TAILIEUCHUNG - Lifetime-Oriented Structural Design Concepts- P2

Lifetime-Oriented Structural Design Concepts- P2: At the beginning of 1996, the Cooperative Research Center SFB 398 financially supported by the German Science Foundation (DFG) was started at Ruhr-University Bochum (RUB). A scientists group representing the fields of structural engineering, structural mechanics, soil mechanics, material science, and numerical mathematics introduced a research program on “lifetimeoriented design concepts on the basis of damage and deterioration aspects”. | XXXII List of Figures Load history with various rest periods 150 . 192 Behaviour of the longitudinal strain at Smax Smin . 192 Related longitudinal strain at Amax Amin . 193 Correlation between the fatigue strain and the residual stiffness subjected to different sequences of cyclic loading . 194 Steps of exposure and measuring during CDF CIF test 731 . . 195 Example relationship between RDM and relative moisture uptake - concrete type 2 610 . 195 Internal damage due to freeze-thaw cycles at several depths of the specimen left Moisture uptake vs. number of freeze-thaw cycles right . 197 Test devices and definitions . 199 Cyclic flow rule I . 200 Cyclic flow rule II . 201 Intensity of accumulation in drained cyclic element tests on soils I . 202 Intensity of accumulation in drained cyclic element tests on soils II . 204 Influence of the grain size distribution curve on Dacc. 205 Undrained cyclic tests. 206 Effect of cycles at a 0. 207 Application of headed shear studs in composite bridges. 208 Load-deflection behaviour of headed shear studs embedded in solid concrete slabs under static loading. 209 Fatigue strength curve for cyclic loaded headed shear studs according 685 . 210 Safety concept to determine the lifetime of composite structures subjected to high cycle loading. 211 Tests with multiple blocks of loading. 213 Tests to compare the effect of the mode control - force control vs. displacement control - and the effect of low temperature . 215 Duration of the crack initiation phase and crack growth velocity due to very low cyclic loads 685 . 216 Details of the push-out test specimen. 216 Servo hydraulic actuators. 217 Position of transducers . 218 Development of plastic slip over the fatigue life in series S1 - S4 . 220 Decrease of static strength vs. lifetime due to high cycle loading. 221 Test .

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