Time Dependent Behavior Of Reinforced Concrete Structures
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Time-dependent Behavior of Reinforced Concrete Structures
A mathematical model is developed for the study of time-dependent behavior of reinforced concrete frame structures. The model is formulated to account for creep, cracking, and drying shrinkage in the concrete. The output from the model includes forces, stresses, strains, and displacements in the structure. The model is formulated on the basis of idealizations in time and geometry. The idealization of incrementing the time is an expedient for integration of the hereditary strain-stress law for concrete. A linear law in functional form provides an accurate description of concrete strain-stress behavior within design stress ranges. The geometric idealizations are made so that the stiffness of the structures may be found. The structural members are divided into length increments and each length increment is divided into depth increments so that the bending and axial stiffness of a reinforced concrete member may be evaluated. (Author).
Time-Dependent Behaviour of Concrete Structures
Serviceability failures of concrete structures involving excessive cracking or deflection are relatively common, even in structures that comply with code requirements. This is often as a result of a failure to adequately account for the time-dependent deformations of concrete in the design of the structure. The serviceability provisions embodied in
Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, Two Volume Set
CREEP, SHRINKAGE AND DURABILITY MECHANICS OF CONCRETE AND CONCRETE STRUCTURES contains the keynote lectures, technical reports and contributed papers presented at the Eighth International Conference on Creep, Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP8, Ise-shima, Japan, 30 September - 2 October 2008). The topics covered