Cable System for a Structural- and Tensioning Element and a Method for Replacing the Tensile Elements and the Use Thereof

US20260176834A1Pending Publication Date: 2026-06-25VSL INT AG
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
VSL INT AG
Filing Date
2022-10-31
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing cable systems for bridges and structural elements face challenges in replacing main cables, which are often cumbersome, costly, and disruptive to traffic, and result in rapid aging and degradation due to direct radial compression by friction clamps.

Method used

A cable system with a pipe housing tensile elements and a compressing element that transfers radial compression, allowing individual replacement of tensile elements without direct contact, using cavities and ducts within the pipe for easy maintenance and minimizing traffic disruption.

Benefits of technology

Enables easy replacement of tensile elements, reduces maintenance costs, and maintains structural integrity while minimizing traffic disruption and corrosion, enhancing the durability of the cable system.

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Abstract

Present invention relates to a cable system (10), a method, and its use for a tensioning element such as suspension bridges and / or a structural element such as extended roofs of buildings, comprising main cables (12), hangers (22), and clamps (24), wherein the main cable (12) comprises a pipe (11) as a housing, one or more tensile elements (15) provided within the pipe (11) for carrying longitudinal tensile force along the main cable (12); and a compressing element (16) provided surrounding at least partly the tensile elements (15) for taking radial compression and possibly longitudinal compression, wherein the hanger (22) is connected to the main cable (12) through the clamp (24), configured in such a way that hanger force is introduced only into the compressing element (16) and is further transferred radially from the compressing element (16) to the tensile elements (15).
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