Ukude kangakanani umqa we-2x10 okanye i-Header Span? Umqadi we-2x10-owenziwe ngee-2x10s ezimbini ezibethelelwe kunye - unokunwenwela ukuya kuthi ga. 11 ' ngaphandle kwenkxaso phantsi kwedesika eyi-4′ ububanzi. Kwidesika enobungakanani obuqhelekileyo, umqadi ofanayo unokuthatha i-8′, exhasa idekhi eyi-8′ ububanzi. Unokuphinda kathathu umqadi we-2 × 10.
Apha, ingaba i-2 × 12 ijoists yomgangatho inokuba kude kangakanani? Max. Umthwalo ophilayo 60 lbs/ft2 (2873 N/m2)
Ubuninzi beSpan (ft-in) | ||
---|---|---|
Ubungakanani ngokwamagama (intshi) | IZiko lokuBelana ngeJoist ukuya kwiZiko (intshi) | Amabakala eBakala |
2 x 12 | 12 | 20 '- 3' |
16 | 18 '- 5' | |
24 | 15 '- 10' |
Ingaba ingakanani i-beam endiyidingayo ukuze ndigqithe iinyawo ezingama-20? Ubungakanani bomqadi wokhuni kububanzi beenyawo ezingama-20:- ngokomgaqo kabhontsi jikelele, isithuba seenyawo ezingama-20, ubungakanani bomqadi womthi okanye isidibanisi samaplanga kufuneka sibe 2 × 14 ebekwe kwi-16″ ngaphandle kweziko elisetyenziselwa izakhiwo zokuhlala okanye iiprojekthi okanye ulwakhiwo apho ubunzulu becandelo lomqadi yi-350mm (14″) nobubanzi bomqadi yi-50 mm okanye 2″.
Ukongeza kufuneka yahlukane kangakanani imiqadi yenkxaso? Ubude bemidibaniso yomqadi oxhasayo bukwamisela elona xesha liphezulu lomqadi wedekhi phakathi kwezithuba ezixhasayo. Ngokutsho kwe-IRC, i-2-ply 10 × 8 beam exhasa i-joist ehamba ngeenyawo ezi-XNUMX phakathi kwenkxaso ifuna izithuba zenkxaso ye-beam. zonke iinyawo ezili-9. Ngelixa iinyawo ezili-10 zinokufikelela kwi-6 yeenyawo 6 i-intshi.
Obuphi ubungakanani beplanga ukuya kwi-14 yeenyawo? Yintoni lento? A 2 × 6 isiqa ingaba 14 iinyawo 8 intshi xa ibekwe 16 intshi ngaphandle kunye No. 1-ibakala amaplanga ezantsi pine eluphahleni kunye 3/12 ukuthambeka okanye ngaphantsi kunye nomthwalo ophilayo ubuninzi 20 phawundi ngonyawo square kunye nomthwalo ofileyo 15 psf.
Ngaba i-2X6 ilungile kwiijoyinti zomgangatho?
Ewe, Amaplanga ama-2 X 6 angasetyenziselwa ukuhlanganisa umgangatho, kodwa isithuba esivumelekileyo esicacileyo simalunga neemitha ezi-4 okanye ezi-5 kuphela. I-span encinci enjalo ayifane ibe luncedo.
Ngaba i-2X10 iyakwazi ukuhamba ngeenyawo ezili-18? A #2-2×10 joint can span phakathi kwe-11′-5” kunye ne-18′-0”, njenge-rafter phakathi kwe-13'-9 "kunye ne-21'-7", kunye ne-boam 3'-6 "kunye ne-13'-0" okanye ngaphezulu. Ubude bexesha buxhomekeke kwisithuba, kwiintlobo zamaplanga, kunye nomgangatho, kunye ne-beam, ubukhulu be-lamination, kunye nezinye izinto ezininzi.
