 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 11223 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8011
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| In English (Mech. Solids): | | 3212 |
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| O. V. Trifonov, "On the description of coupled processes of deformation and damage accumulation in structures subjected to intensive loads," Mech. Solids. 41 (2), 113-122 (2006) |
| Year |
2006 |
Volume |
41 |
Number |
2 |
Pages |
113-122 |
| Title |
On the description of coupled processes of deformation and damage accumulation in structures subjected to intensive loads |
| Author(s) |
O. V. Trifonov (Moscow) |
| Abstract |
An approach to the description of coupled spatial inelastic
deformation and failure of reinforced concrete structures is
proposed. The system of constitutive relations is constructed
assuming the existence of the load surface in the generalized force
space and using the principle of normality of the increment vector
of the inelastic components of the generalized strains to the load
surface. The key difference between the proposed approach and the
existing models is that the processes of damage accumulation and
fracture development are taken into account explicitly. The
introduction of the damage measures enables a better agreement with
the experimental data to be achieved, it also provides a
straightforward criterion which can be used to assess the current
state of a structural element or the entire structure in the
numerical simulations. The applicability of the proposed approach to
complex deformation modes is demonstrated by comparing the model
predictions with the experimental data on the spatial cyclic
deformation of reinforced concrete columns. The approach developed
is used to analyze the response of a multistory building to
intensive seismic loads modeled by random processes and to obtain
possible failure modes of such structures. |
| References |
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|
| Received |
10 October 2005 |
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