.

SAFETY ASSESSMENT OF EXISTING BUILDINGS AND STRUCTURES

Edited by K.I.Eremin, V.D.Raizer, V.I Telichenko


The largest, public and industrial buildings stated the one of important humanitarian problem that is the safety protection of human life. The paper deals in particular with this problem.

Considering different approaches and methods the authors of this book submit the safety analysis of building structures in course of operation.

Authors are considering wide number of modern engineering problems, including survey, analysis and concept of structural failure, real bearing capacity of structures, methods and systems increasing structural safety.

СВИДЕТЕЛЬСТВО О РЕГИСТРАЦИИ

 

Preface

Assessing the safety of an existing structure may however differ very much that for a structure at the design stage. The existing buildings and structures are subject to deterioration and damage, they are likely to be periodically inspected and repaired or strengthened if necessary. Consequently, regarding the state of information the situation in assessing the existing buildings and structures is completely different from that during design. Moreover, special attention had to be paid to specific parts of the existing buildings, especially to those that are at high risk of damage according to observations of the building in service. On the other hand, the interpretation and analysis of additional information may not be simple. The assessment of actual safety of the existing buildings and structures will includes some actions discussed in this book.

This book contains the papers written by the specialists from research organizations, universities and regulatory agencies including Russia, Ukraine and Belarus. The authors were focused on applying the necessary in-situ data, experimental data and some necessary analytical rigor to the engineering context. In the book presented   new development as well as state-of –the –art applications of safety principles to all kind of buildings-residential, public, industrial. Moreover-in view of the growing concern for product liability – safety, reliability performance and quality assurance aspects of major structural schemes of buildings are covered.

There are two ways to evaluate the safety of existing buildings: the theoretical approach and the empirical approach. The theoretical approach uses a rigorous mathematical theory generally known as reliability theory. However, the theory cannot be truly effective because the failure mechanism of most buildings is too complex from the theory to model, and the method requires supporting statistical data which often do not exist. The empirical approach, on the other hand, provides failure estimates based on empirical data. There are average estimates, applicable to large groups of near identical buildings. The empirical method cannot take into consideration specific features of a building which may distinguish the building from others of its class.

In this book, an approach to structural safety which may serve as a bridge between the theoretical and empirical approaches is exploded.

Results of the presented researches will definitely affect the future design practice.

Table of Contents

 

Preface

Part I. Survey, Analysis and Concept of Structural Failure

Ch. 1 Analysis of Causes and Consequences of Accidental Situations

Sec.1.1. General Comments

Sec.1.2. Classification of Accidents

Sec.1.3. Accidents Associated with Collapse of Covering

Sec.1.4. Reliability Analysis of Coatings with Bearing Steel Structures

Sec.1.5. Risk Analysis of Accidents in Bearing Coatings

Sec.1.6. Ensuring of Safe Operation in Civil Buildings

Sec.1.7. Overview of Accidents in Civil Buildings

Sec.1.8. Damage of Bearing Structures in Civil Buildings

Sec.1.9. Analysis of Accidents at Metallurgy Factories

Ch. 2. Resistance of Buildings in Case of Accidental Actions Including Fire

Sec.2.1. General Comments

Sec.2.2. The Fire on Ostankino TV Tower on August, 2000

Sec.2.3. Engineering Aspects of 0.9, 11(WTC, New York)

Sec.2.4. Engineering Aspects of 09.11. (Building of Pentagon)

Sec.2.5. New Threats to Objects of Construction Complex, Associated with Combination of Accidental Actions with the Participation of Fire

Sec.2.6. Standardizing Procedure of Structural Protection from the Progressive Collapse

Sec.2.7. Protection of Structures from Progressive Collapse (First approach)

Sec.2.8. Protection of Structures from Progressive Collapse (Second Approach)

Sec.2.9. Analysis of Different Approaches to Protection of Objects from Progressive Collapse

Sec.2.10. Theory of the Fire Resistance of Building Structures

Sec.2.11. Resistance of Buildings Structures due to Combination of Accidental Actions (CHE) with the Participation of Fire

