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"Arch culvert" has an arch shape at the top and a box shape at the bottom, allowing the upper load to be transmitted as axial compressive force. The bending moment that occurs in the upper part and side walls of the member is significantly reduced compared to a box shape, enabling it to have high strength. Therefore, it is particularly effective against large soil cover and demonstrates economic efficiency. 【Features】 - Economic efficiency due to high strength - High water-tightness with rubber rings - Flexibility due to the elasticity of rubber rings - Economic efficiency through shortened construction periods For more details, please contact us or download the catalog.
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【Features】 ○ By using rubber rings at the joint, high water-tightness can be ensured. ○ Since rubber rings are used, flexibility due to elasticity is exhibited, eliminating concerns about water leakage. → Unlike conventional mortar caulking, there is no worry about water leakage even with slight uneven settling of the ground. ○ Because rubber rings are used, there is no need to apply mortar joints at the joint, making construction easy. → This leads to economic benefits through reduced construction time. ○ There is no need for concrete wrapping required for circular pipes. → This results in excellent workability and cost-effectiveness. ● For more details, please contact us or download the catalog.
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Tosaya Concrete Industry Co., Ltd. has steadily expanded its business since its establishment in 1972, aiming for the development of the local community as a comprehensive concrete product manufacturer. We provide concrete products with extremely high maintenance needs, such as centrifugal reinforced concrete pipes and assembled manholes, which often go unnoticed in daily life. By handling a wide range of products, including retaining wall products and drainage channel products, we propose various concrete products tailored to different applications. Moving forward, we will continue to respond quickly to the diversifying construction demands, dedicating ourselves to sales activities and research and development of new products with the motto of "Customer Satisfaction First." Our corporate mission is to create three types of prosperity: "the richness of the local community," "the richness of our customers and business partners," and "the richness of our employees and their families," and we are committed to making continuous efforts towards this goal.