Ngowuphi umqadi endiwudingayo ukuze ndigqithe iinyawo ezili-18? Ubungakanani bomqadi weplanga kubude beenyawo ezili-18:– ngokomgaqo kabhontsi ngokubanzi, kwisithuba seenyawo ezili-18, ubungakanani bomqadi womthi okanye isidibanisi samaplanga kufuneka sibe 2 × 12 ebekwe kwi-16″ ngaphandle kweziko elisetyenziselwa izakhiwo zokuhlala okanye iiprojekthi okanye ulwakhiwo apho ubunzulu becandelo lomqadi yi-300mm (12″) nobubanzi bomqadi yi-50 mm okanye 2″.
Ndifuna ubukhulu bomqadi obungakanani ubude beemitha ezingama-18?
Bubuphi ubungakanani be-lvl beam ye-18 foot span:- ngokomgaqo kabhontsi jikelele, kwi-18 foot span, ubungakanani be-LVL beam okanye i-GLULAM kufuneka ibe yi-9 ukuya kwi-10 i-intshi ubunzulu kunye ne-3 intshi ububanzi, ngoko udinga into ethile. njenge-9-10″ GLULAM okanye iLVL Ukunwenwela ukuya kuthi ga kwiinyawo ezili-18 kwaye ungasebenzisa amaplanga alula 2 × 12 kwi-16 ″ ngaphandle kumbindi njengendawo yokuhlanganisa umgangatho ...
Kwakhona Ngowuphi umqadi endiwudingayo malunga neenyawo ezingama-24? Ubungakanani bomqadi we-LVL kububanzi beenyawo ezingama-24:- ngokomgaqo kabhontsi jikelele, kwisithuba seenyawo ezingama-24, ubungakanani bomqadi weLVL okanye iGLULAM kufuneka 12-14 intshi ubunzulu kunye 4 intshi ububanzi, Ngaloo ndlela ufuna into efana ne-12-14 ″ GLULAM okanye i-LVL ukuya kwi-24 yeenyawo ezisetyenziselwa ukwakha okanye iiprojekthi.
Kufuneka ibe ngqingqwa kangakanani imiqadi yenkxaso?
Linganisa ubunzulu bomqadi wakho kwaye wongeze i-intshi eyongezelelweyo enesiqingatha. Umzekelo, ukuba umqadi u-7 intshi ubunzulu, i-ledger yokuxhasa kufuneka ibekwe phantsi 7 1/2 intshi kwii-studs zobubele. Oku kuya kunika indawo yokususa umqa kwindawo.
Ngowuphi umqadi endiwudingayo kwisithuba seenyawo ezili-18? Ubungakanani bomqadi weplanga kubude beenyawo ezili-18:– ngokomgaqo kabhontsi ngokubanzi, kwisithuba seenyawo ezili-18, ubungakanani bomqadi womthi okanye isidibanisi samaplanga kufuneka sibe 2 × 12 ebekwe kwi-16″ ngaphandle kweziko elisetyenziselwa izakhiwo zokuhlala okanye iiprojekthi okanye ulwakhiwo apho ubunzulu becandelo lomqadi yi-300mm (12″) nobubanzi bomqadi yi-50 mm okanye 2″.
Yintoni ubude besithuba somqadi?
Itshati yeDekhi yeSigaba saMaplanga eDimensional
Izithuba zeJoist | ||
---|---|---|
UDouglas Fir-Larch, uHem-Fir, iSpruce-Pine-Fir, iRedwood, imisedare, iPonderosa Pine, iPine ebomvu | 3-2X6 | 5'-3 ' |
3-2X8 | 6'-8 ' | |
3-2X10 | 8'-3 ' | |
3-2X12 | 9′- 7 " |
Bungakanani ubungakanani beam endiyidingayo ukuze ubude beenyawo ezili-16?
Ukuthatha i-16′ nge-joists 16″ ngaphandle, uya kufuna enkulu kune-a I-2X12 yamaplanga adibeneyo. I-IMO iprojekthi idinga ukuyilwa ngokutsha ngomqadi ukusika isithuba sibe ngamacandelo amafutshane. Kungenjalo, dibana nenjineli yolwakhiwo ukujonga ukuba kunokwenzeka ukusebenzisa i-joists edibeneyo, amaplanga angama-4X, okanye iijoyinti zamaplanga ezinobunjineli.
