Ntawm no, koj ua li cas xam txoj kab nqes ntawm stairs? Txoj kab nqes ntawm staircase yog xam los ntawm cov qauv trigonometric uas yog Tan θ uas yog sib npaug ntawm qhov sib npaug ntawm qhov sib npaug ntawm qhov nyob ib sab hauv daim duab peb sab xws li Tanθ = opposite / nyob ib sab, thiab θ = tan^-1 (tawm tsam / nyob ib sab), thiab tus nqi ntawm theta (θ) yuav muab peb txoj kab nqes ntawm staircase hauv degrees. .
Dab tsi yog qhov zoo tagnrho ntaiv nce thiab khiav? Txoj cai dav dav (hauv Teb Chaws Asmeskas) yog 7-11 (ib 7 nti nce thiab 11 nti khiav) (17.78cm-27.94cm). Ntau yam raws nraim, tsis pub ntau tshaj 7 3/4 ntiv tes (19.7cm) rau lub riser ( ntsug) thiab qhov tsawg kawg nkaus ntawm 10 ntiv tes (25.4cm) rau tread (kab rov tav lossis kauj ruam).
Tsis tas li ntawd Qhov siab tshaj txoj kab nqes rau ntaiv yog dab tsi? OSHA cov cai rau kev lag luam ntaiv tso cai rau qhov siab tshaj plaws 45 degree ntaiv nqes hav. IBC cov kev cai rau egress stairs cia mus txog 32.4 degree kaum rau txoj kab nqes.
Txoj cai 18 rau lub staircase yog dab tsi? Txoj cai ib hais tias nce ntxiv khiav (r + R) yuav tsum sib npaug 18 ntiv tes. Vim li cas? Qhov ntawd yog dab tsi cov neeg feem coob pom tias yog ib qho yooj yim stride ntawm feem ntau cov ntaiv. Koj tuaj yeem dag me ntsis nce lossis nqis, tab sis qis dua 17 "thiab ntau dua 19" yuav ua rau cov kauj ruam uas yuav tsum tau strides loj dhau los yog me me rau cov neeg feem coob.
Dab tsi yog code rau stair qhov siab?
(1) Kev nce ntawm txhua kauj ruam hauv ib tus ntaiv yuav tsum yog tsis tsawg dua 4 ntiv tes lossis ntau dua 7 1/2 ntiv tes. (2) Kev khiav yuav tsum tsis pub tsawg dua 10 ntiv tes raws li ntsuas kab rov tav ntawm cov dav hlau ntsug ntawm qhov kev kwv yees feem ntau ntawm cov treads uas nyob ib sab.
Puas yog 8 nti kauj ruam siab dhau lawm? Cov cai hauv tsev nyob hauv ntau thaj chaw txhais cov kauj ruam siab tshaj plaws thiab qhov dav qhov dav tsawg kawg nkaus, tab sis nyob rau hauv cov cheeb tsam uas nws tsis tau txhais, Council of American Building Officials thiab International Code Council ob leeg pom zoo kom nce siab. tsis pub tshaj 7.75 ntiv tes thiab khiav kom tsis pub tsawg tshaj 10 ntiv tes.
Puas yog 45 degree ntaiv ntxhab dhau lawm? Tus txheej txheem ntaiv muaj 11 "treads thiab 7" risers. Siv cov qhov ntev ntawm tus ntaiv ntawm 45 ° yuav muaj 7 "treads (me me dhau) nrog 7" risers lossis 11 "treads nrog 11" risers (loj dhau). Yog li ntawd, tus ntaiv 45 ° yog qhov ntxhab heev thiab qhov tseem ceeb tshaj plaws tsis tuaj yeem los ze rau lub tsev cai.
Qhov siab tshaj plaws nce rau ib kauj ruam yog dab tsi?
(1) Kev nce ntawm txhua kauj ruam hauv ib tus ntaiv yuav tsum yog tsis tsawg dua 4 ntiv tes lossis ntau dua 7 1/2 ntiv tes. (2) Kev khiav yuav tsum tsis pub tsawg dua 10 ntiv tes raws li ntsuas kab rov tav ntawm cov dav hlau ntsug ntawm qhov kev kwv yees feem ntau ntawm cov treads uas nyob ib sab.
Tsis tas li ntawd 17 18 nti txoj cai hauv stair framing yog dab tsi? 17-18 TSO – IB ZAUG 24-25 METHOD – NYIAJ NTAWM 24 RISES PLUS IB TUG NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ NYIAJ 25 THIAB 73 INCHES. MAXIMUM NTAWM 4/10 INCHES THIAB QHOV TSEEB NTAWM XNUMX INCHES.
Dab tsi yog code rau stair landing?
Yam tsawg kawg uas pom zoo ntaiv tsaws ntev yog 36 " (los yog qhov ntev thiab qhov dav txaus siab tshaj qhov viav vias ntawm lub qhov rooj yog tias muaj lub qhov rooj dav dua). Qhov stairway tsaws lossis platform dimension feem ntau kuj tau hais tias "yam tsawg kawg ntawm 36-nti hauv kev coj mus ncig.
Vim li cas cov ntaiv muaj daim di ncauj? Lub hom phiaj tseem ceeb ntawm qhov ntswg yog txhawm rau txhim kho kev nyab xeeb ntawm cov ntaivCov. Raws li nws tiv thaiv me ntsis dhau ntawm ntug kev tsuj taw, nws muab qee qhov chaw ntxiv rau cov neeg siv tso lawv cov taw.
Nyob deb li cas yuav tsum ib tread overhang lub riser?
