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원자력 발전소 및 군사시설 등 특수시설의 사양에 설계되며, 유사시 폭발물에 의해서
연쇄폭발방지 목적 및 폭발시발생되는 폭발압력에 의한 파편,폭풍파 차단 목적으로 사용
됩니다.요구되는 방폭 조건에 따라 Type(콘크리트,철) 분류 되어 설계되는 구조물 입니다.
■ 적용 코드
- ASME N510 Testing of Nuclear Air Treatment Cleaning System
- NFPA 80 Standard for Fire doors
- UL 10B/10C Safety Fire Tests of Door Assemblies
- ASTM A 36 Standard Specification for carbon structural steel
- ASTM A108 Standard Specification for Steel Bars
- ASTM D2000 Standard Classification System for Rubber
- NCIG 01 Visual Weld Acceptance Criteria for Structural
- KEPIC MEN Nondestructive Examination
- KEPIC MQ Nondestructive Examination
- KEPIC SWS Nondestructive Examination
- KEPIC SGC Nondestructive Examination
- KEPIC QAP Nondestructive Examination
■ 인증서
■ 설계조건
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1. 고려된 설계 하중 및 동하중 계수
1.1 D=Dead/Gravity Loads 1.2 Po=Normal Operating Pressure : 1/4inch water gage negative pressure. 1.3 Pa/Ta=Accident Condition Pressure( 24 Psid ) /Temperature 1.4 DLF=Dynamic Load Factor for Accident Pressure : 2.0 1.5 E=Seismic Load(Safe Shutdown Earthquake(SSE)) 1.6 Normal loading combination=1.0 KEPIC SND 1.7 Extreme environmental loading condition The design allowable stress shall be the lesser of 1.6 x KEPIC SND i) 0.95 Fy for flexure ii) 0.95 Pcr for compression (PCR은 탄성체와 비탄성체의 구조적 안정성을 위한 임계좌굴하중) iii) 0.95 Fy / √3 for shear 1.8 Abnormal/Extreme environmental loading condition : The design allowable stress shall be the lesser of 1.7 x KEPIC SND i) 0.95 Fy for flexure ii) 0.95 Pcr for compression iii) 0.95 Fy / √3 for shear -
1. 고려된 설계 하중 및 동하중 계수
2.1 Normal combination 1.0 D + 1.0Po 2.2 Extreme environmental condition 1.0 D + 1.0 Po + 1.0 ESSE 2.3 Abnormal/Extreme environmental loading condition 1.0 D + 1.0 Pa +Ta 1.0 D + 1.0 ESSE+ 1.0 Pa 1.0 D + 1.0 ESSE+ 1.0 Ta 1.0 D + 1.0 ESSE+ 1.0 Pa + 1.0 Ta *NOTE : 상기의 Pa 값에 Dynamic Load Factor(DLF) 적용 - 3.Safe Shutdown Earthquake - Damping Factor 4%
