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  1. A

    Calculation of 'Mean velocity pressure' as per BS EN 1991-1-4 and query

    Hi All, I am calculating 'Reference mean velocity pressure' ( qb ) using Eqn. 4.10 of BS EN 1991-1-4. I am unsure whether I shall take 'Air density' = 1.25kg/m3 along side vb = 24.46 (which is in 'm/s) while calculating 'Mean velocity pressure' or shall take density of air density in...
  2. A

    RC Pipe support - for 600 dia. ductile iron pipe

    Hi All, I am designing a RC support (see attached) for 600 dia. ductile iron carrying sewage water from pumping station. Mostly pipe is aligned upward on embankment at slope 8%. I understand that for before casting concrete foundation, we would need to place the pipe on temporary support. Can...

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