Links between two vertical xlam shells - a problem of offset
Links between two vertical xlam shells - a problem of offset
(OP)
Hello,
I've to model an xlam wall. This one is divided into two walls: first plane wall (2.95 m) and second plane wall (2.95 m). These walls are connected with non linear multiplastic link (hold downs and angle brackets). There is a problem: when I draw the wall above, Sap2000 merges this one with the wall below and so I cannot insert links. How can I divide 2 walls? How can I insert links between them in such a way as to restore the congruence? I attach an image to to better explain the problem.
I've to model an xlam wall. This one is divided into two walls: first plane wall (2.95 m) and second plane wall (2.95 m). These walls are connected with non linear multiplastic link (hold downs and angle brackets). There is a problem: when I draw the wall above, Sap2000 merges this one with the wall below and so I cannot insert links. How can I divide 2 walls? How can I insert links between them in such a way as to restore the congruence? I attach an image to to better explain the problem.





RE: Links between two vertical xlam shells - a problem of offset
You need to check that the gap you've specified is larger than the auto merge tolerance.
You could try selecting only the top half of the shells only (without the nodes at the intersection) and move it away from the other half (Cltrl+m).
Btw, are you planning on using a 1 joint link or a 2 joint link to connect your walls?
RE: Links between two vertical xlam shells - a problem of offset
RE: Links between two vertical xlam shells - a problem of offset
The only effect is the bending at the ends of the link due to (shear*length of link).
See https://wiki.csiamerica.com/display/kb/Link+FAQ#Li...?
RE: Links between two vertical xlam shells - a problem of offset
RE: Links between two vertical xlam shells - a problem of offset
I'm not too familiar with friction isolators but since F=coefficient of friction*normal force, the link axial (U1) stiffness is required to calculate the normal force. In this case the U1 stiffness should be non-linear such that you have a gap for positive deformation and the compression stiffness for negative deformation.
RE: Links between two vertical xlam shells - a problem of offset
I've never modeled these types of walls, but is modeling with NL links "overkill" for this application?
RE: Links between two vertical xlam shells - a problem of offset