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CALCULATION REBUR AREA OF PLATE MANUALLY IN STAAD PRO

 
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uct
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Joined: 16 Sep 2011
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PostPosted: Sat Oct 28, 2017 6:17 pm    Post subject: CALCULATION REBUR AREA OF PLATE MANUALLY IN STAAD PRO Reply with quote

May you please help me to fınd solution on my these questıons below..
1-May plate parallel to glbal XY direction in STAAD PRO...ı want to design my plate elements manually...for that ı need to find rebur area along global X and Y direction...which moment should ı use to calculate rebur area? (Local Mx,My,or Global Mx,MY)?
2-Same plate should be checked for shear (for thickness)...for that should ı take SQX local or SQY local?

thanks so mch for your kindly helps...
regards..
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mainak.mallik
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PostPosted: Sun Oct 29, 2017 3:15 am    Post subject: Re: CALCULATION REBUR AREA OF PLATE MANUALLY IN STAAD PRO Reply with quote

[quote="uct"]
May you please help me to fınd solution on my these questıons below..
1-May plate parallel to glbal XY direction in STAAD PRO...ı want to design my plate elements manually...for that ı need to find rebur area along global X and Y direction...which moment should ı use to calculate rebur area? (Local Mx,My,or Global Mx,MY)?
2-Same plate should be checked for shear (for thickness)...for that should ı take SQX local or SQY local?

thanks so mch for your kindly helps...
regards..
Plate should be checked against local output only.
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uct
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Joined: 16 Sep 2011
Posts: 10

PostPosted: Sun Oct 29, 2017 3:05 pm    Post subject: plate rebur direction Reply with quote

please make it cleare...if ı want to calculate area of rebur that paralellel to  local x axis should take Mx local moment,same way to calculate amount of rebur parallel to local Y axis should ı have local My moment to calculate?
pleass very urgently needed...
thanks
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sukanta.adhikari
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PostPosted: Mon Oct 30, 2017 4:42 am    Post subject: Re: CALCULATION REBUR AREA OF PLATE MANUALLY IN STAAD PRO Reply with quote

Dear sir,

You can use local moments Mx,My ,Mxy for the design of plate element.
Global element can be used where you have a plan of circular geometry.like circular foundation..wherein you will be providing reinforcement in tangential and radial direction.

In staad for plates along X direction is Mx and along Y is My ..which is reverse for members and nodes.

Difference of opinion in welcome.


Regards
S Adhikari



uct wrote:
May you please help me to fınd solution on my these questıons below..
1-May plate parallel to glbal XY direction in STAAD PRO...ı want to design my plate elements manually...for that ı need to find rebur area along global X and Y direction...which moment should ı use to calculate rebur area? (Local Mx,My,or Global Mx,MY)?
2-Same plate should be checked for shear (for thickness)...for that should ı take SQX local or SQY local?

thanks so mch for your kindly helps...
regards..
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uct
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Joined: 16 Sep 2011
Posts: 10

PostPosted: Mon Oct 30, 2017 6:08 am    Post subject: rebar area of plate elements.. Reply with quote

dear sukanta.adhikari,
thanks for your reply...ı am now cleared about that which is Mx local moment provide me rebar area parallel to local X axis and My local moment providng me rebar area parallel to local Y axis
please let me know which parameters to use to check the thickness of plate SQX, SQY,Sx,Sy?....
thanks for your kind helps

Note:please be aware that all my questions are about plates that are vertical or horizontal...like shear wall and plate defined as a plate...ıf the answer comprise for both so no problem....!!!
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sukanta.adhikari
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PostPosted: Mon Oct 30, 2017 7:07 am    Post subject: Re: rebar area of plate elements.. Reply with quote

Dear sir,

Please go through the earlier discussion in the forum,You will certainly find the answer.I myself have posted an excel sheet on the subject..but the irony is that out of so many post I am not able to locate it.Certainly there are other excel sheet and explanation the the subject,please search the forum

Regards's
S Adhikari



uct wrote:
dear sukanta.adhikari,
thanks for your reply...ı am now cleared about that which is Mx local moment provide me rebar area parallel to local X axis and My local moment providng me rebar area parallel to local Y axis
please let me know which parameters to use to check the thickness of plate SQX, SQY,Sx,Sy?....
thanks for your kind helps

Note:please be aware that all my questions are about plates that are vertical or horizontal...like shear wall and plate defined as a plate...ıf the answer comprise for both so no problem....!!!
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uct
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Joined: 16 Sep 2011
Posts: 10

PostPosted: Mon Oct 30, 2017 8:33 am    Post subject: rebar area of plate elements.. Reply with quote

Dear Sir,
i have searched for excell sheet  throughout the forum but not find..
ı am totally confused...becouse results from plate stress icon in main vindow of staad for Mx and My loacal moment are very differen from the results that we get from pull down REPORT-PLATE RESULT-PLATE STRESS results.

so please make it cleare, is output we get from REPORT-PLATE RESULT-PLATE STRESS are calculated according to GLOBAL AXIS?
THANKS...
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sukanta.adhikari
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PostPosted: Mon Oct 30, 2017 9:14 am    Post subject: Re: rebar area of plate elements.. Reply with quote

Dear sir

Please follow this link .Your doubt will get clear

https://communities.bentley.com/products/ram-staad/w/structural_analysis_and_design__wiki/32092/global-moments-in-plates

Consider a circular footing or  a plate element rotated by an angle.For plates, local X and local Y will be along the direction of plate,even if  it is inclined.Now if we are providing reinforcement in tangential direction local moment needs to be calculated.But if we are providing reinforcement in orthogonal direction then it will be the global moment.


Hope this helps.

Regards
S Adhikari






uct wrote:
Dear Sir,
i have searched for excell sheet  throughout the forum but not find..
ı am totally confused...becouse results from plate stress icon in main vindow of staad for Mx and My loacal moment are very differen from the results that we get from pull down REPORT-PLATE RESULT-PLATE STRESS results.

so please make it cleare, is output we get from REPORT-PLATE RESULT-PLATE STRESS are calculated according to GLOBAL AXIS?
THANKS...
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