Subsidence correction work×アップコン - List of Manufacturers, Suppliers, Companies and Products

[Construction Example] Slab Foundation House: Ground Settlement Correction Work Due to Earthquake (Ibaraki Prefecture)

A maximum settlement of 500mm occurred! A case where the up-con method and single pipe pile driving method were used in combination for correction.

Here is an example of "settlement correction work" carried out on a flat foundation house located in Ibaraki Prefecture. This house was newly built and experienced a maximum settlement of 500mm due to the Great East Japan Earthquake. Due to the significant tilt, we used a combination of the up-con method and the single-pipe pile driving method for the correction. 【Case Overview】 ■ Maximum Settlement: 500mm ■ Area: Ibaraki Prefecture ■ Construction Period: 10 days *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Residential foundations
Ground foundation construction method

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[Construction Case Study] Slab Foundation House: Settlement Correction Work Due to Liquefaction - Site Tour

A case study of correcting liquefied ground due to the earthquake! Maximum settlement of about 60mm was corrected in a day and a half.

We would like to introduce a case of "settlement repair work" carried out on a shallow foundation house located in Urayasu City, Chiba Prefecture. The house sank due to the impact of the Great East Japan Earthquake. The maximum settlement of approximately 60mm was corrected in 1.5 days. Additionally, due to many requests from customers who wanted to visit our construction site, we held an open house at this site with the kind cooperation of our customers. Many people were able to visit the site. 【Case Overview】 ■ Maximum Settlement: Approximately 60mm ■ Area: Urayasu City, Chiba Prefecture ■ Construction Period: 1.5 days *For more details, please refer to the PDF document or feel free to contact us.

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Residential foundations
Ground foundation construction method

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[Construction Case] Slab Foundation House: Settlement Correction Work (Kawasaki City, Kanagawa Prefecture)

Possible to carry out construction without moving! Introducing a case where a settlement of up to 107mm was quickly corrected.

We would like to introduce a case of "settlement correction work" carried out on a slab foundation house located in Kawasaki City, Kanagawa Prefecture. The homeowner, who purchased the property as a newly built house, was deprived of a comfortable living environment due to the tilting of the house caused by ground subsidence. Several methods for settlement correction were considered, but the homeowner chose to request the work from our company, which could quickly make the corrections without requiring a move. 【Case Overview】 ■ Maximum settlement amount: 107mm ■ Area: Kawasaki City, Kanagawa Prefecture ■ Construction period: 4 days *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Residential foundations
Ground foundation construction method

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[Construction Case] Slab Foundation House: Settlement Correction Work (Tokyo)

No need for large-scale demolition work! Here is an example of correcting a settlement of up to 95mm in just two days of construction.

We would like to introduce a case of "settlement repair work" carried out on a slab foundation house located in Hachioji City, Tokyo. Due to a maximum settlement of 95mm observed, polyurethane resin was injected under the slab foundation to implement the settlement correction. If you are troubled by the tilting of your slab foundation house caused by earthquakes, liquefaction, or ground subsidence, please feel free to contact us. 【Case Overview】 ■ Construction Area: Approximately 43m2 ■ Maximum Settlement: 95mm ■ Area: Hachioji City, Tokyo ■ Construction Period: 2 days *For more details, please refer to the PDF materials or feel free to contact us.

Renovation and repair methods
Ground foundation construction method
Special Construction Method

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[Construction Case] Slab Foundation House: Settlement Correction Work (Kanagawa Prefecture)

Even if the space between neighboring properties is very narrow, construction is possible! A maximum settlement of 66mm can be corrected in 3 days.

Here is a case study of "settlement repair work" carried out at a certain house with a slab foundation in Kanagawa Prefecture. Due to a maximum settlement of 66mm observed in one corner of the living room, polyurethane resin was injected under the slab foundation to implement the settlement correction. This time, the work was done in a house with very narrow space between neighboring properties, but our company can perform the work without the need for extensive construction, allowing for a short construction period without affecting the neighboring property. 【Case Overview】 ■ Construction Area: 40m² ■ Maximum Settlement Amount: 66mm ■ Area: Certain residence in Kanagawa Prefecture ■ Construction Period: 3 days *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Residential foundations
Ground foundation construction method

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[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.

