual tm 5 8551. The following army technical manual tm 5 855 1 pdf begin with introduction, brief discussion until the indexglossary page, see the table of content for more details, if provided. Structures to resist the effects of acci dental explosions tm 50. Dec 31, 2016 protective structures subjected to blast loads are often evaluated using the equivalent singledegreeoffreedom sdof analysis.

This is a reproduction of a book published before 1923. Users guide for microcomputer programs conwep and funpro, applications of tm 5 8551, fundamentals of protective design for conventional weapons. Army engineer waterways blast analyses standards fig. Funpro allows the user to display and scroll through the text of the manual, search for key words andor phrases, display the curves and illustrations on a microcomputer monitor and produce hard copies, and retrieve data points from curves. Concrete and blast effects, aci sp 175, american concrete institute, farmington. Experimental and numerical investigation of the ground. This includes criteria for protection against penetrating weapons, contact detonation, and blast and fragmentation from a standoff distance. Army research laboratory, aberdeen proving ground, md 1997. Blast resistant design of steel structures tennessee research. External blast load on structures empirical approach dynalook. Conwep performs a variety of conventional weapons effects calculations including an assortment of airblast routines, fragment and projectile penetrations. Army engineer research and development center to further investigate the adequacy of the coupling factor approach to shallowburied or nearsurface detonations. Nuclear warfare and chemical and biological operations may 1965 tm 5855 series. Conwep tm 5 8551 matlab octave mathcad rs design of experiments doe artillery effectiveness model artquik selected test experience long range ngfs test and ngfs qualification exercises aboard cg66 hue city, vieques, puerto rico, 1994.

Violators of these export laws are subject to severe criminal penalties. Numerical simulation of armored vehicles subjected to. Calculations of the three parameters were conducted using tm5855 through the tool conwep and autodyn. Design and test of a blast shield for boeing 737 overhead. Army technical manual tm5 855 1 pdf is an abbreviated form of portable document format which is invented for magazines, pamphlets, etc. Army engineer waterways experiment station, vicksburg, miss. Eur 24288 en 2010 explosions in complex geometries a comparison of several approaches martin larcher, folco casadei. Department of the army 1998, and in the triservice manual tm 50, u. Comparative analysis of the numerical simulation results. Comparison of response of building structures to blast. The positive overpressures were calculated using the new forensic software aside. These charts provide data for large scaled distances, namely, in the far field.

Pdf this paper presents the state of the art for blast load characterization. Tattoni, universita di cagliari dicaar via marengo, 2 09123 cagliari, italy. Most backordered items can be rushed in from the publisher in as little as 24 hours. Tm 5 8551 fundamentals of protective design for conventional weapons 3 november 1986 tm 58552 protection against chemical and biological agents and radiological fallout 19 january 1961. Primer ro design safe school projects in case of terrorist.

In this paper, we describe an investigation based on three explosives, tnt, petn and anfo, which has been conducted by considering three parameters. Fundamentals of protective design for conventional weapons tm 5 8551. On the other hand, this equation is quite complicated. User s guide for microcomputer programs conwep and funpro applications of tm 5 8551, u. The assumed fragment shape for design purposes is shown in figure 66. Design approach tm 5 8551 this design approach suggests a way in which the process can be used to design a single member such as a ceiling or side wall structure. Effects of explosions on embankment dams by george a. A case study of multiple explosions of chemicals under. Army engineer waterways experimental station, vicksburg, 1988.

Army technical manual tm5 855 a credit substantially as follow. In order to protect the occupants to the highest degree, the aim should be for the building and its cladding components to remain standing or attached long enough to evacuate every person and to protect occupants from injury or death resulting from flying debris. The evolution of these blast wave parameters is expressed by combining the laws of two approaches. Department of the army technical manual tm 5 8551, page 530. Army technical manual tm5 855 1 indy any swing goes. Influence of strain softening on spalling of concrete due.

Microcomputer programs conwep and funpro, applications of tm. Response of earthquakeresistant reinforcedconcrete buildings to blast loading. Departments of the army, air force, and navy and the defense special weapons agency. Conwep code is a military code distributed by the government of the usa. Dahscweman manual will greatly assist designers in applying blast design. Fullscale test structure to be built and tested in fy98. This design approach is based on the use of simple equations and diagrams. 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. Army technical manual tm5 855 2 portable document format. In addition, conwep will in some cases use a more rigorous calculation than called for by the. Explosions in complex geometries a comparison of several. Foo b a department of civil engineering, mcmaster university, 1280 main street west, hamilton, on l8s 4l7, canada b public works and government services canada, 11 laurier street, place du portage 3, room 8b1, gatineau, qc k1a 0s5, canada. Using explicit finite element analysis to simulate blast.