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  1. daveross

    Damp Rising in Old Buildings

    There are some companies who manufacture special ceramic inserts for providing damp proofing in old buildings. I can't remember their names, but you might find on the internet. As far as I recall, you drill holes in the walls at recommended intervals and insert the ceramic. If I find any more...
  2. daveross

    Load Testing of Large Diameter Piles and effect on superstructure

    You are absolutely correct. Unless your structure can tolerate large settlements (which is unlikely), you have to limit the settlement criteria in a different way for large diameter piles. That is, the allowable settlement at working load should be based on the settlement which the structure can...
  3. daveross

    Settlement or Shrinkage Cracks in Silo

    Ron, there is an interesting paper just published by Prof. Burland of Imperial College in the Journal of the Institution of Structural Engineers (UK) 5th December which describes failure of some silos. Although it certainly seems that drying shrinkage is the cause of the cracks in your case...
  4. daveross

    How to put a door into existing masonry wall?

    1. cut a series of small holes in masonry above the lintol level. 2. install temporary steel needle beams through the holes.(ie perpendicular to the wall) 3. prop the needle beams with adjustable shores at either end. Provide cross bracing between the shores. Make sure the shores have adequate...
  5. daveross

    Structural Analysis/Design Programs and Literature

    Another couple of suggestions to add to the bewildering array above....one is PROKON software.....very easy to use, and has built in design capability in British, American and other codes and lots of useful design modules. You can download a full working version from their website for free two...
  6. daveross

    Thickness of Stone Cladding

    Can anyone advise if there exists a standard for minimum recommended thickness for external granite cladding on multi-storey buildings??
  7. daveross

    Shearheads, Shearheads, Rolly Polly Shearheads

    Same response as Imagineer !!!!!<br><br>Regards,<br><br>Daveross
  8. daveross

    Shearheads, Shearheads, Rolly Polly Shearheads

    If you can get hold of ACI318M-95, section 11.12.4 et sec gives guidance on design of shearheads using steel I sections and also traditional stirrup reinforcement. I have never used the I section solution, and would be concerned about&nbsp;&nbsp;displacing the column reinforcement and getting...
  9. daveross

    Embankment Construction on Soft Silts and Clays

    Can anyone recommend any research papers or design guidance for construction of marine revetments/breakwaters/embankments on very soft silts/clays?????

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