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Recent content by neilmark

  1. neilmark

    CICIND

    Does anybody have any examples of how to calculate fatigue on a chimney to the CICIND code 2010? Or even better a spreadsheet file for the design etc...
  2. neilmark

    Steel Chimneys

    Does anybody have any guidance or documents on how do design an opening in a chimney. We usually go through the CICIND code and provide vertical and horizontal stiffener plates etc, but these are expensive and time consuming to fabricate. We are looking to stiffen the holes with a tube of...
  3. neilmark

    Tie Rods and Pattress Plates

    Does anybody have any advice/guidance on how to estimate the tension force in a rod to be placed through a masonry bridge and secured with pattress plates? The rods will be placed perpendicular to the bridge span to holt lateral spreading of the side walls.
  4. neilmark

    Chimney Design

    Hi, thanks for the response and book reference, but I think you may have misread the question. We have been asked to look at designing an oval shaped chimney (not check a circular chimney for ovaling). Regards
  5. neilmark

    Chimney Design

    Currently involved with circular steel chimney design and possibly require to design an oval shape chimney. Does anybody have any useful information regarding how or if vortex shedding effects these shapes? Using CICIND we design circular chimney shells for axial and bending stress. We are...
  6. neilmark

    CHS bolted flange connections.

    Does anybody have any documents or literature on how to design circular flanged joints wih bolts in a radial configuration. Could be for a CHS or even larger section such as a steel chimney splice connection. Regards
  7. neilmark

    Steel Shutter for Concrete

    Hi, yes the shutter is the formwork for the concrete. Like a large steel mould I suppose.
  8. neilmark

    Steel Shutter for Concrete

    Can anybody point me in the direction of how to design a 15m diameter shutter from steel for a concrete pour. The shutter is going to be 3 rings of 152UC curved and bolted together and then 6mm infill plate. I can design the plate from lateral pressures but how does one quickly calculate the...

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