Road Concrete Pavement Slab Settlement Correction Method Achieves Early Lifting of Traffic Restrictions
We will correct the irregularities such as steps and flapping that have occurred in the concrete pavement slabs using specially developed high-strength polyurethane resin, without excavation and within a short construction period.
Using a specially developed high-strength polyurethane resin, we will correct the deformation such as steps and fluttering that occur in concrete pavement slabs commonly used on highways, as well as fill the gaps and voids that have developed under bridge deck slabs, all without breaking the existing concrete pavement and within a short construction period. Injecting polyurethane resin will also improve the loosening of the subgrade. Additionally, it enables the lifting of joints with polyurethane resin along with the bearing slab, fundamentally resolving the issue of correcting the step at the joint, which traditionally required excavation and long-term continuous restrictions or road closures.
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basic information
【Features】 ■ Short construction period Compared to the replacement method, the construction period is about 1/10. ■ Eliminates looseness in the surface subgrade By injecting liquid urethane, urethane resin fills the gaps in the crushed stone, reinforcing the subgrade. ■ Corrects sinking of the bearing plate without excavation Enables non-excavation work, allowing for early lifting of traffic restrictions. ■ Compact construction package Construction is possible by simply deploying a truck equipped with all necessary materials and equipment. 【Construction Process】 1. Plant vehicle setup All necessary equipment for construction, including generators, compressors, injectors, and hoses, is loaded onto the truck. 2. Preparation work Conduct leveling surveys before construction to confirm the current conditions. Mark at 1-meter intervals and drill small holes with a diameter of 16mm. 3. Injection work Inject urethane in stages while continuously checking the level of the road surface. 4. Miscellaneous work and completion Conduct leveling surveys, fill the injection holes, and complete the work. Upcon conducts everything from investigation to construction consistently and responds quickly. *Please feel free to contact us if you have any questions.
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[Achievements] Kanto Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Chubu Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Tohoku Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Hokuriku Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, Kinki Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism, etc. Highway companies
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Company information
We carry out construction work 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 a completely non-fluorinated urethane resin and our unique "Upcon Method" with 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 of the current state is possible. 5. Reduced risk of re-subsidence: Lower risk of re-subsidence compared to conventional methods. We provide total support from on-site surveys nationwide to repair planning and construction, all handled responsibly by our in-house staff. Our specialized and experienced 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.