Ch. 3. Natural Disasters and Structural Robustness

Sec.3.1.Disaster Prediction Problems

Sec.3.2. Statistical Evaluation of Natural Disasters

Sec.3.3. Safety Criteria of Unique Structures

Sec.3.4. Robustness of Structural Systems

Ch. 4. Dynamic Actions Generating Structural Failure

Sec.4.1. General Comments

Sec.4.2. Classification of Dynamic Loads

References

Part II. Real Bearing Capacity of Structures

Ch. 5. Buildings and Structures as Complex Natural and Man-made System

Sec.5.1. General Comments

Sec.5.2. Accident Scenarios

Sec.5.3. Problems Arising in the Development of Accident Scenarios

Sec.5.4. Development of Visual and Measuring Control Technologies

Sec.5.5. Hazard of Dangerous Natural Processes

Sec.5.6. Study of Paleotopography

Sec.5.7. Anaerobic processes

Ch. 6. How to Make Safe the Major Repair

Sec.6.1. General Comments

Sec.6.2. Typical Errors that Occur in the Working Design

Sec.6.3. Typical Errors and Recommendations on their Elimination

Sec.6.4. Energy-Saving as an Important Component of the Major Repair

Sec.6.5. Façade Systems Requirements

Ch. 7. Buildings Structures in Complex Conditions of Operation

Sec.7.1. General Comments

Sec.7.2. Deformation Model

Sec.7.3. Structural Diagram and Dynamic Actions

Sec.7.4. Analysis of the Dynamic Responses of Structures

Ch. 8. Study of the Regularities of Structural Physical Wear due to the Buildings of Thermal Power Factories

Sec.8.1. General Comments

Sec.8.2. Analysis of Structural Decisions

Sec.8.3. Analysis of Defects and Damage of Bearing Building Structures

Sec.8.4. Reasons of Occurrence of Defects and Damage

Sec.8.5. Study of Structural Wear of Working Platforms

Ch. 9. Reliability of Corroding Structures

Sec.9.1. Models of Corrosion Wear

Sec.9.2. Uniformly Distributed   Corrosion Wear

Sec.9.3. Irregular Distribution of Corrosion Wear

Sec.9.4. Calibration of Partial Factor

References

Part III. Analysis of Structural Safety and Reliability

Ch. 10. Methods of Estimation of Residual Buildings Life

Sec 10.1. Definition of a Residual Resource

Sec.10.2. Application of Probabilistic Methods

Sec.10.3. General Methodical Principals

Ch. 11. Problems of Codified Reliability Methods, Rules of Operation, Survey and Prediction of Service Life for Structures

Sec.11.1. Historical Notes

Sec.11.2. Recommended Methods of Calibration of Safety Factors

Sec.11.3. Service Life and Durability of Buildings

Sec. 11.4. General and Inter-Repair Service Life of Buildings and Structures

Ch. 12. Operational Reliability of Spatial Hanging Roof

Sec.12.1. General Comments

Sec.12.2. Analysis of the Hanging Structures beyond Elastic Limit

Sec.12.3. Probabilistic Analysis of Hanging Structures

Sec.12.4. Study of the Reliability of the Hanging Structures

Ch. 13. Creation of Operational Reliability of Buildings as Complex Systems

Sec.13.1. Some Concepts from the Theory of Reliability

Sec.13.2. Approach to the Creation of Operational Reliability and Safety

Sec.13.3. Methods of the Technical   Diagnostic and Non-Destructive control

Sec.13.4. Analysis of the Problems of Classification

Ch.14. Safety Provision of the Panel Buildings at the Stage of their Construction

Sec.14.1. Methods of Ensuring Structural Safety

Sec.14.2. Risk of Destruction of Prefabricated Buildings

Sec.14.3. Structural Diagram of the Reliability for Panel Buildings

Ch. 15. Evaluations of Existing Structures

Sec.15.1. Principles of Assessment

Sec.15.2. Reliability Assessment

Sec.15.3. Decision Criteria

References

 

ЧИТАТЬ РАБОТУ ПОЛНОСТЬЮ

 

Обновлено: 10.03.2016 — 14:18

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