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Kev tsis
Rail Rail Lub xub pwg nyom: Cov Khoom Siv Khoom Tshwj Xeeb
| Parameter | Qhob Sleeper Lub xub pwg nyom | Steel Sleeper Lub xub pwg nyom | Composite Lub xub pwg nyom |
|---|---|---|---|
| Khoom siv | C60 pob zeb (EN 13230) | Q355B Steel (GB / T 1591) | GFRP / Polyurethane Composite |
| Qhov Loj (L × W × H) | 220 × 110 × 75 hli | 200 × 100 × 15 hli | 210 × 105 × 70 hli |
| Qhov hnyav | 3.8 kg ± 0.2 kg | 1.5 kg ± 0.1 kg | 1.2 kg ± 0.1 kg |
| Nto tiav | Smooth formwork tiav | Kub-dip galvanized (Ntau dua lossis sib npaug li 80μm) | UV- tiv taus txheej |
| Compressive zog | Ntau dua lossis sib npaug li 60 MPa | N/A | Ntau dua lossis sib npaug li 45 MPa |
| Corrosion Resistance | N/A | Cov tshuaj tsuag ntsev> 1000 h | Tshuaj tiv thaiv (acid / alkali) |
| Rwb thaiv tsev Resistance | N/A | N/A | >10⁹ Ω·cm |
| Ua haujlwm kub | -40℃rau +70 degree | -50℃rau +120 degree | -60℃rau +150 degree |
| Kev ntsuas hluav taws | A1 (Tsis yog-combustible) | A1 (Tsis yog-combustible) | B1 (Nplaim retardant) |
| Txuj kev ua raws cai | TS EN 13230 AREMA 3-5-3 | UIC 864, ASTM A123 | EN 45545-2, NFPA 130 |
Railway Rail Lub xub pwg nyom: Engineering Application & Installation Standards
| Daim ntawv thov Scenario | Txoj Kev Txhim Kho | Tolerance & Alignment | Kev Tswj Xyuas Zoo |
|---|---|---|---|
| Ua ntej-stressed Pob Zeb Sleeper | Epoxy nplaum + ntsug xovxwm | ± 1.5 hli kab rov tav txoj hauj lwm | Adhesive coverage >90% pom |
| Steel Trough Sleeper | M16 ntsia liaj qhov rooj torque 100-120 N·m | Lub xub pwg perpendicularity Tsawg dua lossis sib npaug li 1 degree | Bolt preload quab yuam pov thawj |
| Ballastless Track (Slab) | Cam khwb cia-hauv- qhov chaw nrog rebar thauj tog rau nkoj | Theem kam rau ua ± 0.5 hli | Qhob npog qhov tob ntsuas |
| Tunnel Track (Txhim kho) | Grouted thauj tog rau nkoj system | Tsis muaj longitudinal txav hauv qab 20 kN | Rub- tawm qhov kev xeem Ntau dua lossis sib npaug li 25 kN ib lub xub pwg nyom |
| High -Speed Turnout Area | Lub xub pwg paired nrog gauge phaj | Qhov dav dav 1435mm ± 1mm | Laser track gauge cart verification |
| Curved Track (R < 600 m) | Lub xub pwg nyom nrog lateral restraint tis | Wing rau rail qhov sib txawv 3-5 mm | Dynamic gauge widening xyuas |
| Kev Hloov Kho | Tshem tawm cov nplaum qub, ntog | Tshiab lub xub pwg siab ± 0.3 hli | Adjacent lub xub pwg siab qhov sib txawv |
| Kev soj ntsuam zaus | Kev kuaj pom pom txhua 6 lub hlis | Lub xub pwg tawg dav Tsawg dua lossis sib npaug li 0.2 hli | Crack daim ntawv qhia nrog digital caliper |
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