Subsidence correction work Product List and Ranking from 7 Manufacturers, Suppliers and Companies

[Construction Example] Bag Manufacturing Factory in Miyagi Prefecture

Introducing a case of a bag manufacturing factory that sank due to ground subsidence and earthquake impacts!

We would like to introduce a case study of floor sinking correction work and subfloor void filling work carried out at a bag manufacturing factory located in Miyagi Prefecture. The bag-making machines, which were neatly installed, were tilted due to floor sinking, causing disruptions in production. As a temporary measure, adjustable legs were placed under the machines to level them, allowing work to continue. Consequently, the company requested a correction that could be done quickly without removing the machines, and we proceeded with the work. In addition to the floor sinking, voids were also observed under the floor, so filling work was also carried out. 【Case Study】 ■ Construction Area: Approximately 730m2 ■ Maximum Sinking Amount: Approximately 110mm ■ Construction Period: 3 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] T Printing Company Factory in Miyagi Prefecture

We would like to introduce several case studies of factories in the industrial zone of Miyagi Prefecture that have been modified using our construction method!

We would like to introduce a case of floor vibration suppression work carried out at the T Printing Company factory located in Miyagi Prefecture. In a factory where a machine weighing approximately 26 tons is placed, the floor began to vibrate after the earthquake. To assess the situation before installing the machine, we conducted core drilling at several locations. As a result, we confirmed that there was a gap of up to approximately 180mm beneath the concrete. We performed gap filling work, which allowed us to restore the original performance of the concrete floor and suppress the floor vibrations. Additionally, we also carried out floor subsidence correction work at the T Industry factory located in Miyagi Prefecture. 【Case Study】 <Floor Vibration Suppression Work at T Printing Company Factory in Miyagi Prefecture> ■ Construction: (Phase 1) July 2011, (Phase 2) October 2011 ■ Maximum Gap Size: Approximately 180mm ■ Total Construction Area: Approximately 160m2 ■ Actual Working Days: 1.5 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Correction Work for Floor Subsidence in Store - Continuous Night Work Without Stopping Business

Maximum subsidence of 144mm, construction area of approximately 2,300m2! Introduction of a case where corrections were made over 11 consecutive nights of construction.

Due to the impact of the Great East Japan Earthquake, the floor inside the store has significantly sunk. As a result of the floor sinking, gaps were observed between the floor and walls, as well as between the walls and ceiling. Therefore, our company carried out repair work. The 'Upcon Method', which can be implemented at night during the business closure, was adopted for the repairs. Additionally, voids were observed under the floor, so filling work was also conducted. 【Construction Overview】 ■ Construction Area: Approximately 2,300 m2 ■ Maximum Settlement: 144 mm ■ Construction in 2012, completed in 11 nights of continuous work *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Special Construction Method
Subsidence correction work

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[Construction Case] Vibration Suppression in Precision Parts Manufacturing Factory - Void Filling Work

"The earthen floor is sagging, and the machine is vibrating." "The vibration of the machine affects product accuracy." Quickly resolved with the Upcon method.

This time, we would like to introduce a case study of a precision parts manufacturing factory in Saitama Prefecture. Due to ground subsidence, cracks and deflections occurred in the floor slab, causing vibrations in the machinery. To prevent the impact of these vibrations on product accuracy, we carried out subsidence correction work to alleviate the deflection and filling work for the voids under the floor slab. The Upcon method was adopted because it allows for construction without moving the machinery and without stopping operations. 【Site Information】 Saitama Prefecture / Precision Parts Manufacturing Factory Construction Area: 287 square meters Maximum Subsidence: 44mm Maximum Void Volume: 50mm Construction Period: 3 days You can view detailed construction information in the PDF download below.

Foundation construction
Subsidence correction work

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

A case where the earthen floor, which had subsided and developed gaps due to the earthquake, was repaired in a short construction period without breaking the existing floor!

We would like to introduce a case where "floor sinking correction work" and "void filling work under the floor" were carried out at a parts manufacturer factory in Fukushima Prefecture. There were various areas within the factory experiencing sinking and deflection, resulting in a wavy floor and the occurrence of voids in addition to the sinking. After the construction, the factory floor was corrected to a nearly level state, and to suppress vibrations caused by forklift passage, we focused on injecting and filling the corridor areas to mitigate the vibrations. [Case Overview] ■ Construction Area: Approximately 1,470 m² ■ Maximum Sinking Amount: 40 mm ■ Maximum Void: 60 mm ■ Area: Parts manufacturer located in Fukushima Prefecture ■ Construction Period: 11 days *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Subsidence correction work

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[Construction Example] Warehouse and Factory: Floor Slab Settlement Correction and Void Filling Work

Due to ground subsidence, there is sinking and sagging in the concrete floor! The items remain as they are, and the concrete floor will be repaired in a short time.

