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Iposi elinomumo ongu-H
Ukwelashwa kobuso kufakwe nge-hot dip galvanized, ukuze kulandelwe i-AASHTO M232 kanye nezinga elifanayo njenge-AASHTO M111, EN1461 njll.
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Izesekeli
Amabhawodi achazwe ku-ANSI B1.13M ngokubekezelelana kwebanga lesi-6 g. Izinto zebhawodi zihambisana ne-ASTM F568M yekilasi lesi-4.6. Izinto zamabhawodi amelana nokugqwala zihambisana ne-ASTM F 568M yekilasi lesi-8.83. Ukwelashwa kwendawo kufanele kulandele i-AASHTO M232.
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Iposi eliyindilinga
Insika ifakwa emagcekeni, ukuze iqinise futhi isekele uthango. Inganciphisa amandla okushaya ngesikhathi ingozi ikhula.
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Okuthunyelwe okunesimo se-U
Umsebenzi oyinhloko ukulandela i-AASHTO M180, GB-T 31439.1-2015 kanye ne-EN1317 standard.
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Isiphetho setheminali
Izinto zokwakha lokho ikakhulukazi yi-Q235B (S235Jr amandla okukhiqiza angaphezu kuka-235Mpa) kanye ne-Q345B (S355Jr amandla okukhiqiza angaphezu kuka-345Mpa).
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Iposi elinomumo we-C
Ukuze kube nobukhulu be-guardrail ikakhulukazi kusukela ku-4.0mm kuya ku-7.0mm noma kulandelwe izidingo zamakhasimende.
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I-guardrail ye-thrie beam
I-guardrail ngokuyinhloko ilandela i-AASHTO M180, GB-T 31439.1-2015 kanye ne-EN1317 standard.
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I-W-Beam Guardrail
Izinto zokwakha lokho ikakhulukazi yi-Q235B (S235Jr amandla okukhiqiza angaphezu kuka-235Mpa) kanye ne-Q345B (S355Jr amandla okukhiqiza angaphezu kuka-345Mpa).
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Isithiyo Sokugoqa Ukuphepha
Uhlelo lokuvimbela ama-roller omgwaqo omkhulu olwenzelwe ukumunca amandla omthelela nokunciphisa izingozi ezinkulu. Ama-roller ajikelezayo aqondisa izimoto emuva emgwaqweni, anciphisa umonakalo kanye nengozi yokugudluka. Asetshenziswa kabanzi kuma-curve, ama-median, kanye nezingxenye zomgwaqo ezinobungozi obukhulu ukuze kuthuthukiswe ukuphepha kwethrafikhi.
