Discussion :: Structural Design Specifications - Section 1 (Q.No.1)
|Mahesh Panda said: (May 15, 2014)|
|Concrete area in compression and equivalent area of steel in compression as per modular ratio is called the Equivalent section.
Cracked section is that portion of concrete which in beyond tension steel and is in tension so cracks may develop in this region.
|SARAD MISHRA said: (Nov 19, 2016)|
|I think the answer is equivalent section.|
|Syed said: (Nov 27, 2016)|
|Yes, the answer is equivalent section.|
|Bash said: (Dec 19, 2016)|
|Yes, cracked section protects the concrete.|
|Er. Rawnuk Bhagawan said: (Jan 4, 2017)|
|It should be an equivalent section.|
|Er. Arun Dev Singh said: (Aug 14, 2017)|
|Yes, the right answer is equivalent section.|
|CHANDRAKANTHA said: (Dec 19, 2017)|
|Refer IS 456-2000.
Clause -22.3.1 c.
Option C is correct.
|Sandip said: (Jan 10, 2018)|
|Yes, option C is correct.|
|NAVNEET said: (Apr 3, 2018)|
|Yes, option C is correct. I agree with the given answer.|
|Er. ISHU DEEP said: (Jul 5, 2018)|
|Yes right @Chandrakantha.|
|SUBRAT said: (Jul 21, 2019)|
|Opt C is the correct answer. According to IS code, IS 456:2000 clause no. 22.3.1.C.|
|Zohaib said: (Dec 25, 2019)|
|Transformed area section is right. Transformed area if concrete is equals to modular ratio times area of steel.|
|Umesh said: (Oct 4, 2020)|
|It is according to IS code, clause 22:3:1:c.|
|Sravanthi said: (Dec 6, 2021)|
|Thanks everyone for explaining the answer.|
|Sai Ram Gorati said: (Feb 4, 2022)|
It is based on the assumption that only the steel takes the tension and concrete takes compression.
So in the tension zone i.e, below Neutral Axis Concrete does not take tension therefore it cracks. That's why this section is called as Cracked Section.
In the cracked section (in singly reinforced beams) the total area of the section in terms of the concrete is Area of Concrete in Compression + Area of steel in terms of Concrete.
|Prashant said: (Apr 20, 2022)|
|C is correct. Agree with the given answer.|
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