ASTM F2656-2007 Standard Test Method for Vehicle Crash Testing of Perimeter Barriers《环形物障的车辆撞击测试的标准试验方法》.pdf
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1、Designation: F 2656 07Standard Test Method forVehicle Crash Testing of Perimeter Barriers1This standard is issued under the fixed designation F 2656; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numb
2、er in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.INTRODUCTIONOriginal perimeter barrier test methods were first published in 1985 by the Bureau of DiplomaticSecurity to assess the crash performance o
3、f perimeter barriers and gates. Since that time, the frequencyand scale of attacks using vehicles with or without an explosive payload have increased bothinternationally and domestically. Therefore, there is a need to address a broad spectrum of possibleincident conditions such as credible threat ve
4、hicle types for the locale, attack velocities of the differentvehicles, and different acceptable penetration limitations. Also, there are different evaluation criteriafor different agencies that fulfill their unique access control operations, aesthetics, and otherorganizational requirements. This te
5、st method is intended to expand the current Department of State,Bureau of Diplomatic Securitys crash testing standard to meet the broader needs of multipleorganizations responsible for the protection of U.S. assets domestically and abroad.Published test standards for perimeter security devices have
6、previously been maintained by the U.S.State Department, Bureau of Diplomatic Security. The Specification for Vehicle Crash Test ofPerimeter Barriers and Gates was first published in 1985 as SD-STD-02.01. In that standard, the testvehicle was specified as a medium-duty truck weighing 6800 kg (15 000
7、lb). The payload was to besecurely attached to the frame and nominal impact velocities were 50 km/h (30 mph), 65 km/h (40mph), and 80 km/h (50 mph). Penetration limits were1m(3ft), 6 m (20 ft), and 15 m (50 ft) and weremeasured from the attack face of the perimeter security device to the final resti
8、ng position of the frontof the frame rails of the test vehicle.In 2003, the U.S. State Department, Bureau of Diplomatic Security issued an updated standard(SD-STD-02.01, Revision A) for the testing of perimeter barriers. This update was done for severalreasons. The foremost reason for change was lim
9、ited setback distances precluded the use of anydevices at their facilities or compounds that did not meet the highest test level, that is, those allowingmore than 1-m (3-ft) penetration distance. Therefore, the revised standard only uses a 1-m (3-ft)penetration distance. Secondly, the method of rigi
10、d attachment of the ballast to the test vehicle was notsimulating likely payload configurations and was altering the structural integrity of the test vehicle.Consequently, the updated standard requires a payload consisting of 208-L (55-gal) steel drumsstrapped together that have been filled with soi
11、l. This assembly is then strapped to the vehicle loadplatform. The third reason for change was based on the observation that the cargo bed of trucks couldeffectively penetrate certain types of barriers. Accordingly, the penetration distance is now measuredfrom the inside face or non-impact surface o
12、f the barrier to the front of the cargo bed when the vehiclehas reached its final position. Lastly, it was determined that the trucks used different platforms withina given class affecting result consistency. The revised test standard now requires the use of veryspecific diesel-powered medium-duty t
13、rucks.1. Scope1.1 This test method provides a range of vehicle impactconditions, designations, and penetration performance levels.This will allow an agency to select passive perimeter barriersand active entry point barriers appropriate for use at facilitieswith a defined moving vehicle threat. Agenc
14、ies may adopt andspecify those condition designations and performance levels inthis test method that satisfy their specific needs. Agencies mayalso assign certification ratings for active and passive perimeterbarriers based on the tests and test methodologies describedherein. Many test parameters ar
15、e standardized to arrive at a1This test method is under the jurisdiction ofASTM Committee F12 on SecuritySystems and Equipment and is the direct responsibility of Subcommittee F12.10 onSystems Products and Services.Current edition approved Aug. 1, 2007. Published August 2007.1Copyright ASTM Internat
16、ional, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United Smon vehicle type and mass, enhance test realism andreplication, and produce uniform rating designations.1.2 Compliance with these test procedures establishes ameasure of performance but does not render any perimeter
17、barrier invulnerable to vehicle penetration. Caution should beexercised in interpreting test findings and in extrapolatingresults to other than test conditions. While computer simula-tions are powerful tools that are useful in the development ofnew and improved barriers or in estimating performance
18、underdiffering conditions, use of only the results from computersimulation for fielding a product is strongly discouraged. Whenperforming a test, developers and users are encouraged toaddress specific or unusual site conditions as needed. Oftenlocal terrain features, soil conditions, climate, or oth
19、er itemswill dictate special needs at specific locations. Therefore, if siteconditions are likely to degrade a barriers performance, theagency in need of a perimeter barrier should require testingwith the specific site conditions replicated for full-scale crashtesting.1.3 Product/design certificatio
20、n under this test method onlyaddresses the ability of the barrier to withstand the impact ofthe test vehicle. It does not represent an endorsement of theproduct/design or address its operational suitability.1.4 The values in SI units are to be regarded as the standard.The values shown in parentheses
21、 are for information only.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and to determine theapplicability of regulatory limitations p
22、rior to use.2. Referenced Documents2.1 ASTM Standards:2D 1556 Test Method for Density and Unit Weight of Soil inPlace by the Sand-Cone MethodD 2922 Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth)32.2 AASHTO Standards4M147-65 Standard Specifications for
23、 Transportation Mate-rials and Methods of Sampling and Testing, Table 1Grading Requirements for Soil-Aggregate Materials,Grading BT099 Standard Method of Test for Moisture-Density Rela-tions of Soils Using a 2.5-kg (5.5-lb) Rammer and a305-mm (12-in.) Drop2.3 ISO Standard5ISO/IEC 17025 General requi
24、rements for the competence oftesting and calibration laboratories2.4 SAE Standard6J211-1 Instrumentation for Impact Test Part 1: ElectronicInstrumentationJ211-2 Instrumentation for Impact Test Part 2: Photo-graphic Instrumentation2.5 U.S. Army Corps of Engineers PDC Standard7DOD Certified Anti-Ram V
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