The taxi-way system includes the following: 1  A parallel taxi-way 30 metres wide designated P. 2  Link taxiways 30 metres wide marked Q , W , Y & Z. 3  Holding bays at every intersection to the runway.  Loop taxi-ways at both ends of the runways.
Although concrete gains strength more slowly at lower temperatures, the strength of concrete cured at will eventually reach that of concrete cured at 70Â°F. Even if the concrete temperature drops to the mid teens, the hydration process will continue a very slow rate.
Best Answer: Concrete's strength is normally expected to reach its design strength in 28 days if it has been cured properly. Curing properly involves keeping the concrete moistened with water for the duration of the curing period or by sealing the surface with a spray-on concrete cure and seal product.he full design loadings on the slab should be avoided for 28 days. The previous durations apply to normal and concrete placements as large as say 3 or 4' thick or more, mass concrete placements continue to cure for an extended period due to the heat of hydration and moisture content issues.