Hi,
I am trying to complete a force-displacement curve for a concrete prism with a weak section in the middle (5mm long) with fx = 90% of fx for damage localization
to study the mesh sensitivity in ABAQUS.
However, the curve returns with very brittle behaviour and with much higher ductility but the ultimate strength is about the same. This can be due to anything that I have modelled (boundary conditions, face-to-face tie constraints or load application).
Both the model in ABAQUS and the comparison will be attached in this question. Any advice is greatly helpful. Thank you
There is no gravel with D=1mm.
So, maybe you are taking about mortar with fine sand (0/1), but never a concrete.
Besides, the concrete section shouldn't be equal to the aggregate Dmax.
Which means that what you are trying to do, is scientifically incoherent, in both it's theorical and practical aspects.
Best t
How do you define this as concrete prism with just as 1 mm dimension? Are your dimensions correctly written by you in your question?
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