The Collapse Frequency of Structures

The Collapse Frequency of Structures PDF

Author: Dirk Proske

Publisher:

Published: 2022

Total Pages: 0

ISBN-13: 9783030972486

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The mathematical verification of the safety of structures can be done by determining the probability of failure or by using safety elements. Observed damages and collapses are usually assessed within the framework of expert reports, which seems reasonable due to the large number of unique structures in the construction industry. However, there should also be an examination of observed safety across all structures. Therefore, in this book the collapse frequencies are determined for different types of structures, such as bridges, dams, tunnels, retaining structures and buildings. The collapse frequency, like the failure probability, belongs to stochasticity. Therefore, the observed mean collapse frequencies and the calculated mean failure probabilities are compared. This comparison shows that the collapse frequencies are usually lower than the calculated failure probabilities. In addition, core damage frequencies and probabilities are given to extend the comparison to another technical product. About the Author: Prof. (FH) Dr.-Ing. habil. Dirk Proske MSc. studied civil engineering in Dresden and London. He worked at various universities, such as the TU Dresden, the University of Natural Resources and Applied Life Sciences Vienna and the TU Delft. He has also worked for various engineering firms and on various construction sites, including in South Africa and Indonesia. Since 2018, he has been a professor of risk management at the Bern University of Applied Sciences.

The Collapse Frequency of Structures

The Collapse Frequency of Structures PDF

Author: Dirk Proske

Publisher: Springer Nature

Published: 2022-05-12

Total Pages: 149

ISBN-13: 303097247X

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The mathematical verification of the safety of structures can be done by determining the probability of failure or by using safety elements. Observed damages and collapses are usually assessed within the framework of expert reports, which seems reasonable due to the large number of unique structures in the construction industry. However, there should also be an examination of observed safety across all structures. Therefore, in this book the collapse frequencies are determined for different types of structures, such as bridges, dams, tunnels, retaining structures and buildings. The collapse frequency, like the failure probability, belongs to stochasticity. Therefore, the observed mean collapse frequencies and the calculated mean failure probabilities are compared. This comparison shows that the collapse frequencies are usually lower than the calculated failure probabilities. In addition, core damage frequencies and probabilities are given to extend the comparison to another technical product.

Bridge Collapse Frequencies versus Failure Probabilities

Bridge Collapse Frequencies versus Failure Probabilities PDF

Author: Dirk Proske

Publisher: Springer

Published: 2018-02-22

Total Pages: 126

ISBN-13: 331973833X

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This monograph provides a comparative study between failure probabilities and collapse frequencies in structural bridge engineering. The author presents techniques to resolve and extend the limitations of both parameters, taking also into account the time dependency of both parameters. The book includes available data and case studies and thus presents patterns to identify potential weaknesses and challenges in bridge maintenance. The target audience primarily comprises practicing engineers in the field of bridge engineering, but the book may also be beneficial for academic researchers alike.

Collapse!

Collapse! PDF

Author: Kirstin Cronn-Mills

Publisher: Capstone

Published: 2009

Total Pages: 26

ISBN-13: 0756540615

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Explains, using examples of structural collapses from around the world, the science behind structural engineering and the reasons behind engineering failures.

Advances in Structural Integrity and Failure

Advances in Structural Integrity and Failure PDF

Author:

Publisher: BoD – Books on Demand

Published: 2024-02-21

Total Pages: 176

ISBN-13: 1837695539

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The purpose of this book is to expand the knowledge and skills of civil and structural engineers and researchers and help them better understand, design, and analyze civil engineering applications. This book examines advancements in structural integrity and failure and underground construction. It offers profound insights into the mechanisms that can lead to the integrity or failure of structures and result in safe underground construction. It provides details on the fundamental principles, theories, behavior, and performance of different structural elements and underground construction. The book delves into the mechanics, design, and construction of reinforced concrete structures. It explores the design principles applied to reinforced concrete structures and considers critical structural elements like beams, slabs, columns, and foundations. It also demonstrates various advances in reinforced concrete technology, including high-performance concrete, fiber-reinforced concrete, self-compacting concrete, and the use of nanomaterials. It describes methods for the analysis and evaluation of reinforced concrete structures, non-destructive testing methods, structural health monitoring, finite element analysis, and causes of failure. In addition, the book proposes a design model for determining the flexural bearing capacity of reinforced concrete beams having reinforcement steel with reduced modulus of elasticity. Moreover, the book investigates the effects of loading rates on the mechanical properties of structural steel. It also evaluates the formation of welding defects in the process of connecting steel structures, which is inevitable, from the aspect of failure mechanics. In addition, it utilizes an equivalent shell-wire model to propose a simple accurate technique for nonlinear assessment of reinforced concrete shear walls with less computational cost. The book introduces tunnel design theory and method, support structure systems, construction technology, and equipment under complex geological conditions. Furthermore, it highlights procedures to design efficient dewatering systems considering the working conditions, stability, and impacts generated in the vicinity of construction, and to examine the state of retaining walls by using hydrogeological tools. Finally, it outlines the online monitoring and intelligent diagnosis mechanism of key equipment in the subway ventilation system.

