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Umgelenkte Lamellen aus kohlenstofffaserverstärktem Kunststoff als freistehende Spannglieder im Konstruktiven Ingenieurbau

Produktform: Buch / Einband - flex.(Paperback)

The use of CFRP-Strips as freestanding element for Bridge constructions seem to be promising; The high tensile strength of carbon fibre reinforced polymers, combined with the high compression strength of th concrete offer a durable construction system. The results of the current experimental work showed that the ultimate strength of the deviated CFRP-Strips is significantly affected by the bending radius, the Deviation angle and friction, so that the following recommendations can be drawn. For small deviation angle of 15° and by using a bending radius of 1000 mm the reduction factor of the deviated strip was increased up to 95 % without any need for a Polyethylene layer, i.e. there is low contact pressure as well as a low friction effect on the breaking force of the strip. With the help of Polyethylene layer (HD-HML) for a Deviation angle of 30° and by using a bending radius of 1000 mm the acceptance criteria for mandatory requirements, which are listed in the Guideline for European Technical Approval of Post-Tensioning Kits for Prestressing of Structures, can be satisfied, i.e. reduction factor up to 95%. For deviation angles between 30° and 110° an ultimate strength reduction factor up to 85% should be considered in the design.weiterlesen

Sprache(n): Deutsch

ISBN: 978-3-922302-35-3 / 978-3922302353 / 9783922302353

Verlag: Universität Stuttgart Inst. f. Tragkonstr.

Erscheinungsdatum: 30.11.2012

Seiten: 222

Auflage: 1

Autor(en): Mohamed Hwash

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