Renovation and repair methods
Road construction
Ground foundation construction method

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[Construction Case] Junior High School (Gymnasium Floor): Settlement Correction and Void Filling Work

Due to the impact of the earthquake, the gymnasium floor has significantly sunk in a bowl shape! A case resolved using the Upcon method.

We would like to introduce a case of "settlement correction and void filling work" carried out on the gymnasium floor of a junior high school in Fukushima Prefecture. Due to the impact of an earthquake, the floor had significantly sunk in a bowl shape from the outer edges towards the center, causing issues with the use of the gymnasium. The area that had sunk by a maximum of 108mm was corrected to within the planned value of -15mm, and it was confirmed using a CCD camera that the polyurethane resin was filled without any gaps, completing the work. 【Case Overview】 ■ Construction Area: 1,036m2 ■ Construction Period: 8 days ■ Maximum Settlement: 108mm ■ Area: Fukushima Prefecture *For more details about the case, please refer to the related links. For further information, please check the PDF materials or feel free to contact us.

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[Construction Case] Elementary School: Correction Work for Sunken Earthen Floor

Utilizing spring break for quick subsidence correction! The cycle from construction to restoration is short.

Here is an example of "subsidance correction" carried out at an elementary school in Miyagi Prefecture. Due to floor subsidence, gaps appeared between the classroom walls and ceiling, causing the classroom door to tilt and hindering the opening and closing of the lock. The overall floor level of the classroom and hallway was corrected from a maximum subsidence of 69mm to within -18mm, and the gaps that had formed between the walls and ceiling before the work were also improved. 【Case Overview】 ■ Construction Area: 331m2 ■ Maximum Subsidence: 69mm ■ Area: Tagajo City, Miyagi Prefecture / Elementary School ■ Construction Period: 4 days *For more detailed information about the case, please refer to the related link. For more details, please check the PDF materials or feel free to contact us.

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[Construction Case] Metal Processing Factory: Floor Slab Settlement Correction Work and Deflection Correction Work

A case where the floor of the aisle in the factory sagged and gaps appeared! Introducing an example of how it was fixed in one day without stopping operations.

We would like to introduce a case of "floor sinking correction work and deflection correction work" conducted at a metal processing factory in Fukuoka Prefecture. Due to ground subsidence over the years, the floor of the corridor inside the factory sagged, creating gaps between the walls and the floor. To address the floor sagging and eliminate the gaps between the walls and the floor, subsidence correction work was carried out. After the work was completed, areas that had sunk by up to 72mm, including the maximum subsidence point, were corrected to within management values, and the gaps that had formed between the walls and the floor due to subsidence were also resolved. [Case Overview] ■ Construction Area: 114m2 ■ Construction Period: 1 day ■ Maximum Subsidence: 72mm ■ Area: Fukuoka Prefecture *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Packaging Material Factory: Floor Slab Settlement Correction Work

To a factory producing packaging materials such as cardboard! Introducing examples of subsidence correction work.

Here is a case study of "floor sinking correction work" conducted at a packaging material factory in South Korea. With ground subsidence, the concrete floor also sank, causing the stacked cardboard and other materials in the factory to tilt, which hindered operations. We performed polyurethane resin injection work, continuously checking the level while correcting the subsidence. The correction was completed in 4 days using one construction plant vehicle. 【Case Overview】 ■ Construction Area: Approximately 360m2 ■ Location: Incheon, South Korea ■ Construction Period: 4 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] New Factory Established on Warehouse Site: Floor Slab Settlement Correction Work and Step Level Correction Work

Improving the causes of the step and puddles at the entrance of the old warehouse! Correcting without replacing the floor.

