Underground Water Tank design using ACI code

  Рет қаралды 20,500

Dr. Saleema Panda

Dr. Saleema Panda

Күн бұрын

Пікірлер: 36
@abdurrasheed148
@abdurrasheed148 Жыл бұрын
At 2:12 2.65+.15 should be 2.8m, not 2.68. Thanks for the effort. Also, I was curious why u have used 2.8 for max bending moment calculation 9:18 , and then 2.68 for the weight of the walls 15:24 and weight of the soil projection 16:05 .
@kcince6372
@kcince6372 3 жыл бұрын
Nice Dr. Saleema ..thanks
@tomtree2336
@tomtree2336 3 жыл бұрын
Very good video Dr. Saleema. I was wondering if you could please do the same example for a larger tank that has columns and beams, i.e. size 170m x 110m x 8m deep with water table 5m above base slab. STAAD Pro demonstration will be greatly appreciated, using ACI codes please. Thanks and best regards
@haythamibraheem8323
@haythamibraheem8323 3 жыл бұрын
Dear Dr. Saleema.. I believe we should not use the equation of (fs=Ma/(As(d-a/2)) to get steel stress, since the equivalent neutral axis depth (a) corresponds to the strength level loads not the service level loads. May be we use the 0.6fy value. otherwise, fs=Ma*yc/I where yc is the transformed section neutral axis depth. & I is cracked section inertia
@kyawaung4305
@kyawaung4305 3 жыл бұрын
Why don't think water weight for base slab? Pls. could you explain details
@edysandoval9256
@edysandoval9256 2 жыл бұрын
Please do an example step by step of and underground rectangular tank with a slab on the top that resist a vehicle load, using the ACI code. And how to do it with PCA Code. Thanks
@alexignacioandrade4586
@alexignacioandrade4586 3 жыл бұрын
excellent job miss, thank you
@jamiubamidele
@jamiubamidele 2 жыл бұрын
Why is the roof slab live load this small considering the tank is underground with unrestricted access by people and equipment? The chosen figure appears applicable to overhead tank.
@مكتفيبذاتيمكتفيبذاتي-ش8ق
@مكتفيبذاتيمكتفيبذاتي-ش8ق 3 жыл бұрын
You amazing ...thank you very much Dr.saleema
@jamiubamidele
@jamiubamidele 2 жыл бұрын
In the uplift force calculation why is the h ingthe given formula taken to be the tank side wall height??
@BARTLANTV
@BARTLANTV 2 жыл бұрын
How about the sloshing effect of water exerted against the wall during ground shaking?
@nik2kol614
@nik2kol614 4 жыл бұрын
do u have idea how to design swimming pool by ACI ????
@assdyousaf7257
@assdyousaf7257 3 жыл бұрын
Respected Dr. Why there is no evidence of shear / thickness of wall checking in your calculations ??
@TamphamQuan
@TamphamQuan Жыл бұрын
Hi! can you please share the document of the youtube instruction. Thank you
@gemotorres3
@gemotorres3 2 жыл бұрын
I think there is a typo fixed at the beginning but used later, the H=2.65+0.15 =2.80m, but typed as 2.68m, and then used later as 2.68m.. Or I am missing something?
@longbasket23
@longbasket23 11 ай бұрын
13:03 fs calculated is 118.53, why is it became 114.16 during substitution?
@aravindhanvinayagam2430
@aravindhanvinayagam2430 2 жыл бұрын
Mam, can you upload the video for seismic impacts on ug tanks
@billyjoebreakfast5922
@billyjoebreakfast5922 4 жыл бұрын
Good day!, Thanks, Dr. Saleema for your efforts and granting my request. However, based on the presentation the seismic effect did not consider or since this is below ground level seismic effect is minimal?
@SaleemaPanda1990
@SaleemaPanda1990 4 жыл бұрын
We can not predict like that. We have to analyze for the same. I can add a video on seismic analysis of water tank.
@shebinmohammedbasheer3457
@shebinmohammedbasheer3457 3 жыл бұрын
after reaching As value in mm2 , how you are concluding to min steel (0.003) is enough? Pl reply
@kirkgulle254
@kirkgulle254 Жыл бұрын
where is the 34.375 come from? in 15:32
@nargiskhan7610
@nargiskhan7610 2 жыл бұрын
Madam please design an underground r c c water tank of 5000 litres capacity of rectangular shape.
@traderbareng3687
@traderbareng3687 4 жыл бұрын
hi there ... i want to try ,, make design of graoundtank with 98000 liter of water ... do you have any sugetion of concrete ticknes and steel bar dimenson .. .. i applogize if i bother you.. but i still confus for your explantion ..thank you
@SaleemaPanda1990
@SaleemaPanda1990 4 жыл бұрын
You can guess the thickness at start and then check if crack width is within permissible else increases your thickness.
@SaleemaPanda1990
@SaleemaPanda1990 4 жыл бұрын
It's better to have lesser dimension steel bar- then for same amount of steel required, you have more number of bars with less spacing which is good to control shrinkage and cracks.
@traderbareng3687
@traderbareng3687 4 жыл бұрын
@@SaleemaPanda1990 i use 13 mm and 8 mm with 20 cm bar distance .. and total dimension tickness of bottom concrete 25 cm with lenght 8.5 x 8,5 m.mor bigger then top plat and. high 2m meaning 7x7x2 = 98 m3 sorry for my bad english .. thank you
@traderbareng3687
@traderbareng3687 4 жыл бұрын
@@SaleemaPanda1990 i will try to know your expalination video to night .and i try to get it
@joseantonioalarconleon3382
@joseantonioalarconleon3382 3 жыл бұрын
​@@SaleemaPanda1990 I've seen load factors as Sanitation Coefficient in the ACI 350 Chapter 9, I think that the demand must multiplied by this factor.
@shebinmohammedbasheer3457
@shebinmohammedbasheer3457 3 жыл бұрын
Is it mandatory to include side projections?
@bisanopait9790
@bisanopait9790 7 ай бұрын
No only when the uplift force is greater than the downward force acting on the base of the tank.
@الفنانالحقيقي
@الفنانالحقيقي 2 жыл бұрын
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