Segment support structure of shield section tunnel communication channel
A technology for interval tunnels and connecting passages, applied in tunnels, tunnel linings, shaft equipment, etc., can solve the problems of inconvenient entry and exit of construction personnel and materials, prolonged construction period, and low installation efficiency, so as to achieve convenient and fast assembly and disassembly, and shorten construction Cycle, the effect of convenience in and out
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Embodiment 1
[0041] Such as figure 1 , figure 2 and image 3 As shown, a segment support structure for the connecting channel of a shield interval tunnel includes a segment ring assembled from six segments 1 and a ring-shaped steel support structure circumferentially surrounding the inner side of the segment ring, wherein, The six segments 1 consist of three standard blocks, two connecting blocks and one capping block;
[0042] The inner middle part of the segment 1 has an assembly screw hole 6, and corresponding to the assembly screw hole 6, an assembly bolt 3 threaded therewith is provided;
[0043] The ring-shaped steel support structure includes arched steel support pieces 2 having the same number as the segments 1, and the adjacent arched steel support pieces 2 are detachably connected;
[0044] The middle part of each arched steel support piece 2 is provided with a via hole corresponding to the assembly bolt 3, and the arched steel support piece 2 is screwed into the correspondin...
Embodiment 2
[0056] The difference with embodiment 1 is:
[0057] Such as Figure 4 and Figure 5 As shown, the telescoping mechanism includes a rubber airbag 11, the outer side of the arched steel support piece 2 is provided with a counterbore 10 near the end of the tube piece 1, and the inner wall of the arched steel support piece 2 is opened There is a through hole 12 communicating with the receiving counterbore 10, the through hole 12 is provided with an air pipe, one end of the air pipe is connected to the rubber air bag 11, and the other end can be connected to an external air source.
[0058] Preferably, two rubber airbags 11 are provided, and are respectively located on opposite sides of the accommodating counterbore 10, and two through-holes 12 are correspondingly opened on the inner wall of the arched steel support sheet 2. .
[0059] The assembly and disassembly method of the present invention: during installation, after using the assembly machine to install the segment 1, co...
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