We would like to introduce a case of "floor sinking correction and void filling work" carried out at a warehouse and factory located in Hokkaido. Due to the effects of ground subsidence, there were signs of sinking and sagging in the floor, and we received a request for correction from the company. Before the work, the storage racks for goods, which had tilted due to floor sinking, were adjusted in height using spacers, but after the work, they became flat. 【Case Overview】 ■ Construction Area: 334m2 ■ Maximum Subsidence: 105mm ■ Construction Period: 3 days ■ Area: Sapporo City, Hokkaido *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Subsidence correction work

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[Construction Case] Large Pachinko Parlor: Earthquake Recovery Work / Slab Floor Subsidence Correction Work

Settlement due to compaction: Significant sinking of the floor inside the store due to the impact of the Great East Japan Earthquake! We will introduce our response case.

We would like to introduce a case of "earthquake recovery work" and "floor sinking correction work" carried out at a large pachinko parlor located in Fukushima Prefecture. In this case, the floor inside the store had significantly sunk due to consolidation settlement and the impact of the Great East Japan Earthquake. The tilt of the floor caused discomfort while walking inside the store. An up-con method that could be corrected during the night while the store was closed was adopted, and our company conducted the sinking correction work. 【Case Overview】 ■ Construction Area: Approximately 700m2 ■ Maximum Settlement Amount: 161mm ■ Area: Fukushima Prefecture ■ Construction Period: Continuous 4 nights *For more details, please refer to the PDF materials or feel free to contact us.

Renovation and repair methods
Ground foundation construction method
Civil Engineering Method
Subsidence correction work

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[Construction Example] Supermarket: Subfloor Settlement Correction Work (Chiba Prefecture)

Due to the impact of the Great East Japan Earthquake, the floor inside the store sank! A case where repairs were made during the night while the store was closed.

Here is a case study of "subfloor sinking correction work" conducted at a large supermarket in Chiba Prefecture. Due to the impact of the Great East Japan Earthquake, the floor inside the store sank significantly. The Upcon method, which can be corrected during the night while the store is closed, was adopted, and our company carried out the correction. Since the store primarily handles fresh food products, we not only used plastic sheets for protection around the injection gun during construction but also enclosed the injectors to prevent resin dispersion while working. 【Case Overview】 ■ Construction Area: Approximately 2,000 m² ■ Maximum Sinking Amount: 99 mm ■ Area: Chiba Prefecture ■ Construction Period: Continuous 9 nights * To expedite the construction period, two construction plant vehicles were utilized (2011). * For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Ground foundation construction method
Civil Engineering Method
Subsidence correction work

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[Construction Example] Apartment: Correction of Sunken Floor Slab / Underfloor Void Filling Work

Resolve issues like 'gaps between the wall and ceiling' in just one day with the Upcon method!

We would like to introduce a case of "floor sinking correction work" and "filling work for voids and cavities under the floor" conducted in a condominium located in Niigata Prefecture. In the particular RC apartment building (first floor) we are introducing this time, due to the sinking of the floor, there were issues not only with "the tilt of the floor" but also with "gaps occurring between the walls and ceiling" and "doors not closing." After completing the floor sinking correction work and the filling work for voids (cavities) under the floor, the gaps between the walls and ceiling were eliminated, and the misaligned tile joints were leveled. Additionally, the doors that had been unable to close due to the distortion of the frames from the sinking were now able to close properly. 【Case Overview】 ■ Construction Area: 69m2 ■ Maximum Sinking Amount: 36mm ■ Maximum Void Amount: 190mm ■ Area: Niigata Prefecture ■ Construction Period: 1 day *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Ground foundation construction method
Civil Engineering Method
Subsidence correction work

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

Corrected a maximum settlement of 46mm! A case that resolved the distortion of the door frame caused by settlement.

Here is an example of "settlement correction work" performed on a slab foundation house located in Kyoto Prefecture. This case involves a house that sank due to ground subsidence, resulting in warped door frames and gaps. The slab foundation house, which experienced a maximum settlement of 46mm, was corrected in 2.5 days. 【Case Overview】 ■ Maximum Settlement: 46mm ■ Area: Kyoto Prefecture ■ Construction Period: 2.5 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
Subsidence correction work

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[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
Subsidence correction work

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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.

