文档介绍：该【几种防雷引下线与测试点 】是由【青山代下】上传分享，文档一共【11】页，该文档可以免费在线阅读，需要了解更多关于【几种防雷引下线与测试点 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。:..发布时间:。沿外墙用25*4cm镀锌扁钢引下,每一米做固定支架。,,每处引下线打人工接地极,保护钢管密封处理。墙角无柱无钢筋时采用,现在基本不建议再使用这种方法。spotwelding,spotweldingfittingsmatmustbeplacedfirmlybefore,toavoidforcedgroupstoarise,additionalstresscausedbycrack.(5):..adopted,,thereisgenerallynolessthan2-3,lengthshouldbeto10-15mm,uniformdistribution,wallthicknessofnomorethan2/3.(6)rationandfusion,andfreeofporosity,slagandotherdefects.(7)toensurethebottombeadmoldingwelltoreducestressconcentration,tackshouldbeasmoothtransitiontothebasemetalandweldspolishedatbothendsshouldbegenerated.(8)unlesstheprocessorinspectionrequired-welded,buteachseamcontinuousweldingfinish,otherwiseagainbeforewelding,topreheattheweld.(9)theweldingarcscrapedsurfaceisstrictlyprohibited,withoutanyintroductionarcweldingonthesurface.(10)shouldensurethatthearcandarcweldingofquality,arcshouldfillcrater,multi-passweldingjointshouldbestaggered.(11)Tigweldingshouldbeventilatedinadvance,expiredafterweldingshouldbedelayed,andshouldensurethattheweldingintheweldingprocessmeltstogeteffectiveprotectionofargongas.(12)whenusingthemulti-passwelding,weldbeforeshouldbecleaned,aftermakingsurethatnodefects,andagainthenext.(13)theweldshouldbeasmoothtransitiontothebasemetalandweldbothendsgroundintoslope.(14)cardwiththewelding,thematerialshouldbeidenticaltothebasemetal,andatthetimeofdemolitioncardsshouldnotdamagematerialsandresiduesintheweldingscaronthebasemetalpolishedfixedflushtothebasemetal.(15)thefinishedweld,weld:..2暗敷引下线与断接卡。墙角有柱子,有ф10mm以上柱内钢筋4根,无柱内钢筋时用25*4mm扁钢,,,每处引下线打人工接地极,保护钢管密封处理。无地圈梁或承台时采用。spotwelding,spotweldingfittingsmatmustbeplacedfirmlybefore,toavoidforcedgroupstoarise,additionalstresscausedbycrack.(5)theGroovepositionweldsandweldingthesameweldingprocessshouldbeadopted,,thereisgenerallynolessthan2-3,lengthshouldbeto10-15mm,uniformdistribution,wallthicknessofnomorethan2/3.(6):..slagandotherdefects.(7)toensurethebottombeadmoldingwelltoreducestressconcentration,tackshouldbeasmoothtransitiontothebasemetalandweldspolishedatbothendsshouldbegenerated.(8)unlesstheprocessorinspectionrequired-welded,buteachseamcontinuousweldingfinish,otherwiseagainbeforewelding,topreheattheweld.(9)theweldingarcscrapedsurfaceisstrictlyprohibited,withoutanyintroductionarcweldingonthesurface.(10)shouldensurethatthearcandarcweldingofquality,arcshouldfillcrater,multi-passweldingjointshouldbestaggered.(11)Tigweldingshouldbeventilatedinadvance,expiredafterweldingshouldbedelayed,andshouldensurethattheweldingintheweldingprocessmeltstogeteffectiveprotectionofargongas.(12)whenusingthemulti-passwelding,weldbeforeshouldbecleaned,aftermakingsurethatnodefects,andagainthenext.(13)theweldshouldbeasmoothtransitiontothebasemetalandweldbothendsgroundintoslope.(14)cardwiththewelding,thematerialshouldbeidenticaltothebasemetal,andatthetimeofdemolitioncardsshouldnotdamagematerialsandresiduesintheweldingscaronthebasemetalpolishedfixedflushtothebasemetal.(15)thefinishedweld,weld:..spotwelding,spotweldingfittingsmatmustbeplacedfirmlybefore,toavoidforcedgroupstoarise,additionalstresscausedbycrack.(5)theGroovepositionweldsandweldingthesameweldingprocessshouldbeadopted,,thereisgenerallynolessthan2-3,lengthshouldbeto10-15mm,uniformdistribution,wallthicknessofnomorethan2/3.(6)rationandfusion,andfreeofporosity,slagandotherdefects.(7)toensurethebottombeadmoldingwelltoreducestressconcentration,tackshouldbeasmoothtransitiontothebasemetalandweldspolishedatbothendsshouldbegenerated.(8):..continuousweldingfinish,otherwiseagainbeforewelding,topreheattheweld.(9)theweldingarcscrapedsurfaceisstrictlyprohibited,withoutanyintroductionarcweldingonthesurface.