shifted column on retaining wall

[me1205377]

Greetings,  please advice on the following case 

i have a retaining wall that carry a column  starting from ground floor , the column is shifted 5 cm from the centre of the wall and i want to make this in my model.

 so is this is the best way to model it ?  or should i make the column start from the bottom of the retaining wall? is a one rigid link between 2 nodes is enough to mimic the real case or more rigid links are needed ?

Also regarding the design is it possible to design this retaining wall in robot 

your suggestions are highly appreciated 

[Artur.Kosakowski]

Hi @me1205377

IMHO the best way to model the offset is to use rigid links. Unless your retaining wall is just a wall of a building being under the ground level so that it boundary conditions are a foundation at its bottom and a slab at its top modelling it in a general FEM program will be tricky as you relay on the equilibrium of forces to secure the wall stability rather than supports.

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[me1205377]

the top slab is not resting on soil, it the ceiling of the basement behind the indicated retaining wall  

i am sorry  i couldn't  understand the situation you described

i made the offset with one rigid link.  i added a node to the retaining wall top side and made it the master node, the slave node was the column bottom node , all degrees of freedom are locked is this enough ?

also regarding the design of such wall, is it possible in robot 

[Artur.Kosakowski]

Hi @me1205377

Could you attach the cross section through the wall so that I could better understand the situation?

[me1205377]

[Artur.Kosakowski · Accepted solution]

Hi @me1205377

IMHO you can design this wall in RSA as it is more a basement wall rather than a retaining wall. For calculations of reinforcement I'd use RC Slab approach (for you have out of the plane bending) as explained during the 5th Robot webinar. I think that the definition of the rigid link as you described it is fine. 

If you find your post answered press the Accept as Solution button please. This will help other users to find solutions much faster. Thank you.

[me1205377]

just for my info what is the difference between a basement wall and a retaining wall 

for the :basement wall"  i will define it as a   panel not a wall with shell calculation model correct ? 

[Artur.Kosakowski · Accepted solution]

Hi @me1205377

just for my info what is the difference between a basement wall and a retaining wall 

for the :basement wall"  i will define it as a   panel not a wall with shell calculation model correct ? 

Correct.

If you find your post answered press the Accept as Solution button please. This will help other users to find solutions much faster. Thank you.