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by seismosoft
13 Sep 2025, 20:31
Forum: 04-Unexpected behaviour/errors
Topic: Shear capacity calculation problem
Replies: 9
Views: 6551

Re: Shear capacity calculation problem

Unfortunately, SeismoStruct does not support inclined bars at the beam edges. The best thing to do is to employ hard calculations for the estimation of their contribution in the shear capacity.
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by seismosoft
10 Sep 2025, 07:21
Forum: 02-Getting started with the modelling
Topic: Diaphragm
Replies: 1
Views: 31

Re: Diaphragm

You can define semi-rigid diaphragms either with the shell4 element or with the rigid diaphragm with reduced stiffness coefficients (see Program Settings).
I am not sure I understood your second question. The bending moment diagrams are determined by the program, thus the zero moments are ...
by seismosoft
08 Sep 2025, 20:37
Forum: 04-Unexpected behaviour/errors
Topic: Shear capacity calculation problem
Replies: 9
Views: 6551

Re: Shear capacity calculation problem

The shear capacity is determined by several other factors, apart from the geometry and the transverse reinforcement, e.g. the axial loads, the ductility demand, the Lv=M/V ratio, and the longitudinal reinforcement. In particular for the Greek code, see equation (G.1) in Annex 7G. This is the ...
by seismosoft
04 Aug 2025, 13:22
Forum: 02-Analytical capabilities
Topic: How are Average Misfit and Max Misfit calculated in SeismoMatch?
Replies: 1
Views: 475

Re: How are Average Misfit and Max Misfit calculated in SeismoMatch?

The maximum misfit is the maximum difference of the spectral values between the target spectrum and the response spectrum of the derived accelerogram inside the period range that has been specified by the user. The average misfit is the average of all the differences in the specified period range ...
by seismosoft
04 Aug 2025, 13:18
Forum: 03-Analytical/modelling capabilities
Topic: Cracked/Uncracked stiffness for Pushover
Replies: 7
Views: 1934

Re: Cracked/Uncracked stiffness for Pushover

You may use the displacement-based plastic hinge model for a linear M-theta diagram. (Main Window>Analysis Parameters>Advanced Settings>Advanced Building Modelling)
The default setting for the frame elements is with fiber-modelling.
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by seismosoft
15 Jul 2025, 05:43
Forum: 03-Analytical/modelling capabilities
Topic: Cracked/Uncracked stiffness for Pushover
Replies: 7
Views: 1934

Re: Cracked/Uncracked stiffness for Pushover

Section 7.2.3 of KANEPE refers to the elastic methods of analysis. In the Nonlinear Static Procedures the uncracked stiffness should be employed, in the execution of both eigenvalue and pushover analysis. Specifically, in pushover the analysis starts with the uncracked/undamaged members and the ...
by seismosoft
15 Jul 2025, 05:39
Forum: 02-Analytical capabilities
Topic: Estimating Tp for records with pulse period larger than 4
Replies: 4
Views: 5748

Re: Estimating Tp for records with pulse period larger than 4

No, there are no constraints in the pulse identification algorithm of SeismoSignal.
In some cases, there are inconsistencies between the NGA database parameters and the SeismoSignal calculations with records that are NOT pulse-like. In these cases, since the algorithm employed is different ...
by seismosoft
01 Jul 2025, 16:07
Forum: 03-Unexpected behaviour/errors
Topic: Changing Damping does not change
Replies: 1
Views: 974

Re: Changing Damping does not change

Where exactly does this happen? In which code, specifically? We checked it and the spectrum changes, when the user changes the damping value.
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by seismosoft
29 May 2025, 07:52
Forum: 03-Analytical/modelling capabilities
Topic: First Mode Period of Steel MRF
Replies: 3
Views: 1635

Re: First Mode Period of Steel MRF

The wizard create a sample model that is not necessarily correct technically, for instance in steel buildings there are no steel braces (which is the main reason for the very large fundamental period). It is just a way to introduce the program quickly to new users.
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by seismosoft
22 May 2025, 09:27
Forum: 03-Analytical/modelling capabilities
Topic: Modeling of Friction Pendulum in Seismobuild Advanced
Replies: 2
Views: 1996

Re: Modeling of Friction Pendulum in Seismobuild Advanced

Can you be more specific? What do you mean with "the parameters (of the Friction Pendulum isolators) that can be entered in the modeling window, are derived directly from the one for elastomeric isolators"?
If you mean that the two types of isolators have the same input, this is not correct. The ...

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