[Construction Case] Disaster Recovery Concrete Pavement Slab Settlement Correction Work
Our method, which raises the CO pavement slab using the foaming pressure of rigid urethane resin, has been adopted!
We would like to introduce a case of "Disaster Recovery Concrete Pavement Slab Settlement Correction Work" conducted on the Route 4 Bypass in Koriyama, Fukushima Prefecture. This is the restoration work for the CO pavement slabs of the Route 4 Koriyama Bypass, which were damaged and settled due to the Great East Japan Earthquake. While limiting traffic restrictions during construction to lane reduction only, our method was adopted to raise the still sound CO pavement slabs using the foaming pressure of rigid polyurethane resin without replacement. 【Case Overview】 ■ Construction Area: Approximately 2,430 m2 ■ Area: Route 4 Bypass in Koriyama ■ Construction Period: 24 days (March 2013) ■ Client: Tohoku Regional Development Bureau, Koriyama Route Office *For more details, please refer to the PDF document or feel free to contact us.
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We carry out construction to correct the sinking, tilting, steps, and gaps in concrete floors caused by uneven ground subsidence in buildings such as factories, warehouses, stores, and general residences, using our unique "Upcon Method" with completely non-fluorinated urethane resin and small machinery. Additionally, we are engaged in public works that utilize technologies developed through various research and development projects to restore the functionality of aging social infrastructure such as roads, airports, ports, and agricultural waterways. ■ Features of the Upcon Method 1. Short construction period: The construction time is 1/10 of conventional methods. 2. No interruption of operations: No need to move machinery or cargo. 3. Comprehensive high technical capability: 100% in-house employees. 4. Compact construction system: Quick restoration to the current state is possible. 5. Reduced risk of re-subsidence: Lower risk of re-subsidence compared to conventional methods. Our in-house staff provides total support from on-site surveys across the country to repair planning and construction, taking full responsibility. Our specialized and experienced in-house staff will propose the optimal repair plan tailored to your site. Upcon Co., Ltd. was newly listed on the Nagoya Stock Exchange Next Market on December 26, 2022.