Gabatarwa na Larsen karfe takardar tari

MeneneLarsen karfe takardar tari?
A shekara ta 1902, wani injiniya dan kasar Jamus mai suna Larsen ya fara samar da wani nau'in tulin karfe mai siffar U da makullai a bangarorin biyu, wanda aka yi nasarar amfani da shi a aikin injiniya, kuma ana kiransa "Larsen Sheet Pile"Bayan sunansa. A zamanin yau, an san Larsen karafa a duk duniya kuma an yi amfani da shi sosai a cikin tallafin ramin tushe, injiniyoyin injiniyoyi, kariyar ambaliyar ruwa da sauran ayyukan.

Larsen karfe takardar tari ne na kasa da kasa na kowa misali, irin Lassen karfe takardar tari samar a kasashe daban-daban za a iya gauraye a cikin wannan aikin. Matsayin samfurin Larsen karfe takardar tari ya yi bayyananne tanadi da buƙatu a kan giciye-sashe size, kulle style, sinadaran abun da ke ciki, inji kaddarorin da kuma dubawa matsayin kayan, da kuma kayayyakin dole ne a duba sosai a masana'anta. Saboda haka, Larsen karfe takardar tari yana da kyau ingancin tabbaci da inji Properties, kuma za a iya amfani da akai-akai a matsayin juya abu, wanda yana da irreplaceable abũbuwan amfãni a tabbatar da ingancin gini da kuma rage aikin farashin.

 

Nau'o'in tarin tulin karfen Larsen

Dangane da fadin sashe daban-daban, tsawo da kauri, Larsen karfe sheet tara za a iya raba zuwa daban-daban model, da tasiri nisa na guda tari na karfe takardar da aka saba amfani da yafi uku bayani dalla-dalla, wato 400mm, 500mm da 600mm.
Za'a iya samar da tsayin tensile mai tsayi da kuma samar gwargwadon aikin aikin, ko ana iya yanka su cikin tabarbarewa ko welded cikin tara. Lokacin da ba zai yiwu a yi jigilar dogayen tulin karfen zuwa wurin aikin ba saboda ƙarancin ababen hawa da hanyoyi, za a iya ɗaukar tulin nau'in iri ɗaya zuwa wurin aikin sannan a yi walda a tsawaita.
Larsen karfe takardar tari abu
Dangane da ƙarfin yawan amfanin ƙasa na kayan, ma'auni na kayan aikin ƙarfe na Larsen wanda ya dace da ƙa'idodin ƙasa sune Q295P, Q355P, Q390P, Q420P, Q460P, da sauransu, kuma waɗanda suka dace da ma'aunin JafanSY295, SY390, da sauransu. Nau'o'i daban-daban na kayan, ban da nau'ikan sinadarai, ana iya yin walda da tsayi. Daban-daban maki na kayan ban da daban-daban sinadaran abun da ke ciki, da inji sigogi ma daban-daban.

Yawan amfani da Larsen karfe takardar tari maki maki da inji sigogi

Daidaitawa	Kayan abu	Bayar da damuwa N/mm²	Ƙarfin jujjuyawar N/mm²	Tsawaitawa %	Ayyukan sha na tasiri J (0℃)
JIS A5523 (JIS A 5528)	SY295	≥295	≥490	≥17	≥43
	SY390	≥390	≥540	≥15	≥43
GB/T 20933	Q295P	≥295	≥390	≥23	--
	Q390P	≥390	≥490	≥20	--