Mun taimaka duniya girma tun 1983

Scaffolding Standard material, me yasa muka zabi Q355.

Abokan ciniki da yawa suna tambayata game da kayan na misali, da abokai da yawa waɗanda suka sayi lockirƙirar ringlock ba ku san dalilin da yasa muke amfani da Q355 (Q345) a cikin zaɓin abin da ke cikin mizanin ba, kuma akwai mizani da yawa tare da hatimin karfe na Q355 da aka zana a kasuwa, amma gauraye da kayan Q235. Ga abin da ke sama, munaSaurin Scaffolding (Injiniya) Co., Ltd.., A matsayina na babban edita na "takamaiman bayani kan fasahar tsaron kasar Sin", zai baku damar yin nazari daga mahangar gini, don bayyana matsalolin "Q235 kayan misali"!

Da farko dai, bari inyi bayanin menene ma'anar Q355 da Q235.

Q345 (Q355) wani nau'in karafa ne, mai karamin gami ne. Ana amfani dashi sosai a cikin Bridges, ababen hawa, jiragen ruwa, gine-gine, tasoshin matsewa, kayan aiki na musamman, da dai sauransu. "Q" na nufin karfin amfaninta, kuma 345 na nufin karfin karfin wannan karfe shine 345MPa.

Q235 talakawa carbon tsarin karfe kuma ana kiransa karfe A3.Kamon carbon tsarin karfe-bayyane farantin wani nau'in karfe ne.Q yana wakiltar iyakar yawan amfanin wannan nau'in, kuma 235 a baya yana nufin amfanin amfanin wannan nau'in. abu, wanda yake kusan 235MPa.

Idan daidaitaccen kayan aikin zoben zoben ringi shine Q235, ƙarfin ɗaukar shi kawai 87% na na Q355. bearingarfin ɗaukar ma'auni na daidaitaccen yawanci 90% na damar ɗaukar nauyi, wato 47.4kN. Idan abu na daidaitaccen an canza shi zuwa Q235, ƙimar ƙira / damar ɗaukar nauyi na daidaitaccen shine = 47.4 / 46.1 = 103%, wanda ya zarce ƙarfin ɗaukar nauyi kuma yana da haɗarin haɗari na aminci.

Kamar yadda dukkanmu muka sani, aikin injiniyan kere kere yana daya daga cikin manyan tushe guda goma na hadari a cikin injiniyan gini, kuma mizanin shine mahimmin sandar karfi a cikin tsarin zoben zoben zobe, don haka a zabi na kayan, dole ne muyi cikakken bincike!


Post lokaci: Apr-27-2021