HIGH DISPLACEMENT IN ETABS
HIGH DISPLACEMENT IN ETABS
(OP)
Hello Everyone,
I have made a two-story ETABS model (client's request) and unfortunately I am getting a insanely high displacement, Uz in the joints.
I used to work on ETABS 2 years ago and have completed many projects. But I guess I have forgotten some key step. I have yet to adjust the modifiers and everything but it shouldn't be having such high displacement in the first place.Would be highly obliged if anyone can take a look.:)
I have made a two-story ETABS model (client's request) and unfortunately I am getting a insanely high displacement, Uz in the joints.
I used to work on ETABS 2 years ago and have completed many projects. But I guess I have forgotten some key step. I have yet to adjust the modifiers and everything but it shouldn't be having such high displacement in the first place.Would be highly obliged if anyone can take a look.:)





RE: HIGH DISPLACEMENT IN ETABS
RE: HIGH DISPLACEMENT IN ETABS
RE: HIGH DISPLACEMENT IN ETABS
Have you checked in the analysis log file that nothing is un-stable and the model is not ill-conditioned ?
There might be at some places two overlapping joints, one of them is connected to the surrounding shell elements and frame elements and the other is not. This joint will present a very high Uz displacement.
RE: HIGH DISPLACEMENT IN ETABS
I have opened your model. Run a modal analysis with vertical mass turned on and you will see where the huge instabilities come from. Your upper floors seems to be 150 mm thk. timber floor without any beams. Are you sure it is going to take ur 1.5 kPA SDL and 2kPA Live Load?