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