ASTM F2949-2012e1 Standard Specification for Pole Vault Box Collars《用于撑杆跳高的头盔的标准规范》.pdf
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1、Designation: F2949 121An American National StandardStandard Specification forPole Vault Box Collars1This standard is issued under the fixed designation F2949; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTEEditorially added footnotes regarding patent rights in August 2013.1. Scope1.1 This specification covers minimum requirements ofsize, phy
3、sical characteristics of materials, standard testingprocedures, labeling and identification of pole vault boxcollars.21.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. Thevalues stated in each system may not be exact equivalents;therefore, e
4、ach system shall be used independently of the other.Combining values from the two systems may result in non-conformance with the standard.1.3 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
5、establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3F1292 Specification for Impact Attenuation of SurfacingMaterials Within the Use Zone of Playground Equipment3. Terminology3.1 Definiti
6、ons:3.1.1 box collar arms, nthe two parts of the pole vault boxcollar to the left and right of the pole vault box. If the boxcollar has box collar wings, the wings are part of the box collararms.3.1.2 box collar body, nthe part of the pole vault boxcollar that pads the horizontal surfaces around the
7、 rim of thepole vault box and under the front buns.3.1.3 box collar cutout, nthe opening in the pole vault boxcollar above the pole vault box.3.1.4 box collar wing, nthe part of the box collar arm thatextends down the inner sidewall of the pole vault box. The boxcollar wings provide protection and h
8、elp to hold the box collarin place.3.1.5 front buns, nthe parts of the pole vault landingsystem that pad the areas between the standard bases andaround the pole vault box.3.1.6 front opening, nthe opening at the front of the polevault box nearest the approach runway.3.1.7 pole bend cavity, nthe rear
9、most portion of the polevault box and box collar cutout in front of the strike platewhere the pole bends and rotates. The cavity is formed by thesidewalls and strike plate of the pole vault box, the rearmostpart of the pole slide, and inside edges of the box collar cutoutover the deepest part of the
10、 box where the pole slide meets thestrike plate.3.1.8 pole slide, nthe floor of the pole vault box that slantsdownward from its front boundary with the runway to its rearboundary with the back of the box. The tip of the vaulting poleslides on the pole slide to the strike plate.3.1.9 pole slide openi
11、ng, nthe space between the ends ofthe box collar arms at the front of the pole vault box collar andabove the intersection of the runway with the pole slide.3.1.10 pole vault box, nthe trough at the end of the polevault runway. It has four sides: a downward sloping floor orpole slide, two sidewalls,
12、and a strike plate. A vaulter directsthe lower end of the vaulting pole into the pole vault box. Theback wall of pole vault box stops the forward motion of the endof the pole while allowing the pole to rotate about its end as thevaulter leaves the ground and completes a vault.3.1.11 pole vault box c
13、ollar, na device used to offerimpact protection to pole vaulters in and around a pole vaultbox.3.1.12 sidewalls, nthe left and right walls of the pole vaultbox.1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment and Facilities and is the direct responsibility of Su
14、bcommittee F08.67 onPole Vault.Current edition approved Sept. 1, 2012. Published October 2012. DOI: 10.1520/F2949-12E01.2The users attention is called to the possibility that compliance with thisstandard may require use of an invention covered by patent rights.By publication of this standard, no pos
15、ition is taken with respect to the validityof any such claim(s) or of any patent rights in connection therewith. If a patentholder has filed a statement of willingness to grant a license under these rights onreasonable and nondiscriminatory terms and conditions to applicants desiring toobtain such a
16、 license, then details may be obtained from the standards developer.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM w
17、ebsite.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.13 strike plate, nthe back wall of the pole vault box;the stopboard.4. Performance Requirements4.1 The average peak acceleration calculated from the lasttwo of a series of thr
18、ee impact tests for each impact testlocation on the pole vault box collar shall not exceed 200 gwhen impact tested in accordance with Section 9.4.2 The average HIC score calculated from the last two of aseries of three impact tests for each impact test location on thepole vault box collar shall not
19、exceed 1150 when impact testedin accordance with Section 9.5. Dimensions5.1 Minimum DimensionsA pole vault box collar shall beat least 122 cm (48 in.) wide and 146 cm (5712 in.) long. Thedistance from the rear edge of the box collar at its base to therear edge of the box collar cutout shall be at le
20、ast 38 cm (15in.). At its uppermost surface, the box collar shall cover theupper edges of each sidewall of the box from the front of thebox where the pole slide meets the runway to a point on the topedge of the sidewall no less than 20 cm (8 in.) forward of thetop of the strike plate. The box collar
21、 arms shall extend forwardat least 108 cm (4212 in.) from the base of the rear edge of thebox collar cutout. (See Figs. 1 and 2.)4,55.2 Maximum ThicknessA pole vault box collar shall beno more than 10 cm (4 in.) thick.5.3 Maximum Dimensions of Box Collar CutoutAt thebox collars uppermost surface in
22、the vertical plane passingthrough the front edge of the pole slide, the horizontal distancefrom left to right across the box collar cutout shall be no morethan 58 cm (23 in.). At the horizontal plane of the runway, thehorizontal distance from left to right across the rear of the boxcollar cutout at
23、the front of the bend cavity shall be no morethan 29 cm (1112 in.). The width across the base of the rearopening of the box collar cutout shall be no more than 42 cm(1612 in.). The width across the base of the front opening of thebox collar cutout shall be no more than 60 cm (24 in.). The boxcollar
24、arms shall extend over the box beyond the upwardextended plane of the adjacent sidewall of the pole vault boxfrom a point no more than 20 cm (8 in.) forward from the topedge of the strike plate to the front of the box where the poleslide meets the runway. (See Figs. 1 and 2.)5.4 Minimum Dimensions o
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