Rafter - ib tug ... Yuav ua li cas yog lub rafter thiab qhov chaw uas nws yog siv?

Rafter - ib feem ntawm cov nyiaj them yug system ntawm ib tug pitched ru tsev, uas yog tsis siv nyob rau hauv ib daim ntawv, thiab yog siv raws li ib tug truss siv. Qhov no yog ib feem muaj ntsug posts, sloping rafters thiab zij struts. Yog hais tias tsim nyog, lub rafters yog kev ntxiv zog rau lub hauv qab ntawm ib tug podstropilnym kab teeb.

Yuav ua li cas yog lub rafter

Rafter - lub caij uas yog lub hauv paus rau tag nrho lub cev, nws muaj ib tug zij struts, angled rafters thiab uprights. Cov kev pab txhawb nqa yog nqa tawm nyob rau hauv cov ntoo cav vaj tse nyob rau hauv lub crowns. Tab sis thaum nws los txog rau xwm vaj tse, cov kabmob no yog ua nyob rau saum toj ntawm lub sam xauv nees, thaum lub pob zeb tsev muaj teev nyob rau mauerlat uas sawv cev rau lub laug cam tshaj plaws thickness ntawm 160 hli. Mauerlat yuav positioned raws qhov ntev ntawm lub tsev los yog yuav tsuas yog ib rafter ko taw. Nyob rau hauv lub rooj plaub uas lub truss ceg muaj ib tug seem dav ntawm lub me ntsiab sag nrog lub sij hawm. Nyob rau hauv thiaj li yuav tshem tawm qhov tshwm sim, nws yog tsim nyog los siv lub hniav nyiaj hniav kub, uas yog ib feem ntawm struts, tug ncej thiab kab teeb.

Rau kev zawm hniav thiab kab teeb yog siv cov laug cam uas nws dav yuav ua tau 150 mm, thaum lub thickness yog 25 hli. Yuav kom txhim kho tau qhov rafter siv zawm, uas txuas lub sab ib feem ntawm lub rafters. Thaum zawv zawg rau lub zawm lub caij tej zaum yuav tsis tau lub sam xeeb kawg. Nyob rau hauv kev txiav txim kom tsis txhob slipping, truss ceg yuav tsum tau ntxiv dag zog rau nrog zawm los ntawm notching. Rafters yuav tsum tau muab tshem tawm los ntawm lub npoo 400 mm.

qhov yuav tsum tau siv

Tag nrho cov no yog siv los mus muab rau ib tug zoo-ru tsev stability nyob rau hauv siab loads. Nyob rau hauv qhov tsim nyog tau ntawm lub-ru tsev nws acquires lub thaj chaw ntawm kev ntseeg tau thiab rafters hloov lub load ntawm tus luj ntawm lub tag nrho qhov system, thiab daus rau lub tsev sab hauv them nyiaj yug. Yog hais tias lub tsev muaj ib tug me me luv, siv naslonnye rafters. Yog hais tias muaj yog tsis muaj intermediate txhawb, nws yog tsim nyog los koom nrog qhov kev siv ntawm dai rafters.

Qhov twg yog qhov rafters

Rafter - lub caij uas yog ib feem ntawm ib tug loj system rau hardening ntawm lub-ru tsev. Nyob ntawm seb dab tsi tsim nta yuav muaj lub ru tsev, siv txawv truss system. Nrog rau tam sim no siv rau ntawm lub rafters thiab vov tsev systems raws li ib tug tag nrho yuav tsum tau raws li tej yam uas yuav tsum tau, nrog rau lawv:

• practicality;
• tsawg installation cov nqi thiab ntau lawm;
• durability;
• lub dag lub zog;
• yooj yim installation;
• functionality; kom zoo nkauj.

Rafter - lub caij uas yuav tau siv nyob rau hauv kev tsim kho ntawm uni-directional, lis thiab tawg ru tsev. Cov ntsiab yog tam sim no nyob rau hauv lub ru tsev Sudeikin. Nyob rau hauv thawj cov ntaub ntawv, lub rafters nyob rau hauv daim ntawv ntawm cov kab teeb, lawv cov kabmob yog nqa tawm nyob rau hauv cov phab ntsa, feem ntau heev nws ua rau lub ru tsev ntawm lub exploited. Lub-ru tsev qauv nyob rau hauv cov ntaub ntawv no yuav tsum tau pre-tsim, yog li tsuas muaj peev xwm yuav siv tau los faib cov load rau hauv lub ru tsev. Rafter, tus nqi uas yog hais nyob rau hauv tsab xov xwm yuav siv tau nyob rau hauv ib tug Gable ru tsev, nyob rau hauv rooj plaub no tus system muaj ib cov voos truss, uas yog cov txheej txheem ntawm nyob rau hauv ib tug tej yam kaum sab xis. Taw yuav tsum nyob rau mauerlat, thiab lawv ntxiv nruab nrog bolts thiab kev zawm hniav.

