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Many researches on size effect of quasi-brittle materials have been carried out. But experiment combining with RC structures is not sufficient. At present, design values in rules and regulations are mainly based on experimental results of small size test samples, which exist different from practical engineering structures. Meeting structural normal using function is a basic principle of structural...
As the acquaintance with the safety of structure is improved, the structure health monitoring play a more important role, in which damage identification is a key problem. In this paper, for reinforced concrete beams, β index and η index based on flexibility matrix are proposed to detect damage. Two RC beams with a span of 7m are tested and the proposed indexes are used to identify damages.
Many studies on size effect of quasi-brittle materials such as concrete and mortar have been carried out. But experimental study and theoretical analysis combining with concrete structure or component is not sufficient, and related theory is not verified fully. This paper collects test information of five different section size samples in different loading stage, including bearing capacity, deflection,...
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