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Extend the service life by repairing the structure

Features

  1. New injection equipment allows injection up to hair cracks

  2. Densification from the surface of the frame by sealing with M&H fine particle cement

  3. Approximately 60% reduction in CO2 emissions compared to new construction

  4. ​About 90% compared to newly installed%Cost cut

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Origin of name

Repair of repair, C of carbon, N of neutral, CO2 reduction rate about 60% to 6.0​ "Repair method CN6.0"It was made.

Patent pending

About repair method CN6.0 (English version)

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​CO2 reduction

Comparing new installation and repair…Reduces CO2 emissions by approximately 60-65%!
New installation + dismantling comparison…97% CO2 reduction

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​Cost reduction

A new 300t water tank costs about 300 million yen, but the repair method CN6.0 reduces the cost by about 90% and can be constructed at a cost of about 30 million yen.

Experiment at the Building Materials Testing Center

From cracks of 0.1mm to cracks of 0.05mm after injection

It has been proven to be injectable.

This repair method CN6With the new injection device used in .0, injection pressure of 0.11 N/㎟ can be injected into fine cracks. As a result, the concrete is densified and the water stoppage effect at the leaking point is obtained.

It is expected to be a "construction method that can regenerate and extend the life" that can be used continuously without dismantling aging concrete structures.

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*Equipment used in experiments

The high-pressure injector (red) is the current new injection device (0.11N/mm)

(Company) Mie Prefectural Construction Materials Testing Center

From the injection speed test of high viscosity injection material

M&H微粒子セメント

Outline of construction and materials used

thisUntil now, concrete crack repair has been done by V-cut, U-cut seal or low-pressure resin injection for cracks of 0.2 mm or more.

 

In addition, conventional capsule-type low-pressure resin injection could not be injected into cracks of 0.2 mm or less.

new injectorand patented*2M&H+ particulate cement*3By using a combination of cement paste and special MH water, it is possible to densify the concrete to the minute parts and recover the deterioration of the structure. 

*2 Water stoppage and repair method using completely inorganic injection material

  M&H construction method

(Patent No. 5979805)  

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fillingimage

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​Actually filled with resin

​MH

M&H+ fine cement*3

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High-strength fine particle cement, the main material used in the patented M&H construction method for waterproofing and repairing construction methods using completely inorganic injection materials. It has a standard strength of 60N/㎟ or more (28 days), can be densified down to the smallest parts, and has water stopping properties.

Trademark registration No. 5869231

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​MH

MH water

Special liquid for M&H fine particle cement used in repair method CN6.0. By combining with M&H fine particle cement, it is possible to densify fine cracks in a short time. Harmless to the human body.

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powerful dust collector

This is an eco-friendly dust collector that has been repeatedly improved by our company so that it does not scatter dust when drilling concrete or cleaning. Lightweight type that can be carried with one hand with powerful dust collection power of 1 kW output. It is useful in narrow places, scaffolding, and places with a lot of equipment.

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Please feel free to contact us.
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