Yog hais tias koj xav tawm ib qhov chaw rau npaj lub nthab, koj yuav tsum ua ib tawg ru tsev truss system uas yuav muaj ntau nyuaj. Nyob rau hauv cov ntaub ntawv no, uas siv cov ob peb hom trusses. Nws yog ib nqi sau cia hais tias lub heev thawj thiab txaus nyiam yog Sudeikin ru tsev qauv. Nyob rau hauv cov ntaub ntawv no, lub rafters sib thooj, tsim plaub voos nruab nrab kem. Xws li ib tug system no yog tsim rau square paub tab.

Yuav ua li cas yog lub rafter nyob rau hauv cov nqe lus ntawm kev tsim nta

Koj yog free mus nqa tawm kev tsim kho ntawm lub-ru tsev. Rafters nyob rau hauv nws muaj pes tsawg leeg yuav tsum xav. Nyob rau hauv cov ntaub ntawv no, lub sab qaum tsev yog tsau los ntawm ib tug khawm, thiab hauv qab - los ntawm ib tug floating kev twb kev txuas. Tej kev tsim kho rafters nyob rau hauv daim ntawv ntawm cov profile tshuab yog hu ua tsis yog-kis tus kab mob. Nyob rau hauv no system, muaj yog tsis muaj load rau cov kis mauerlat. Ridge kev twb kev txuas yog tau rigidly rau mauerlat kabmob tshwm sim ntawm ib tug pob khawm. Nyob rau hauv cov ntaub ntawv no, cov lus qhib dag zog yuam yog kis tau mus rau lub phab ntsa. Qhov no system, uas combines dai thiab naslonnye rafters, kuj hu ua ib tug hybrid. load balancing - qhov yooj yim hauv paus ntsiab lus ntawm no system. Tus luj ntawm lub-ru tsev rafters txais ko taw uas yog kev cob cog rua xaus rau thaum xaus thiab yog ua hauj lwm rau ib tug khoov. Nyob rau tib lub caj beam nws tsis yog raws li ib tug yuav tsum caij, vim nws yog yuav luag tsaug zog.

rau cov ntaub ntawv

Txuas rafters, cov duab uas yog nyob rau hauv tsab xov xwm yuav tsum khom nrog kev xav txog zoo tiav ntawm bolted sib txuas. Pre-nyob rau hauv cov khoom yuav tsum tau drilled qhov, uas nws txoj kab uas hla yuav tsum yog ib millimeter tsawg tshaj li lub lub cheeb ntawm lub ntsia liaj qhov rooj los yog txiv neej zoo nraug. Yog hais tias lawv yog loj heev, nyob rau hauv lub chav kawm ntawm lub chaw ua hauj lwm muaj peev xwm yuav puas ntsoog mauerlat.

Qhov kev xaiv ntawm cov ntaub ntawv uas

Lo lus rafter tam sim no lub npe hu mus rau txhua txhua builder, tab sis tsis yog txhua handyman paub dab tsi qhov zoo tshaj plaws cov ntaub ntawv uas siv los tsim cov ntaub ntawv hais nyob rau hauv lub ru tsev qauv. Lub hauv paus yuav pw ntoo, monolithic reinforced lug los yog hlau. Raws li ib tug zaum kawg ua los yog galvanized steel, nyob rau hauv thawj cov ntaub ntawv nws yog ua tau rau kom tau kev khaub-ncaws nyias siv. Nyob rau hauv kev xaiv cov khoom, kws txawj qhia them sai sai rau lub hom phiaj ntawm kev tsim kho. Qhov no yuav tsum tau coj mus rau hauv tus account thiab cov kev tsim load rau hauv lub ru tsev. Ntoo rafters yog siv feem ntau rau qhov no xaiv high-zoo glued laminated ntoo los yog khoom ntoo. Mus ua hauj lwm yuav tsum tau tsis tsuas cav ntoo, tab sis kuj ntoo cuab yeej, raws li zoo raws li kho ntsiab. Yog hais tias koj txiav txim siab siv laminated veneer lumber, nws yuav tsum tau muaj ib tug dav xws li ntawm 12 mus rau 18 m, tab sis tag nrho cov cav thiab planks yuav ua tau tej yam uas tsim.