Inā ʻoe e kūʻai ana i ke kumunā kahawai kila Cno kahi papahana kūkulu, ua ʻike paha ʻoe i ka nui o nā ʻokoʻa o ka nui. ʻAʻole wale ka koho ʻana i ka ʻāpana kūpono e pili ana i ka hohonu - ʻo ka laulā o ka flange, ka mānoanoa o ka pūnaewele, a me ke kaumaha no kēlā me kēia kapuaʻi nā mea āpau e pili ana i ka hiki ke ukana, ke kumukūʻai hana, a me ke kaumaha hoʻouna. MaPūʻulu kila aliʻi, hoʻolako mākou i ke kūlana AISCkahawai kila kūkulumai C3 a i C15 a i nā mea kūʻai ma ʻAmelika ʻĀkau, ʻAmelika Latina, a ma ʻō aku. Hōʻuluʻulu kēia alakaʻi i ka ʻikepili dimensional, nā kikoʻī kaumaha, a me nā waiwai kūkulu āu e pono ai e hana i kahi koho hilinaʻi.
Kuhikuhi wikiwiki: Nā nui maʻamau o ke kahawai C
Eia kahi hoʻohālikelike wikiwiki o nā nui a mākou e hoʻouna pinepine aku ai. ʻO kēia nā ʻāpana hana nui āu e ʻike ai i ka hana ʻana o kēlā me kēia lā, nā kākoʻo lako, a me nā kūkulu ʻana o nā trailer.
| Ka nui o ke kahawai | Hohonu (i loko) | Kaumaha (lb/ft) |
| C3 × 4.1 | 3 | 4.1 |
| C4 × 5.4 | 4 | 5.4 |
| C6 × 8.2 | 6 | 8.2 |
| C8 × 11.5 | 8 | 11.5 |
| C10 × 15.3 | 10 | 15.3 |
| C12 × 20.7 | 12 | 20.7 |
Inā ʻoe e hoʻohaiki nei i nā koho, aia ka pakuhi piha ma lalo nei i kēlā me kēia nui maʻamau me ka ʻikepili dimensional piha.
Pakuhi Ana o ke Kahawai AISC C piha
Ua hahai nā ʻāpana a pau ma lalo nei i nā kikoʻī maʻamau o AISC (American Institute of Steel Construction). Ua hoʻokomo pū mākou i nā anakahi imperial a me nā anakahi metric no nā papahana honua.
| Hoʻonohonoho ʻana | Hohonu (i loko) | Ka laulā o ka Flange (in) | Mānoanoa o ka Pūnaewele (i loko) | Kaumaha (lb/ft) | Hohonu (mm) | Ka laulā o ka Flange (mm) | Mānoanoa o ka Pūnaewele (mm) | Kaumaha (kg/m) |
| C3 × 4.1 | 3 | 1.41 | 0.17 | 4.1 | 76.2 | 35.8 | 4.3 | 6.1 |
| C4 × 5.4 | 4 | 1.58 | 0.18 | 5.4 | 101.6 | 40.1 | 4.6 | 8 |
| C5 × 6.7 | 5 | 1.75 | 0.19 | 6.7 | 127 | 44.5 | 4.8 | 10 |
| C6 × 8.2 | 6 | 1.92 | 0.2 | 8.2 | 152.4 | 48.8 | 5.1 | 12.2 |
| C7 × 9.8 | 7 | 2.09 | 0.21 | 9.8 | 177.8 | 53.1 | 5.3 | 14.6 |
| C8 × 11.5 | 8 | 2.26 | 0.22 | 11.5 | 203.2 | 57.4 | 5.6 | 17.1 |
| C9 × 13.4 | 9 | 2.43 | 0.23 | 13.4 | 228.6 | 61.7 | 5.8 | 19.9 |
| C10 × 15.3 | 10 | 2.6 | 0.24 | 15.3 | 254 | 66 | 6.1 | 22.8 |
| C12 × 20.7 | 12 | 2.94 | 0.28 | 20.7 | 304.8 | 74.7 | 7.1 | 30.8 |
| C15 × 33.9 | 15 | 3.4 | 0.4 | 33.9 | 381 | 86.4 | 10.2 | 50.4 |
I ka nānā mua ʻana, uhi nā nui o ke kahawai C maʻamau i:
Hohonu:3 ʻīniha a i 15 ʻīniha (76.2 mm a i 381 mm)
Ka laulā o ka flange:1.41 ʻīniha a i 3.40 ʻīniha (35.8 mm a i 86.4 mm)
Kaumaha:4.1 lb/ft a i 33.9 lb/ft (6.1 kg/m a i 50.4 kg/m)
Nā Nui o ke Kahawai C ma ke Metric
ʻOiai ke hoʻohana nei ka ʻōnaehana hoʻolālā AISC i nā ʻīniha a me nā paona, nui o kā mākou mea kūʻai aku honua - ʻoi aku hoʻi ma ʻEulopa, ka Hikina Waena, a me ʻAsia Hikina Hema - e hana ana ma nā millimeters a me nā kilokani no ka mika. Ua hoʻokomo mua ʻia nā ʻōnaehana ʻelua ma ka pakuhi ma luna no laila hiki iā ʻoe ke kuhikuhi pololei me ka ʻole o ka hana ʻana i ka makemakika iā ʻoe iho.
