Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
railway engineering structure
|
| gptkbp:alsoKnownAs |
railway spiral
spiral loop |
| gptkbp:alternativeTo |
switchback
|
| gptkbp:example |
gptkb:Darjeeling_Himalayan_Railway_Batasia_Loop
gptkb:Gotthard_railway_spiral_tunnels gptkb:Spiral_Tunnels_(Canada) |
| gptkbp:foundIn |
mountainous regions
|
| gptkbp:purpose |
reduce gradient for trains
|
| gptkbp:usedFor |
gaining elevation in limited space
|
| gptkbp:bfsParent |
gptkb:Rendsburg_Loop
gptkb:Tehachapi_Loop |
| gptkbp:bfsLayer |
7
|