Foundation Reinforcement Construction System "Ganko Oyaji"

A foundation reinforcement construction system with low cost, high safety, and short construction period!

last updated Jun 17, 2026

Ground reinforcement construction [Certified method] ETP method

Steel pipe piles with advanced wings, Ministry of Land, Infrastructure, Transport and Tourism Minister Certification

last updated Jun 17, 2026

Ground reinforcement work [Performance certification method] Cross-wing column method

Slurry-type mechanical stirring deep mixing method

last updated Jun 17, 2026

Ground reinforcement construction [Performance certification method] Pure pile method

Pile foundation reinforcement method for detached houses

last updated Jun 17, 2026

Ground reinforcement construction [Performance certification method] DM method

Pile-type ground reinforcement method using small-diameter steel pipes with tip wings.

last updated Jun 17, 2026

Ground reinforcement work [Performance certification method] Σ-i method

A culmination of all the elements necessary for steel pipe piles.

last updated Jun 17, 2026

Ground reinforcement work [Performance certification method] Tiger pile

High-performance hybrid column

last updated Jun 17, 2026

Ground reinforcement construction [Performance certification method] RES-P method

Strengthening weak ground to protect the safety of homes.

last updated Jun 17, 2026

Ground reinforcement work [Performance Guarantee Method] ETP-G Method

Rotary driven steel pipe piles suitable for small-scale buildings.

last updated Jun 17, 2026

Ground reinforcement construction [Certified method] SMD method

Three-story, reinforced concrete structure, retaining wall, etc., optimal as a ground reinforcement method requiring government approval!

last updated Jun 17, 2026

Ground reinforcement work using small-diameter steel pipe pile method.

Support your important home with a strong foundation.

last updated Jun 17, 2026

Ground improvement work - surface improvement method

Support the important home with an improved version on the board.

last updated Jun 17, 2026

Ground reinforcement work using the Geo-column method.

Support the important house with pillars of improvement.

last updated Jun 17, 2026

Ground reinforcement construction lineup

https://www.jiban.co.jp/service/kouji/index.htm#01

last updated Jun 17, 2026

i-LIFT Method

Easily lift up tilted or sunken houses!

last updated Jun 17, 2026

Ground reinforcement work DM method [Performance certification method]

Advanced winged steel pipe ground reinforcement method that has obtained architectural technical performance certification.

last updated Jun 17, 2026

Ground reinforcement work ETP-G method [Performance guarantee method]

ETP-G method for ground reinforcement using steel pipe with advanced wings that has obtained GBRC performance certification.

last updated Jun 18, 2026

Ground reinforcement work ETP method [Certified method]

Ministerial certification and performance proof acquisition for advanced winged rotary driven steel pipe piles ETP method.

last updated Jun 17, 2026

Ground improvement work 【Surface improvement method】

Plate-type ground improvement and surface improvement methods that demonstrate excellent effectiveness in shallow soft layers.

last updated Jun 17, 2026