Trial and improvement of a shield tunneling slurry management system
First written in FY2021. 1 of 5 entries say "Restated". Latest entry: FY2025.
3 other companies' latest entry also says "Advanced".
- FY2025AdvancedAnnual report
「The system had been used on a cumulative total of 3 construction projects by the end of fiscal 2024. Going forward, the Company will build up its construction track record, improve the system, including its AI-assisted capabilities, and actively use it for safe shield tunneling work.」
Following the completion of trials and confirmation of effectiveness on projects in Okayama Prefecture, discloses that the system had been used on a cumulative total of 3 construction projects by the end of fiscal 2024. - FY2024Cited as achievedAnnual report
「The trial was completed on a shield tunneling project in Okayama Prefecture in fiscal 2022, and its effectiveness was confirmed.」
Reiterates the completion of trials and confirmation of the effectiveness of the slurry management system for shield tunneling as past achievements, and describes the policy of making further improvements using AI. - FY2023AchievedAnnual report
「The trial was completed on a shield tunneling project in Okayama Prefecture in fiscal 2022, and its effectiveness was confirmed.」
The slurry management system for shield tunneling completed its trial in Okayama Prefecture and its effectiveness was confirmed. Going forward, the Company plans to improve the system, including its AI-assisted capabilities. - FY2022RestatedAnnual report
「The system was again trialed on a shield tunneling project in Okayama Prefecture in fiscal 2021, and its effectiveness was confirmed.」
Continues trials of the slurry management system for shield tunneling on projects in Okayama Prefecture and continues to confirm its effectiveness. - FY2021First statedAnnual report
「The system was trialed on a shield tunneling project in Okayama Prefecture in fiscal 2020, and its effectiveness was confirmed. The system enables rapid response to changes in soil conditions through real-time management of slurry quality, a key construction management factor in slurry shield tunneling, helping prevent problems such as stoppages in excavation, ground heave and subsidence, while also improving construction efficiency.」
Developed an assist system for real-time management of slurry quality and progressed through trials and confirmation of its effectiveness on a shield tunneling project in Okayama Prefecture. Going forward, the Company plans to improve the system's AI-assisted capabilities.