Me yasa yawancinsu sukebututun ƙarfeMita 6 a kowace yanki, maimakon mita 5 ko mita 7?
A kan odar sayen ƙarfe da yawa, sau da yawa muna ganin: "Tsawon da aka saba yi wa bututun ƙarfe: mita 6 a kowane yanki."
Misali, bututun da aka yi da walda, bututun galvanized, bututun murabba'i da murabba'i, bututun ƙarfe marasa shinge, da sauransu, galibi suna amfani da mita 6 a matsayin tsayin yanki ɗaya na yau da kullun. Me zai hana a yi amfani da mita 5 ko mita 7? Wannan ba wai kawai "dabi'a" ce ta masana'antu ba, amma sakamakon abubuwa da yawa.
Mita 6 ita ce kewayon "tsawon da aka ƙayyade" ga yawancin bututun ƙarfe
Ma'auni da yawa na ƙarfe na ƙasa (misali, GB/T 3091, GB/T 6728, GB/T 8162, GB/T 8163) sun bayyana a sarari cewa: Ana iya samar da bututun ƙarfe a tsayin da aka ƙayyade ko wanda ba a ƙayyade ba.
Tsawon da aka ƙayyade na yau da kullun: 6m ± haƙuri. Wannan yana nufin mita 6 shine tsayin tushe da aka fi sani a duk faɗin ƙasar kuma ya fi shahara.
Tabbatar da Kayan Aikin Samarwa
Layukan samar da bututun da aka haɗa da walda, na'urorin samar da bututun murabba'i da murabba'i, injinan zana sanyi, injinan daidaita bututun, da tsarin tsawon da aka ƙera na bututun mai zafi—mita 6 shine tsayin da ya fi dacewa ga yawancin layukan samar da bututun mai birgima da bututun mai birgima. Hakanan shine tsayi mafi sauƙi don sarrafawa don samar da tsayayyen samarwa. Tsawon da ya wuce kima yana haifar da: tashin hankali mara ƙarfi, wahalar naɗewa/yankewa, da girgizar layin sarrafawa. Gajeren tsayi yana haifar da raguwar fitarwa da ƙaruwar sharar gida.
Takaita zirga-zirga
Bututun mita 6:
- Guji manyan ƙuntatawa
- Kawar da haɗarin sufuri
- Ba a buƙatar izini na musamman ba
- Sauƙaƙa lodawa/saukewa
- Tayin mafi ƙarancin farashi
Bututun mita 7-8:
- Ƙara sarkakiyar sufuri
- Ƙara haɗarin girma
- Ƙara yawan kuɗaɗen sufuri sosai
Mita 6 ya fi dacewa don gini: ƙarancin sharar gida, yankewa mai sauƙi, da buƙatun sassa na gama gari bayan yankewa (m 3, m 2, m 1).
Yawancin yanayin shigarwa da sarrafawa suna buƙatar sassan bututu tsakanin mita 2-3.
Za a iya yanke tsawon mita 6 daidai zuwa sassa 2 × 3 m ko 3 × 2 m.
Tsawon mita 5 sau da yawa yana buƙatar ƙarin ƙarin aikin walda don ayyuka da yawa;
Tsawon mita 7 yana da wahalar ɗauka da ɗagawa, kuma yana da sauƙin lanƙwasawa.
Tsawon mita 6 ya zama mizani mafi yawan gaske ga bututun ƙarfe saboda yana cika a lokaci guda: ƙa'idodin ƙasa, dacewa da layin samarwa, sauƙin sufuri, amfani da kayan gini, da rage farashi.
Lokacin Saƙo: Disamba-02-2025
