Civil Engineering/Balcony


Hi Sir;
We want to build the second story in a house based on the plans of the first one and we want to add a (1.5)m overhang slab (Balcony) which wasn't existed in the original plans so I would be thankful If you can list the considerations that should be taken into account IN GENERAL AND REGARDING:
(1).the anchor length (should the slab supported along 2/3L if it's planned to extend 1/3L)
(2).Do I have to include all the spans -from which the slab extended- in my model to get the Reinforcement?

Thanks and Regards.

Dear Firas

1- The anchorage length is a parameter depending on bar size. You can use 40 to 50 times the diameters of bars as the anchorage length. For example if you have 20 mm bars then you should use at least 80 cm of anchorage.

2- No need to include all slabs in model but all slabs in direct vicinity of the slab to be designed shall be modelled.


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Babak Esmailzadeh Hakimi


I can answer questions in Structural Engineering, Earthquake Engineering, Project Management and Project Control topics!


I am experienced in the area of earthquake engineering in electrical power industry, i.e. Lifeline Earthquake Engineering. My focus has been on structural seismic design of power installations. Recently I have got involved in project management in the category of constructional engineering.

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Bs degree in Civil Engineering from Ferdowsi University ,1988, Mashhad Iran, Ms degree in Earthquake Engineering, Sharif University of Technology, 1993, Tehran, Iran

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