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Water guiding sealing device for shield tunnel joint

A sealing device, shield tunnel technology, applied in the direction of tunnel, tunnel lining, shaft equipment, etc., can solve the problems of falling off, caulking materials are easily staggered, etc., to achieve the effect of improving the guarantee rate and avoiding adverse effects

Pending Publication Date: 2018-08-24
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the influence of repeated vibrations of vehicles running in the tunnel and uneven longitudinal settlement of the tunnel, the caulking materials are easy to stagger or even fall off.

Method used

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  • Water guiding sealing device for shield tunnel joint
  • Water guiding sealing device for shield tunnel joint
  • Water guiding sealing device for shield tunnel joint

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] refer to Figure 1 to Figure 4 , a water-conducting sealing device for shield tunnel joints according to the present invention, comprising an arc-shaped rubber band 4 extending across the caulking 3 and along the segment joint 9, on the inner surface of the arc-shaped rubber band 4 The anti-filter layer 5 is fixedly set. The lateral sides of the arc-shaped rubber belt 4 form a detachable connection with the segment 1 through the bolts 7 arranged at vertical intervals, so that the inner surfaces of the lateral sides of the arc-shaped rubber band 4 are closely attached to the segment 1 to form a seal. The filter layer 5 is in close contact with the caulking 3 . It can realize the complete sealing and water conduction of the joints of the segments, avoiding the adverse effects of water leakage from the joints on the tunnel; the arc-shaped rubber b...

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PUM

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Abstract

The invention discloses a water guiding sealing device for a shield tunnel joint. The water guiding sealing device for the shield tunnel joint realizes complete sealing and water guiding of a duct piece joint crack, and avoids water leakage of the joint from adversely affect a tunnel. The water guiding sealing device for the shield tunnel joint comprises an arc-shaped rubber belt stretching acrossa caulked joint and extending along the duct piece joint crack, and an inverted filtering layer is fixedly arranged on the inner surface of the arc-shaped rubber belt. Two lateral sides of the arc-shaped rubber belt form detachable connection through bolts and duct pieces which are arranged at vertical intervals, so that the inner surfaces of the two lateral sides of the arc-shaped rubber belt are closely attached to the duct pieces to form sealing, and the inverted filtering layer is closely attached to the caulked joint.

Description

technical field [0001] The invention relates to shield tunnel engineering, in particular to a water-guiding sealing device for shield tunnel joints. Background technique [0002] In recent years, shield tunneling has developed rapidly in industries such as subways, railways, and highways due to its characteristics of non-excavation, fast construction speed, and low labor intensity. The shield tunnel lining is mainly made of prefabricated concrete segments. In order to avoid excessive contact stress of the corner concrete points and concrete falling off when the segments are assembled, the inner joints of the segments are usually retracted by a few millimeters, and the joints are formed after the segments are assembled. . Considering the waterproof requirements of the joints, rubber strips or caulking glue are usually used for caulking after the segments are assembled. [0003] From the point of view of practical application, the caulking of the segment effectively avoids t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/38
CPCE21D11/381E21D11/386
Inventor 陈昂张慧玲陈峻
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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