Applicable to reinforced concrete pipes! Seismic retrofitting method for rehabilitation pipes and manhole connections using non-excavation.
"Remake Ring" is a seismic retrofitting method that installs flexible joints at the connection between the rehabilitation pipe (self-supporting pipe) and the manhole without excavation, designed to accommodate the extraction, protrusion, and bending of the rehabilitation pipe under Level 2 seismic motion. It is possible to install flexible joints in areas where pipe rehabilitation methods have been completed, as well as in conjunction with the pipe rehabilitation method. This method can be applied to existing reinforced concrete pipes and ceramic pipes. 【Features】 ■ Seismic retrofitting method for the connection between rehabilitation pipes and manholes without excavation ■ Accommodates extraction, protrusion, and bending of rehabilitation pipes under Level 2 seismic motion ■ Construction technology review certification obtained No. 1712 *For more details, please refer to the PDF document or feel free to contact us.
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【Scope of Application】 ■ Applicable existing pipe types: Reinforced concrete pipes, ceramic pipes ■ Applicable rehabilitation pipes: Standalone pipes ■ Applicable existing pipe diameters: 200 to 700 mm ■ Applicable manholes ・ Inner diameter 900 to 1500 mm ・ Wall thickness 75 to 300 mm (circular) ・ Manhole cover rating 600 and above *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■ Reinforced concrete pipes, ceramic pipes *For more details, please refer to the PDF document or feel free to contact us.
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The NS-R Construction Method Association aims to promote, develop, and improve the technology of the seismic reinforcement methods for sewer pipes, namely the "NS Cutting Method" and "Remake Ring," with the goal of minimizing damage during disasters and contributing to the creation of safe communities. We also hold training sessions to ensure that our members can carry out safe and efficient construction, so please feel free to contact us if you have any requests.
