Concrete Surface of Shield Tunnel Reinforcement Ring

Concrete Surface of Shield Tunnel Reinforcement Ring Shield reinforcement ring, mainly used for repairing the damage concrete surface of shield tunnel tube sheet and steel sheet ring reinforcement after repairing. It belongs to shield supporting products reinforcement ring.  bolt circle, 1/4 in. thick. Repair broken out holes or cracked center discs. Excellent for use on front end wheels of loader subway as preventative reinforcement. Holes are pre-tapered for secure lug nut fit. Installation is fast and easy with some welding required. product feature: * It is widely be used in concrete construction of various underground projects. * The product is easy to use and flexible to disassemble. * More times turnover, low cost amortization. * The appearance of concrete is well quality. * Save labor cost and reduce project cost. Advantage: ● light weight;  ● simple,…