Applied Theory of Structural Analysis
- Department of Concrete and Masonry Structures
Factors influencing creep and shrinkage of concrete. Main features and effects of creep and shrinkage of concrete. Increase of deflections and redistribution of internal forces. Structures changing structural system and second order effects. Time development of the humidity and temperature distributions in concrete members. Environmental conditions and analysis of temperature and humidity transfer. Non-uniformity and time development of temperature and humidity distributions. Strain softening. Stress analysis. Creep and shrinkage prediction models. Calculation of strain from a known stress history. Direct integration and methods of time-discretization. Analysis of stress variation with known strain history; relaxation. Creep and shrinkage analysis of structures. Structural analysis of statically determinate and indetermi-nate structures, homogeneous and non-homogeneous, changing structural system. Methods of structural analysis. Redistribution of internal forces. Stress variation in concrete structures subjected to support settlements. Stress distribution in box girders. Creep analysis of high-rise buildings. Creep buckling. Excessive deflections of prestressed concrete bridges. Findings from experimental investigations. Measurements of stress and deflection developments. Com-parison of experimental results with theoretical predictions. Statistical variability of material creep parameters and environmental factors. Uncertainty of creep predictions. Variability of stresses and deformations. Conclusions and practical recommendations.
Main features of thin-walled structures. Pure torsion and warping torsion. Cross-sectional characteristics of open and closed thin-walled members. Thin-walled beams with rigid and deformable cross-section. Harmonic analysis. Folded plate theory. Membrane and slab actions. Formation of the element stiffness matrix. Analysis of various types of folded plate structures. Folded plate analysis of tall buildings. Computer program. Shells. Membrane theory of shells. Shear lag in wide flanges - main features and methods of analysis. Prestress losses. Experimental findings. Excessive deflections of long-span prestressed bridges.
- Syllabus of lectures:
- Syllabus of tutorials:
- Study Objective:
The purpose of the subject is understanding of methods in research in materials and civil engineering structures, with an emphasis on advanced analysis and design, modeling strategies, methodologies and applications, and on the practical implications of recent research developments.
- Study materials:
1. Křístek, V.: „Teoretické problémy betonových konstrukcí a mostů“, skriptum, ČVUT 1980
2. Křístek, V.: „Teorie výpočtu komůrkových nosníků“, SNTL Praha 1974
3. Šmerda, Z., Křístek, V.: „Dotvarování a smršťování betonových prvků a konstrukcí“, SNTL Praha 1978
- Further information:
- No time-table has been prepared for this course
- The course is a part of the following study plans:
- konstrukce pozemních staveb - 2014 (compulsory elective course)