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KOKEN BORING MACHINE CO., LTD.

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Big Man Rock Mall Construction Method

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Big Man Rock Mall Construction Method

In the burial work of infrastructure pipes, it used to be a long-term difficult work due to noise and vibration restrictions in urban areas where rocks are the foundation.

KOKEN’s “Big man Rock Mall Construction Method” is a construction method in which a small-diameter drilling hole is first penetrated and then pulled up from the reaching side to the starting side with a dedicated large-diameter lifting drill “Reaming Bit”. Realized construction with noise. It has been well received that it can shorten the construction period and has many achievements.

OTHER SERVICE

Hot Spring Development
Hot Spring Developments contains planning,field evaluation,and drilling.
Groundwater utilization business
We provide inexpensive water by combining groundwater and a membrane filtration system.
Environmental business
Soil pollution countermeasure package service.
Large-Diameter Rock Drilling Work
Large-diameter rock drilling work is one of our main drilling works, so we introduce it in detail.
PS wire line sampling method
The percussion wireline sampling method has received the "Attention Invention Award" from the former Science and Technology Agency.
Now, this method has become an indispensable survey method throughout Japan.
Continuous impact dynamic penetration test
It's a correct and quick penetration test using our products "Rotary Percussion Drill" series.
Overseas business
With Japan's Official Development Assistance (ODA), we have a track record of many projects focusing on providing water well drilling and construction of wells and water supply facilities to developing countries.
Big Man Rock Mall Construction Method
Using our product Large-diameter rock drilling machine for horizontal direction, It's the method of boring the hole for infrastructure.
Geothermal utilization system
We introduce our effort to the geothermal utilization system.
Small diameter steel pipe pile micro pile method
The small diameter steel pipe pile micropile method is compatible strength and low-cost using cement as the substructure. It suits especially fixing buildings.
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