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Moreover, the first mode may be torsional and mot translational. Biaxial Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

No, BS suggests other modifiers, especially for slabs, as much as I remember. Biaxial Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

charliealphabravo, that's correct. Eurocode 3, Part 1-8 suggests this as well. Biaxial Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

Superposition is only valid in case of linear analysis, be aware! Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

von misses stresses are for ductile materials only and don't have any sense for concrete. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

Do you have the friction factors available? Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

use X bracing. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

Exactly. Exentically loaded column can lead to biaxial bending... Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

using section designer. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

maybe you can assign a 0.001 torsional modifier to the frame element. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

that distibution of stresses makes sense. You should read the values outside the cross section of the column (not inside joints). Moreover, you should not stick on local stress peaks, but assume a mean value per a unit surface. Analysis and Design of arbitrary cross sections Reinforcement...

out of planee bending may be critical. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

You can use a general finite element analysis program, eg SAP and assign the properties of wood material and section. Finally, after obtaining the analysis results, you can proceed to the check of the cross sections using a general timber cross section application, for example this one. A...

I thinks the difference has only to do with their plasticity (ductility) Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

try access steel. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

simple mechanics.... Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

Moreover, their deformation capacity and thus plasticity are both limited. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis http://www.engissol.com/cross-section-analysis-design.html

The beam should be modeled as it is, eg 0.55x0.30. If you want to be more precise, you can assign a reduced bending stiffness modifier for the slab elements. Analysis and Design of arbitrary cross sections Reinforcement design to all major codes Moment Curvature analysis...

You should use shell elements and assign the corresponding material properties to the sections you will use. You should also take care of the fact that the connection of the precast slab to the masonry should be modeled correctly. Analysis and Design of arbitrary cross sections Reinforcement...

As SAP proceeds to a biaxial design for every structural element, even if it is a column, beam or brace, I would not concern much. On the other hand, SAP uses by default a buckling length factor equal to 1.0 for braces and beams. So, if buckling is critical, you may then want to override that...