Floor subsidence correction work - List of Manufacturers, Suppliers, Companies and Products

[Construction Case] Supermarket: Floor Deflection Correction / Settlement Correction Work

Correction during nighttime while business is suspended! A case of correcting floor sag due to ground subsidence in a short construction period.

We would like to introduce a case of "floor deflection correction" and "subsidence correction work" carried out at a certain supermarket in Ibaraki Prefecture. In this case, the customer was troubled by the floor inside the store being deflected due to subsidence. Using the Upcon method, the work was conducted only at night, with minimal impact on business. The construction was completed in a short period of 2 days without any store closure. 【Case Overview】 ■ Construction Area: Approximately 450m2 ■ Maximum Subsidence: Approximately 83mm ■ Area: Ibaraki Prefecture ■ Construction Period: 2 days *For more details, please refer to the PDF document or feel free to contact us.

Renovation and repair methods
Ground foundation construction method
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[Construction Case] Game Center: Earthquake Recovery Work / Floor Slab Settlement Correction Work

Due to the impact of the China-Vietnam earthquake, part of the floor inside the store has sunk! Case study of subsidence correction work at the game center.

We would like to introduce a case where "disaster recovery work" and "floor sinking correction work" were carried out at a game center located along a national highway in Niigata Prefecture. In this case, part of the floor inside the store sank due to the impact of the Chuetsu earthquake. Therefore, the company was requested to correct the sinking because it could be done in a short period of time. The sinking correction was performed using the Upcon method with rigid polyurethane foam. The work was completed in one day. 【Case Overview】 ■ Area of sinking correction: Approximately 83m2 ■ Maximum sinking amount: -77mm ■ Planned correction value: Within 16mm ■ Area: Niigata 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] Drugstore: Settlement Repair Work (Niigata Prefecture)

Floor sagging due to ground subsidence! A case of straightening the floor before store renovation.

Here is an example of "settlement correction work" carried out at a drugstore in Niigata Prefecture. In this case, the store's floor had sagged due to settlement. At the time of the store renovation, they wanted to correct the floor to be level, so they chose our Upcon method. The construction area was approximately 1500m2. Using the concrete replacement method, a project that typically takes one month was completed in just four days. (Settlement amount approximately 100mm) 【Case Summary】 ■ Construction Area: Approximately 1500m2 ■ Maximum Settlement Amount: Approximately 100mm ■ Area: Drugstore in Niigata Prefecture ■ Construction Period: 4 days *For more details, please refer to the PDF document or feel free to contact us.

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[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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[Construction Example] Shopping Center: Subfloor Settlement Correction Work

Due to consolidation settlement, the floor has sunk extensively within the store! A gap has occurred between the floor and the wall.

We would like to introduce a case of "subfloor sinking correction work" and "subfloor void filling work" carried out at a shopping center in Iwate Prefecture. Due to consolidation settlement, sinking was observed over a wide area of the floor. As a result of the floor sinking, gaps appeared between the floor and walls, causing various issues throughout the store. An Upcon method that could be corrected during nighttime while the store was closed was adopted, and our company carried out the corrections. Additionally, as voids and cavities were also observed under the floor, void filling work using urethane was conducted. [Case Overview] ■ Construction Area: Approximately 540m2 ■ Maximum Settlement Amount: 71mm ■ Maximum Void Amount: 190mm ■ Area: Iwate Prefecture ■ Construction Period: Continuous 7 nights *For more details, please refer to the PDF document or feel free to contact us.

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Ground foundation construction method
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[Construction Case] Supermarket: Subfloor Settlement Correction Work (Gifu Prefecture)

Floor subsidence due to weak ground! Introducing a case where repairs were made during nighttime while the business was closed.

We would like to introduce a case of "subfloor sinking correction work" carried out at a large supermarket located in Gifu Prefecture. Most of the backroom and store area had sunk, causing gaps between the floor and walls due to the floor sinking, resulting in various issues throughout the store. An Upcon method that can be corrected during nighttime while the store is closed was adopted, and the correction was carried out by our company. 【Case Overview】 ■ Construction Area: Approximately 700m2 ■ Maximum Sinking Amount: 85mm ■ Area: Gifu Prefecture ■ Construction Period: Continuous 5 nights (2013) *For more details, please refer to the PDF materials or feel free to contact us.