Renovation and repair methods
Residential foundations
Ground foundation construction method
Subsidence correction work

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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
Subsidence correction work

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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
Subsidence correction work

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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
Subsidence correction work

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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
Subsidence correction work

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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.

Renovation and repair methods
Subsidence correction work

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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.

Renovation and repair methods
Subsidence correction work

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"Correction of building settlement and prevention of re-settlement" Ground subsidence correction work

We will select the perfect construction method! Take early measures against damage caused by ground subsidence! Leave the subsidence correction work to Georafters.

GeoRafter Co., Ltd.'s subsidence correction work is a "civil engineering technique" that utilizes the weight of the building to drive steel pipes with jacks under houses that have experienced differential settlement, thereby returning the building to a level position. Using the weight of the building as a reaction force, steel pipe piles are driven into the supporting ground using jacks, supporting and correcting the entire structure through the "steel pipe pile driving method (underpinning method)." Additionally, the most suitable method is selected from options such as "pressure slab method" and "liquid (cement milk) injection method" for construction. 【Features (Underpinning Method)】 ■ Not only corrects building subsidence but also prevents re-subsidence ■ Allows construction in a residential state without the need for relocation, such as moving ■ Generates minimal noise, vibration, and dust, and requires less space for equipment storage *For more details, please refer to the catalog or feel free to contact us.

Company：ジオラフター
Price：Other

Site and ground investigation
Subsidence correction work

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Ground subsidence correction work "Underpinning method"

No need to move! Stable supporting ground! It can correct subsidence while preventing further sinking. There is little noise, vibration, and dust, and it also saves space for storing materials.

The "Underpinning Method" is a technique that supports the load of a building by driving steel pipe piles into the supporting ground using jacks, thereby stabilizing and correcting the entire structure. This method not only corrects the sinking of the building but also prevents further sinking. Additionally, construction can be carried out while residents remain in the building, without the need to relocate. 【Features】 ■ Prevention of further sinking ■ Construction possible while residents remain in the building ■ Minimal noise, vibration, and dust generation ■ Space-saving for material storage *For more details, please refer to the catalog or feel free to contact us.

Company：ジオラフター
Price：Other

Ground improvement
Subsidence correction work

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Ground subsidence correction work "Pressure-resistant slab method"

No need to move! Construction can be done while living in the space! It can also be combined with the steel pipe pile driving method.

The "Pressure Resistance Slab Method" is a technique that involves laying a pressure-resistant steel plate under the foundation and using jacks to support the foundation and correct any tilting. This method is used when the surface layer is relatively hard, the weak layer is shallow, and the supporting layer is relatively shallow. Construction can be carried out while residents remain in the building, without the need to relocate. Additionally, it generates little noise, vibration, or dust, and requires minimal space for equipment storage. 【Features】 - Can be used in conjunction with the steel pipe pile driving method - Construction can be done while residents remain in the building - Generates little noise, vibration, or dust - Requires minimal space for equipment storage *For more details, please refer to the catalog or feel free to contact us.

Company：ジオラフター
Price：Other

Ground foundation construction method
Subsidence correction work

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Helpful Material: "Settlement Repair Work - Explanation of Terms and Various Methods"

We are currently offering materials that clearly explain the sinking correction construction! The explanations cover terminology and various construction methods in an easy-to-understand manner!

Settlement correction work refers to the construction process that involves applying steel pipes or chemical injections to buildings that have tilted due to ground subsidence, in order to bring them closer to a level position. This document provides detailed information on "settlement correction work" for buildings that have tilted due to ground subsidence, as well as the "chemical injection method" applicable to slab foundations. 【Contents】 ■ Settlement Correction Work - What is settlement correction work? - What is ground subsidence? ■ Correction Methods - Steel pipe pile driving method (underpinning method) - Pressure-resistant slab method - Void injection filling method - Chemical injection method *For more details, please refer to the PDF document or feel free to contact us.

Company：ジオラフター
Price：Other

Ground improvement
Ground foundation construction method
Renovation and repair methods
Subsidence correction work

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Subsidence correction work Product List and Ranking from 7 Manufacturers, Suppliers and Companies

Subsidence correction work Manufacturer, Suppliers and Company Rankings

Subsidence correction work Product ranking