SPD Method - Vacuum Consolidation Method Utilizing Atmospheric Pressure -
This is a vacuum consolidation method that utilizes atmospheric pressure in combination with a plastic drainage method. 【Features】 ○ The improvement area is covered with an airtight sheet, and a vacuum device creates a vacuum state beneath the sheet to forcibly discharge water from the soft ground. ○ It can be applied even to soft ground where loading embankments cannot be constructed. ○ By not using loading embankments, it reduces the need for securing land for construction. ○ It is an economical method that shortens construction time by not using embankment materials or sand mats. Additionally, it eliminates the need for heavy machinery operations, making it an environmentally friendly method. ○ "GeoDrain" and "Nonal Drain" are used as vertical drainage materials, while "SB Drain" and "BSB Drain" are used as horizontal drainage materials. ● For other functions and details, please contact us.
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basic information
This is a vacuum consolidation method that utilizes atmospheric pressure in combination with a plastic drain method. (NETIS Registration Number: CB-070012-A) 【Features】 ○ The improvement area is covered with an airtight sheet, and the area beneath the sheet is placed under vacuum using a vacuum device to forcibly discharge water from the soft ground. ○ It can be applied even in soft ground where loading embankments cannot be constructed. ○ Since it does not use loading embankments, it reduces the need for securing land for construction. ○ It is an economical method that shortens construction time by not using embankment materials or sand mats. Additionally, it eliminates the need for heavy machinery operations, making it an environmentally friendly method. ○ "Geo Drain" and "Nonal Drain" are used as vertical drain materials, while "SB Drain" and "BSB Drain" are used as horizontal drain materials. ● For other functions and details, please contact us.
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Applications/Examples of results
【Application】 ○ Soft ground improvement ○ Reduction of landfill volume 【Achievements】 ○ Japan Sewerage Agency (Purification Center Construction) ○ Land Readjustment Association (Land Readjustment Project) ○ Ibaraki Prefecture (Small Waterway Construction) ○ Railway and Transport Support Organization (JR Vehicle Base) ○ Overseas (Road Improvement Construction) This is an improvement method that takes into consideration the surrounding environment without using load-bearing embankments. Recently, it is expected to be applied to volume reduction work aimed at extending the life of final disposal sites.
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Company information
Our company may seem to have various fields of work that appear unrelated at first glance. However, these jobs have all developed through the repeated, straightforward activities of knowing, learning, connecting, and creating new value, all aimed at making the lives of each employee meaningful while maintaining the organization of the company. We have aimed to firmly establish our footing in our areas of expertise, gradually extending our reach to broaden our capabilities while capturing the demands of society, and we wish to be evaluated by being of service in that regard. Moving forward, we aspire to be a company of elite individuals who, while remaining humble and cautious, do not become servile and continue to challenge difficult tasks, maintaining our curiosity and courage.
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