Inā ʻoe e hana ana ma kahi papahana e kuhikuhi ana i nā nui o ke kahawai metric (e like me nā ʻāpana UPN a i ʻole UPE), he mau ʻano ʻokoʻa kēlā. E kelepona mai i kā mākou hui kūʻai aku a e kōkua mākou iā ʻoe e ʻike i ka mea like loa a i ʻole e kiʻi i ka ʻāpana pololei āu e pono ai.
Nā Waiwai Kūkulu no nā Helu ʻenekinia
No nā noi hāpai ukana, pono ʻoe ma mua o nā ana wale nō. Hōʻike ka papa ma lalo nei i nā waiwai ʻāpana koʻikoʻi a nā ʻenekinia e hoʻohana ai no nā helu kūlou a me ka ʻoki ʻana.
| Hoʻonohonoho ʻana | ʻĀpana (in²) | ʻIx (ʻīniha) | Sx (in³) |
| C3 × 4.1 | 1.21 | 1.77 | 1.18 |
| C4 × 5.4 | 1.59 | 4.47 | 2.23 |
| C5 × 6.7 | 1.97 | 8.72 | 3.49 |
| C6 × 8.2 | 2.41 | 15.4 | 5.14 |
| C7 × 9.8 | 2.88 | 25.1 | 7.18 |
| C8 × 11.5 | 3.38 | 38.5 | 9.62 |
| C9 × 13.4 | 3.94 | 56.5 | 12.6 |
| C10 × 15.3 | 4.49 | 79.1 | 15.8 |
| C12 × 20.7 | 6.08 | 147 | 24.5 |
| C15 × 33.9 | 9.97 | 370 | 49.3 |
ʻO ke ʻano o kēia mau helu:
ʻĀpana (A)— ʻO ka ʻāpana ʻāpana o ke kahawai. He mea pono no ka helu ʻana i ke kaumaha kila holoʻokoʻa a me ka hiki ke kau i ke koʻokoʻo.
Ix (Manawa o ka Inertia)— He ana o ke kū'ē'ē o ka ʻāpana i ke kūlou a puni ke axis ikaika (xx). ʻO ke kiʻekiʻe o nā waiwai, ʻo ia hoʻi nā kaola paʻa.
Sx (Modulus ʻĀpana)— Loaʻa mai Ix, ʻo kēia ka waiwai āu e hoʻokomo ai i nā ʻano hoʻohālikelike hoʻoluhi kūlou (σ = M/S). ʻO ia ke ʻano hoʻohana no ka hoʻonui ʻana i ka nui o nā kaola ma lalo o ke kaumaha kūlou.
Inā ʻoe e hana ana ma kahi hihia ukana kikoʻī a ʻaʻole maopopo iā ʻoe ka ʻāpana e kikoʻī ai, e hoʻouna mai iā mākou i kāu mau helu - hiki i kā mākou hui loea ke nānā pālua a ʻōlelo aku i ka nui kūpono loa.
Ke hoʻomaopopo nei i nā ana o ke kahawai C
He mea kōkua ka ʻike ʻana i ka hana a kēlā me kēia ana ke koho ʻoe i kahi kahawai. Eia kahi wehewehe pōkole:
Ka hohonu (d)— Ke kiʻekiʻe kū pololei o ke kahawai. ʻO kēia ka helu ma ka hoʻolālā (ʻo C6 × 8.2 ke ʻano he 6 ʻīniha ka hohonu). ʻO ka hohonu ka mea hoʻokele nui o ka ikaika kūlou — mālama nā kahawai hohonu i ka ukana nui aʻe ma ka laulā like.