Yintoni enamandla 4×6 okanye 2 2X6? Ngokubanzi, amandla okugoba komqadi ahambelana ngokuthe ngqo nobubanzi bawo kwaye alingana ngokuthe ngqo kwisikwere sobude bayo. Kwimeko esezantsi i-4×6 ithiyori ngu-2² = 4 amaxesha omelele njenge-2x6 enye, kodwa kuba zimbini kuzo kuphela. Unamandla aphindwe kabini njenge-2x6s.
Ingakanani i-2 × 6 ye-beam span ngaphandle kwenkxaso? I-2 × 6 inokuxhasa ukuya kuthi ga kwi-50 yeeponti ngonyawo lwesikwere sobunzima ngaphandle kokugxwala ngobude bexesha. malunga neenyawo ezili-12 xa ujikeleza umgama ngokuthe tye, kunye ne-2 × 6 emi kwindawo ethe nkqo. Eli nani libandakanya ubunzima obuphilayo kunye nobufileyo.
I-2 × 6 inokuba ngumqa ongakanani?
Umgama ophezulu we-2 × 6 unokuhamba, ngokutsho kwe-IRC ye-2018, kwi-joist yomgangatho, 12′-6”, isilingi joist 20'-8”, rafter 18'-0”, ibhodi yomgangatho 24”, deck joist 9′-11”, denderedzwa umqadi 8′-3”, kunye 6’-1” njenge header.
Yintoni enamandla 4×6 okanye 2 2×6? Ngokubanzi, amandla okugoba komqadi ahambelana ngokuthe ngqo nobubanzi bawo kwaye alingana ngokuthe ngqo kwisikwere sobude bayo. Kwimeko esezantsi i-4×6 ithiyori ngu-2² = 4 amaxesha omelele njenge-2x6 enye, kodwa kuba zimbini kuzo kuphela. Unamandla aphindwe kabini njenge-2x6s.
Bungakanani ubungakanani beam endiyidingayo ukuze ubude beenyawo ezili-15?
Ubungakanani bomqadi wokhuni kubude beenyawo ezili-15:- ngokomgaqo kabhontsi jikelele, kwisithuba seenyawo ezili-15, ubungakanani bomqadi womthi okanye isidibanisi samaplanga kufuneka sibe 2 × 10 ebekwe kwi-16″ ngaphandle kweziko elisetyenziselwa izakhiwo zokuhlala okanye iiprojekthi okanye ulwakhiwo apho ubunzulu becandelo lomqadi yi-250mm (10″) nobubanzi bomqadi yi-50 mm okanye 2″.
Ngowuphi umqadi endiwudingayo kwisithuba seenyawo ezili-10? I-double beam ye-ply inokwendlalela ezinyaweni ukuba akukho ngaphaya kwayo. Umqadi ophindwe kabini we-2 × 12 unokuhamba ngeenyawo ezili-12, a kabini 2x10 inokuhamba ngeenyawo ezili-10, njalo njalo.
Ingaba i-4X10 ingagqitha kangakanani ngaphandle kwenkxaso?
Itshati yeDekhi yeSigaba saMaplanga eDimensional
Izithuba zeJoist | ||
---|---|---|
UDouglas Fir-Larch, uHem-Fir, iSpruce-Pine-Fir, iRedwood, imisedare, iPonderosa Pine, iPine ebomvu | 4X8 | 4'-11 ' |
4X10 | 5'-10 ' | |
4X12 | 6'-9 ' | |
3-2X6 | 4'-6 ' |
Uyenza njani imiqadi yeenyawo ezingama-20?
Sithini esona sithuba siphezulu sentsimbi ye-4X12?
Itshati yeDekhi yeSigaba saMaplanga eDimensional
Izithuba zeJoist | ||
---|---|---|
UDouglas Fir-Larch, uHem-Fir, iSpruce-Pine-Fir, iRedwood, imisedare, iPonderosa Pine, iPine ebomvu | 4X10 | 9'-8 ' |
4X12 | 11'-2 ' | |
3-2X6 | 7'-1 ' | |
3-2X8 | 9'-5 ' |