Collection of Case Studies on Recovery and Reconstruction Works Due to Disasters such as Earthquakes
Quickly resolve issues such as 'subsidence, tilting, steps, bending, gaps, and voids' caused by disasters like earthquakes and liquefaction.
Upcon specializes in the repair of concrete floors in building structures (factories, warehouses, stores, residential buildings, school facilities, etc.) and concrete pavement slabs commonly used in highways and port facilities, which have suffered from subsidence, tilting, step differences, bending, gaps, and voids caused by disasters such as earthquakes and liquefaction. Using specially developed high-strength urethane resin, we make repairs without halting operations and within a short construction period. Since its establishment in 2003, Upcon has been involved in many recovery and reconstruction projects due to significant earthquakes and other disasters. Examples and information about recovery projects are provided at the link below. We hope this will serve as a reference for those considering recovery work.
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basic information
For the existing concrete floor and concrete pavement where sinking, unevenness, tilting, and gaps have occurred, small holes with a diameter of 16mm will be drilled, and while continuously monitoring the level in millimeter increments, polyurethane resin will be injected. The polyurethane resin injected under the floor and into the concrete pavement will compress and strengthen the ground with pressure that causes it to foam in a short time, improving the bearing capacity and correcting the concrete floor and pavement by pushing them up from below. Additionally, if gaps have formed under the floor, they will be filled using the same method.
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Applications/Examples of results
■Concrete floor slab settlement correction and void filling ■Concrete pavement slab settlement correction and void filling work
catalog（18）
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![[Factory/Warehouse Edition] Concrete Floor Slab Settlement Correction Method](https://image.www.ipros.com/public/catalog/image/01/a8b/574717/IPROS26834563507502257761.jpeg?w=120&h=170)
![[Construction Case Study/Factory Edition Vol. 1] Settlement Correction and Void Filling Work for a Bag Manufacturing Factory](https://image.www.ipros.com/public/catalog/image/01/2e3/649428/IPROS09434185074319628739.jpeg?w=120&h=170)
![[Construction Case Study/Factory Edition Vol.2] Settlement Correction and Void Filling Work for Precision Parts Manufacturing Factory](https://image.www.ipros.com/public/catalog/image/01/60a/649429/IPROS31170878921170722761.jpeg?w=120&h=170)
![[Construction Case Study Factory Edition Vol. 3] Correction Work for Sunken Floor Slab in a Metal Processing Factory](https://image.www.ipros.com/public/catalog/image/01/7cc/727508/IPROS94865378217145340721.jpeg?w=120&h=170)
![[Construction Case Study/Warehouse Vol. 1] Settlement Correction and Void Filling Work for Warehouse and Factory](https://image.www.ipros.com/public/catalog/image/01/d17/644938/IPROS68258418151929232212.jpeg?w=120&h=170)
![[Construction Case Study/Warehouse Vol.2] Settlement Correction Work for Automobile Manufacturer's Office and Parts Storage](https://image.www.ipros.com/public/catalog/image/01/d82/644772/IPROS41981554215493828964.png?w=120&h=170)
![[Construction Case Study/Warehouse Edition Vol. 3] Correction of Floor Settlement (Leveling Correction) in a Logistics Center](https://image.www.ipros.com/public/catalog/image/01/440/691142/IPROS92327252784948285479.jpeg?w=120&h=170)
![[Store Edition] Concrete Floor Slab Settlement Correction Method](https://image.www.ipros.com/public/catalog/image/01/5c8/573850/IPROS25229983900909985770.jpeg?w=120&h=170)
![[Road Section] Concrete Pavement Slab Repair Method](https://image.www.ipros.com/public/catalog/image/01/517/569862/IPROS83319363143977941547.jpeg?w=120&h=170)
![[Construction Case Study/Road Edition Vol. 1] Kanmon Tunnel Concrete Pavement Slab Void Filling Work](https://image.www.ipros.com/public/catalog/image/01/67d/652383/IPROS18287232451842893111.jpg?w=120&h=170)
![[Construction Case Study/Road Edition Vol. 2] Joban Expressway Nagareyama IC Restoration and Repair Work](https://image.www.ipros.com/public/catalog/image/01/d1a/652747/IPROS13288921954826130650.jpg?w=120&h=170)
![[Construction Case Studies/Road Edition Vol. 3] Kumamoto Area Maintenance Work](https://image.www.ipros.com/public/catalog/image/01/e51/734403/IPROS53906301993472782704.png?w=120&h=170)
![[Construction Case Study/Port Edition Vol. 1] Port Maintenance Management Work (Quay Restoration) Subsidence Correction and Void Filling](https://image.www.ipros.com/public/catalog/image/01/93a/646469/IPROS7250851689726681210.jpeg?w=120&h=170)
![[Construction Case Study / Port Edition Vol. 2] Onagawa Fishing Port Miyagazaki Quay Disaster Recovery Project](https://image.www.ipros.com/public/catalog/image/01/f20/647656/IPROS5098479422774090087.jpg?w=120&h=170)
![[Construction Case Study / Port Edition Vol. 3] Repair Work for Port Facilities: Correction of Subsidence on RTG Travel Path](https://image.www.ipros.com/public/catalog/image/01/359/723873/IPROS56912473679892218552.jpeg?w=120&h=170)
![[Construction Case Study / Port Edition Vol. 4] Sendai Shiogama Port (Ishinomaki Area) Hibari-no Chuo Pier Quay Disaster Recovery Work](https://image.www.ipros.com/public/catalog/image/01/6e4/734399/IPROS3107554405782613509.jpeg?w=120&h=170)
Company information
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.
![[Construction Case] Slab Foundation House: Settlement Correction Work (Kanagawa Prefecture)](https://image.www.ipros.com/public/product/image/d35/2001214112/IPROS82775617674165754626.png?w=280&h=280)
![[Construction Example] Restoration Work of a Wooden House in Mihama 3-chome, Urayasu City, Chiba Prefecture](https://image.www.ipros.com/public/product/image/5f0/2000495424/IPROS73556627643347780831.png?w=280&h=280)
![[Construction Case] Vibration Suppression in Precision Parts Manufacturing Factory - Void Filling Work](https://image.www.ipros.com/public/product/image/dce/2000805581/IPROS16201383356472785712.jpeg?w=280&h=280)
