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Protective element with drainage, for connecting to a concrete element of a tunnel extension

A technology for protecting elements and tunnel structures, applied in tunnels, building components, tunnel linings, etc., can solve problems such as unrealizable structures, and achieve the effect of high sealing effect and simple connection

Active Publication Date: 2018-04-17
HERRENKNECHT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a construction cannot be achieved if the wastewater itself is not allowed to be diluted, or if the wastewater itself is already aggressive such that the concrete is affected

Method used

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  • Protective element with drainage, for connecting to a concrete element of a tunnel extension
  • Protective element with drainage, for connecting to a concrete element of a tunnel extension
  • Protective element with drainage, for connecting to a concrete element of a tunnel extension

Examples

Experimental program
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Embodiment Construction

[0044] Concrete element 10 ( figure 1 ) is the arcuate section of the tunnel structure (the Chubin tube). The arcuate section has a convex upper side 11 and an underside 12 arranged opposite it (at the figure 1 covered by the protective element 20). A protective element 20 is arranged on the inner side 12 of the concrete element. In this embodiment, the protective element 20 has a bottom section 21 and wall sections 22 , 23 . A receiving region 29 is provided on the wall sections 22 , 23 , in which the sealing element 30 is arranged. The connection between the seal 30 and the protective element 20 takes place, for example, by injection molding.

[0045] Alternatively, the concrete element can also have only one protective element 20 (not shown) with the bottom section 21 . A seal 30 may, but need not be provided. If no seals are provided, the seams between the individual protective elements 20 of the concrete element 10 are welded to each other.

[0046] as in figure ...

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PUM

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Abstract

The invention relates to a protective element for connecting to a concrete element of a tunnel extension, which has a protective section having a first side facing the concrete element (10), on whichfirst side at least one connecting element (17) is provided for establishing a retaining connection of the protective section to the concrete element (10), wherein the protective section is made fromat least one plastic material, characterized in that the protective section (20) has at least one drainage element (40) through which a fluid can pass from the first side of the protective section (20) to the opposite side of the protective section (20) facing away from the concrete element (10).

Description

technical field [0001] The invention relates to a protective element for connection to a concrete element of a tunnel structure, the protective element having a protective section, the protective section having a first side facing the concrete element, on which side is arranged There is at least one connecting element for establishing a maintained connection of the protective section to the concrete element, wherein the protective section is made of at least one plastic. Background technique [0002] In addition, such concrete elements or protective elements are known from WO2005 / 024183A1 and WO2011 / 085734A1. Alternative embodiments are known from JP2004132002. [0003] Such concrete elements are also referred to in technical terms as "Cubin cylinders" and are used, for example, in tunnel construction by means of shield machines. Here, for example, a tunnel drilling machine is used, which comprises a drill head, behind which is arranged a cylindrical fender with a fender c...

Claims

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Application Information

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IPC IPC(8): E21D11/08E04C1/41E21D11/38
CPCE04B2002/0265E04B2002/0286E21D11/08E21D11/38E21D9/0607
Inventor J·韦策尔
Owner HERRENKNECHT AG
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