Clevis-Connected Beam System for Rapid Arch Erection
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Solution Overview
Problem
Existing beam systems for large building structures, such as aircraft hangars, are costly, time-consuming to erect, and require expensive tools and skilled labor, limiting their use in locations where resources are scarce.
Innovation Solution
A beam system comprising dual flange clevis components and a method for erecting a supporting arch using structural elements connected by clevis joints, which can be easily assembled and disassembled, allowing for rapid construction without the need for expensive equipment or skilled labor, using a combination of straight and curved structural elements connected by clevis pins and retainers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional beam systems are used for large building structures, then structural strength and stability are achieved, but construction time and cost increase significantly
Solution Approach 1:
The beam system is divided into multiple modular segments that can be independently manufactured and transported. Each segment contains standardized connection points that allow for rapid assembly without requiring complex on-site fabrication, thus reducing construction time while maintaining structural integrity through engineered connection details.
Solution Approach 2:
Connection components and structural segments are pre-assembled and pre-positioned in a controlled manufacturing environment before transport to the construction site. This preliminary preparation eliminates time-consuming on-site assembly operations and ensures proper alignment and connection strength are achieved before the structure is erected.
2Stability of the object's composition
If traditional beam systems are used for large building structures, then structural stability is achieved, but skilled labor and expensive equipment are required
Solution Approach 1:
The beam system employs universal connection components that can be used across all structural segments and configurations. Standardized bolts, brackets, and connection plates serve multiple functions including structural attachment, alignment, and stabilization, eliminating the need for specialized tools or highly skilled labor while maintaining structural stability through consistent connection geometry.
Solution Approach 2:
The structural segments are designed with self-aligning features and self-explanatory connection mechanisms that allow workers to assemble the structure using basic skills and common tools. Connection components are pre-marked with alignment features and assembly instructions, enabling the structure to guide its own assembly process without requiring expert intervention.
3Strength
If complex assembly methods are used to ensure structural integrity, then connection strength is improved, but assembly complexity and cost increase
Solution Approach 1:
Multiple connection functions are merged into single integrated components. Connection brackets simultaneously provide structural attachment, alignment, and load distribution functions. Bolt patterns and connection geometries are designed to achieve multiple structural objectives in a single assembly operation, reducing the number of separate connection elements required while maintaining or enhancing connection strength.
Solution Approach 2:
Connection strength is optimized by carefully selecting and standardizing bolt specifications, material grades, and connection geometries. By establishing fixed parameters for connection components (bolt sizes, hole patterns, bracket dimensions), the system achieves consistent high-strength connections without requiring complex variable adjustments or specialized assembly procedures during construction.
Data Source
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AI summary
A beam system and method of erecting a supporting arch enables large roofed structures to be erected quickly and economically. The method includes aligning a plurality of structural elements longitudinally; connecting upper corners of the structural elements to upper corners of adjacent structural elements, wherein adjacent lower corners of the structural elements remain unconnected; elevating first and second structural elements in a middle of the supporting arch; connecting lower corners of the first and second structural elements together; elevating third and fourth structural elements adjacent the first and second structural elements, respectively; and connecting lower corners of the third and fourth structural elements to lower corners of the first and second structural elements, respectively..