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

(10) US 2019/0309625 Al

(22) 15.07.2016

(43) 10.10.2019

(57) 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 which first 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 from at 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).

(71) HERRENKNECHT AG, Schwanau (DE)

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