From steel to FRP, from welding to adhesives. A new proposal for infrastructure maintenance. Shut out water leakage from manholes into bridge piers.
A new fusion solution that combines excellent durability and lightweight FRP material with PLEXUS structural adhesive, which boasts outstanding fatigue resistance. Features: - New technology: A drainage plate installed on the manhole cover and bottom component prevents rainwater intrusion. - Patent obtained (No. 5877926) - Significantly reduces processes compared to conventional methods, contributing to total cost reduction. - Simple workability.
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basic information
D・FRP Manhole Features ○ Significant weight reduction Steel manhole 25kg → FRP manhole 4kg ○ Prevention of leakage Structure that does not leak (installation of a riser plate and drainage) ○ Improved durability Corrosion-resistant (steel structure → FRP) ○ Enhanced workability Can be opened and closed without special tools Structural Adhesive PLEXUS Features ○ High durability against fatigue ○ Excellent workability ○ Bonding alternative to welding ○ Durability against environmental factors For more details, please download the catalog.
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Applications/Examples of results
Switching from existing steel manholes.
Detailed information
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FRP manhole A lightweight and durable FRP manhole.
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FRP manhole The drainage board at the bottom component shuts out water leakage.
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Structural adhesive Plexus As an adhesive solution to replace welding, Plexus boasts a wealth of implementation achievements in the automotive and construction industries, offering strong adhesion as well as excellent vibration and shock resistance. One of its major advantages is that it is easy for anyone to use.
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Company information
DEVCON is a shortened product name for CHEMICAL DEVELOPMENT CORPORATION, which was established in 1947, and is a trademark for groundbreaking industrial maintenance materials represented by plastics and steel. Today, DEVCON products are developed and provided for a variety of applications, including repair, tooling, casting, bonding, and sealing, based on epoxy resins, polyurethane resins, and methacrylate resins.