The supporting technique of prestressed anchor rods for soil nailing walls was used for the open cutting works for the
water-intaking system for Caofeidian Power Plant, CR Power. The cutting depth is about 15.6 m, and 18.2 m is the deepest
cutting by the seaside for this technique. Thanks to proper supporting measures, the progress of construction was 60 days earlier
than using retaining-wall supporting system, which reduces direct cost by 10 million Yuan. It can widely used in future deep
excavation constructions.
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