Ka laulā o ka Flange (bf)— ʻO ka laulā o nā flanges luna a me lalo. Hāʻawi nā flanges ākea iā ʻoe i kahi ʻili no nā pilina a hoʻomaikaʻi i ke kūpaʻa ʻaoʻao.
Mānoanoa o ka Pūnaewele (tw)— Ka mānoanoa o ka pūnaewele kū pololei. ʻOi aku ka mānoanoa o nā pūnaewele me ka ikaika ʻoki kiʻekiʻe a me ke kūpaʻa maikaʻi i ka buckling kūloko.
He mea kūpono hoʻi ke kaumaha no ka kapuaʻi (lb/ft) - ʻo ia ke ʻano o kāu kuhi ʻana i ke kumukūʻai holoʻokoʻa o nā mea a me ke kaumaha o ka hoʻouna ʻana no kāu kauoha.
Laʻana: ʻO ka hohonu o kahi kahawai C6 × 8.2 he 6 ʻīniha a he 8.2 paona no ka kapuaʻi ke kaumaha. ʻO kahi lāʻau he 20 kapuaʻi ke kaumaha ma kahi o 164 lbs. E piʻi aʻe i kahi C12 × 20.7, a ʻo ka lōʻihi like he 20 kapuaʻi e hiki mai ana ma kahi o 414 lbs.
Nā Nui o ke Kahawai C maʻamau a me kahi i hoʻohana ʻia ai
ʻAʻole kūpono nā nui āpau i kēlā me kēia hana. Eia ke ʻano o ka hoʻokaʻawale ʻana o ka laulā maʻamau e ka noi:
Nā kahawai liʻiliʻi (C3 - C5): Hana māmā
Nā pale a me nā mea hoʻopaʻa lako
Nā kahua mīkini a me nā pale
Hoʻonohonoho māmā a me ka ʻoki
Nā hale kākoʻo liʻiliʻi
ʻO kēia nā ʻāpana māmā - maʻalahi ke ʻoki a hana, akā ʻaʻole i manaʻo ʻia no nā ukana kaumaha.
Nā kahawai waena (C6 - C8): ʻO kahi ʻono
Nā mōlina kūkulu a me nā purlins
Nā kākoʻo o ka hale a me ka paia
Nā mōlina kino o ke kalaka a me ke kauō
Nā kahua lako a me nā alapiʻi
ʻO kēia kahi e hāʻule ai ka hapa nui o kā mākou mau kauoha. Hoʻokō nā kahawai C6 a me C8 i kahi kaulike maikaʻi ma waena o ka ikaika a me ke kaumaha, e hoʻolilo ana iā lākou i mea maʻalahi no nā ʻano papahana kalepa a me nā ʻoihana like ʻole.
Nā kahawai nui (C10 - C15): Hana kūkulu kaumaha
Nā kolamu hale a me nā mōlina nui
Nā ala hele wāwae ʻoihana a me nā mezzanines
Nā kākoʻo mīkini kaumaha
Hoʻoikaika kino a me ke kākoʻo ʻana
Ke piʻi aʻe ka ukana, e hohonu ʻoe. Hoʻoponopono nā kahawai C12 a me C15 i nā ukana kūlou koʻikoʻi a he mea maʻamau ia i nā kūkulu ʻoihana a me nā papahana ʻoihana.
Pehea e koho ai i ka nui kūpono o ke kahawai C
ʻAʻohe pane hoʻokahi e kūpono i nā mea āpau, akā eia nā kumu e hoʻokele pinepine ai i ka hoʻoholo:
1. Nā koi ukana— Pono nā ukana kaumaha i nā ʻāpana kaumaha. E hoʻomaka me kāu mau helu kūlou a me ke ʻoki ʻana, a laila koho i kahi ʻāpana me ka mānoanoa o Sx a me ka pūnaewele.
2. Ka lōʻihi o ke kīʻaha— Pono nā ʻāpana lōʻihi i nā kahawai hohonu. Inā ʻo ke ana o kāu kaola he 20 kapuaʻi, ʻaʻole paha e ʻoki ka C6 iā ia — pono paha ʻoe iā C10 a ʻoi aku paha.
