Video: YUAV UA LI CAS 2 2x8 ncua?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
| Joist Tshaj | ||
|---|---|---|
| Douglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir, Redwood, Cedars, Ponderosa Pine, Liab Pine | 3 X8 LUB 2 - 2 x8 | 6'-7" |
| 3 X 10 LUB 2 - 2 X 10 | 8'-1" | |
| 3 X 12 LUB 2 - 2 X 12 | 9'-5" | |
| 4x 6 | 6'- 2 " | |
Ib yam li ntawd, nyob deb npaum li cas tuaj yeem ua ob npaug 2x8 ncua?
Cov joists hauv pem teb tam sim no yog 2x8 ua thiab ncua lub 24 ko taw, tab sis muaj ib phab ntsa mid txoj kev.
Ib tug kuj tseem nug, qhov hnyav npaum li cas yuav txhawb nqa 2x8? qee qhov nws tau txais kev zoo nkauj hauv qhov xwm txheej, thiab feem ntau cuam tshuam nrog phaus / square feet ntawm kev thauj khoom. 2 x6s yog feem ntau yog siv rau qab nthab joists, esp txij li thaum koj hais tias 24 "oc thiab reallllly luv spans nkaus xwb (5 los yog 6 feet). yuav ua yam tsawg kawg nkaus 2x8 ua @ 16" oc thiab feem ntau nyiam 2x10.
Hauv qhov no, qhov ntev tshaj plaws rau 2x8 header yog dab tsi?
Daim duab B: Piv txwv ntawm Kev Sau Npe Loj
| Header Size | Tshaj siab tshaj plaws | Number of Trimmers |
|---|---|---|
| Muab ob npaug rau 2 × 6 | 4 ft, 0 yib. | Ib |
| 2 × 8 | 5 ft, 0 yib. | Ob |
| Muab ob npaug rau 2 × 10 | 6 ft, 2 ib. | Ob |
| Ob chav 2 × 12 | 7 ft,1j. | Ob |
Ntev npaum li cas tuaj yeem ua ob npaug 2x6 pem teb joist ncua?
Max. Nyob Load 30 lbs/ft2 (1436 N/m2)
| Qhov siab tshaj plaws (ft-in) | ||
|---|---|---|
| Nominal Loj (inch) | Joist Spacing Center rau Center (inch) | Qib Qib |
| 2x6 ib | 16 | 10' - 11" |
| 24 | 9' - 7" | |
| 2x8 ua | 12 | 15' - 10" |
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