[PDF] Top 20 Expected Safety Issues of the Seismically Isolated Nuclear Power Plant Structures
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Expected Safety Issues of the Seismically Isolated Nuclear Power Plant Structures
... possible safety issues in applying seismic isolation system to a NPP structure are ...the safety of isolators, isolation system and isolated structure, it is required that the physical and ... See full document
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Development of seismic countermeasures against cliff edges for enhancement of comprehensive safety of nuclear power plants (part 3: cliff edge effect of seismically isolated critical structures)
... for structures and improve seismic reliability. Seismically isolated structures are isolated from ground by inserting isolation device between structures and ...the ... See full document
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EARTHQUAKE RESPONSE ANALYSIS OF A SEISMICALLY ISOLATED CONTAINMENT BUILDINGS IN NUCLEAR POWER PLANTS CONSIDERING SOIL-STRUCTURE INTERACTIONS
... in nuclear power plants have brought about terrible results such as large casualties, property damages, and semi-permanent radiation contamination, as we have seen from disasters at Three Mile Island in ... See full document
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Assessment and Management of Aging of Nuclear Power Plant Safety-Related Structures (D457)
... reactor power licenses in the ...on safety, technical, or environmental ...the structures and components based on an expected 40-year service ...are expected to seek a renewal of the ... See full document
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Effects of the Different Seismic Input Generation Method and Strong Ground Motion Duration on the Behavior of a Seismically Isolated NPP Structure
... The input motion used in seismic analysis of nuclear power plant structures should be matched to the target response spectrum and has sufficient energy. Further, it is determined by various ... See full document
7
Seismically Optimization of Modified Base-isolated Systems for Next Generation Nuclear Structures
... The evaluated modular reactor is based on the General Atomics GA-MHTGR design (Blandford et al. 2009, INL 2010) that includes a passive core cooling system. The underground containment structure that hosts the module is ... See full document
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Development of Evaluation Method for Seismic Isolation Systems of Nuclear Power Facilities - Fragility Evaluation of Base-Isolated Nuclear Power Plant Structures -
... “ Break of the laminated rubber ” is the limit state of seismically isolated layer, determined by the past fracture test results. Figure 6 shows a distribution of horizontal fracture strain which was ... See full document
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Tornado vs. Hurricane, Which is More Detrimental to the Safety of the US Nuclear Power Plants
... for safety-related structures included as part of standard plant structures in the new certified designs such as ABWR, ESBWR, and AP1000 are 300 mph or ...these structures are designed ... See full document
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Seismic response distributions of isolated nuclear power plants by using stochastic response database
... protects structures from earthquakes by isolating the structure and the ...seismic safety of isolated nuclear power plants should consider the effect of the seismic isolation ...seismic ... See full document
7
Risk-based Safety Performance Indicators for Nuclear Power Plants (M212)
... challenging issues for nuclear plant owners and/or regulators is to recognize early signs of deterioration in safety performance, caused by influences from management, organization and ... See full document
8
Small Scaled Model Tests for Piping Components of Seismically Isolated Nuclear Power Plant
... in Nuclear Power Plant (NPP) because of its ...isolation structures and non-seismic isolation structures during earthquakes and the piping must maintain structural soundness against the ... See full document
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An innovative form of steel-concrete (sc) structures for nuclear power plant
... of nuclear power plant, offering both structural efficiency and potential savings in construction ...to issues of economy and health and safety due to the confined space between the ... See full document
9
ACI 349-12 Chapter 21 Revisions
... is expected under the DBE shaking, thus requiring special boundary ...At nuclear facilities, most walls are squat walls and in-plane flexure effect is secondary in their ...a safety factor of about ... See full document
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The Reevaluation of Seismic Safety of Existing Nuclear Power Plant (K598)
... basic nuclear safety of NPPs, "Reactor Shutdown, Core Cooling and Radioactivity Enclosing", the SCs of the seismic importance category "As" are determined as defined in Japan Nuclear ... See full document
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Assessing Seismic Adequacy of Existing Nuclear Power Plant Structures (K121)
... and structures has been the objective of much research, all of this was reflected in standard material and procedure specifications, in construction and renewal ...in-site safety assurance evaluation in ... See full document
8
Passive Safety in the Engineering of Nuclear Power Plant Buildings
... The safety standards of the International Atomic Energy Agency (IAEA) define general goals for plant engineering based on the concept of defence in ...conservative plant design in accordance with ... See full document
9
Safety Analysis of Ulchin Nuclear Power Plant against Tsunami
... The numerical model simulating the run-up process of tsunami is used to calculate the maximum run-up heights at Ulchin nuclear power plant located at the Eastern coast[r] ... See full document
7
Integrated Analysis and Design of Nuclear Power Plant Concrete Structures
... Existing concrete design software can provide detailed design for specific regular geometry such as one-way slabs, two-way flat plates, two-way flat slabs (with drop panels), slab band systems, one-way pan joist systems ... See full document
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Stress Intensity Factor Estimation for Straight Base Component of Two Dimensions Siddharth Bhadauria 1
... We know pressure vessels is also a kind of a cylinder but a close one from both of the ends. Cylindrical pipes however are open in both the direction to facilitate the flow of fluid in a nuclear power ... See full document
8
RESISTANCE OF NUCLEAR POWER PLANT STRUCTURES TO A LARGE AIRPLANE CRASH AND FIRE
... Figure 4 shows the dispersion results of the liquid at 0.5 sec in the test of Sandia National Laboratories and the analysis of the Brown et al. (2012). Brown et al. carried out the fluid dispersion analysis using a ... See full document
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