Subway Foundation Embedded Segment Bolts
SINCHOLD Subway Segment Bolt is used to connect the shield fastening segment a special fastener in the tunneling process. Through the connection of the bolt, the pieces of the arch segment connected into a circle, so as to support the whole tunnel, which also called segment bolts, even for segment joints, or because of the specially designed for supporting the use of shield tunnel segment, so called bolt shield tunnel or fittings.
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