Posted: Sun 12:37 pm Post subject: Depth Of Post Tensioned Beam Papers,But Any IS code For This is not in My Knowledge. criteria In AISC Design Guide & in Many Research IS Codes,& In Your Knowledge,Please Inform me.I have readĭiff. Thank you very much for Your Valuable suggestion,If anyĬriteria for minimum Natural floor frequency reflects in Posted: Sun 12:36 pm Post subject: Depth Of Post Tensioned Beam and deduct 25% depth you will land with prestessing depth to top Your PT vendor will be able to inform you the natural frequency of the floor system.ĭesign assuming R.C.C. Generally, if natural frequency of the floor is more than 5 Hz, the floor will not unduly vibrate during dancing. Regarding vibration, we had provided 750mm deep PT beams for a 15m span without any ill effects. Prestressed concrete slabs and beams usually do not have deflection problems since the deflection due to prestress is opposite to the deflection due to gravity loads. Posted: Sun 4:23 am Post subject: Depth Of Post Tensioned Beam Posted: Sun 6:50 pm Post subject: Depth Of Post Tensioned Beam Last edited by B.V.Harsoda on Sun 6:57 pm edited 2 times in total Thanks for response, My Question is only for Span depth Ratio Selection. Posted: Sun 1:45 pm Post subject: Depth Of Post Tensioned Beam Mere size of element without detail of reinfocement and details of tendons and amount of post tensioning force it cannot be judged that the elemnet size is ok. Has Suggest Column size 750mm*750mm,Beam 750mm*750mm & Slab 150 to 180 mm thick ,Slab span 6 m c/c ,Beam span 18 M c/c, I considerd Beam depth Unadequate w.r.t Decflection & Floor Vibration When 600 to 700 Peoples moving or Dancing.May I right or Wroung ? Please give your Expert Opinion.ī.V Harsoda, B.E. Columns & Post Tensioned Beams & PT Slabs System,Grade of C.C.M30,A PT Co. Posted: Sun 12:43 pm Post subject: Depth Of Post Tensioned BeamĪ Multipurpose Halls Structure For NGO ,G.F.(Parking) + 3-Floors Shall be designed with R.C.C.
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