Cov lus qhia ntxaws
| MAIN PART | Yam khoom | SPECIFICATION |
| Main Steel Ncej | Hlau Beam | Q235/Q345B |
| H zoo li steel, alkyd/epoxy zinc-nplua nuj painting thawj painting nyob rau hauv ob zaug | ||
| Ntsiab Cai | Q235/Q345B | |
| H zoo li steel, alkyd/epoxy zinc-nplua nuj painting thawj painting nyob rau hauv ob zaug | ||
| Cua Kem | Q235/Q345B | |
| H zoo li steel, alkyd/epoxy zinc-nplua nuj painting thawj painting nyob rau hauv ob zaug | ||
| Txhawb nqa System | Brace | Q235 / Q345B, lub kaum sab xis steel lossis lub voj voog steel raj, txheej txheem thiab paited |
| Lub Tsev Purlin | Q235 / Q345B, C lossis Z zoo li hlau, alkyd painting / kub dip galvanized | |
| Phab ntsa Purlin | Q235 / Q345B, C lossis Z zoo li hlau, alkyd painting / kub dip galvanized | |
| Tie Bar | Q235 / Q345B, Φ114x3 round steel raj, txheej txheem thiab pleev xim | |
| Sag Rod | Q235 / Q345B, Φ12 puag ncig steel, txheej txheem thiab pleev xim rau | |
| Ru tsev Cladding | Xim corrugate steel ntawv, EPS sandwich vaj huam sib luag, pob zeb ntaub plaub, PU, iav ntaub plaub | |
| Phab ntsa Claddding | Xim corrugate steel ntawv, EPS sandwich vaj huam sib luag, pob zeb ntaub plaub, PU, iav ntaub plaub | |
| Khoom siv | Bolts | Ordinary, siab zog, stud bolts, thauj tog rau nkoj bolts |
| Kua nplaum | 0.5mm galvanized / prepainted steel phaj, stainless hlau | |
| Qhov rai | Aluminium alloy - iav, aluminium alloy - shutter, PVC | |
| Qhov rooj | Sliding sandwich vaj huam sib luag / steel qhov rooj, dov shutter qhov rooj | |
| Pem Teb Deck | #600, #688, #720, T: 0.7-1.2mm tuab xim corrugated steel phaj | |
| Hauv cov kav dej | VC yeeb nkab lossis steel ntawv khoom lossis txhuas yeeb nkab | |
| Roof Ridge | Xim steel ntawv | |
| Ntug Cover | 0.5mm xim steel ntawv | |
| Teeb pom kev zoo | FRP lub teeb hloov txoj siv | |
| Lub tshuab ua pa | Exhaust kiv cua, qhov cua louvers | |
| Crane | Crane hauv 5 tons txog 20 tons | |
| Tsim Parmameters | Tsev Loj | Length(m) * Dav (m) * Eave Height(m) |
| Huab cua hauv zos | Cua load, Snow load, av qeeg loj | |
| Lub tsev thiab phab ntsa vaj huam sib luag | Nrog los yog tsis muaj rwb thaiv tsev rau lub ru tsev thiab phab ntsa | |
| Cov kabmob | Ua kom lub tsev tiv taus cua hnyav los ntawm 120km / h thiab av qeeg qib 8 | |
| Kev tiv thaiv | Xim steel sandwich vaj huam sib luag muaj cov ntaub ntawv pov thawj hluav taws zoo thiab kev ua haujlwm kub rwb thaiv tsev | |
| Ntim | Main steel ncej loaded nyob rau hauv 40'OT, ru tsev thiab phab ntsa panels loaded nyob rau hauv 40'HQ |
Common Beam Problems thiab Solution Approaches:
1. Txhawb Cov Lus Teb:
Teeb meem:Txiav txim siab lub zog thiab lub sijhawm ua haujlwm los ntawm kev txhawb nqa ntawm lub nqaj.
Kev daws:Kos daim duab qhia lub cev pub dawb, siv cov kev sib npaug sib npaug (cov lej ntawm lub zog=0, suav ntawm lub sijhawm=0), thiab daws qhov tsis paub txog kev txhawb nqa.
2. Shear Force thiab Bending Moment Diagrams (SFD & BMD):
Teeb meem:Visualizing qhov kev faib ntawm shear quab yuam thiab dabtsi yog khoov lub sij hawm raws lub nqaj ntev.
Kev daws:Txiav cov nqaj ntawm ntau ntu, xam lub zog shear thiab khoov lub sijhawm ntawm txhua qhov txiav, thiab npaj cov txiaj ntsig no los tsim cov duab kos.
Cov ntsiab lus tseem ceeb:Shear force hloov kos npe (thiab lub sijhawm khoov yog qhov siab tshaj plaws lossis tsawg kawg) qhov twg lub zog shear hla dhau xoom.
3. Deflection thiab Slope:
Teeb meem:Kev txiav txim siab tus nqi khoov thiab lub kaum sab xis ntawm kev sib hloov (txoj kab nqes) ntawm lub nqaj nyob rau hauv load.
Kev daws:Siv txoj hauv kev zoo li superposition, kev sib koom ua ke ob, lossis txoj hauv kev siv zog, nrog rau qhov cuam tshuam ntawm deflection thiab nqes hav sib npaug rau cov kab sib txawv thiab kev thauj khoom.
4. Kev Ntsuam Xyuas Kev Nyuaj Siab:
Teeb meem:Muab xam cov kev ntxhov siab (tensile, compressive, shear) nyob rau hauv lub beam vim dabtsi yog khoov thiab shear quab yuam.
Kev daws:Siv cov qauv kev nyuaj siab dabtsi yog khoov (Kuv/I), shear stress formula (VQ/I*b), thiab xav txog cov khoom siv thiab hla -sectional geometry.
5. Composite Beams:
Teeb meem:Kev txheeb xyuas kab teeb ua los ntawm ntau yam khoom (xws li ntoo thiab hlau).
Kev daws:Siv cov txheej txheem hloov pauv los hloov cov seem sib xyaw rau hauv seem sib npaug ntawm ib qho khoom siv, tom qab ntawd siv cov txheej txheem kev ntsuas kab hluav taws xob.