We would like to introduce a case of "floor sinking correction work and step correction work" conducted at the site of a warehouse in a factory located in Chiba Prefecture. We considered using it as a new factory. Without replacing the floor, we adopted the Upcon method, which allows for quick corrections, and carried out the construction. Before the construction, there was a step of about 80mm at the factory entrance, but it was resolved after the work. If you have any issues with the concrete floor in your factory, please feel free to contact us. 【Case Overview】 ■ Construction Area: 660m2 ■ Maximum Sinking Amount: Approximately 110mm ■ Area: Chiba Prefecture ■ Construction Period: 5 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Precision Machinery Factory: Floor Slab Settlement Correction Work

A case of correcting the subsidence, gaps, and voids under the factory's earthen floor in just two days during the factory's holiday!

We would like to introduce a case of "floor slab settlement correction work" and "floor slab void filling work" carried out at a precision machinery factory in Kagoshima Prefecture. There were voids and cavities of about 30 to 40 mm beneath the factory's floor slab, and due to the settlement of the floor along with the columnar improvement, a request for correction was made to Upcon. The construction was completed over two days during the factory's weekend break. After the work was finished, we received a thank-you email from the customer stating, "It was successfully lifted, and I was moved." 【Case Overview】 ■ Construction Area: Approximately 480 m2 ■ Maximum Settlement Amount: 41 mm ■ Maximum Void Amount: 35 mm ■ Area: Kagoshima Prefecture ■ Construction Period: 2 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Precision Parts Factory: Floor Slab Settlement Correction Work

Settlement of up to 50mm in the concrete floor! A case where the existing concrete floor was corrected in one day without breaking it.

Here is a case study of "floor slab subsidence correction work" conducted at a precision parts factory in Shizuoka Prefecture. The factory's floor slab had subsided by a maximum of 50mm, with a correction area of approximately 81m2. The construction period was one day. The injection work was carried out while checking the height with a laser level, and after the resin injection, the filling confirmation was performed using a CCD camera. 【Case Overview】 ■ Construction Area: Approximately 81m2 ■ Maximum Subsidence: 50mm ■ Area: Shizuoka Prefecture ■ Construction Period: 1 day *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Parts Assembly Factory: Floor Slab Settlement Correction Work

Due to the sinking of the floor, work was hindered! Here is an example of a case where corrections were made in a short period without stopping operations.

Here is an example of "floor sinking correction work" carried out at a parts assembly factory in Fukuoka Prefecture. Due to the sinking, the floor was slanted, making it difficult to adjust the jacks during conveyor assembly. As a result of the construction, we were able to improve the situation to the point where assembly work could be carried out smoothly. 【Case Overview】 ■Issue - The floor was slanted due to sinking, making jack adjustments during conveyor assembly cumbersome. ■Result - The situation was improved to the point where assembly work could be carried out smoothly. *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Food Factory Second Floor: Settlement Correction Work and Unevenness Correction Work

Correction of unevenness and settlement on a floor with a special structure! Resolving issues with cart operations caused by unevenness.

We would like to introduce a case of "settlement correction work and unevenness correction work" carried out on the second-floor floor of a food factory located in Kanagawa Prefecture. Unevenness occurred in the floor panels of the refrigerated room, hindering the movement of carts transporting goods, and the floor panels were being held down with anchors to suppress the unevenness. After the construction, the settlement in front of the entrance was resolved, and the floor panels' floating issue was also eliminated by filling the urethane layer with new urethane. 【Case Overview】 ■ Construction Area: 46.17m² ■ Maximum Settlement Amount: 42mm ■ Void Amount: 46.17 ■ Area: Kanagawa Prefecture ■ Construction Period: 4 days (including ancillary work) *For more details, please refer to the PDF document or feel free to contact us.

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Subsidence correction work×アップコン - List of Manufacturers, Suppliers, Companies and Products

Subsidence correction work Product List