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The purpose of writing this book is to provide the latest research findings in ground control techniques in mining engineering, especially the rock bolting techniques. Since rock bolts are widely used in mining engineering and civil engineering, they are significant in guaranteeing the safety of underground openings. However, instability issues still occur with the rock bolting technique. Therefore, it is valuable to understand the exact load transfer mechanism of rock bolts. This book summarised the recent research work regarding rock bolting conducted by the authors. It is valuable for the readers to fully understand the reinforcing mechanism of fully grouted rock bolts. This book focuses on the bond failure mode of fully grouted rock bolts, which is the most widely encountered failure mode in rock bolting. Different investigation approaches are used in this book, including numerical simulation, analytical modelling and experimental tests. Therefore, this book conducts a comprehensive study to reveal the bond failure process of fully grouted rock bolts. Moreover, it reveals the corresponding bond failure mechanism. Therefore, it helps the reads to fully understand the bond failure mechanism of rock bolting. Moreover, it helps the readers to develop new approaches and methods to prevent failure of the rock bolting system. This is an open access book.

Rock bolts. --- Structural failures.

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Structural analysis (Engineering) --- Structural failures

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Deformations (Mechanics) --- Elastic solids --- Mechanics --- Rheology --- Strains and stresses --- Structural failures

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Concrete and stone seem made to last forever. But the fact is they develop problems. It is not always as dramatic as the collapse of a section of the roof of the Paris Charles de Gaulle airport in 2004. Gradual changes also occur that may compromise the appearance and structural soundness of buildings constructed with these materials. These changes can be created by efflorescence, thermal stress, weathering, leakage and corrosion. This book explains how to avoid typical kinds of failure. With this in mind, it systematically analyzes cases of damage in contemporary international architecture. It also offers strategies for minimizing the risk of damage. Examples include such high-visibility structures as Finlandia Hall in Helsinki, Parco della Musica in Rome and Vontz Center for Molecular Studies in Cincinnatti. In eight chapters, typical kinds of damage are explained and illustrated with examples. Beton und Stein scheinen für die Ewigkeit gemacht. Dennoch kommt es hier zu Bauschäden. Nicht immer sind sie so dramatisch wie der Deckeneinsturz im Terminal des Flughafen Paris-Roissy 2004. Es gibt auch schleichende Veränderungen, die Erscheinungsbild und Statik von Beton- oder Steingebäuden beeinträchtigen können. Dazu gehören Ausblühungen, thermische Auswirkungen, Materialunverträglichkeiten, Korrosion oder massive Krafteinwirkung. Dieses Buch zeigt, wie sich typische Schäden vermeiden lassen. Zu diesem Zweck analysiert es systematisch Schadensfälle in der zeitgenössischen internationalen Architektur. Ebenso werden Strategien vorgestellt, mit denen sich das Schadensrisiko minimieren lässt. Zu den Beispielen gehören so bekannte Bauten wie die Finlandia Hall in Helsinki, Renzo Pianos Parco della Musica in Rom oder Vontz Center for Molecular Studies in Cincinnatti. In insgesamt acht Kapiteln werden typische Schäden erklärt und dann mit Beispielen illustriert. This book explains how to avoid typical kinds of failure. With this in mind, it systematically analyzes cases of damage in contemporary international architecture. It also offers strategies for minimizing the risk of damage.

Masonry --- Concrete construction --- Building failures. --- Collapse of buildings --- Building --- Disasters --- Structural failures --- Concrete --- Foundations --- Walls --- Deterioration. --- Accidents --- Defects

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Most design engineers are tasked to design against failure, and one of the biggest causes of product failure is failure of the material due to fatigue/fracture. From leading experts in fracture mechanics, this new text provides new approaches and new applications to advance the understanding of crack initiation and propagation. With applications in composite materials, layered structures, and microelectronic packaging, among others, this timely coverage is an important resource for anyone studying or applying concepts of fracture mechanics.

Fracture mechanics. --- Failure of solids --- Fracture of materials --- Fracture of solids --- Materials --- Mechanics, Fracture --- Solids --- Deformations (Mechanics) --- Strength of materials --- Brittleness --- Penetration mechanics --- Structural failures --- Fracture --- Fatigue