I commend your effort to give young engineers quick fix. But please note that the higher you go, the lower the load (as the foundation then the ground floor carries the bulk of the load). So without analysis or design, the size of your columns and area of reinforcements should reduce as you ascend using "rule of thumb".
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what i understand this video guide builder for choosing column size and rebar for typical house construction, which is base on typical normal dead load and live load related to the house, its does't matter how big the house eg; 1000sqft or 2000sqft just follow the column distance and follow the size and rebar, it still safe within that parameter, another word, it easy guide line for diy house build. and i consider u chooses the size of column base on maximum load.
Sir, I have 10"/10" columns with 12' span . Beam size 10"/8" (b/h) + 5" slab . beams are (4+2) of 16mm 4 No's + 12mm 2nos bars. I have gone for 6' cantilever expansion and over it complete cover construction of (6") wall with window & all. At the end of expansion there is a hanging scartain of 30" height ( 4.5" thick). And a balcony of 7'/11' in the middle portion. The building has completed 20 years Gf & 8 years 1st floor. The size of the building is roughly 44 / 47'. Sir will it be safe . please advice.
Sir, we built G+2 and pent house using 9 columns with 6 rods of 12MM each. We built g+1 in 2011, now added slab and pent house slab. column to column max distance is 12 ft. Will it be safer?
It depends on the size of your structure and the various loads acting on it. If it is a high rise building, How strong are the winds there? What is the size of your columns, grade of concrete used and if the site lies in a seismic zone. As per thumb rule, a span of up to 6meters is quite safe and economical for small constructions i.e. up to G+3 storey buildings.
Thanks for the immediate response you have given, your videos are educational as well . Can you please make a video for the step by step installation of FOOTING, COLUMN, & FLINT BEAM ? TYVM
How about for the 7.5m between 2 columns?what should be the size of the column?7.5 because we cant put columns in the middle there is a big door pls guide me
If column size is 10'× 10' and beam size 9'× 12' with 4 reinforcement bars of 12 mm. Is a spacing of 4.5m or 5m between two columns safe? Ground floor with truss.
Never take steel bars of diameter less than 16mm for more than 1 story building. You can have 2 bars of 12mm out of 6 bars column of 9×12 between two bars of 16mm at widest distance side.
If one were to use galvanized steel bars The longevity of the building will increase upto 300 years... Try it... But none of us will live for 300 years.. That is the tragedy
Sir my house is constructing in dehradun(Uttarakhand). We are making ground floor only at present but in future we will make G+1.contractor is using 9×14 column. And 6 steel bar. 4 steel bar of 16mm. And 2 steel bar of 12mm. He is saying by you can easily construct G+3 building with thi structure. And he has given depth of footing 5 feet. With trapizoid footing. And mesh of 4×4.please guide me sir🙏🙏🙏
Sir column size is 4.5"*9" & 6Bars * 12 mm & tie bar is 8mm with distance of 9" is it ok for G+1 storey building pls reply 🙏 Total 6 columns in 340 square feet area is that ok?
Nice ,questions ,but I'm thinking to my knowledge square columns are more realable then those round columns.On another hands it s the rebar that matters as long as you respect the spacing of pour on them.
My contractor has give 25feet distance between two pillars. He has used 9x18 pillar size with 8 pieces of 16mm tmt bars. Beam size is given as 9x24 with 6 pieces of 20mm bars. It is a G+2 residential building. Is it ok ?
Sir, For G+1 we have planned to use 9" * 9" columns with 12MM Tata Tiscon 550SD. Is this safe or will this create problem in future. We don't have any plan to extend this building further. Please respond sir, thank you.
The size and number of steel depends on the computation of how much loads it would carry. You will add a factor for live loads and dead load to your computation of load.