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[Construction Case] Leisure Facility: Subfloor Settlement Correction Work (Ibaraki Prefecture)

Due to the impact of the Great East Japan Earthquake, subsidence! Adjusted 350m2 with four consecutive nights of construction.

Here is an example of "subfloor sinking correction work" carried out at a leisure facility in Ibaraki Prefecture. Correction work was implemented for a significantly sunken floor in the pachinko area within the facility. Sinking was also observed in other areas, including in front of the machine room and in the restrooms, and sinking correction work was conducted over a total construction area of approximately 350m2 over four consecutive nights. 【Case Overview】 ■Construction Area: Approximately 350m2 ■Maximum Sinking Amount: 93mm ■Area: Ibaraki Prefecture ■Construction Period: Four consecutive nights (2011) *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Large Pachinko Parlor: Subfloor Settlement Correction Work (Miyagi Prefecture)

Significant damage from the Great East Japan Earthquake! Introducing a case of subsidence correction with a maximum subsidence of 112mm.

Here is an example of "subfloor sinking correction work" carried out at a large pachinko parlor located in Miyagi Prefecture. The large pachinko parlor suffered significant damage due to the Great East Japan Earthquake. Extensive renovation work was conducted to reopen for business as soon as possible. Sinking also occurred in the store's floor, and the Upcon method, which allows for quick corrections, was adopted. Our company implemented the floor sinking correction. We injected urethane resin under the subfloor and corrected all areas within the construction scope, including a section that had sunk by a maximum of 112mm, to within the planned values. 【Case Overview】 ■ Construction Area: Approximately 230m2 ■ Maximum Sinking: 112mm ■ Area: Miyagi Prefecture ■ Construction Period: 1 day (2011) *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Correction of sunken store floor due to consolidation settlement in a large chain store.

Implementing with sufficient attention to noise! Introducing examples of work carried out at night during business closure.

Here is a case study of "settlement correction work" carried out at a large chain store in Akita Prefecture. Due to consolidation settlement, a maximum settlement of 121mm occurred. We addressed this using the Upcon method, which generates almost no noise, dust, or vibration, while paying particular attention to nighttime noise for nearby residents during the construction. The work was carried out over four nights outside of business hours. We injected polyurethane resin into the ground floor and corrected all areas within the construction range, including the maximum settlement of 121mm, to within the planned values (corrections of over 100mm). 【Case Overview】 ■ Construction Area: Approximately 1,160m2 ■ Maximum Settlement: 121mm ■ Area: Akita Prefecture ■ Construction Period: Continuous nighttime work for four days *For more details, please refer to the PDF document or feel free to contact us.

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

The ground floor slab has sunk due to the earthquake! A case study of improvements made to the gaps between the floor and walls, and between the walls and ceiling.

We would like to introduce a case of "floor sinking correction work" and "underfloor void filling work" carried out in a condominium located in Higashi Ward, Kumamoto City, Kumamoto Prefecture. Due to the impact of the Kumamoto earthquake, the floor of the first floor of the condominium sank, creating gaps between the floor and walls, as well as between the walls and ceiling. By adopting the Upcon method, which allows for corrections without the need to move, the gaps that had formed between the floor, ceiling, and walls due to sinking were improved. 【Case Overview】 ■ Construction Area: 1200m2 ■ Maximum Sinking Amount: 61mm ■ Area: Kumamoto City, Kumamoto Prefecture ■ Construction Period: 15 days *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Elementary School (Classroom): Floor Sunken Correction Work and Deflection Correction Work

Due to ground subsidence, the classroom floor has sagged! The floor subsidence was corrected in a short construction period of one day.

