I learnt raft design from you, Kindly tell me what should I input the subgrade value in support if my sbc is 450kn/m2 and allowable deflection is 50 mm, I'll tell you what I did.. Now if I divide 450 by .05 the value is 9000, since my plates were (.5mx.5m) I multiplied it then the value is 2250 is it correct? Or should I input direct 9000 kindly tell
For Sub-Grade Modulus, Under Create Support - Foundation - You have selected "None" instead of "Compression Only" Why? I think we should select "Compression Only" when we define/assign Sub-Grade Modulus....
That is depends on your assumption on how your footing should behave. Compression only works if you want your footing to behave in compression but if you have uplift and lateral load by doing that you need to have large size of foundation in order to satisfy that assumption of yours. That is why staad put the "none" selection
Best explanation I ever have seen.
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Very Informative....Thanks.....
Thanks
Awasome
Thanking you very much. good job.
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Amazing, Thank you so much sir 🙏
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Good presentation! Keep on.
Thanks
Best explanation
Thanks
BEST VIDEO I'VE EVER SEEN. WILL YOU PLEASE MAKE A VIDEO OF THE SAME WITH RAFT BEAM?
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@@Tinytopic Thank you! Awaiting eagerly.
Superb explanation, dear sir
Thanks
I learnt raft design from you,
Kindly tell me what should I input the subgrade value in support if my sbc is 450kn/m2 and allowable deflection is 50 mm,
I'll tell you what I did..
Now if I divide 450 by .05 the value is 9000, since my plates were (.5mx.5m) I multiplied it then the value is 2250 is it correct? Or should I input direct 9000 kindly tell
SBC * 2.5(FOS)/50(SETTLEMENT)
@@Tinytopic you forget to multiply it to 1000
nice explanation sir, can you make a video on foundation support
when we need to use Elastic mat and Plate mat
As far as I know, there is a video of it. Kindly go through the playlist.
Helpful!
Thanks
best video bro but please tell us how we can take this to staad foundation
There is separate video for that
@@Tinytopic minimum area of steel criteria and punching shear criteria how to check in this
how to check the settlement of 40mm in the raft plate model??
Check displacement in post processing
Best video but how to see reinforcement?
You shall have to calculate it from the moments analysed
Sir rf section is mssing in formula section in my laptop
Tou shall have to buy one
how to generate load combination for rcc design
Load combination shall be same as your whole model.
Can i take reinforcement from this design??
Yes
Can you please elobrate?
How to check punching shear and one way shear in this model?
SQx & SQy will give punching shear value.
How can i add rf section in formula
Can you elaborate??
Hello my doubt is that suppose i have 100 kN/m SBC so what should be my subgrade modulus and how to compare with base pressure?
What shall be factor of safety and permissible settlement??
@@Tinytopic 100/.025=4000 SBC DIVIDE BY SETTELEMENT 0.025DIVIDE
In raft rction sign change is missing when we apply reaction of model to raft we change sign of all reaction
Watch again, in excel sheet it is done with add in
how generate load combinations
By Auto Load Combination
I HAVE NEED PRESSURE 10KN/M2 EXPLATION ONLY DETAIL APPICATION
Can you elaborate??
Can you please share excel sheet
Whatsapp me on my number. You can get it from about section of channel.
For Sub-Grade Modulus, Under Create Support - Foundation - You have selected "None" instead of "Compression Only" Why? I think we should select "Compression Only" when we define/assign Sub-Grade Modulus....
Yes, you can use that too.
That is depends on your assumption on how your footing should behave. Compression only works if you want your footing to behave in compression but if you have uplift and lateral load by doing that you need to have large size of foundation in order to satisfy that assumption of yours. That is why staad put the "none" selection
@@johnneil1313 please elaborate a little more.
Sure
Sqx and Sqy are one way shear and not punching shear
Okay
@@Tinytopic what is LFR ?? Please tell
Its an add-in. You can read about it in description.
@@Tinytopic please say telegram id... I am from structures group we already chatted long back
@@Tinytopic
Purpose