Collapsible Stud Rail Assembly for Faster Slab-Column Reinforcement
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Solution Overview
Problem
Conventional stud rail systems for reinforcing concrete structures are prone to improper assembly and securing, which can compromise structural integrity and are time-consuming and costly to fabricate and assemble.
Innovation Solution
A stud rail system comprising a plurality of rail portions, cross portions, pin projections, and support assemblies that can be reconfigured between a collapsed and expanded configuration, allowing for easier assembly and secure attachment to concrete forms, thereby minimizing errors and reducing assembly time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional stud rail systems are used with flat bar stock and pins, then the structural reinforcement function is achieved, but the assembly process becomes time-consuming and costly
Solution Approach 1:
The stud rail system is divided into modular components including pre-assembled units with integrated rails, pins, and support elements. These modular segments can be independently manufactured and then quickly assembled on-site, reducing overall assembly time while maintaining structural integrity.
Solution Approach 2:
Critical assembly steps are performed in advance during manufacturing, such as pre-attaching pins to rails, pre-positioning support assemblies, and pre-configuring the stud rail to the desired geometry. This preliminary preparation eliminates time-consuming on-site fabrication and reduces assembly complexity.
2Reliability
If conventional stud rail assembly methods are used, then structural reinforcement is provided, but improper assembly can compromise structural integrity
Solution Approach 1:
The stud rail system incorporates self-aligning features and self-securing mechanisms that automatically ensure proper assembly without requiring skilled labor or complex verification procedures. The design guides workers through the assembly process, making it difficult to assemble incorrectly while remaining simple to perform.
Solution Approach 2:
The system includes built-in verification mechanisms such as audible clicks, visual indicators, or mechanical interlocks that provide immediate feedback when components are properly assembled. This feedback system ensures structural integrity is maintained while keeping the assembly process straightforward and error-resistant.
3Adaptability or versatility
If multiple configurations of stud rails are engineered for different locations, then specific structural requirements are met, but assembly time and cost increase
Solution Approach 1:
The stud rail system employs universal components and standardized connection interfaces that can be used across multiple locations and configurations. By designing modular elements that can be arranged in different patterns, the system adapts to various structural requirements without requiring completely different assemblies for each location, thereby reducing assembly time.
Data Source
AI summary
A stud rail system for a reinforced concrete structure defining a column portion and a slab portion comprises at least one stud rail assembly. The at least one stud rail assembly comprises a plurality of rail portions, a plurality of cross portions, a plurality of pin projections, and a plurality of support assemblies. Each rail portion supports at least one of the plurality of pin projections. Each of the support assemblies engages one of the plurality of rail portions such that the plurality of rail portions are rotatably connected to the plurality of cross portions to allow the stud rail assembly to be reconfigured between a collapsed configuration and an expanded configuration.