We would like to introduce a case of "sunken floor correction work and deflection correction work" conducted in an elementary school classroom in Tokyo. Due to ground subsidence, a maximum of 80mm of sinking occurred in the center of the floor, causing deflection. Concerns for safety and health rendered the classroom unusable. The areas of the classroom floor that had sunk were corrected to -10mm, moving from the outer edges toward the center. The deflection of the classroom floor was resolved, and the work was completed. 【Case Overview】 ■ Construction Area: 63m2 ■ Maximum Subsidence: 80mm ■ Construction Period: 1 day ■ Area: Tokyo *For more detailed information about the case, please refer to the related links. For more details, please check the PDF materials or feel free to contact us.

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[Construction Example] Elementary School (Classroom): Settlement Correction Work

Concerns about children's safety and health! A case of correcting the floor sag in the classroom within a short construction period.

We would like to introduce a case where we performed "subsidence correction work" in an elementary school classroom in Miyagi Prefecture. In this classroom, floor sagging occurred due to ground subsidence, raising concerns about the safety and health of the children. We raised the floor using the foaming pressure of polyurethane resin, correcting the maximum subsidence from -112mm to the planned value of -22mm. 【Case Overview】 ■ Construction Area: 1406m2 ■ Maximum Subsidence: 112mm ■ Construction Period: 6 days ■ Area: Miyagi Prefecture *For more detailed information about the case, please refer to the related links. For further details, please check the PDF materials or feel free to contact us.

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[Construction Case] Elementary School: Filling Work for Gaps Under the Concrete Floor + Correction Work for Concrete Floor Settlement

Our company can offer construction proposals tailored to your needs, such as projects aligned with school events!

Here is an example of "subfloor void filling work + subfloor settlement correction work" carried out at an elementary school in Miyagi Prefecture. Due to the impact of the Great East Japan Earthquake, settlement occurred in various areas of the school, including classrooms, the health room, the principal's office, and the gymnasium. The construction area was approximately 530m2, with a maximum settlement of 71mm and a maximum void size of 250mm. 【Case Overview】 ■ Construction Area: Approximately 530m2 ■ Maximum Settlement: 71mm ■ Maximum Void Size: 250mm ■ Area: Aijima Elementary School in Natori City, Miyagi Prefecture ■ Construction Period: August 2013 *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 Example] Middle School (Gymnasium): Floor Slab Settlement Correction Work

Quickly repair the middle school gymnasium! Injecting urethane resin to ensure there is no strain on the concrete floor.

We would like to introduce a case of "floor sinking correction work" that we conducted. Due to the Kumamoto earthquake, the gymnasium of a junior high school in Kumamoto Prefecture sank. Since it could be corrected in a short time, we received a request for construction. The area of sinking correction was approximately 897m2. The maximum sinking amount was 53mm, and the planned correction value was within -10mm. The construction period was 7 days. 【Case Overview】 ■ Area of sinking correction: Approximately 897m2 ■ Maximum sinking amount: 53mm ■ Planned correction value: Within -10mm ■ Area: Junior high school gymnasium, Kikuchi-gun, Kumamoto Prefecture ■ Construction period: 7 days *For more details about the case, please refer to the related links. For more information, please check the PDF materials or feel free to contact us.

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[Construction Case] Elementary School: Floor Settlement Correction Work and Underfloor Void Filling Work

The floor has sunk due to consolidation settlement! Voids (cavities) can be seen under the floor, and we will carry out construction.

We would like to introduce a case where we performed "floor sinking correction work" and "underfloor void filling work." The construction site was an elementary school located in Gifu Prefecture. Due to consolidation settlement, the floors of classrooms and the art room in the elementary school sank, and voids (cavities) were also observed under the floor. The area of the sinking correction was approximately 83m², with a maximum sinking amount of 64mm. Additionally, the maximum void amount was 40mm, and the construction period was 2 days. 【Case Summary】 ■ Area of sinking correction: Approximately 83m² ■ Maximum sinking amount: 64mm ■ Area of void filling: Approximately 165m² ■ Maximum void amount: 40mm ■ Area: Elementary school in Gifu Prefecture ■ Construction period: 2 days *For more detailed information about the case, please refer to the related links. For further details, please check the PDF materials or feel free to contact us.

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Floor subsidence correction work - List of Manufacturers, Suppliers, Companies and Products

Floor subsidence correction work Product List