Ƙimar aikin Bolt

Bolt yi sa, wato aron kusa yi sa ga karfe tsarin haɗin gwiwa, an raba fiye da 10 maki, kamar 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc.Bolt yi ƙarfin sa lakabin da darajar da belun kunne na biyu sassa, wanda ba tare da girmamawa ga ƙarfin sa rabo wakiltar biyu sassa, wanda ba tare da girmamawa ga ƙarfin sa rabo da darajar. abu.

Ma'anar ma'anar aikin bolt shine ma'auni na duniya gabaɗaya, ƙwanƙwasa nau'in wasan kwaikwayo iri ɗaya, ba tare da la'akari da bambancin kayansa da asalinsa ba, aikin sa iri ɗaya ne, ƙirar za ta iya zaɓar darajar aikin kawai.

Ƙarfin ƙarfin 8.8 da girman 10.9 yana nufin matakin damuwa na shearing na bolt shine 8.8 GPa da 10.9 GPa 8.8 mara kyau na ƙarfin ƙarfin 800 n / 640 n ya kasance mafi ƙarancin yawan amfanin ƙasa ƙarfin kusoshi / ya kasance gaba ɗaya an bayyana a cikin "XY" ƙarfi, X * 000 ƙarfi, X * 000. 10) = Ƙarfin Ƙarfin Ƙarfin Ƙarfin (kamar yadda aka tsara a cikin tambarin: Ƙarfin Ƙarfin Ƙarfin Ƙarfi = Y / 10, wato 0. Y ya nuna) kamar girman 4.8, Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin: 400 mpa A2-70, ma'ana in ba haka ba bayyana ma'auni: tsawon ma'auni naúrar a duniya a yau akwai biyu main iri, daya ga metric tsarin, da ma'auni naúrar ne mita (m), centimeters (cm), mm (mm), da dai sauransu, a Turai, Sin da Japan da sauran kudu maso gabashin Asiya amfani ne mafi, wani kuma Turanci, da ma'auni naúrar ne yafi na inci (inch), ana amfani da Birtaniya da kuma sauran kasashen Amurka. Ma'aunin tsarin awo: 1m = 100 cm = 1000 mm2, ma'aunin tsarin Ingilishi: (8) 1 inch = 8 ints 1 inch = 25.4 mm

Bolts da aka yi amfani da su don haɗin gine-ginen ƙarfe suna da fiye da maki 10, ciki har da 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9 da 12.9.Bolt yi sa lakabin ya ƙunshi sassa biyu, wanda bi da bi wakiltar maras muhimmanci tensile rabo rabo da lankwasa ƙarfi. 4.6, wanda ke nufin:
1. Ƙarfin ƙarancin ƙima na kayan kwalliya ya kai 400MPa;
2. Ƙarfin ƙarfin lanƙwasa kayan abu shine 0.6;
3. Ƙarfin yawan amfanin ƙasa na abin rufewa ya kai 400 × 0.6 = 240MPa aji
Matsayin aiki na 10.9 mai ƙarfi mai ƙarfi, kayan sa bayan jiyya mai zafi, na iya cimma:
1. Ƙarfin ƙarancin ƙima na kayan kwalliya ya kai 1000MPa;
2. Ƙarfin lanƙwasawa na kayan ƙwanƙwasa shine 0.9;
3. Ƙarfin ƙididdiga na ƙididdiga na kayan abu ya kai 1000 × 0.9 = 900MPa aji