Barrier Cable Anchorage Registration Assembly
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Solution Overview
Problem
Existing barrier cable anchorage systems face challenges in accurately and securely positioning multiple cable anchors within concrete formwork, leading to potential misalignment and failure to meet building codes, especially under vehicular and pedestrian loading conditions, which is time-consuming and costly to correct.
Innovation Solution
A method and apparatus using a galvanized plate member with pre-drilled holes and female threaded plate caps, secured with punching shear resistance studs, allows for accurate alignment and secure embedding of multiple cable anchors in concrete formwork, enabling proper spacing and resistance to full breaking strength loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If individual cable anchors are positioned manually in concrete formwork, then flexibility in installation is maintained, but alignment precision and positioning accuracy deteriorate
Solution Approach 1:
The patent applies preliminary action by providing a registration assembly with pre-defined hole positions and spacing that establishes accurate anchor locations before concrete pouring. The assembly includes a reference edge with indicators that are positioned in advance during formwork construction, ensuring precise cable spacing and alignment is achieved without manual measurement during installation.
Solution Approach 2:
The registration assembly serves as an intermediary device between the formwork and the cable anchors. It includes a reference edge with indicators that mediate the positioning relationship between the concrete structure and the cable anchors, ensuring accurate spacing and alignment while maintaining installation flexibility.
2Adaptability or versatility
If multiple cable anchors are positioned individually, then installation adaptability is maintained, but installation time and labor costs increase
Solution Approach 1:
The patent merges multiple individual anchor positioning operations into a single integrated registration assembly. The assembly contains multiple holes positioned at predetermined intervals that correspond to multiple cable locations, allowing all anchors to be positioned simultaneously as one unit rather than individually, thereby dramatically improving installation efficiency while maintaining adaptability.
Solution Approach 2:
The registration assembly is designed as a universal device that can accommodate multiple different cable anchor locations within a single structure. The assembly includes a reference edge with indicators and multiple holes that can be configured for various cable spacing requirements, providing multi-functionality across different installation scenarios.
3Device complexity
If cable anchors are positioned without a registration system, then installation simplicity is maintained, but compliance with building codes deteriorates
Solution Approach 1:
The registration assembly incorporates pre-defined geometric relationships and reference indicators that encode building code requirements directly into the positioning system. The predetermined hole spacing and reference edge indicators ensure that cable spacing and alignment meet code specifications before installation begins, guaranteeing compliance reliability.
Solution Approach 2:
The registration assembly provides built-in feedback through its reference edge indicators and predetermined hole positions that visually and physically confirm correct positioning. The assembly's rigid structure and pre-marked features provide immediate feedback to installers whether anchors are positioned correctly according to code requirements, eliminating uncertainty about compliance.
Data Source
AI summary
A method and apparatus for barrier cable anchorage in a concrete formwork such that individual anchors are positioned relative to each other and to the formwork. A galvanized plate is provided with series of holes spaced from a reference point at the plate edge, and a registered assembly of individual anchors are provided in the holes. Female threaded plate caps are secured within the holes for frontal engagement, and a PSR stud is secured to each plate cap on the back side. The assembly is frontally set against the formwork with the reference point spaced from an external datum. The formwork is cured and barrier cables are affixed to the plate caps through the plate by threaded engagement with a barrel anchor and wedge. After tensioning, each cable is anchored to the formwork in desired relative proximity to one another and to the external datum.