Research on New Type Quantitative Nondestructive Pre-Stress FRP Sheet Tension Fixture

Guang Shan Zhu; Long Sheng Bao; Chao Guo

doi:10.4028/www.scientific.net/AMM.580-583.2220

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Research on New Type Quantitative Nondestructive...

Research on New Type Quantitative Nondestructive Pre-Stress FRP Sheet Tension Fixture

Abstract:

Traditional pre-stress FRP sheet tension fixture must have the beam of the bridge slotted to reduce the cross-section of the beam. Besides, stress on the FRP sheet is irregular with local stress concentration. Its indirect load pre-stress, as well as quantitative criterion of pre-stress born by FRP sheet is not accurate. To solve the above problems, a newly-developed self-balanced type pre-stress FRP sheet tension fixture has been introduced. Such a tension fixture consists of welded steel frame, a mechanical jackscrew, a dynamometer and a strain gauge. It is able to give specified stress onto the FRP sheet accurately while not damaging the beam cross-section. At the same time, with the combination of ANASYS Workbench and UG8.0 Software, also states the simulation analysis of the new type tension fixture, including its stress under practical work and deformation state, which initially proves the scientific and economic usefulness of such tension fixtures.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

2220-2223

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.2220

Citation:

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Online since:

July 2014

Authors:

Guang Shan Zhu*, Long Sheng Bao, Chao Guo

Keywords:

Non-Destruction, Pre-Stress FRP Sheet, Quantify Tension, Tension Fixture

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* - Corresponding Author

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