| 摘要 |
<p>There are two rings for vehicle parking, in the single-track parking ramp car park garage which is of circular cylindrical shape. The cylinder has outside wall, spiral-ramp-shaped floor slabM and ramp,shaped ceiling slab. Inside the parking ramps have an outer ring wholly of angled parking with formward approach, and an inner ring with a break, m mainly for forward approach and departure radial parking, round a core. The outer track, between the rings, si solely for entry and downward travel, and the inner track, round the core, solely for departure and upward travel. This provedes an economical construction with use of underground space, and safe and easy operation.</p> |
