Shield tunnel lining ring suitable for quick metro lines
A technology of shield tunnel and lining ring, applied in tunnel lining, tunnel, shaft lining and other directions, can solve the problem of unfavorable segment handling, hoisting and splicing, cannot guarantee the longitudinal rigidity of shield tunnel with increased cross-section, single segment segment Volume and weight increase and other issues, to achieve the effect of facilitating installation and connection, reducing structural deformation, and reducing construction difficulty
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[0029] Please refer to figure 1 The shown shield tunnel lining ring 100 adapted to the rapid subway line, the lining ring 100 is a 4+2+1 block type, the lining ring 100 includes 4 standard blocks 110, 2 adjacent blocks 120 and 1 A capped block 130. The capping block 130 , the adjacent block 120 and the standard block 110 are spliced by a shield machine to form a closed lining ring 100 with a smooth end surface.
[0030] The four standard blocks 110 are spliced together, the two adjacent blocks 120 are respectively connected to both sides of the four standard blocks 110 , and the capped block 130 is connected between the two adjacent blocks 120 . The four standard blocks 110 are connected sequentially, two adjacent blocks are respectively connected to both ends of the standard block 110 , and the capped block 130 is located between the two adjacent blocks 120 . The capping block is wedge-shaped, and the wedge-shaped amount is 64.0mm.
[0031] The central angles of the st...
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