Extrusion swelling rock highway tunnel supporting device
A technology of extrusion and expansion for road tunnels, applied in tunnels, tunnel linings, shaft equipment, etc., can solve problems such as inability to support tunnels, and inability to support different types of tunnels, so as to improve safety, buffer and reduce impact, and expand the scope of use Effect
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[0025] Such as Figure 1-4 As shown, a support device for extruded expansive rock road tunnels includes two support plates 1, and the upper side walls of the two support plates 1 are fixedly connected with a first rubber pad 2, wherein the two support plates 1 are fixedly connected to the On the ground of the tunnel, the first rubber pad 2 is in contact with the side wall of the tunnel, and the volume change of the expansive rock on the side wall of the tunnel can be buffered by the first rubber pad 2, so that the first rubber pad 2 is always pressed against the side wall of the tunnel , the upper ends of the two support plates 1 are fixedly connected with the first arc-shaped plate 3, the upper end of the first arc-shaped plate 3 is provided with a groove 4, and the inner wall of the groove 4 is slidably connected with a connecting mechanism 5, and the two connecting mechanisms 5 A second arc-shaped plate 6 is fixedly connected to one end outside the groove 4, a buffer mechan...
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