3. Nā kikoʻī pili— ʻOi aku ka maʻalahi o ka hoʻopaʻa ʻana a me ka hoʻopili ʻana i nā flanges ākea. Inā ʻoe e hoʻohui ana i nā lālā he nui, e noʻonoʻo i ka laulā o ka flanges me ka hohonu.
4. Ka hoʻolālā kālā a me ke kaumaha— ʻOi aku ke kumukūʻai o nā ʻāpana kaumaha no kēlā me kēia kapuaʻi a hoʻohui i nā kumukūʻai hoʻouna. I kekahi manawa hāʻawi kahi kahawai hohonu iki a māmā iā ʻoe i ka ikaika āu e pono ai ma kahi kaumaha haʻahaʻa ma mua o kahi mea pōkole a kaumaha.
Inā ʻoe e hana ana mai kahi hoʻonohonoho o nā kiʻi, e hoʻouna mai iā lākou a e hāʻawi mākou i nā nui kikoʻī āu e pono ai. Inā ʻoe i loko o ke kahua hoʻolālā, hiki i kā mākou hui ke kōkua iā ʻoe e hoʻolālā i ke koho ʻāpana.
Nā nīnau i nīnau pinepine ʻia
1. He aha nā nui o ke kahawai C kila maʻamau?
AISC maʻamauNā kahawai CʻO ke ʻano mai C3 (3 ʻīniha ka hohonu) a hiki i C15 (15 ʻīniha ka hohonu), me ke kaumaha ma kēlā me kēia kapuaʻi e piʻi ana i kou nui.
2. Pehea ʻoe e heluhelu ai i ka nui o ke kahawai C e like me C8 × 11.5?
ʻO ka helu mua ka hohonu maʻamau i nā ʻīniha, a ʻo ka lua ke kaumaha no kēlā me kēia kapuaʻi i nā paona. No laila, ʻo C8 × 11.5 ke ʻano he kahawai hohonu 8-ʻīniha e kaupaona ana he 11.5 lb/ft.
3. ʻEhia ke kaumaha o ke kahawai C no kēlā me kēia kapuaʻi?
Aia nō ia i ka nui. Ma ka ʻaoʻao māmā, ʻo ke kaumaha o ka C3 ma kahi o 4.1 lb/ft. Ma ka ʻaoʻao kaumaha, ʻo ka C15 he 33.9 lb/ft. Hōʻike ka pakuhi piha ma luna i ke kaumaha no kēlā me kēia nui maʻamau.
4. He aha nā ana o ke kahawai C ma nā ʻīniha?
Ua kuhikuhi ʻia nā kahawai C maʻamau o US ma nā ʻīniha - ua ana ʻia ka hohonu, ka laulā o ka flange, a me ka mānoanoa o ka pūnaewele ma nā ʻīniha, me ke kaumaha i hōʻike ʻia ma nā paona no ka kapuaʻi.
5. Ke hoʻolako nei ʻoe i nā kahawai C i nā nui metric?
Loaʻa iā mākou nā kahawai C AISC-standard (imperial), akā hāʻawi mau mākou i nā hoʻololi metric a hiki ke kiʻi i nā ʻāpana kahawai metric (UPN, UPE, a pēlā aku) no nā papahana honua. E haʻi mai iā mākou i kāu mea e pono ai a e hoʻonohonoho mākou i kahi kumukūʻai.
Ua mākaukau ʻoe e loaʻa nā kahawai C no kāu papahana?
Pūʻulu kila aliʻinā lakoNā kahawai C kila AISC-maʻamauma nā nui maʻamau āpau, me ke kumukūʻai pololei mai ka wili a me ka hoʻouna ʻana i nā ʻāina honua i nā ʻāina he 80 a ʻoi. Inā makemake ʻoe i hoʻokahi pūʻolo a i ʻole kahi pahu piha, e kiʻi mākou iā ʻoe i nā mea kūpono ma ke kumu kūʻai hoʻokūkū.
[E noi i kahi ʻōlelo kūʻai →] a i ʻole leka uila i kā mākou hui kūʻai aku maadmin@royalsteelgroup.comme kou nui, ka nui, a me ke awa hoʻouna. Pane pinepine mākou i loko o 24 mau hola.
Ka manawa hoʻouna: Aug-10-2026