High water resistance! Reduced lifecycle costs through partial replacement with a bolt fastening structure!
The "Hinoductile Joint α (for road use, general regional type)" is a cast iron expansion device that excels in replaceability, durability, and running safety. By bolting the main body of the expansion device to the slab, it allows for partial replacement of only the main body during the next replacement, enabling the reuse of the foundation mortar and reducing the life cycle cost (LCC)! Additionally, made from Hinoductile cast iron, which possesses strength and elongation, it features an optimized structure that enhances durability. The surface layer incorporates a textured structure similar to the ASD (Anti-Slipping-Design®) developed for manhole covers, providing slip resistance that lasts for an extended period, equivalent to or better than wet asphalt. 【Features】 ■ Reduced life cycle costs through partial replacement with a bolted structure ■ Achieves durability equivalent to 30 years through unique cast iron technology ■ Load-bearing plates and dust-proof materials ■ Semi-circular shape mitigates impacts during vehicle passage ■ Applies slip-resistant structure developed for manhole covers ■ Protection of waterproofing materials with minimal changes in slip resistance values ■ High waterproofing at connection surfaces *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications】 Model Extension Amount Maximum Play Adaptation Weight HDJ-CV-R20 20mm(±10mm) 80mm 43.5Kg/m HDJ-CV-R40 40mm(±20mm) 120mm 47.6Kg/m HDJ-CV-R60 60mm(±30mm) 160mm 84.5Kg/m HDJ-CV-R80 80mm(±40mm) 200mm 91.2Kg/m *For more details, please refer to the catalog. Feel free to contact us with any inquiries.
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Applications/Examples of results
【Usage】 ■ Installation work for bridge expansion joints, etc. *For more details, please refer to the PDF document or feel free to contact us.
Line up（4）
| Model number | overview |
|---|---|
| HDJ-CV-R20 | LCC reduction series, for road use, surface asphalt construction, for expansion amount of 20mm |
| HDJ-CV-R40 | LCC reduction series, for road use, surface asphalt construction, for expansion amount of 40mm |
| HDJ-CV-R60 | LCC reduction series, for road use, surface asphalt construction, for expansion amount of 60mm |
| HDJ-CV-R80 | LCC reduction series, for road use, surface asphalt construction, for expansion amount of 80mm |
catalog（4）
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CAD data（8）
| Model number | overview | File |
|---|---|---|
| HDJ-CV-R20 | LCC Reduction Series, for roadways, surface asphalt construction, for expansion amount of 20mm. |
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| HDJ-CV-R20 (with secondary water stop in the shape of a groove) | LCC reduction series, for roadways, surface asphalt construction, for expansion of 20mm, with gutter-type secondary water stop. |
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| HDJ-CV-R40 | LCC Reduction Series, for roadways, surface asphalt construction, for expansion amount of 40mm. |
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| HDJ-CV-R40 (with secondary water stop in the shape of a gutter) | LCC reduction series, for roadways, surface asphalt construction, for expansion of 40mm, with gutter-type secondary water stop. |
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| HDJ-CV-R60 | LCC Reduction Series, for roadways, surface asphalt construction, for expansion amount of 60mm. |
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| HDJ-CV-R60 (with secondary water stop in the shape of a gutter) | LCC Reduction Series, for roadways, surface asphalt construction, for expansion of 40mm, with gutter-type secondary water stop. |
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| HDJ-CV-R80 | LCC Reduction Series, for roadways, surface asphalt construction, for expansion amount of 80mm. |
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| HDJ-CV-R80 (with secondary water stop in the shape of a groove) | LCC reduction series, for roadways, surface asphalt construction, for expansion of 80mm, with gutter-type secondary water stop. |
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Company information
Bridge expansion devices require sufficient durability to withstand years of vehicle traffic, and it is important to select products that consider maintenance methods from the design stage, allowing for easy replacement and reducing lifecycle costs. Our company offers ductile cast iron expansion devices that excel in replaceability, durability, and safety.
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