[Construction Case] Toy Retail Store / Electronics Retail Store: Earthquake Recovery / Floor Slab Settlement Correction Work
Due to the impact of the Great East Japan Earthquake, the floor inside the store has significantly sunk! There have been cases where gaps have formed between the floor and the walls, as well as between the walls and the ceiling.
This is a case study of "disaster recovery construction" and "floor sinking correction work" conducted at a toy retail store and an electronics retail store in Fukushima Prefecture. Due to the impact of the Great East Japan Earthquake, the floor inside the toy retail store sank significantly. As a result of the floor sinking, gaps were observed between the floor and walls, as well as between the walls and ceiling. To address this, an up-con method that could be implemented during nighttime while the store was closed was adopted, and our company carried out the correction work. Additionally, since voids were also observed beneath the floor, void filling work was conducted by injecting polyurethane resin into the gaps. [Case Overview] ■ Construction Area: Approximately 2,300m2 ■ Maximum Sinking Amount: 144mm ■ Area: Fukushima Prefecture ■ Construction Period: Continuous 11 nights (2012) *For more details, please refer to the PDF document or feel free to contact us.
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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.
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