Discussion :: RCC Structures Design - Section 1 (Q.No.4)
The minimum number of main steel bars provided in R.C.C.
Answer: Option D
No answer description available for this question.
|Nikhil said: (Jul 30, 2013)|
|Each corner one main longitudinal steel bar has to be arranged.|
|Ashok said: (Aug 13, 2013)|
|According to this shape member each corner has one main longitudinal steel bar to be arranged.|
|Kanhaiya Lal said: (Dec 3, 2013)|
|In Column reversal of bending moment may be occurred, hence, to column are reinforced on both faces. To fulfill the reversal condition of BM minimum no of bars in rectangular is taken as 4, in circular 6 and in octagon 8.|
|Md.Hussain said: (Mar 23, 2014)|
|In column there is a buckling moment due to the up coming load so at each corner there should be a longitudinal main steel bar is provided.|
|India said: (May 7, 2014)|
|But In case of circular column, why only 6 nos of bars provided? Why not 4 or 5? Can anyone clarify?|
|Qammar Qureshi said: (Dec 6, 2014)|
|Min. 4 bars in rectangular/square column and min. 6 bars in circular shape column.
The bar shall not be less than 12mm. The nominal cover shall any case not be less than 40mm.
In our site they provided 40mm cover. Min. Distance b/w individual bars -the dia of larger bar -5mm more.
Nominal max. Size of coarse aggregate.
|Arun said: (Mar 22, 2015)|
|What is the Max diameter used for the longitudinal bars?|
|Rohit Nagarwal said: (Jul 29, 2015)|
|Why use circular shape bar why not use other shape bar?|
|Samba said: (Sep 26, 2015)|
Max diameter used in longitudinal bars depends upon size of the beam.
|Samba said: (Sep 26, 2015)|
|India 4 & 5 bars used the column spacing can more than 300 mm so the column concrete will be out side in column. Next the strength will be reduce.|
|Sajid Rasheed said: (Feb 15, 2016)|
|What will the arrangement of steel in RCC?|
|Amit Sarwa said: (Mar 14, 2016)|
|I want to know that 900 mm diameter circular column is sufficient of how many bar and diameter of bar.|
|Mohammed said: (Mar 30, 2016)|
|Why always the number of steel bar are in even number?
Not in odd number like 5 bars 7 bars.
While we can but the extra bars in the tension zone.
|Sukanta Das said: (Nov 26, 2016)|
|What is the minimum diameter used for the longitudinal bars?|
|Shambhoo Kant Jha said: (Feb 16, 2017)|
|Minimum diameter for longitudinal bars are 12 mm. It is circular as for given volume, surface area is maximum. Hence more surface area for bond with concrete. In circular, it is 6 bars as it can be compared with hexagonal and 1 bar supposed in each corner for proper placing of lateral ties.|
|Madhavan said: (Jul 11, 2017)|
|I want to know the min bar size.|
|Ashok said: (Jul 31, 2017)|
|What is the minimum dia of bar used as a surface reinforcement?|
|Anuj said: (Sep 16, 2017)|
|How many number of minimum main bars provided in a RCC beam?
Anawer me please.
|Kiran C said: (Jan 6, 2018)|
|4 number of bars.|
|Sameer Sopori said: (Jan 10, 2019)|
For circular column you can not use 4 bars, For Circular column, you need minimum 6 bar.
And for Rectangular shape of the column, you can use 4 bars minimum.
|Shubham Arbat said: (Aug 3, 2019)|
|The minimum vertical space of the main reinforcement in RCC beam is the diameter of the larger bar or two-third the nominal maximum size of coarse aggregate.|
|Rajendra D said: (Dec 15, 2020)|
|It is mentioned in IS 456:2000, clause 126.96.36.199 (c and e).|
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