Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-3 Decommissioning Technology of Nuclear Facilities

[3H05-09] Water sealing technology for F1 2

Wed. Mar 29, 2017 10:35 AM - 11:55 AM Room H (16-303 Building No.16)

Chair: Shin'ichi Toyama (WERC)

+Add all to schedule

10:35 AM - 10:50 AM

[3H05] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(6)Outline for examination (summary and second concrete casting)

*Hiroshi Masaki¹, Yuji Murakami², Toshiaki Wakui², Hisashi Imai², Sumiyuki Sawada², Toshinori Dekura¹ (1. TOSHIBA CORPORATION, 2. HAZAMA ANDO CORPORATION)

10:50 AM - 11:05 AM

[3H06] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(7)Filling and Sealing Experiment of small-scale downcomer model with various conditions

*Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Ryo Yamashita¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:05 AM - 11:20 AM

[3H07] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(8)Filling and Sealing Experiment of downcomer with various water flow conditions

*Ryo Yamashita¹, Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:20 AM - 11:35 AM

[3H08] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(9)Filling and Sealing Experiment for the real scale S/C facility model

*Hisashi Imai¹, Toshiaki Wakui¹, Yuji Murakami¹, Ryo Yamashita¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:35 AM - 11:50 AM

[3H09] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(10)Filling and Sealing Experiment of vacuum breaker valve model

*Sumiyuki Sawada¹, Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Ryo Yamashita¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

Time reserved for Chair (11:50 AM - 11:55 AM)

Session information