Prediction of The Collapse Load for Moment-Resisting Steel Frame Structure Under Earthquake Forces (Penerbit USM)

Prediction of The Collapse Load for Moment-Resisting Steel Frame Structure Under Earthquake Forces (Penerbit USM) PDF

Author: Fadzli Mohamed Nazri

Publisher: Penerbit USM

Published: 2015-12-01

Total Pages:

ISBN-13: 9838618942

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This research book presents the fundamental work related to the prediction of collapse load for a moment-resisting steel frame (MRSF) subjected to earthquake forces.It demonstrates the extensive work in nonlinear analysis with particular reference to pushover analysis (POA) and incremental dynamic analysis (IDA), and deliberates at length the historical background for each method. More importantly, the book simplifies the collapse prediction process of a structure based on analytical expression. In addition, this book describes the MRSF which was designed according to Eurocode(s). This bookserves as a guide and reference for practitioners and students. Universiti Sains Malaysia, Penerbit Universiti Sains Malaysia

Progressive Collapse Analysis of Structures

Progressive Collapse Analysis of Structures PDF

Author: Daigoro Isobe

Publisher: Butterworth-Heinemann

Published: 2017-07-11

Total Pages: 226

ISBN-13: 0128130423

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Provides a new method for analysing collapse behaviours of buildings under various scenarios, such as impact, fire, blast demolition, earthquake, and tsunami. The analysis of the vulnerability of buildings against progressive collapse is a challenging task. Progressive Collapse of Structures: Numerical Codes and Applications provides a variety of numerical analysis tools and methods which allow engineers to simulate structural collapse behavior during all stages of the process. This book covers methods such as adaptively shifted integration (ASI) and ASI-Gauss techniques. Algorithms are supplied to simulate member fracture and contact behaviors. The author also supplies various numerical examples including case studies from the World Trade Center (WTC) towers in New York City, Nuevo Leon buildings in Mexico, and the collapse of the Canterbury Television (CTV) building in New Zealand. Discusses algorithms for simulating fracture and contact behaviors of structural members Covers fire-induced progressive collapse analyses of high-rise towers, seismic pounding analysis of adjacent buildings, blast demolition analysis of steel-framed structures, and many more Includes numerical codes that supply highly accurate solutions with less memory use and small computational cost

Heritage Masonry

Heritage Masonry PDF

Author: S. Syngellakis

Publisher: WIT Press

Published: 2013-10-02

Total Pages: 193

ISBN-13: 1845648390

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Masonry is a traditional, highly durable mode of construction; many heritage masonry structures, built at various historical periods, have survived, to a lesser or greater extent, adverse environmental conditions, which have reduced, sometimes considerably, their integrity, strength and durability. Due to the cultural significance of heritage architecture, resources are today allocated towards their restoration and conservation. This volume comprises distinguished contributions from the Transactions of the Wessex Institute describing research efforts towards achieving these objectives. Topics covered include: Understanding of constituent materials, modes of construction and overall mechanical behaviour; Dynamic behaviour; Sonic pulse velocity tests; Micro-vibration measurements; Failure mechanisms; Structural strength assessment; Binding material mixtures; Composition and properties of ancient mortars; Contemporary repair material; Infra-red thermography measurements; Mortars, plasters, renders and grouts. The various issues mentioned above are addressed by the present collection of scientific papers with considerable insight and thoroughness. It is thus hoped that this volume will fill a gap in the literature as a valuable source of information and guidance to researchers and engineers working in the area of restoration and conservation of heritage masonry structures.