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CHUDOBA, R. VOŘECHOVSKÝ, M. KONRAD, M.
Original Title
Stochastic modeling of multi-filament yarns. I. Random properties within the cross-section and size effect
Type
journal article - other
Language
English
Original Abstract
The paper presents a thorough study of sources ofrandomness/disorder in multi-filament yarns that are relevant fortheir performance in textile reinforced concrete. For the analysis ofbundles with infinite number of fibers we use a continuousanalytical model with refined kinematic hypothesis. In parallel, weapply a more general discrete numerical bundle model covering thecases of finite number of fibers and spatial variations of materialproperties. The considered distributions of material propertiesinclude variations of parameters (local stiffness and strength)both from filament to filament and over thelength of each filament. In the present paper, we study theinfluence of variations in filament properties across the bundle. Inthe companion paper Part II, the variations ofmaterial properties over the length are considered.Both papersprovide the basis for correct interpretation of the data obtainedfrom the tensile test on multi-filament yarn with varied specimen length. As the actual goal of the present work is to derive yarn characteristics relevant for crack bridges in cementitious composites we systematically assess the significance of the studied sources of disorder in the context of extremely short bundle lengths.
Keywords
Multi-filament yarn; Fiber bundle models; Delayed activation; Size effect
Authors
CHUDOBA, R.; VOŘECHOVSKÝ, M.; KONRAD, M.
RIV year
2006
Released
1. 2. 2006
Publisher
Elsevier
Location
USA
ISBN
0020-7683
Periodical
International Journal of Solids and Structures
Year of study
2006 (43)
Number
3-4
State
United Kingdom of Great Britain and Northern Ireland
Pages from
413
Pages to
434
Pages count
22
BibTex
@article{BUT46408, author="Rostislav {Chudoba} and Miroslav {Vořechovský} and Martin {Konrad}", title="Stochastic modeling of multi-filament yarns. I. Random properties within the cross-section and size effect", journal="International Journal of Solids and Structures", year="2006", volume="2006 (43)", number="3-4", pages="413--434", issn="0020-7683" }