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Titlebook: Current Trends in Concrete Fracture Research; Z. P. Ba?ant Book 1991 Springer Science+Business Media Dordrecht 1991 concrete.damage.fractu

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樓主: Cession
11#
發(fā)表于 2025-3-23 13:44:51 | 只看該作者
12#
發(fā)表于 2025-3-23 15:49:18 | 只看該作者
https://doi.org/10.1007/978-3-658-10777-2erials. When the cohesive zone length is of the order of the specimen size, the influence method — based on finite elements — may be used to solve the fracture problem. Here a brief outline of an enhanced algorithm for this method is given. For very large specimen sizes, an asymptotic analysis devel
13#
發(fā)表于 2025-3-23 18:32:14 | 只看該作者
https://doi.org/10.1007/978-3-658-10777-2 are distinguished: the first one is probabilistic and is related to random distributions of defects in a volume of material; the second one is purely deterministic and is related to fracture propagation in brittle heterogeneous media. These two aspects are combined in a continuous damage model. The
14#
發(fā)表于 2025-3-24 00:43:10 | 只看該作者
https://doi.org/10.1007/978-3-658-10777-2se of power-law hardening materials the relation between plastic stress-intensity factor and .-integral is translated into a relation between stress brittleness number and energy brittleness number. The structural response generally depends on both such numbers and, therefore, is not physically simi
15#
發(fā)表于 2025-3-24 02:45:30 | 只看該作者
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16#
發(fā)表于 2025-3-24 06:31:31 | 只看該作者
The collapse of the Schoharie Creek Bridge: a case study in concrete fracture mechanicsen a necessary part of the failure process. Discussions concerning the application of the finite element method to crack initiation problems and the use of the size effect to estimate failure conditions in large, plain concrete structures are also presented.
17#
發(fā)表于 2025-3-24 14:12:36 | 只看該作者
Size dependence of concrete fracture energy determined by RILEM work-of-fracture methodcimen size. This dependence is even stronger than that of the .-curve. When the specimen size is extrapolated to infinity, the fracture energy according to the RILEM recommendation coincides with the fracture energy obtained by the size effect method. It is also found that, in fracture specimens of
18#
發(fā)表于 2025-3-24 17:00:50 | 只看該作者
19#
發(fā)表于 2025-3-24 21:01:00 | 只看該作者
20#
發(fā)表于 2025-3-25 02:08:13 | 只看該作者
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