Lifetime-Oriented Structural Design Concepts- P18 docx

... the design of a numerical length scale, cf. [596]. The extension to higher order elements is straightforward. Applying the interpolation conditions and con- sidering the most general case, ϕ is designed ... fixed crack concept, no convergence problems occur now even in the post-peak regime. The resulting structural response is given in Figure 4.83. Finally, a numerical analysis based on a...

Ngày tải lên: 01/07/2014, 11:20

... shallow foundations side by side) and different loadings arising from the superstructure design (despite design efforts to avoid this). 108 2 Damage-Oriented Actions and Environmental Impact Fig. ... yield strength undergo progressive, localized, and permanent structural changes, i.e. also in these materials fatigue takes place. The structural change thus can be described on the macrosc...

Ngày tải lên: 01/07/2014, 10:43

... the design of a numerical length scale, cf. [596]. The extension to higher order elements is straightforward. Applying the interpolation conditions and con- sidering the most general case, ϕ is designed ... previous subsection is formally identical to classical plasticity theory, algorithms originally designed for standard plasticity models can be applied with only minor modifications necess...

Ngày tải lên: 01/07/2014, 10:43

... inter- faces have been developed within the scope of reduction methods for large structural dynamic models and the design of single dynamical components of challenging structures. These methods ... and [107]). An interesting approach of an explicit-implicit multi time step method for nonlinear structural dynamics which prescribes the continuity of velocities at the interface and uses a...

Ngày tải lên: 01/07/2014, 10:43

... T. Bruhns · Dietrich Hartmann Rüdiger Höffer · Detlef Kuhl Günther Meschke (Eds.) Lifetime-Oriented Structural Design Concepts ABC XVI Contents 3.3.4.2.10 Finite ElementCalculations of the (Reduced)Static ... representing the fields of structural engineering, structural mechanics, soil mechanics, material sci- ence, and numerical mathematics introduced a research program on “lifetime...

Ngày tải lên: 01/07/2014, 10:43

... research Integrated design concepts Appropriate Quality Assurance for structural design, detailing and execution QA is a very important overhead necessity, also for lifetime-oriented design concepts, ... Fundamentals of Lifetime-Oriented Design 7 lifetimes. The progress in lifetime-oriented design concepts can contribute to an international harmonization of warranty law. 1.5...

Ngày tải lên: 01/07/2014, 10:43

... considered for realistic lifetime oriented design concepts especially with regard to the fatigue damage of structures and structural members. The basis of such design concepts is the realistic modelling ... Bridges Authored by Gerhard Hanswille For a realistic lifetime oriented design especially with regard to the fatigue damage of structures and structural members realistic models...

Ngày tải lên: 01/07/2014, 10:43

... numbers N T o of lorries during the design life assumed for λ 2 = 1.0. Therefore the factor differs for structures and structural members with different materials (e.g. structural steel, reinforcement, ... traffic category 2 in Table 3.14. Furthermore for the design life a reference value T so = 100 years was assumed. In case of another traffic category or design life the damage equivalen...

Ngày tải lên: 01/07/2014, 10:43

... the design as long as the train speed is sufficiently below the critical. If however the critical speed is lower than the maximal track speed, resonant amplification will provide the dominant design ... Pattern for Static and Dynamic Design Calculations The following expression summarizes the observed effects and may be applied to static and in particular to dynamic design calculations: q...

Ngày tải lên: 01/07/2014, 10:43

... loading (Subsections 3.2.1.2 and (Subsections 3.2.2) and structural experiments of steel-concrete composite structures (Subsection 3.2.3). 3.2.1 Laboratory Testing of Structural Materials Authored by Otto T. ... envi- ronmentally induced degradation mechanisms, which led to a better under- standing of the microstructural mechanisms and to analysis tools to simulate the relevant processes....

Ngày tải lên: 01/07/2014, 10:43