Ebook: Fracture mechanics of concrete: Structural application and numerical calculation

Concrete has traditionally been known as a material used widely in the construction of roads, bridges and buildings. Since cost effectiveness has always been one of the more important aspects of design, concrete, when reinforced and/or prestressed, is finding more use in other areas of application such as floating marine structures, storage tanks, nuclear vessel containments and a host of other structures. Because of the demand for concrete to operate under different loading and environmen­ tal conditions, increasing attention has been paid to study concrete specimens and structure behavior. A subject of major concern is how the localized segregation of the constituents in concrete would affect its global behavior. The degree of nonhomogeneity due to material property and damage. by yielding and/or cracking depends on the size scale and loading rate under consideration. Segregation or clustering of aggregates at the macroscopic level will affect specimen behavior to a larger degree than it would to a large structure such as a dam. Hence, a knowledge of concrete behavior over a wide range of scale is desired. The parameters governing micro-and macro-cracking and the techniques for evaluating and observing the damage in concrete need to be better understood. This volume is intended to be an attempt in this direction. The application of Linear Elastic Fracture Mechanics to concrete is discussed in several of the chapters.

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Content:
Front Matter....Pages I-XII
Mechanics of fracture and progressive cracking in concrete structures....Pages 1-94
Scale effects in fracture of plain and reinforced concrete structures....Pages 95-140
Numerical methods to simulate softening and fracture of concrete....Pages 141-170
Numerical modeling of discrete crack propagation in reinforced and plain concrete....Pages 171-225
Fracture of steels for reinforcing and prestressing concrete....Pages 226-271
Back Matter....Pages 272-276

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Content:
Front Matter....Pages I-XII
Mechanics of fracture and progressive cracking in concrete structures....Pages 1-94
Scale effects in fracture of plain and reinforced concrete structures....Pages 95-140
Numerical methods to simulate softening and fracture of concrete....Pages 141-170
Numerical modeling of discrete crack propagation in reinforced and plain concrete....Pages 171-225
Fracture of steels for reinforcing and prestressing concrete....Pages 226-271
Back Matter....Pages 272-276
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