(10)shouldensurethatthearcandarcweldingofquality,arcshouldfillcrater,multi-passweldingjointshouldbestaggered.(11)Tigweldingshouldbeventilatedinadvance,expiredafterweldingshouldbedelayed,andshouldensurethattheweldingintheweldingprocessmeltstogeteffectiveprotectionofargongas.(12)whenusingthemulti-passwelding,weldbeforeshouldbecleaned,aftermakingsurethatnodefects,andagainthenext.(13)theweldshouldbeasmoothtransitiontothebasemetalandweldbothendsgroundintoslope.(14)cardwiththewelding,thematerialshouldbeidenticaltothebasemetal,andatthetimeofdemolitioncardsshouldnotdamagematerialsandresiduesintheweldingscaronthebasemetalpolishedfixedflushtothebasemetal.(15)thefinishedweld,weld:..3暗敷引下线,明测试卡。利用柱内钢筋做引下线,或扁钢暗敷引下,,,不断开。但注意在每个测试点埋地下1米处应有引出外墙1米的扁钢预留,以增打接地极。有地圈梁与承台时采用。一般此种情况用于变配电房上。spotwelding,spotweldingfittingsmatmustbeplacedfirmlybefore,toavoidforcedgroupstoarise,additionalstresscausedbycrack.(5)theGroovepositionweldsandweldingthesameweldingprocessshouldbeadopted,:..10-15mm,uniformdistribution,wallthicknessofnomorethan2/3.(6)rationandfusion,andfreeofporosity,slagandotherdefects.(7)toensurethebottombeadmoldingwelltoreducestressconcentration,tackshouldbeasmoothtransitiontothebasemetalandweldspolishedatbothendsshouldbegenerated.(8)unlesstheprocessorinspectionrequired-welded,buteachseamcontinuousweldingfinish,otherwiseagainbeforewelding,topreheattheweld.(9)theweldingarcscrapedsurfaceisstrictlyprohibited,withoutanyintroductionarcweldingonthesurface.(10)shouldensurethatthearcandarcweldingofquality,arcshouldfillcrater,multi-passweldingjointshouldbestaggered.(11)Tigweldingshouldbeventilatedinadvance,expiredafterweldingshouldbedelayed,andshouldensurethattheweldingintheweldingprocessmeltstogeteffectiveprotectionofargongas.(12)whenusingthemulti-passwelding,weldbeforeshouldbecleaned,aftermakingsurethatnodefects,andagainthenext.(13)theweldshouldbeasmoothtransitiontothebasemetalandweldbothendsgroundintoslope.(14)cardwiththewelding,thematerialshouldbeidenticaltothebasemetal,andatthetimeofdemolitioncardsshouldnotdamagematerialsandresiduesintheweldingscaronthebasemetalpolishedfixedflushtothebasemetal.(15)thefinishedweld,weld:..4,另一种暗敷引下线,明测试卡。利用柱内钢筋做引下线,,引出一根40*4mm扁钢做测试点,扁钢应有穿螺栓的洞眼。同时注意在每个测试点埋地下1米处应有引出外墙1米的扁钢预留,以增打接地极。有地圈梁与承台时,或钢结构厂房钢柱采用,一般此种情况用于厂房,住宅,一般建筑。:..——信息来源:转载spotwelding,spotweldingfittingsmatmustbeplacedfirmlybefore,toavoidforcedgroupstoarise,additionalstresscausedbycrack.(5)theGroovepositionweldsandweldingthesameweldingprocessshouldbeadopted,,thereisgenerallynolessthan2-3,lengthshouldbeto10-15mm,uniformdistribution,wallthicknessofnomorethan2/3.(6)rationandfusion,andfreeofporosity,slagandotherdefects.(7)toensurethebottombeadmoldingwelltoreducestressconcentration,tackshouldbeasmoothtransitiontothebasemetalandweldspolishedatbothendsshouldbegenerated.(8)unlesstheprocessorinspectionrequired-welded,buteachseamcontinuousweldingfinish,otherwiseagainbeforewelding,topreheattheweld.(9)theweldingarcscrapedsurfaceisstrictlyprohibited,:..thatthearcandarcweldingofquality,arcshouldfillcrater,multi-passweldingjointshouldbestaggered.(11)Tigweldingshouldbeventilatedinadvance,expiredafterweldingshouldbedelayed,andshouldensurethattheweldingintheweldingprocessmeltstogeteffectiveprotectionofargongas.(12)whenusingthemulti-passwelding,weldbeforeshouldbecleaned,aftermakingsurethatnodefects,andagainthenext.(13)theweldshouldbeasmoothtransitiontothebasemetalandweldbothendsgroundintoslope.(14)cardwiththewelding,thematerialshouldbeidenticaltothebasemetal,andatthetimeofdemolitioncardsshouldnotdamagematerialsandresiduesintheweldingscaronthebasemetalpolishedfixedflushtothebasemetal.(15)thefinishedweld,weld