Bridge Overhang Structure with Rod-Mounted Formwork and Barriers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bridge overhang construction methods are labor-intensive, pose safety risks for workers, and do not provide adequate support during concrete setting.
Innovation Solution
A construction method using rods affixed to the beam, with L-shaped structures and horizontal profiles that serve as formwork and safety barriers, allowing for easy, fast, and safe overhang construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If braces and ties are used to support the overhang structure, then structural support is improved, but labor requirements and safety risks increase
Solution Approach 1:
The patent removes the complex brace and tie system from the overhang support structure. Instead of using multiple braces and ties, the invention uses a simplified system with rods affixed to the beam that directly support the formwork, eliminating the need for additional bracing elements and reducing labor requirements while maintaining structural support.
Solution Approach 2:
The rods serve multiple functions: they provide structural support for the overhang, act as attachment points for the formwork, and eliminate the need for separate braces and ties. This multi-functional approach reduces the overall complexity of the support system and decreases labor requirements.
2Stability of the object's composition
If braces and ties are placed to support the overhang, then structural stability is improved, but worker safety risks increase
Solution Approach 1:
The patent eliminates the braces and ties that create safety hazards by removing them from the support system. The simplified rod-based system provides the same structural stability without requiring workers to be positioned in dangerous locations or handle complex bracing elements.
Solution Approach 2:
Instead of adding more support elements (braces and ties) to improve stability, the invention inverts the approach by reducing the number of support elements to a minimal set of rods that are easier and safer to work with, achieving the same stability with fewer components.
3Ease of manufacture
If traditional formwork methods are used, then construction is completed, but construction time and labor intensity increase
Solution Approach 1:
The formwork system is segmented into modular components that can be quickly assembled and disassembled. The rods are pre-affixed to the beam, and the formwork elements can be independently positioned and secured, allowing for rapid construction completion without time-consuming assembly procedures.
Solution Approach 2:
The rods are pre-affixed to the beam before the formwork is installed. This preliminary action eliminates the need for on-site assembly of support structures, reducing construction time and allowing workers to focus only on installing the formwork and pouring concrete.
Data Source
AI summary
Overhang structure for bridges including a horizontal section (41) and an upwards section (42). The horizontal section (41) has at least one integral horizontal profile (7) at its free end. It may also include a strip made of a malleable material on the lower side of the horizontal section (41). The construction method includes the steps of: placing a set of rods near an outmost edge of an outmost beam; placing the beam on its supports; placing a set of overhang structures on the rods, so the profiles are close to the rods; and affixing the structures to the beams with a retainer in each rod.