No secondary water stop needed - seismic performance achieved! An embedded expansion device developed in Europe.
The "PA Joint" is an embedded expansion device that does not require secondary water stopping and has seismic resistance due to its ability to expand and contract in all directions, 360 degrees. It exhibits better performance against temperature fluctuations and can accommodate a maximum expansion of up to 100mm. Additionally, the ground cover can be constructed with the same material, allowing for seamless water stopping. 【Features】 ■ Wheel tracking test: 52,500 rotations/mm ■ Durability performance is several times greater than the heavy traffic standard value of 3,000 rotations/mm ■ No need for secondary water stopping; seismic performance is also achieved ■ Ground cover can be constructed with the same material ■ Exhibits the same expansion and contraction performance in all 360 degrees *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Lineup】 RC bridges, PC bridges, steel bridges, and vertical joints compatible with shooting angles from all directions ■ PA Type ・PA20 ・PA30 ・PA40 ・PA60 *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
Company information
Kouwa Commercial Co., Ltd. was established in October 1975 by separating the sales division of Hirokuchi Block Co., Ltd., a comprehensive manufacturer of concrete products, and has since developed into a general trading company dealing in concrete secondary products, steel materials, civil engineering and construction materials, reaching this milestone after 50 years. During this time, in response to the diverse society alongside economic development, we have earnestly committed ourselves to the advancement of our business, upholding sincerity and trust as our principles. As a result, thanks to the support of many related industries, we have been able to build a solid foundation of trust. We sincerely appreciate and thank our clients and all those in related industries for their support and guidance. All of us at the company, as we welcome the 21st century, are eager to continue advancing businesses that meet the needs of the local community and fulfill our mission. We kindly ask for your continued guidance and support, and we extend our greetings.
