Technical Advances of Temporary Facilities for the Failure Prevention of Large-Span Cantilever Casting Construction of Mountainous Concrete Box-Type Arch Bridges

Figure 7

Working principle of the automatic cable adjustment control system. (a) Automatic monitoring-control of the cable tensioning. (b) Components of the automatic cable adjustment control system. (c) Principle of automatic preload and integral tensioning.

(a)

(b)

(c)