As(-) on beams with ideCAD Static shear: Insufficient reinforcement

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akadirgülmez

New Member
Hello Civil Eng. I am a senior student, I am using the idecad static 8 (demo) program in my graduation project, I get a KAs(-) error on beams that connect with shear walls. Normally, when the same error occurs on beams joining the column at both ends, I have solved the problem by increasing the cross section or by tightening the stirrup, but one end of the column is the other end. I can't fix this error in the beams intersecting the curtain. I've looked at similar topics in the forum, but I couldn't come to a conclusion. I'm waiting for your help, thanks in advance.
 
Re: In beams with idecad static curtain As(-) : Insufficient frost If you attach the project file, forum participants will have the opportunity to submit their suggestions.
 
Re: In beams with idecad static curtains As(-) : Insufficient frost First of all, I was getting KAS- error on beams intersecting with curtain wall. Increasing the cross-section did not provide a solution, I did not encounter the same error in column beam intersections. I fixed the problem in the beams by making the stirrup diameter Q12, but this did not seem right to me?? Is there a different solution? I also get an error on the curtains. Increasing the reinforcement diameter does not provide a solution for some curtains. For example, instead of making 25/200 carrier curtains, making 25/200 columns is a solution or is it a correct approach? In the attached file, I provide a solution by increasing the horizontal reinforcements in the basement curtains, but the same method does not work on the carrier curtains? Because the file size is large, I uploaded it via wetransfer. (the project was prepared in demo version) [url=https://www.wetransfer.com/downloads/7ff4b094cebc4a6754c30a3050fbf68b20160504073310/b5f6abf12bfadac1f07bc0e254db0b9b20160504073310/af3awe12/https310 thank you for your help ...
 
Re: In beams with idecad static curtains As(-) : Insufficient frost
"akadirgülmez":1x900prf" said:
first of all, what I wanted to learn was KAS- error on beams intersecting with curtain wall. Increasing the cross-section did not provide a solution, same error I did not come across it at the intersections of beams and columns.
Click to expand...
It is normal for the end forces and accordingly the shear forces to change when the beam is attached to the column or to the wall. Also see Tdy 2007 articles 3.4.5.1 and 3.5.4.2 on the subject.
"akadirgülmez" :1x900prf" said:
I fixed the problem in the beams by making the stirrup diameter Q12, but this did not seem right to me??Is there a different solution?
Click to expand...
In the Beam Cutting Safety control, Tdy item 3.5.2 According to Equation 3.10, two conditions must be met. (kiriş_kesme.png)
"akadirgülmez":1x900prf" said:
also I get an error on curtains, increasing the reinforcement diameter does not provide a solution for some curtains, for example, is it a solution or a right approach to make 25/200 columns instead of 25/200 carrier curtains? In the attached file, I provide a solution by increasing the horizontal reinforcements in the basement curtains, but the same method does not work on the load-bearing curtains, too?
Click to expand...
Check the Tdy 2007 article 3.6.6.3 and related articles and the picture of curtain_shear.png about the shear force control. and determinations: *The value (d1) is entered for the rigid arm distance of the K13 beam. The program automatically calculates this value, if a different value will not be used, this value should be left as zero. *There are perimeter curtains on the 1st basement floor. Consider solid rigid. *Analysis settings are in the Tdy Options tab. Analysis option can be evaluated without ticking the line "Apply Tdy 2007 2.5.2.3, 2.8.5,3.5.2 ductile construction materials to rigid basement" *Assuming semi-rigid diaphragm e analysis method can be considered as an option. Good work
 
Re: In beams with idecad static curtains As(-) : Insufficient frost thanks I will continue my work taking into account your help ...
 
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