Surely prevent water leakage from the end of the expansion device! Confirmed water tightness equivalent to 30 years!
The "Hinodakutairu Joint α Ground Cover Water Stop (Embedded Type)" prevents water leakage from the ends by raising a water stop material at the ends of the expansion device and embedding it within the ground cover. Like the main body of the expansion device, water tightness equivalent to 30 years has been confirmed through the NEXCO water stop test (Test Method 438). 【Features】 ■ The water stop material is an elastic sealing material based on polybutadiene, similar to the main body of the expansion device. ■ Integrated with the main body of the expansion device in the factory. ■ Two height options are available to suit the installation environment. *For more details, please refer to the PDF document or feel free to contact us.
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【Construction Overview】 1. Removal of existing joints and chipping of the ground cover 2. Installation of the product 3. Mortar placement for the expansion device body 4. Formwork assembly for the ground cover 5. Mortar filling of the ground cover 6. Caulking of the ground cover joints - Completion of work *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■ Road construction and others *For more details, please refer to the PDF document or feel free to contact us.
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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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