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Turkish We are getting such an error in our project. What could be the solution method?
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"Total Nd in X,Y direction is greater than 0.45* total Nk" problem
- Thread starter zekaikc
- Start date
Re: " Total Nd in X,Y direction is greater than 0.45* total Nk" question Hello My suggestions; I fixed the project rigidly and V7.22 solved no problem, V7.22 semi-rigid solution gives an error even if the mode number is 100, I solved it with V8.62 semi-rigid RİTZ. If you want to see the results, you will see it in the demo program. Attached is the V7.22 rigid solution and the V8.62 semi-rigid RITZ solution. Please review. Ünver ÖZCAN
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Re: " Total Nd in X,Y direction is greater than 0.45* total Nk" question Hello, Thank you for your attention. I'm using version 7.022 too. What exactly do you mean by rigidly correcting? I noticed that the "slab analysis and reinforced concrete design" tab in the analysis settings was unchecked. If you have time, briefly explain what the difference between this solution and the other solution is, I would learn. Thank you good work.
Re: " Total Nd in X,Y direction is greater than 0.45* total Nk" question Check out the video. What is Flexible, Semi-Rigid and Rigid Diaphragm (Video)
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HakanŞahin
Administrator
Re: " Total Nd in X,Y direction is greater than 0.45* total Nk" question
"zekaikc":1lv55un6" said:We get such an error in our project. What could be the solution method? [/quote ] Hello, In your project, the ends of TK64, Tk65,TK21, TK22, TK812, TK813 continuous foundations appear to be free. The continuous foundations defined as free-end can be seen from the report. Fix the connections of these foundations. Since you are making a solution together with the structure-foundation, the unsupported continuous foundations affect the vertical loads of the column, some It works upwards in vertical loading on the columns, which causes the total (Nk) value to be negative. After correcting the continuous foundation connections, make the width of the foundations on 1 axis 100 cm instead of 80. There will be no problem. In addition, in your structure, 5 rigid diaphragms (structure ) and rigid basement walls are partially present at some edges, in some rigid diaphragms (structures). has. 1 and 2 have only the upper edges. In the analysis settings, you have accepted that there is a rigid floor in the x direction, you have accepted that there is no rigid floor in the y direction. The rigid floor definition in the analysis settings will be valid for the whole project. However, for 5 rigid diaphragms, 5 different rigid floors must be assumed. Therefore, either enter the rigid diaphragms as separate projects or do not define rigid floors as they are partial curtains (give -2 in the x and y directions). In the attached project, the problem of "total Nd in X,Y direction is greater than 0.45* total Nk" has been fixed. Works done: 1. Connections of continuous foundations with free ends were fixed. 2. Continuous foundations on axis 1 are defined as 100 cm wide instead of 80. 3. The rigid basement floor number is given as -2 in the x and y directions.You do not have permission to view link Log in or register now.