Modular Sidewalk Shed Assembly With Plus-Shaped Leg Sections
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Solution Overview
Problem
Existing sidewalk shed systems are cumbersome and time-consuming to assemble, lack flexibility in customization, and do not provide efficient support for construction workers at heights above ground level.
Innovation Solution
A sidewalk shed system utilizing plus-shaped leg sections with rod headers, header beams, senior beams, and braces, along with a platform and barrier, allowing for quick assembly and disassembly through pin connections and customizable configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional H- or I-shaped parts with clamps and screws are used for connections, then the structural strength is maintained, but the assembly time and complexity increase significantly
Solution Approach 1:
The leg sections are divided into modular components with standardized connection points. The plus-shaped cross-section with predetermined holes allows individual leg sections to be connected independently to header beams and braces, enabling parallel assembly and reducing overall assembly time while maintaining structural integrity through distributed connection points.
Solution Approach 2:
The rod headers serve as intermediary connection elements that simplify the joining process. These pre-fabricated connection components with standardized threading and geometry act as mediators between leg sections and header beams, eliminating the need for complex field assembly of clamps and multiple fasteners while ensuring consistent structural strength.
2Adaptability or versatility
If standardized H- or I-shaped parts are used, then manufacturing is simplified, but flexibility and adaptability for customization are reduced
Solution Approach 1:
The plus-shaped leg sections with standardized hole patterns serve multiple functions: they provide structural support, enable various connection configurations through different hole selections, and accommodate different header beam positions. This universal design allows the same leg section to be used in multiple locations and orientations, providing configuration flexibility without requiring custom-manufactured parts for each application.
Solution Approach 2:
The design allows for parameter changes in the connection configuration by selecting different combinations of the predetermined holes in the plus-shaped sections. Users can adjust the spacing, orientation, and number of connections by choosing different hole patterns, enabling customization of the shed configuration while maintaining standardized manufacturing of the leg sections themselves.
3Stability of the object's composition
If more connection points and bracing are added to enhance stability, then structural stability improves, but the device complexity and assembly difficulty increase
Solution Approach 1:
The rod headers and connection holes are pre-positioned and pre-threaded during manufacturing, so that field assembly simply requires inserting and tightening fasteners. This preliminary preparation of connection elements ensures structural stability through proper placement of bracing and connections while dramatically simplifying the actual assembly operation at the construction site.
Solution Approach 2:
The design replaces complex mechanical connection systems (multiple clamps, bolts, and adjustment mechanisms) with a simplified threaded rod and nut system. The predetermined holes in the plus-shaped sections provide fixed connection points that ensure proper geometry and stability, while the threaded rods provide simple, tool-friendly fastening that is easier to assemble than traditional clamp-and-bolt systems.
Data Source
AI summary
According to one aspect of the present disclosure, a sidewalk shed section can include a first and second pair of leg sections, wherein at least a portion of each leg section is plus-shaped, and each leg section can include a rod header located at a top end of the plus-shaped portion; at least one hole located at a bottom end of the plus-shaped portion; and a bracket configuration.