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    锛�1锛夋尝褰㈡璀�(h霉)娆勬澘銆佺珛鏌�銆侀槻闃诲銆佹┇闅旀銆佺闋�銆佽灪鏍�銆佽灪姣嶇瓑妲�(g貌u)浠舵噳(y墨ng)鍚堥仼銆婇珮閫熷叕璺尝褰㈡閶艰(h霉)娆勩€嬶紙JT/T281鈥�1995锛夊強銆婂叕璺笁娉㈠舰姊侀嫾璀�(h霉)娆勩€嬶紙JT/T457鈥�2001锛夌敘(ch菐n)鐗╁昂搴︾殑鍔冨畾銆傚嚭鐢�(ch菐n)寤犳柟鍦ㄤ緵绲︾敘(ch菐n)鐗╂檪(sh铆)锛屾噳(y墨ng)鍚屾檪(sh铆)鎻愪氦鐢�(ch菐n)鐗╄唱(zh矛)閲忓強鏍艰瓑鏇�(sh奴)銆�(1)wavebbeamplate,averticalcolumn,anantiblock,crossbeamandanend,bolts,nutsandothercomponentsseparatedshouldconbtotherequirementsofthehighwayguardrail"(JT/T281-1995)andtheroadthreewavebeamsteelguardrail"(JT/T457--2001)standardproductsof.Themanufacturersinprovidingproducts,productqualitycertificateshouldbebtedatthesametime.锛�2锛夋尝褰㈡鏉�銆佺珛鏌�銆侀槻闃诲銆佺闋�銆佹墭鏋剁瓑閮ㄤ欢鎳�(y墨ng)鍚堥仼銆婄⒊绱犲竷灞€閶笺€嬶紙GB/T700鈥�1988锛夌殑Q235鍟嗘(bi膩o)閶肩殑瑕佹眰銆�

    (2)wavebeamplate,column,block,end,bracketandotherpartsshouldbeinaccordancewiththe"carbonstructuralsteel"(GB/T700-1988)oftheQ235gradesofsteelrequirements.锛�3锛夋瘲閫h灪鏍�銆佽灪姣�銆佸鍦堛€佹┇姊佸鐗囩瓑閮ㄤ欢鎳�(y墨ng)鍚堥仼銆婄⒊绱犲竷灞€閶笺€嬶紙GB/T700鈥�1988锛夌殑瑕佹眰锛屽叾鎶楁媺寮�(qi谩ng)搴︿笉寰楀皬浜�375MPa鍜�400MPa锛堝垾闆㈠悎鐢ㄤ簬JT/T281鈥�1995鍜�JT/T457鈥�2001锛�銆�(3)connectingbolts,nuts,washers,beamgasketcomponentsshouldcomplywiththe"carbonstructuralsteel"(GB/T700-1988)requirements,thetensilestrengthshallnotbelessthan375MPaand400MPa(wereappliedtoJT/T281-1995andJT/T457,2001).锛�4锛夐珮寮�(qi谩ng)搴︽嫾鎺ヨ灪鏍撴瘲閫e壇鎳�(y墨ng)鍚堥仼銆婁綆鍚堥噾楂樺挤(qi谩ng)搴﹀竷灞€閶笺€嬶紙GB/T1591-1994锛夈€併€婂劒(y艒u)璩�(zh矛)纰崇礌甯冨眬閶笺€嬶紙GB/T699-1999锛夋垨銆婂悎閲戝竷灞€閶笺€嬶紙GB/T3077-1999锛夌殑瑕佹眰銆�

    鍏ū鐩村緫16mm銆�8.8S绱�(j铆)鎶楁媺鑽疯級涓嶅緱灏忎簬133kN銆�(4)highstrengthboltedspliceconnectiondeputyshallcomplywiththerequirementsofthelowalloyhighstrengthstructuralsteel"GB/T1591-1994,thehighqualitycarbonstructuralsteel"GB/T699-1999orthealloystructuresteel,GB/T3077-1999,nominaldiameterof16mm,8.8stensileloadshallnotbelessthan133kN.锛�5锛夌偤鍖呯鐢�(ch菐n)鐗╄唱(zh矛)閲忋€�

