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Deterministic and Probabilistic Structural Integrity Analysis of the Reinforced Concrete Structures

ISBN:
978-1-56700-273-7 (Print)

Deterministic and Probabilistic Structural Integrity Analysis of the Reinforced Concrete Structures

Gintautas Dundulis
Lietuvos energetikos institutas, Branduoliniø áenginiø saugos laboratorija, Breslaujos g. 3, LT-44403 Kaunas, Lithuania

R.F. Kulak

Eugenijus Uspuras
Laboratory of Nuclear Installation Safety, Lithuanian Energy Institute, Breslaujos str. 3, LT-44403 Kaunas, Lithuania

Description

The objective of this monograph is to summarize the scientific research in the structural integrity analysis field as applied to Nuclear Power Plant reinforced concrete structures. The described research areas were performed by the authors of this monograph during the years 1995-2006. The research presented in this monograph applies to structural integrity investigations of Ignalina NPP buildings due to static and dynamics loads.



168 pages, © 2012

Table of Contents:

Preface
Nomenclature
1 Introduction
2 Deterministic structural integrity analysis
2.1 Reinforced concrete structure
2.2 Analysis of RC structures
2.3 Finite elements for modelling RC structures
2.3.1 Finite elements for modelling RC for linear analysis
2.3.2 Finite elements for modelling RC for thermal analysis
2.3.3 Finite elements for modelling RC for non-linear analysis
2.4 Finite elements for modelling metallic frames and pipes
2.5 Finite elements for modelling steel plates
3 Structural integrity analysis for static loads
3.1 Linear analysis
3.1.1 Analysis of ALS under internal pressure using the ALGOR code
3.1.2 Analysis of ALS under internal pressure using the ALGOR and NEPTUNE codes
3.1.3 Evaluation of the influence of temperature on the stress condition of ALS RC structures
3.1.4 Evaluation of the influence of leak tightness on the stress condition of ALS RC structures
3.1.5 Analysis of building walls and slabs under concentrated load
3.2 Non-Linear analysis
3.2.1 Analysis of the ALS under internal pressure
3.2.2 Analysis of building walls and slabs under concentrated load
4 Structural integrity analysis for dynamic loads
4.1 Impact analysis of a whipping group distribution header into an adjacent wall
4.1.1 System description and finite element model
4.1.2 Boundary condition
4.1.3 Applied Loading
4.1.4 Results
4.2 Aircraft impact into an ALS building
4.2.1 Finite element model for ALS building
4.2.2 Boundary conditions
4.2.3 Strain-rate models
4.2.4 Transient aircraft impact loading
4.2.5 Global finite element transient analysis
4.2.6 Local transient analysis
5 Structural integrity analysis for thermal loads
5.1 Analysis of the degradation of structural strength due to fire loading
5.1.1 System description and finite element models
5.2 Applied Loads
5.2.1 Analysis Results
5.3 Structural integrity analysis of a RC wall due to thermal and pressure loading
5.3.1 System description and finite element model
5.3.2 Applied loads
5.3.3 Analysis results
6 Probabilistic structural integrity analysis
6.1 Importance of probabilistic structural integrity analysis
6.2 Probabilistic analysis methods
6.2.1 Monte Carlo Simulation Method
6.2.2 First-Order Second-Moment analysis Method
6.2.3 First Order Reliability Method
6.2.4 Response Surface/Monte Carlo Simulation Method
6.2.5 Adaptive Importance Sampling Method
6.3 Structural failure estimation using finite element and probabilistic methods
6.4 Evaluation of parameter uncertainties
7 Probabilistic analysis of the structural integrity of the ALS under internal pressure
7.1 Model for the analysis of ALS damage
7.2 Results of Probabilistic Analysis of ALS structural integrity due to pressure
8 Probabilistic analysis of damage to a wall from a whipping group distribution header
8.1 Finite element models for the group distribution header and RC walls
8.2 Numerical results
8.2.1 Probabilistic analysis using MCS method
8.2.2 Probabilistic analysis using the FORM method
8.2.3 Probabilistic analysis using RS/MCS method
9 Probabilistic analysis of damage to a nuclear power plant building due to aircraft impact
9.1 Model for the analysis of building failure
9.2 Results of probabilistic analysis of damage using transient impact load
9.2.1 Results of probabilistic analysis using MCS method
9.2.2 Results of probabilistic analysis using FORM method
9.2.3 Results of probabilistic analysis using RS/MCS method
Summary
References
Index