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  1. nicolas77

    Categorising this type of RC Beam

    Thank you very much. You confirm many things I thought about those beams. Again thank you a lot for answering.
  2. nicolas77

    Categorising this type of RC Beam

    Usually beams reinforcement can be divided into three parts: 1. the bottom or main tensile part which is the very minimum, the essential with the binders and at very least two top bars to hold the stirrups together making out singly-reinforced beams. 2. the skin reinforcement in case of the...
  3. nicolas77

    Categorising this type of RC Beam

    Hi, How do we call a beam where the web and bottom bars are cast first (cast-in-situ) and the top of the beam is cast at a later stage together with the slab. The beam overall height and width is 450 and 150 and the 450 is 300mm. web and flange is 150 (same thickness as the slab). The...
  4. nicolas77

    Winders to RC Staircase Landing Details

    HI I am looking for any information detailing Winders (actually 4) to a half-turn landing dog-legged staircase. I am looking for any sectional drawing that show the continuity of the longitudinal supporting rebars from the upper and lower flight into the winders. Thanks
  5. nicolas77

    Inconsistent Formulae for Required Steel in BS8110 based textbooks

    Thank you. I will go through it. So far I found that it is based on different factors of safety that has evolved with time through the different version of the BS8110 code and perhaps with EN code mingling with it. The reciprocals of those safety factors accounts for the different constant 0.87...
  6. nicolas77

    Inconsistent Formulae for Required Steel in BS8110 based textbooks

    Hi, I have note that to calculate required steel according to BS 8110-1:1997 we used the formula As = M / 0.95 fy z, This is followed by J. B. Higgins, B. R. Rogers, Design and Detail (BS 8110:1997), p. 8 and W.M.C.McKenzie, Design of Structural Elements, Third Edition, p. 235 among other...
  7. nicolas77

    Practicalities Regarding RC Pitched (Gable) Roof

    Hi, I will like to know whether this much used detail is practical or not. 1. The detail on the site is nowhere to be seen in any published book to BS8110 code as far as I am concerned. Reinforced Concrete Pitched roof of any kind (lean-to, gable, hip) is just absent from so many text...
  8. nicolas77

    M15 Concrete Mix to IS 456-2000 : W/C ratio and Proportion of CA, FA

    Hi, I will like to get some clarification regarding M15 concrete to IS 456-2000 table 5 and table 9 in terms of WC ratio. If I use the widely used 1:2:4 proportion for M15, the cement content will be 1/7x1x1440=205kg/m3 while the table minimum cement content (table 5) is 240 kg. Lets...

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