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Deployment

Robbins Main Beam TBM at Hiroshima, Japan

The Robbins Main Beam TBM is the company's signature hard rock tunnel boring machine, designed for competent rock conditions. Robbins pioneered the modern TBM design in 1952 and has continuously refined the Main Beam for projects ranging from 3m to over 13m diameter. These machines have set world records for tunnel excavation rates.

Robbins Main Beam TBM by The Robbins Company · Catalog entry · 1 source · not yet field-verified

Track Robbins Main Beam TBM at Hiroshima, Japan

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A mega-sized 13.67m diameter Robbins Slurry TBM broke through in Hiroshima, completing excavation through challenging granitic rock at high water pressures.

Exposure

Customer segment
research
Scale tier
undisclosed

Each exposure value carries its own basis marker. Aggregators report a number; this surface preserves the source class so verification depth travels with the value.

Safety record

No incidents on record for Robbins Main Beam TBM at Hiroshima, Japan.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Trust tier
Catalog entry · 1 source · not yet field-verifiedhow tiers work →
Last updated
2026-08-21
Model
Robbins Main Beam TBM
Company
The Robbins Company
Location
Japan/Hiroshima, Japan
Operator
The Robbins Company
Status
ended
Scale at site
undisclosed
Site environment
outdoor
Location precision
verified coordinates
First seen
2022-01-01
ID
3736a828-c302-43f6-a251-fcd5cb2a24f5

Timeline

  1. Jan 2022
    First recorded
    Robbins Main Beam TBM first documented operating at Hiroshima, Japan.
  2. Aug 2026
    Current status: ended, reviewed
    Latest recorded state. New status transitions append here as the deployment-status recorder produces them.

On the deployment map

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Robbins Main Beam TBM operates in Hiroshima, Japan. Explore the full verified map:

Sources (1)

  1. Huge Robbins Slurry TBM Breaks Through in Hiroshima · https://www.robbinstbm.com/ · 2022-01-01
Methodology: Verified · 1 source (no primary) · last reviewed 2026-08-21

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-08-21

Maturity + lifecycle

Maturity stage: production

Lifecycle: active

Architectural position

Cohort: other

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for Robbins Main Beam TBM at Hiroshima, Japan.

Common questions

What is the Robbins Main Beam TBM deployment at Hiroshima, Japan?
Robbins Main Beam TBM, built by The Robbins Company, is recorded as a deployment at Hiroshima, Japan on the DEPLOY registry. The Robbins Company operates the deployment directly.
Who operates Robbins Main Beam TBM at Hiroshima, Japan?
The Robbins Company, the manufacturer of Robbins Main Beam TBM, operates this deployment directly. This is a maker-deploys-its-own-product arrangement rather than a customer pilot.
When did the Robbins Main Beam TBM deployment at Hiroshima, Japan go live?
The deployment is recorded as starting January 1, 2022 on the DEPLOY registry. Earlier activity may exist but is not yet sourced.
Is the Robbins Main Beam TBM deployment at Hiroshima, Japan still active?
As of the most recent verification on the DEPLOY registry, this deployment is no longer operating at this location.
Have there been incidents at the Robbins Main Beam TBM deployment at Hiroshima, Japan?
No active incidents affecting this deployment are recorded on the DEPLOY registry. Absence of recorded incidents is not a guarantee no incident occurred; DEPLOY records only sourced incidents and suppresses retracted ones.

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