881 resultados para STRENGTHENING


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Leaves 102-246 issued separeately as "Part II-Appendices."

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At head of title: Fifth session of the International railway congress, to be held in London in June, 1895.

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Mode of access: Internet.

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Description based on: FY/80.

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"In the Education Amendments of 1976, Congress authorized the Higher Education Act, Title II-C (HEA Title II-C), Strengthening Research Library Resources Program..."--p.iii.

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This article summarises the findings of a project funded and supported by a principal committee of the National Health and Medical Research Council, the Health Advisory Committee, chaired by Professor Adele Green.

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Shear strengthening is required when an RC beam is found deficient in shear, or when its shear capacity falls below its flexural capacity after flexural strengthening. A recent technique for the shear strengthening of RC beams is to provide additional FRP web reinforcement, commonly in the form of bonded external FRP strips/sheets. Over the last few years, several experimental studies have been conducted on this new strengthening technique, which has established its effectiveness. While experimental methods of investigation are extremely useful in obtaining information about the composite behaviour of FRP and reinforced concrete, the use of numerical models such as the one presented in this paper helps in developing a good understanding of the behaviour at lower costs. In the study presented in this paper, ANSYS finite element program is used to examine the response of beams strengthened in shear by FRPs. The FE model is calibrated against test results performed at the University of Kentucky. Once validated, the model is used to examine the influence of fibre orientation, compressive strength of concrete, area of tensile and compressive reinforcements, and amount and distance between stirrups on the strength and ductility of FRP strengthened beam.