Cold Formed Metal Stud Composite Concrete Integration
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Solution Overview
Problem
There is a lack of metal studs specifically designed for use in both composite and non-composite applications that are light, strong, durable, economically manufactured, and can be readily modified for various construction needs.
Innovation Solution
A cold formed metal stud with a vertically extending web and flange portions, featuring channels, web openings, stiffening ribs, and perforations, which can be used in composite applications by embedding in concrete panels to form a composite panel assembly, and can be arranged in a double configuration for enhanced resistance to buckling and twisting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal studs are used in composite applications with concrete panels, then structural strength and load capacity are improved, but manufacturing complexity increases due to the need for specific flange designs and embedding procedures
Solution Approach 1:
The stud is pre-formed with specific flange geometries and channel configurations during cold forming that are optimized for concrete embedding. The flange portions are designed with predetermined shapes that facilitate proper positioning and bonding with concrete panels, eliminating the need for complex field modifications or assembly procedures.
Solution Approach 2:
Different portions of the stud have specialized geometries tailored to specific functions: the web provides structural strength, the flange portions are designed for concrete embedding with specific shapes, and channels are positioned to accommodate fasteners or utilities. This localized optimization allows the stud to achieve high structural performance without requiring complex overall design.
2Strength
If cold forming process is used to increase yield capacity, then material strength is improved, but the material must be worked below recrystallization temperature which limits processing options
Solution Approach 1:
The cold forming process parameters are optimized to achieve the desired yield capacity increase while maintaining material ductility. By controlling the degree of deformation, forming temperature within the ambient range, and subsequent heat treatment if needed, the steel is strengthened without requiring heating above recrystallization temperature, thus maintaining processing simplicity.
3Stability of the object's composition
If double stud arrangement is used to resist buckling and twisting, then structural stability is improved, but the quantity of material and assembly complexity increase
Solution Approach 1:
Two studs are arranged back-to-back and connected through the concrete panel to form a composite assembly. This merging of two individual studs creates a unified structural element with enhanced buckling and twisting resistance, while the shared concrete embedding reduces the total material quantity compared to using two separate embedded studs.
4Reliability
If studs are designed for specific composite applications, then performance in those applications is improved, but adaptability to non-composite applications decreases
Solution Approach 1:
The stud design incorporates a standardized web and flange configuration that can function effectively in both composite concrete applications and non-composite metal stud applications. The flange portions can be embedded in concrete when needed, or used as traditional metal stud flanges for framing and attachment, allowing the same component to serve multiple application types without sacrificing performance in either.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a strong, stiff, and durable stud assembly that can be used in various materials, including concrete, fiberglass, and polymer resin, offering improved structural characteristics and load capacity while being economically manufactured and adaptable to different applications.
Implementation Method 1
embedding a first flange portion of a cold formed metal stud in the concrete panel, the first flange portion located along a first longitudinal edge of a vertically extending web of the cold formed metal stud such that when the concrete panel solidifies the cold formed metal stud and the concrete panel form a composite panel assembly
Data Source
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AI summary
A cold formed metal stud is provided for commercial and residential construction applications. The metal stud of the present invention is suitable for use in both composite and non-composite applications. The metal stud of the present invention includes an intermediate web, a first flange and a second flange. The first flange has a longitudinally extending channel. Each of the intermediate web, first flange and second flange may include a number of different design features that can increase the structural and heat transfer characteristics of the metal stud.