Gallery

Photo

  • [Mar 19, 2024]
    The main cavern being excavated to a depth of 20 m in the barrel section
  • [Feb 16, 2024]
    The main cavern being excavated to a depth of 12 m in the barrel section
  • [Feb 1, 2024]
    The water purification system room under dust-proof coating
  • [Feb 1, 2024]
    The main cavern being excavated to a depth of 6 m in the barrel section
  • [Dec 13, 2023]
    The main cavern being excavated to a depth of 3 m in the barrel section
  • [Oct 03, 2023]
    Completion of the main cavern dome section
  • [Oct 03, 2023]
    Completion of the main cavern dome section
  • [Jul 13, 2023]
    The cavern for the water purification system (Updated)
  • [Jul 11, 2023]
    The cavern for the water purification system (Updated)
  • [May 18, 2023]
    Excavation of the cavern for the water purification system
  • [May 18, 2023]
    The dome section of the main cavern
  • [Apr 27, 2023]
    The dome section of the main cavern
  • [Mar 31, 2023]
    The dome section of the main cavern
  • [Mar 14, 2023]
    The dome section of the main cavern
  • [Mar 14, 2023]
    Excavation of the cavern for the water purification system
  • [Nov 17, 2022]
    The top center of the dome section
  • [Nov 04, 2022]
    Excavation of the circular tunnel is complete.
  • [Jul 01, 2022]
    Construction staffs at the center of the cavern dome
  • [Jun 23, 2022]
    The tunnel excavation has reached the center of the cavern dome
  • [May 10, 2022]
    The first branch of the approach tunnels (updated)
  • [Apr 19, 2022]
    The first branch of the approach tunnels
  • [Jun 07, 2021]
    Status of excavation of the access tunnel on June 7 where shotcrete application is in progress.
  • [May 13, 2021]
    The access tunnel entrance (front view)
  • [May 06, 2021]
    The access tunnel entrance where the tunnel supporting work is in progress.
  • [May 06, 2021]
    The access tunnel entrance when the excavation has just started.
  • The new photosensors developed for HK
  • The “HK center” mark is found at the ceiling near the dead end
  • The adit to investigate the geological survey of the Hyper-Kamiokande dome
  • The boring which penetrates through the planned position of the cavern for the investigation of its neighborhood.
  • Schematic image of Hyper-Kamiokande detector
  • Illustration of Hyper-Kamiokande detector
  • Rock sample taken from a soil survey at the proposed Hyper-Kamiokande site. The rock consists mainly of homogeneous hard gneiss and Inishi migmatite and is suitable for the excavation of a large cavern.
  • Illustration of proton decay

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