Qhov tsim nyog tread overhang yuav tsum tau raws li IRC protrude 3/4 "rau 1-1/4" dhau los ntawm lub ntsej muag ntawm riser los yog riser kab los xyuas kom meej qhov mus yog 10-nti. Lub overhang nce qhov chaw tso rau hauv ko taw ntawm lub tread, tab sis tsis hloov qhov tob ntawm qhov mus, lossis tread qhov tob raws li IRC txhais.
Puas yuav tsum tau risers ntawm cov ntaiv?
ADA hais tias Tag nrho cov ntaiv thiab cov ntaiv yuav tsum muaj qhov siab ntawm qhov siab thiab tread widths. Ib ntu tseem hais ntxiv tias stair treads tsis tuaj yeem ua haujlwm dhau los ntawm tus stair riser ntau dua 1/2 "thiab yuav tsum tau nkhaus lossis beveled los pab tiv thaiv kev poob ntawm ib kauj ruam.
Qhov nruab nrab kauj ruam tob npaum li cas? Qhov nruab nrab theem siab, dav, thiab qhov tob
Qhov nruab nrab qib siab hauv Asmeskas yog 7.5 ntiv tes. Qhov tob yog feem ntau ncig 9 nti. Raws li qhov dav mus, lossis qhov ntev ntawm cov ntaiv, feem ntau yog mus txog rau tus tswv tsev.
Cov ntaiv puas xav tau risers? Khoom risers tsis tas yuav tsum tau rau cov ntaiv uas tsis tas yuav tsum tau ua raws li Tshooj 1009.3, yog tias qhov qhib ntawm treads tsis tso cai rau txoj kab uas hla ntawm 4 ntiv tes (102 mm).
Qhov siab tshaj plaws ntawm ib kauj ruam yog dab tsi?
Standard Stair Riser Height Requirements
OSHA 1910.25(c)(2) yuav tsum muaj tus qauv ntaiv kom muaj qhov siab tshaj plaws ntawm qhov siab ntawm 9.5 nti (24 cm). IB 1011.5. 2 xav kom tus ntaiv riser qhov siab yuav tsum yog 7 nti (178 mm) siab tshaj plaws thiab 4 nti (102 mm) yam tsawg kawg nkaus.
Vim li cas cov stairs thiaj li nyob hauv cov tsev qub? Stairs yog ntxhab nyob rau hauv ib lub tsev laus rau ntau yam laj thawj. … Tsis tas li ntawd, cov kauj ruam nce siab ntau dua vim hais tias lub taub hau txaus nyob rau hauv lub staircase tsis yog qhov tseem ceeb ntawm qhov tseem ceeb. Cov neeg tau me dua niaj hnub no thiab nws tsis tas yuav muaj kev lag luam loj los txo koj lub taub hau me ntsis thaum koj taug kev los ntawm cov ntaiv.
Puas yog 10 nti kauj ruam siab dhau lawm?
Cov cai hauv tsev nyob hauv ntau thaj chaw txhais cov kauj ruam siab tshaj plaws thiab qhov siab tshaj plaws tread dav, tab sis nyob rau hauv cov cheeb tsam uas nws tsis tau txhais, Council of American Building Officials thiab International Code Council ob leeg pom zoo kom nce siab tsis tshaj 7.75 ntiv tes thiab khiav kom tsis pub tsawg tshaj 10 ntiv tes.
Ntau npaum li cas overhang yuav tsum muaj ib kauj ruam? Nosing Requirements
Lub nosing ntawm treads, ntseeg nws los yog tsis, muaj ib tug code yam tsawg kawg nkaus thiab siab tshaj plaws ntawm qhov deb npaum li cas lub nosing tej yaam num nyob rau hauv lub tom ntej ntaiv. Nosings yuav tsum tau overhang a yam tsawg kawg ntawm ¾-hauv. mus rau qhov siab tshaj plaws ntawm 1-¼-in.
Kuv yuav ua li cas kom kuv cov ntaiv treads tob?
- Chisel tawm ntawm lub qhov ntswg ntawm cov treads uas twb muaj lawm kom txhua tus tread tsis protrude tshaj lub riser board.
- Ntsuas cov treads uas twb muaj lawm thiab txiav cov laug cam tshiab rau txhua tus tread. …
- Nthuav kev tsim cov nplaum sib npaug ntawm thawj tus ntaiv tread.
- Muab tus ntaiv tshiab tread rau thawj tread. …
- Rauj 2-nti ntsia hlau rau hauv lub qhov.
Puas yog stair stringers 2 × 10 lossis 2 × 12? Nws yog tsim nyog thiab nyob rau hauv lub tsev code cov lus qhia siv los yog 2 × 10 los yog 2 × 12 qhov ntev lumber los tsim ib txheej ntaiv; Txawm li cas los xij, tus stair stringer yuav tsum tsis pub tsawg dua 3.5 ntiv tes dav ntawm nws qhov nqaim tshaj plaws los muab lub zog txaus rau lub nra ntawm cov ntaiv yuav txhawb nqa.
Dab tsi yog qhov yooj yim ntaiv dav?
Hauv cov chaw pej xeem dav dav yam tsawg kawg ntawm 44 "(112 cm) yuav tsum tau ntsib - muab qhov chaw txaus rau ib tus neeg thiab tso cai rau kev nruj ntawm ob tus neeg. Yooj yim ob tus neeg stair widths ntau ntawm 49 "(125cm) mus rau 60" (152cm). Rau peb cov neeg siv ib txhij, qhov tsawg kawg nkaus ntawm 74 "(188 cm) raug pom zoo.