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Non-linear analysis of two-layer beams with interlayer slip and uplift
ID
Kroflič, Aleš
(
Author
),
ID
Saje, Miran
(
Author
),
ID
Planinc, Igor
(
Author
)
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MD5: 7E2B8D5FF0E2403C26B070F79EA3825E
PID:
20.500.12556/rul/b22472f8-16b2-47e1-b170-4f1ec4589fbc
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Abstract
A new mathematical model for the non-linear analysis of two-layer planar beams considering flexible connections is introduced and an effective, strain-based finite element numerical solution method derived. The model and the solution method account for the exact geometrically non-linear behaviour in each separate layer. Material is assumed homogeneous but can be different in each layer. The shear strains are neglected. The laws of contact in both tangent and normal directions are taken non-linear. Numerical examples verify the proposed approach. The comparisons with numerical and experimental results from literature are made and the effects of uplift on ductility and stress distribution in beams are systematically explored. The theoretical model, combined with the present numerical formulation, has been found to result in realistic behaviour, while the numerical method proves to be accurate, reliable and computationally effective. (C) 2011 Elsevier Ltd. All rights reserved.
Language:
English
Keywords:
non-linearity
,
reissner beam
,
slip
,
uplift
,
strain-based finite element
Typology:
1.01 - Original Scientific Article
Organization:
FGG - Faculty of Civil and Geodetic Engineering
Publisher:
Elsevier
Year:
2011
Number of pages:
Str. 2414-2424
Numbering:
Letn. 89, št. 23/24
PID:
20.500.12556/RUL-32128
UDC:
624.072.2
ISSN on article:
0045-7949
DOI:
10.1016/j.compstruc.2011.06.007
COBISS.SI-ID:
5502817
Publication date in RUL:
10.07.2015
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2915
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1018
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Record is a part of a journal
Title:
Computers & structures
Shortened title:
Comput. struct.
Publisher:
Elsevier
ISSN:
0045-7949
COBISS.SI-ID:
4419338
Secondary language
Language:
English
Keywords:
nelinearnost
,
Reissnerjev nosilec
,
zdrs
,
razmik
,
deformacijski končni element
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