Designing reinforced concrete beam with 8.2m span, C30 concrete, high yield steel

[thebest99]

a beam with an effective span of 8.2m is required to carry uniformly disributed loading of gk = 12 kNm-1(in additon to its own self weight) and qk = 10kNm-1.

design a suiable reinforced concrete beam using strength class C30 concrete and high yield reinforcement

could someone check my working forthe following question
thank you

 

[pongo38]

Looks good, but would be more professional if you were consistent. For example, following span/depth = ... 20.6, the next line should be ...15 <20.6 therefore OK; and you have made this all important comparison elsewhere. Also you should now sketch the cross-section more or less to scale to show how the 25 bars are arranged in the 8 mm links, and demonstrate that there is enough room to get the concrete through the bars.