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  1. Paperandpencil

    building failure in UK

    The scaffolding may have been provided to enable timber to be removed from the underside of the balconies. I think that the report page 1 should say timber slats and not 'slates'...
  2. Paperandpencil

    Plastic lumber design guide

    Thanks for all your comments to date. It is structural design information for the boardwalk framing members that I am looking for. The joists, cross beams and the posts. Also the bolts, whats the long term bearing strength of plastic when using an M12 bolt? I prefer not to place reliance on...
  3. Paperandpencil

    Plastic lumber design guide

    I have designed the structure of several elevated timber board walks over the years, but a client now wants to start using plastic wood (recycled HDPE) for these structures in the UK. I've not designed using this material previously. A reference document that appears in several sources is...
  4. Paperandpencil

    any old EU or UK reports on the failures of oil rigs of the 60's and 70's ??

    Alexander L. Kielland was a Norwegian rig that capsized due to a weld crack growing and one of the main legs came away. I would guess that there may be a Norwegian Government report.
  5. Paperandpencil

    Scheme Design Book/Manual for IStructE Part 3 exams (UK)

    I think the publication that you are looking for could be 'Notes to accompany the course of preparation for the Institutions Part 3 examination' published by the IStructE. It does contain some rules of thumb, span/20 for initial beam sizing etc and methods for approximate analysis. Its the...
  6. Paperandpencil

    BS 968 Steel Specification

    I hope that this extract from the BCSA publication Historical Structural Steelwork Handbook might be of some use to you.http://files.engineering.com/getfile.aspx?folder=2c5456a7-46ca-475f-9f99-766ab3ba181f&file=spec.pdf
  7. Paperandpencil

    Structural steel "T" cantilever beam design.

    Can you follow the method given in clause 3.6 and subsequent clauses? Alternatively, for a capacity check, limit the theoretical web ratio D/t to 8 x epsilon, or 15 x epsilon if you are feeling bolder, and calculate effective section properties, Z eff ? Clause 4.3.8.3 gives guidance for an angle...
  8. Paperandpencil

    Cantilevered Beam Backspan- Unbraced Beam Length

    The attached might be worth a read when thinking about if the beam compression flange is restrained at the column.http://files.engineering.com/getfile.aspx?folder=a31023e2-a02d-4841-89cd-69e10fe0d1e8&file=BRE_Lessons_from_a_Canadian_carpark_roof_collapse.pdf
  9. Paperandpencil

    Hot dipped galvanizing

    We had a 2 hour talk in our office yesterday given by a technical rep from the UK hot dip galvanizers association. Venting in tubular sections essential or they can explode. A typical 1 metre length of sealed tube will apparently displace 7 tonnes of molten zinc from the bath when it explodes...
  10. Paperandpencil

    LWT. Autoclaved Pre-cast Conc. Panels.

    Dear Steve111, I have copies of technical notes produced by Costain Concrete Co. Ltd in the 1960's that include load span tables in imperial units for their roof and floor slabs. I also have copies of technical literature produced by the Aerated Concrete Ltd who appear to have taken over the...

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