PRODUCTS
Rectangular TBM
APORO(All Potential Rotary) Cutter TBM
The TBM can excavate not only circular shaped sections, but rectangular shaped, horse-shoe shaped, and another non-circular shaped sections. Cutter device has high-precision control system ,which can keep planned excavated section.
It can also cut hard ground and obstacles.
| Year of delivery / Place of delivery | 2008 / Tokyo |
| Construction name | Shibuya-Daikanyama Underground Construction (No. 1) |
| Owner name | Tokyu Corporation |
| Contractor name | Kajima / Nishimatsu / Tekken JV |
| TBM outer diameter | 7.44m x 10.64m |
| Excavation distance | 577m |
OHM type TBM
Three-arm cutter is located eccentrically to the TBM center. The cutter rotates on the axis revolving round the TBM center. The top of the cutter arm tracks around the rectangle. The OHM type rectangular TBM can make each cross section of tunnel, such as an inward bowing shape, rectangular or any roundish shape rectangular.
| Year of delivery / Place of delivery | 2002 / Kyoto |
| Construction name | Rapid Railway Tozai Line Ishida Station Connecting Passage Construction No.2 |
| Owner name | Kyoto Municipal Transportation Bureau |
| Contractor name | Tobishima / Nishimatsu / Morimoto / Kosei / Kcon JV |
| TBM outer diameter | 4.28m×3.83m |
| Excavation distance | 142m |
Introduction of the OHM type TBM
MMST TBM (Multi-Micro Shield Tunneling TBM)
The TBM excavates the outer shell of a large tunnel with multiple small TBMs and then excavates the internal soil after the outer shell is formed.
We have a delivery record of manufacturing slurry type (vertical type) and earth pressure balanced (vertical type) rectangular TBMs.
| Year of delivery / Place of delivery | 2002 / Kanagawa Prefecture |
| Construction name | KJ124 (4) -KJ132 (1) Tunnel Construction |
| Owner name | Metropolitan Expressway Co., Ltd |
| Contractor name | Taisei / Kajima / Toda JV |
| TBM outer diameter | 3.19m x 7.85m |
| Excavation distance | 1,080m |
others
7.29m × 4.69m Ginza 6-chome 10 district Urban Redevelopment Project
The TBM is equipped with double cutter heads for excavating a horizontally long rectangular cross section and double telescopic cutters for cutting rectangular corners. Since the hood is attached, the interference with the telescopic cutter is electrically controlled. Minimum overburden 2.6m, maximum overburden 4.76m.
| Year of delivery / Place of delivery | 2016 / Tokyo |
| Construction name | Underground Connection Passage Maintenance Work and TEPCO Pipeline Relocation Work of Ginza 6-chome District Urban Redevelopment Project |
| Owner name | Ginza 6-10 District Urban Redevelopment Association |
| Contractor name | Kajima Construction Co., Ltd. |
| Excavation distance | 103m |
5.7m × 6.8m Kotake Mukaihara~Senkawa on the Tokyo Metro Yurakucho Line
| Year of delivery / Place of delivery | 2014 / Tokyo |
| Construction name | Kotake Mukaihara~Senkawa on the Tokyo Metro Yurakucho Line |
| Owner name | Tokyo Metro Co., Ltd. |
| Contractor name | Kumagai Gumi Co., Ltd. |
| Excavation distance | 175m / 145m |
| Features | Mixed circular type TBM (circular cutter + telescopic spokes) |