CSI SAFE - 22 Strap Foundation
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- เผยแพร่เมื่อ 30 มิ.ย. 2019
- A strap footing is a component of a building's foundation. It is a type of combined footing, consisting of two or more column footings connected by a concrete beam.
A strap footing is often used in conjunction with columns that are located along a building’s property or lot line. Typically, columns are centered on column footings, but in conditions where columns are located directly adjacent to the property line, the column footings may be offset so that they do not encroach onto the adjacent property. This results in an eccentric load on a portion of the footing, causing it to tilt to one side. The strap beam restrains the tendency of the footing to overturn by connecting it to nearby footings.
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Really Appreciate your Series of videos on different softwares. Nice job dear
Thank you. I wonder if it´s wrong to include a linear subgrade modulus in the beams in edge column case.
Excellent... expecting more videos . Thank you engineer .
Welcome
Here is the full course link on CSI SAFE
th-cam.com/play/PL0h14oMuZXQ6l-O7aqF0hYsZbyJ7eFt1H.html
Thank you kind sir!
I appreciate your efforts...But I want to clarify one big doubt ....As per the codes it is recommended to provided only one layer i.e bottom layer of reinforcement ...Experts say that the upper layer of reinforcement don't contribute in further increasing flexural capacity ...Also considering the economical side ...I just want to provide the reinforcement as bottom mesh for the eccentric or edge footing ...Could you please suggest how to deal with this situation .......
Amazing. Tuned in from Kenya
Thanks
Excelente video, explicacion muy clara, gracias ingeniero
Thanks....
If we don't check the punching, how do we determine the depth of footing? Can you please elaborate??
Thank you, Bro!
Welcome
Sir, In foundation design why consider only service load combination not ultimate factored load combination. in load combination what should check using ultimate load combination. From Etabs should we take only dead and live load why not seismic load effect. pls sir.
PLS MAY I GET CLARIFICATION ABOUT K SPRING COMPUTATION. BECAUSE WE USUALLY COMPUTE IT BY THIS FORMULA ( ALLOWABLE B.C*120 -AS SI UNITS )
EX: IF ALLOWABLE BC =200KN/M3 THE K =200*120=24000 KN/M3) IS THIS PROCEDURE CORRECT OR NO
I got your question.... That is also one method...
Here is the full course link on CSI SAFE
th-cam.com/play/PL0h14oMuZXQ6l-O7aqF0hYsZbyJ7eFt1H.html
and here is the lecture, where i have discussed about both method... Basic and Bowl's Approach method
Link: th-cam.com/video/NDfeQt8x4VY/w-d-xo.html
what if it the column is eccentic on both x and y direction i mean the column is on the corner edge of the property line. is it possible to design the whole perimeter strap beam due to the lot is small and need all column to be on the edge of property line. thanks
Yes it is possible
While Applying the column load, Should we use factored load or unfactored load?? help plz.
Unfactored loads.....
And bearing pressure... Use Allowable bearing pressure
@@civilmdc while in manual calculation of raft foudation, stress on soil, sigma (6)= P/A + Mx/Iy + My/Iy, which load should we use, P, Mx, My factored or unfactored???? plz help
Bro! You're from which country (If you don't mind)?
No issue... from Pakistan
@@civilmdc am also from Pak...Thanks anyways...Bro
When I check Punching Shear it says "N/C" not calculated. Please help
Software will never calculate punching shear for strap foundation (A foundation connected with beam).
Because beam will restrict the punching... it will restrict the punching of foundation......
For Example: If you have slab and columns only (Means with no beam), then there is a chance of punching shear,...........
But if you have slab with beams and columns... there is almost no chance of punching.
I hope this will clear your question.
How can i design these kind of footing in safe if i done the analysis of the building in etabs?
Here is the full course link on CSI SAFE
th-cam.com/play/PL0h14oMuZXQ6l-O7aqF0hYsZbyJ7eFt1H.html
@@civilmdc Thanks
One thing, i have done analysis and design of a 6 storied building in etabs. Now i have to design foundation. So how can i design the foundation of the building in SAFE from ETABS file that's i wanted to know. I have seen the playlist you shared and i don't understand which one is needed me. I am in shorting time. It will be very helpful if you please specify the link of the tutorial.
@@md.ashrafulalam4732 CSI SAFE 20 AND 21 Lecture
@@civilmdc May Allah bless you.
why have the punching shear design not checked needed some clue??
I have watched the video again.
I forgot to check the punching shear check...
It is simple to check shear check..... And you have to Must check the punching shear check....
For that.. Go to display and select.. Punching Shear check...
You will see the details of punching shear check.
I have watched the video again.
I forgot to check the punching shear check...
It is simple to check shear check..... And you have to Must check the punching shear check....
For that.. Go to display and select.. Punching Shear check...
You will see the details of punching shear check.
If you still face any issue please let me know
@@civilmdc can i get to know if the N/C comes after checking the punching shear. Even after changing the footing thickness the punching shear did not come less than 1.
how can we make it less than 1 .
any suggestion or further video would be fruitful for all the viewers.
@@roshansharma1655 n/c means punching shear is not calculated because beams prevent slabs from punching.
What about shear reinforcement in beam.
You can also check.
@@civilmdc where ?? Pls help
@@shaheershafat4599 display, go to show beam design...
@@civilmdc Display type to transverse rebar?
@@shaheershafat4599 Yes
Dear friend please share Pilecap design. Thank you
Sure I will share pile cap design in CSI SAFE.
@
Borhan-ul hasan CSI SAFE - 23 Pile Cap design Link th-cam.com/video/imznVQh5QXQ/w-d-xo.html
I have uploaded the pile cap design video.
@@civilmdc Thank you brother.May ALLAH bless you .
@@borhan-ulhasan7965 Ameen... You too.