Osisi I-ákwà. Nkọwa, ngwa

Modern Nsukka nke kwa ụbọchị nye anụ ụlọ ahịa nke ụlọ ihe a nnukwu iche iche nke àgwà ngwaahịa, gụnyere na-adịbeghị anya na-amụba na-ewu ewu malitere imeri I-ibé, nke nwere pụrụ iche cross-sectional udi. The ọrụ nke isi na-arụ a plywood (ya bụ, preform OSB), nke a na-glued n'etiti Ogwe. Structural bonding a rụrụ iji a pụrụ iche nrapado maka osisi ihe na-arụ ọrụ n'okpuru oké ibu. I-doo, teknuzu e ji mara ya ga-atụle n'okpuru, na-ezo aka ndị ndú nke kasị oge a na oru oma ụlọ aghụghọ.

Atụmatụ I-doo

I-doo nkọwa nwere zuru ezu elu. Ruru ya pụrụ iche imewe, a ewu ihe owuwu na-aghọ elu etoju nke na-eguzogide ya na isi, nke na-eme ka o kwere omume na ya iji na ebe ibu.

The ojiji nke I-ibé

N'ihi na eziokwu na m na-doo nkọwa bụ nnọọ mma, ọ e ji mee nke ọma:

• ke imewe nke n'uko;
• dị ka ihe bụ isi na mmewere na-ewu ala;
• Arịọnụ mansard usoro;
• maka owuwu nke ụlọ;
• n'oge erection nke etiti Ọdịdị;
• dị ka a scaffold maka formwork usoro (formwork girder).

Na nke ọ bụla embodiments n'itinye ewu ihe owuwu na-eje ozi dị ka ndị bụ isi mmewere, n'ihi na ọ na-anabata nke bukwanu ibu.

Ike itinye ihe nke ndị na-ewu nke ọgbọ ọhụrụ ga-emepe a ọnụ ọgụgụ dị ukwuu nke na atụmanya na-ewu ụlọ ọrụ na-enyere dozie ọtụtụ nsogbu ndị a na-gburugburu ebe obibi, elu na-eri nke ihe, elu na-eri, na enweghị oge ka a unit.

Osisi I-ibé: e ji mara na atụmatụ

Ọ bụla nke ụlọ ọcha nwere ike ji dị ka a nti na a na-ezighị ezi n'akụkụ. Na m na-ibé osisi nwere ọtụtụ ọghọm, Otú ọ dị, nwere ọtụtụ uru ọ na-enye ohere uru igbunye ihe n'etiti ndị ọzọ.

I-ibé nwere ndị na-esonụ nkọwa:

• The ike idi nnukwu ibu. Nke a na-eme ka e ji mara m ekara cross ngalaba ebe ụba e ji mara tụnyere akụkụ anọ ma ọ bụ okirikiri cross ngalaba. Ke adianade do, m-ibé, teknuzu e ji mara nke nwere nnukwu ibu ikike, nwere ike a dịgasị iche iche nke nha, na-eme ka o kwe omume iji họrọ kacha n'ogologo ekpuchi a nnukwu na-adịru.
• Simple nwụnye usoro. N'ihi na pụrụ iche imewe nke ngwaahịa na a obere uka nwere ike ngwa ngwa na n'ụzọ dị mfe ịrụ nzukọ ọrụ n'ejighị eweli ngwaọrụ. Ibu m-ibé bụ budata obere karịa nke ihe ma ọ bụ dara isiokwu, n'ihi nke a, na-arụ ọrụ dị otú ahụ na ihe budata dị ọnụ ala karịa na mfe.
• Echekwa feasibility. N'ihi na dịtụ ala elu nke ngalaba nke I- joists osisi iwesa ọzọ ufat.
• The ala ozo nke kwes conductivity. Jiri ya tụnyere ihe ngwaahịa nke nchara ma ọ bụ mesikwuru ihe, osisi owuwu ejigide okpomọkụ na gbochie penetration nke oyi.

The akụkụ nke ihe onwunwe na-eme ka ya mfe aka ibu ma na-enye ndị ọzọ pụrụ iche teknuzu atụmatụ, n'ihi na nke na-adịte ọrụ na kasị elu ibu na m na-ibé adịghị agbanwe ya geometrical kwa, adịghị akpata deformation na cracking, nke budata gbatịrị ndụ nke ihe owuwu ahụ n'onwe ya.

M doo: oru nkọwa

Pụrụ iche oru e ji mara nke ihe onwunwe pụrụ apụta naanị ma ọ bụrụ na kwesịrị ekwesị na-eji ha na-ewu na nnabata na-arụ ọrụ iwu. Tupu ị na-ewu yitewere kwesịrị ime ka nri ngụkọta oge nke m na-doo cross-ngalaba na akụkụ, akụkụ ahụ na ibu (ewere n'ime akaụntụ ya), nri na-ahọrọ kwesịrị ekwesị nkwado na gwara ọcha.

M doo (I-doo) dị na GOST na STO AISU ọkọlọtọ na-usoro dị ka ndị a: GOST - 26020-83 ụgbọ AISU 20-93.

Gịnị ga-atụle mgbe wụnye I-ibé

Ahụmahụ na-ewu ụlọ ma na kpuchie a aba na-adịru nwere ike ịchọ ibé na nnukwu cross-ngalaba - ya mere na-ewu anaghị ehulata n'okpuru ibu. Chọrọ n'oge echichi nke overlapping ngwaọrụ na-n'uche na dị ka a n'ihi nke-ekwe isi ibu agha ime ihe na-arụ ọrụ mkpanaka ala belt tumadi na ndinyanade mbịne. Ọ bụrụ na mgbidi na-adịghị gbakọọ ma ọ bụ atụmatụ gosi na-ekwesịghị ịdị, n'ihi ekwe, ha ga-efunahụ ha kwụsie ike, na n'ala ga-ogbenye mma, "na-egwu". Mee mgbawa ma zere n'ọdịnihu Ikuku H-ibé nwere ike ịbụ naanị na a ọkachamara.