1、Designation:F55214Standard Terminology Relating toChain Link Fencing1This standard is issued under the fixed designation F552;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates
2、the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.aluminizedin chain link fabric,describes fabric woven fromsteel wire that is coated with aluminum
3、before weaving(seeSpecification A4912).barbas related to barbed wire-a short length of wire,withexposed ends cut on a bias to produce sharp points.SeeSpecifications F1665 and A121.barbed tapestrip of metal,machined to produce clusters ofsharp points(see Terminology F13792for further informa-tion).ba
4、rbed wirea fabricated wire product consisting of two linewires twisted to form a two-wire strand,into which 2pointor 4point barbs are tightly wrapped and locked into place atspecific intervals.(Syn.barbwire).See Specifications F1665and A121.barbed wire arma post fitting used to hold barbed wire inpl
5、ace.May be vertical or angled to hold three or morestrands of barbed wire,or“V”shaped to hold six or morestrands of barbed wire.barbed wire arm basea casting of aluminum,malleableiron,or steel,used in combination with one or two barbedwire extension arms held in place by a bolt and nut.barbed wire e
6、xtension armpressed aluminum or pressedgalvanized steel used in combination with barbed wire armbase to hold three strands of barbed wire either vertically orangled in or out from the fence line.Also used in pairs in a“V”configuration to hold 6 strands of barbed wire.bottom protective platea safety
7、device installed on a TypeII,Class 1,cantilever slide gate with external rollers toisolate the lower roller mechanism to reduce the possibilityof contact with the roller mechanism by a person.SeeSpecification F11842.bottom railhorizontal member of the framework runningcontinuously along the bottom e
8、dge of the fence.boulevard clampa two piece clamp with carriage bolts andnuts designed for 180 horizontal rail connections to a linepost(also called line rail clamp).brace banda symmetrically formed strip of metal shaped tofit around a post and used with a carriage bolt and nut toattach the rail end
9、 or brace rail end truss rod tightener to thepost(see Fig.1).Also used for attaching barbed wire,tension wire,and other items to a terminal post.brace raila compression member at terminal posts or cornerposts.brace rail enda cup-shaped fitting similar to a rail end withprovision for attaching a trus
10、s rod.cantilever slide gateany horizontal slide gate spanning anopening lacking a top or bottom support within that opening(see Specification F11842).center stopa device to receive and hold the drop bar on adouble mercially availablea manufactured item or product thatonce produced is held in invento
11、ry COS status(commercialoff the shelf),ready for delivery once ordered by a consumeror other end user.corner barbed wire arma combination post cap and fittingused to hold barbed wire in place on a corner post.May beangled in or out from the fence line to hold three or morestrands of barbed wire,or“V
12、”shaped to hold six or morestrands of barbed wire.corner posta terminal post,at which the direction of the lineof fence changes in two or more directions(see Fig.2).corner rail clampa two-piece clamp with carriage bolts andnuts designed for horizontal rail connections to a 90 cornerpost.diamondthe o
13、pening formed by the woven wires in chainlink fence fabric.1This terminology is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.40 on Chain Link Fence andWire Accessories.Current edition approved Sept.15,2014.Published September 2014.Origina
14、llyapproved in 1978.Last previous edition approved in 2013 as F552-02(2013).DOI:10.1520/F0552-14.2For 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 S
15、ummary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 diamond countthe number of diamond openings from oneedge of fabric to the other.The count of a given fabric shallbegin at the first completed diamond at one ed
16、ge andcontinue to the unfinished(half)or full opening at the otheredge(see Fig.3).double drive gatea gate comprised of two gate leaves whichis used to close a gate opening through which vehicles areintended to pass.While often referring to a swing gate(thatis,double swing gate),the gate may be any double leaf gateintended for vehicular(that is,slide gate or others).Seespecifications F654,F900,and F11842.drop barcomponent of a double gate latch assembly(some-times called drop rod)(see Specificati