    灏�(du矛)娉㈠舰姊佽(h霉)娆勫悇閮ㄤ欢鐨勫涓嶉泤銆佸昂瀵搞€侀槻鑵愯檿缃€�(j矛n)琛屾娊妯f煡鎶勩€備笉涓嶇暟鐨勯儴浠跺悇浠�200浠朵竴鎵圭偤鍙栨ǎ鍠厓锛屽垾闆㈡帍鍑轰竴鐗囪(h霉)娆勬澘銆佷竴鍊�(g猫)绔牠銆佷竴鏍圭珛鏌�銆佷竴濉婃墭鏋堕€�(j矛n)琛屾煡鎶�锛岃嫢鏄彈妾㈢殑妲�(g貌u)浠朵笉鍚堥仼瑕佹眰锛屽彟鍙栧叐浠舵煡椹�(y脿n)锛涜嫢鏄€欏叐浠朵腑浠嶆湁涓€浠朵笉鍚堥仼瑕佹眰锛屽墖浠ユ鐐烘ǎ鍝佺殑鏁存壒鐢�(ch菐n)鐗╂噳(y墨ng)琚嫆鏀�锛屼竴鍒囪不(f猫i)鐢ㄧ敱鎵垮寘浜鸿嚜浠樸€�(5)toensurethequalityofproducts,theappearance,sizeandcorrosionresistanceofvariouspartsoftheguardrailsweresampledandchecked.Differentcomponentsto200piecesofanumberofsamplingunit,respectively,removedapieceofguardrailplate,ahead,anuprightt,abracketareexamined,ifbyinspectionofthecomponentdoesnotmeettherequirements,takeanothertest;ifthisisstilladoesnotmeettherequirements,thetosampletheentirebatchofproductsshouldberejected,allexpensesbythecontractorpays.锛�6锛夎(h霉)娆勬澘銆佺闋銆佺珛鏌辩殑闀�(zh菐ng)搴﹀拰瀵害妯�(bi膩o)鐨勭洰鐨勪笉瑷卞彲鐒婃帴銆�

    妲�(g貌u)浠朵笉瑭插憟鐝�(xi脿n)瑁傜棔銆�(6)thelengthandboftherail,theendofthebeamandthecolumnarenotallowedtobewelded,andthemembersshouldnotcrack.锛�7锛夐珮寮�(qi谩ng)搴﹁灪鏍撴噳(y墨ng)鎶芥ǎ閫�(j矛n)琛屾璨�(f霉)杓夋媺鍔涜│椹�(y脿n)锛屾柗瑁傛噳(y墨ng)鐧�(f膩)鐢熷湪铻虹磱閮ㄩ杸鎴栬灪绱嬭垏妗块儴浜や唬铏曪紱濡備笉鍏嬩笉鍙婂仛妤旇矤(f霉)杓夋媺鍔涜│椹�(y脿n)锛屽墖鎳�(y墨ng)鍋氳姱閮ㄧ‖搴﹁│椹�(y脿n)锛岃姱閮ㄧ‖搴﹀€肩偤娲涙皬HRC34锝�40銆傝灪姣嶆噳(y墨ng)鎶芥ǎ閫�(j矛n)琛屽寘绠¤嵎杓夊拰纭害瑭﹂(y脿n)銆�(7)ofhighstrengthboltsshouldbesampledtowedgeloadtensiletest,fractureoccurredatthethreadedportionorthreadandrodjunction;ifnotwedgetensileloadtest,youshoulddocorehardnesstest,hardnessofthecorbuesofRockwellHRC34~40.Thenutshallbesampledtoensuretheloadandhardnesstest.锛�8锛夋瘡鎵归珮寮�(qi谩ng)铻烘爴閮芥噳(y墨ng)鏈夊嚭寤犲強鏍艰瓑銆�

    铻烘爴姣楅€e壇鎵煩鎳�(y墨ng)闄勬湁鎵煩绯绘暩(sh霉)鐨勫钩鍧囧€�銆佸昂搴﹁宸殑瑭﹂(y脿n)鏁�(sh霉)鎿�(j霉)鍜屾壄鐭╃郴鏁�(sh霉)娓�(c猫)瑭︽檪(sh铆)鐨勬儏娉佹韩搴︾瓑鎵嬭棟璩囨枡銆�(8)eachbatchofhighstrengthboltsshouldhavethefactorycertificate,theboltconnectionvicetorqueshouldbeaccompaniedbythetorquecoefficientoftheaveragbue,standarddeviationofthetestdataandtorquecoefficienttestenvironmenttemperatureandothertechnicalinbation.锛�9锛夋尝褰㈡璀�(h霉)娆勩€佸嬀鐣�(d膩ng)寮忛嫾璀�(h霉)娆勫強铻烘爴銆佽灪姣嶃€佸鍦�銆佸鐗囩瓑鎵€鏈夐儴浠跺潎鎳�(y墨ng)鎸夈€婇珮閫熷叕璺氦閫氬伐绋嬮嫾妲�(g貌u)浠堕槻鑵愭墜钘濆墠鎻愩€嬶紙GB/T锛夌殑鍔冨畾閲囩敤鐔辨蹈閸嶉媴锛堥媮锛夐€�(j矛n)琛岄噾灞娉佽檿缃�锛�

