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  1. Home
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  5. Ground improvement
  6. Ground reinforcement work using the Geo-column method.

Ground reinforcement work using the Geo-column method.

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Geocoral Method

last updated:Jun 17, 2026

ジオテック
ジオテック
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Support the important house with pillars of improvement.

A method of injecting and mixing cement milk (a mixture of cement-based solidifying material and water) into soft ground to create columnar improved piles underground. This method is applicable when the soft layer extends from GL-2.0m to approximately GL-8.0m. However, it is not applicable in cases where most of the soft layer consists of humus soil, where industrial or household waste is accumulated, where there is groundwater, or where buildings are constructed immediately after earthworks on former marshland. Good ground for determining the improvement depth is defined as a continuous layer of cohesive soil with an N value greater than 3, or granular soil with an N value greater than 4.

    Ground improvementPile and foundation workGround foundation construction method
ジオコラム工法.jpg

Ground reinforcement work using the Geo-column method.

ジオコラム工法.jpg
ジオコラム工法.jpg
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basic information

The construction period is usually 1 to 2 days. Low noise and low vibration construction will not disturb the neighbors. The cement-based solidifying material is inorganic and non-polluting.

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Applications/Examples of results

It is widely used for foundation reinforcement in detached houses.

Detailed information

  • ジオコラム工法.gif

    Ground reinforcement work can be broadly classified into ground improvement, which solidifies the weak ground itself, and methods that involve driving pre-made piles.

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Geocoral Method

Geocoral Method

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