[1D08-12] External Event PRA 1

[1D09] Study on the improved fragility evaluation method of electrical raceways

(2) Capacity test and improved fragility evaluation method

*Tomokazu Higuchi¹, Tatsuya Oku¹, Kazuya Masuda¹, Naotomo Maruyama², Shinji Kosugi³, Ryusuke Haraguchi⁴, Masatsugu Bando⁵, Shinichi Hisatomi⁶, Ryotaro Tatsuzawa⁶, Kento Furuya⁶ (1. TOSHIBA ESS, 2. HGNE, 3. Hitachi, 4. MHI, 5. MHI NS Engineering, 6. TEPCO HD)

Keywords:Electrical raceway, Cable, Cable tray, Test, Capacity, Fragility

In fragility evaluation of cable tray among electrical raceways, it is supposed that damage of cable tray body or its support structure led to cable damage and loss of electric function. But it is possible to think that damage of cable tray body or its support structure does not lead to cable damage and loss of electric function. If the capacity of electric function of cable is stronger than strength capacity of cable tray body or its support structure, it is thought that fragility of cable tray is improved. Therefore, electric function capacity tests were conducted, and capacity data and those deviation were obtained. Based on cable deflection tests, validity of analysis method was confirmed and cable stress in earthquake was analysised. By cable fragility evaluation using capacity data and stress, fragility evaluation method of electrical raceway was improved.