    鐔辨蹈閸嶉媴鎳�(y墨ng)閲囩敤銆婇媴閷犮€嬶紙GB/T470鈥�1997锛変腑鎵€鍔冨畾鐨勭壒涓€铏�(h脿o)閶呴尃鎴栦竴铏�(h脿o)閶呴尃锛岄崓閶呮(g貌u)浠堕媴灞よ唱(zh矛)閲忔噳(y墨ng)鍚堥仼琛�602-1鐨勫妰瀹�銆傜啽娴搁崓閶佹噳(y墨ng)閲囩敤銆婇噸鐔旂敤閶侀尃銆嬶紙GB/T1196-1993锛変腑鎵€鍔冨畾鐨勭壒涓€绱�(j铆)銆佺壒浜岀礆(j铆)銆佷竴绱�(j铆)閶侀尃锛岄崓閶佹(g貌u)浠堕媮灞よ唱(zh矛)閲忔噳(y墨ng)鍚堥仼琛�602-2鐨勫妰瀹氥€�(9)W-beamguardrail,activitytypesteelguardrailandbolts,nuts,washers,gaskets,etc.allthepartsshallbeinaccordancewiththeprovisionsofthehighwaytrafficengineeringsteelstructureanticorrosiontechnicalconditions"GB/Tbyhotdipgalvanized(AL)blsurfacetreatment;hotdipgalvanizingshouldadoptthe"zinc"(GB/T470-1997stipulatedthespecialNo.azincingotsor1zincingots,componentgalvanizedzinclayerqualityshallconbtospecifiedintable602-1.Hotdipaluminumshouldadopttheremeltingwithaluminumingot"(GB/T1196-1993)requiredaspecial,specialsecondaryandprimaryaluminumingot,aluminumaluminumcomponentlayerqualityshallconbtotherequirementsintable602-2.楂樺挤(qi谩ng)搴﹁灪鏍撻€�(j矛n)琛岀啽娴搁崓閶呰檿缃悗銆�

    灏�(du矛)楂樺挤(qi谩ng)搴﹁灪鏍撴瘲閫d欢姒傛硜瑕佹秱榛冩补锛屽苟閫�(j矛n)琛岀7鍖栨饯(r霉n)婊戣檿缃�锛屽湪鍑哄粻鏅�(sh铆)鎳�(y墨ng)瀵嗗皝鍖呰锛屼互闃查亱(y霉n)杓搞€佷繚鐣欐檪(sh铆)浠g敓閵规垨寮勮嚐銆�Hotdipgalvanizedhighstrengthbolts,ofhighstrengthboltconnectionsurfaceshouldbecoatedwithbutter,andphosphatizinglubrication,inthefactoryshouldbesealedpackaging,topreventtransportation,preservationperiodofrustordirty.锛�10锛夐崓閶呮(g貌u)浠剁殑閶呭堡鎳�(y墨ng)骞冲潎锛岃│妯g稉(j墨ng)婧舵恫娴歌潟5娆′笉璁婄磪锛屽苟鍚堥仼銆婇珮閫熷叕璺尝褰㈡閶艰(h霉)娆勩€嬶紙JT/T281-1995锛夐檮閷�B鐨勫妰瀹�锛�

    閸嶉媴妲�(g貌u)浠剁殑閶呭堡鎳�(y墨ng)鑸囧熀搴曢噾灞€g郴瀹夌┅(w臎n)锛岀稉(j墨ng)鎹舵搳瑭﹂(y脿n)閸嶉媴灞や笉鍓濋洟銆佷笉鍑歌捣锛屽苟鍚堥仼銆婇珮閫熷叕璺尝褰㈡閶艰(h霉)娆勩€嬶紙JT/T281-1995锛夐檮閷�C鐨勫妰瀹�銆�(10)componentgalvanizedzinclayershouldbeunibsamplebyetchingofthecoppersulphatesolution,5timesthesamered,andinaccordancewiththeprovisionsofthehighwayguardrail,JT/T281-1995AppendixB;componentgalvanizedzinclayershouldbeandbaseblisfirmlycombinedbyhammeringtestgalvanizedlayernotpeeling,notraised,andinaccordancewiththeprovisionsofthehighwayguardrail,JT/T281-1995AppendixC.The锛�11锛夐崓閶佹(g貌u)浠剁殑閶佸堡鎳�(y墨ng)骞冲潎銆�

     

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