Dear 186
Please check out the following website for a free circular column design spreadsheet to BS 8110:
http:\\www.technouk.com
It also has links to other good sites.
Best Regards
Angus
Dear Hasanh
Please check the Reinforced Concrete Council's website below:
http://www.rcc-info.org.uk/
They have many spreadsheets for concrete design to BS 8110 and Eurocode 2, including continuous beam design. The spreadsheets used to be free but now there may be a small charge.
Regards
Angus