Portable U-Shaped Cofferdam for Rapid Culvert Isolation
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Solution Overview
Problem
Conventional cofferdams are labor intensive and time-consuming to install, particularly for small applications like providing a dry working area around a culvert, and they are not designed for use in smaller work environments.
Innovation Solution
A portable cofferdam system comprising a first and second sidewall with a middle wall forming a U-shaped structure, allowing for easy positioning and installation around the inlet of a culvert, with features like tapered sides for deeper water penetration and connectors for manipulation and support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional cofferdams are used for small applications like culverts, then they can provide a dry working area, but they require significant labor and installation time
Solution Approach 1:
The cofferdam is divided into multiple modular wall sections that can be independently manufactured, transported, and assembled. Each wall section includes integrated connection features that allow rapid assembly without requiring complex welding or fastening operations, significantly reducing installation time and labor requirements while maintaining structural integrity.
2Adaptability or versatility
If conventional cofferdams are used for small applications like culverts, then they can provide a dry working area, but they are not designed for smaller work environments
Solution Approach 1:
The cofferdam system uses modular wall sections that can be configured in different arrangements to suit various culvert sizes and work environment requirements. The standardized connection features allow flexible assembly without requiring complex custom fabrication, achieving adaptability while maintaining structural simplicity.
Solution Approach 2:
The wall sections are designed with universal connection features that can accommodate different culvert diameters and depths. The same basic module can be used for various applications by simply changing the number of sections or their arrangement, eliminating the need for multiple specialized designs and reducing overall structural complexity.
Data Source
AI summary
A portable cofferdam system for isolating a working area from water such as a culvert. The portable cofferdam system generally includes a first sidewall and a second sidewall each having an interior side, an exterior side, an upper edge, a lower edge and a rear edge. A middle wall is connected to the sidewalls opposite of the rear edges of the sidewalls forming a substantially U-shaped structure. An opening formed between the rear edges of the first sidewall and the second sidewall to allow for positioning about or near the inlet of an object or area to be kept dry such as the inlet of a culvert.