Structure-independent solution of the ladder.

[selamitas]

Hello guys, I need your help on something. In İdecad, the ladder loads do not affect the structure in the option of solving the ladder independently from the structure, but as a result, I do not understand how a three-storey building will stand without being attached to a place. I would appreciate it if you could explain the working logic of this.

 

[unver]

Hello. Enter the ladder by describing the support conditions of the ladder to the Mold Pilan. Solve your structure as a semi-digit diaphragm. Stair loads are taken automatically. Unver ÖZCAN

 

[selamitas]

Hi, enter the ladder by describing the support conditions of the ladder to the Mold Pilan. Solve your structure as a semi-digit diaphragm. Ladder loads are taken automatically. Unver ÖZCAN

Unver, I solved it independently of the structure, but ladder analysis As a result, I realized that the stair landing reinforcements did not pass to the panel and flooring. Wouldn't a stair connection system cause trouble for us in this way. I do not understand whether we will fix this donato situation separately after the analysis, but I want to solve the construction fully rigid, I just do not solve my whole construction semi-rigid to solve the staircase separately from the structure. I have uploaded the pictures, if you can help me, I would be very happy. I analyzed the structure together with the support conditions. I showed the floor area to the panel and the floor area to the floor, but the reinforcement details still did not change, like a landing that is not connected to the panel, or solve it like a stair landing that has no connection with a beam. I would be very grateful if you could help me, regards

 

[unver]

Hello -- If you want to solve your structure as fully rigid: you should solve the ladder separately and give it add load wherever you will support the support reactions of the ladder. --This is how the ladder comes out in the drawing. Your calculation-drawing is correct. In the supported places (like this in this version, we hope it will be fixed in the new version). --MUST CHECK AND EDIT THE DRAWING OF THE STAIRS. Take it easy, Ünver ÖZCAN

 

[selamitas]

Hi -- If you want to solve your structure as fully rigid: you should solve the ladder separately and add load to the support reactions of the ladder where you want to support it. --The ladder looks like this in the drawing. -the drawing is correct. In the supported places (this is the case in this version, we hope it will improve in the new version) you should fix the reinforcements by manually passing them to the other side.--CONDITIONALLY CHECK AND EDIT THE DRAWING OF THE STAIRS. Take it easy, Ünver ÖZCAN

very Thank you, Unver, I have one more question for you. I think it would be healthier to solve the structure fully rigid, is it better to solve it semi-rigid, now I think I can not solve the construction fully rigid and affect the stair loads separately, because the landing sits in the middle of the panel, if I try to define a load on the panel, I will define it from the top and also in the picture As a result of the analysis, it seems that there is no moment. Is this normal? Don't worry, I'm new in project design..

 

[selamitas]

landing loads monet show zero

 

[unver]

Everything about stairs; You can access detailed information about the stair status by examining the help menu, --stair calculations, --stairs report, by pressing --F1 from the 3-D Perspective window (states of moment, shear, reinforcement, displacement... Unver ÖZCAN

 

[Levent Özpak]

shelf loads monet shows zero

The support conditions of the ladder in the picture you attached to the message are not specified according to the structure-independent solution conditions.

 

[selamitas]

Everything about stairs; --3D Perspective window (states of moment, shear, reinforcement, displacement....) --Help menu by pressing F1, --stair calculations, --Ladder You can get detailed information about the status of the stairs by examining the report, Ünver ÖZCAN

Ünver, I did as you said and had it analyzed, but again, there was no moment in the staircase, do you think there is a problem here, I am posting the reinforced concrete design picture, the results are like thisee

 

[selamitas]

shelf loads monet shows zero

The support conditions of the ladder in the picture you attached to the message are not specified according to the structure-independent solution conditions.

Thank you very much Mr. Levent, you answered my question, but can you help me about how I will solve it in a fully rigid diaphragm and transfer the loads and moments to the panels and floors, regardless of the structure. Or if I solve it together with the structure, do we not get the correct result. Also, when I choose the support option at the bottom instead of the solve option independently of the structure and have a solution, the moments are zero again. this is my way of making

 

[Levent Özpak]

slope loads monet shows zero

The ladder in the picture you attached to the message is supported according to the structure-independent solution conditions

Thank you very much, Mr. Levent, you answered my question, but regardless of the structure, I will solve it in a fully rigid diaphragm and how can I transfer the loads to the panels and floors, can you help me on that issue

As Ünver Bey said, when the solution is made independent of the structure Incoming loads can be calculated and entered as additional loads on related elements.You can get information about how to define loads on columns, beams and panels from the link below.

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[selamitas]

Mr. Levent, I will load it that way, but my landing is connecting with the panel from the middle of the panel, I can throw the load from the top point, is there any harm in that, and how can I throw the moments? I'm sorry I may have bored you a bit.