Shear Wall Panel Corner Bracket Design
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Solution Overview
Problem
The assembly and quality control of structural shear wall panels can be difficult, and onsite securement to other structural components is awkward, often requiring adaptations for different field installation issues, particularly due to the need for bracing arrangements that reinforce the panels and maintain structural integrity under varying loads.
Innovation Solution
A shear wall panel design featuring L-shaped structural brackets with horizontal and vertical flanges, anchor ports, and pivot pin connections for diagonal bracing members, allowing for adjustable tension and securement to building structures, which simplifies installation and enhances structural integrity by accommodating site variations and load conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If diagonal bracing members are provided interior to the panel, then the outer face of the panels remains consistent with other building components, but the assembly and quality control becomes difficult
Solution Approach 1:
The bracket is divided into distinct functional segments: a mounting portion that attaches to the frame, a reinforcing portion that extends into the panel interior, and a bracing interface that connects to diagonal members. This segmentation allows the bracket to perform multiple functions while maintaining ease of assembly and quality control through modular construction
Solution Approach 2:
The bracket is pre-assembled and pre-positioned at the panel corners before the diagonal bracing members are installed. This preliminary action ensures proper alignment and simplifies quality control, as the bracket is already in its final position and orientation when the main assembly occurs
2Strength
If bracing is secured to the exterior surfaces of the panel, then the panel is reinforced, but surface finish problems occur due to stepped profile
Solution Approach 1:
The reinforcing portion of the bracket is nested within the panel interior space, with only the mounting portion visible or accessible from the exterior. This nesting arrangement allows the bracket to provide structural reinforcement while remaining concealed within the panel cavity, thus maintaining a smooth exterior surface finish
Solution Approach 2:
The bracket extends from the two-dimensional exterior surface into the three-dimensional interior space of the panel. By utilizing the depth dimension of the panel cavity, the reinforcing portion can provide structural support without protruding from the exterior face, thereby avoiding surface finish problems
3Ease of manufacture
If L-shaped brackets with brace flanges are used at corner junctions, then the panel is reinforced and assembly is simplified, but the device complexity increases
Solution Approach 1:
The L-shaped bracket is designed as a universal component that performs multiple functions: it reinforces the corner junction, provides a mounting surface for diagonal bracing, and anchors the bracing members. This multi-functionality reduces the need for multiple separate components, thereby simplifying assembly despite the increased complexity of the individual bracket structure
Solution Approach 2:
The bracket merges several structural elements into a single integrated component: the corner reinforcement, the bracing attachment point, and the anchoring mechanism are combined into one L-shaped element. This merging reduces the total number of parts and simplifies assembly procedures, even though the bracket itself has a complex geometry
Data Source
AI summary
A shear wall panel utilizes improved corner connection to effectively connect vertical chords and horizontal tracks of the shear wall panel to diagonal brace members and accommodating anchoring of the panel frame to horizontal building components. The panel frame uses structural corner brackets interiorly mounted to the corners of the panel adapted to receive anchor bolt connection adjacent the corner and diagonal bracing connection at a position spaced from the anchor bolt connection. Preferably, the shear wall panel is manufactured in a factory and shipped to a job site as a finished panel frame.