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  1. MRob909

    Hanging a boxing punching bag

    Hard to say from the picture of course - it may or may not have an influence. how heavy is the bag?
  2. MRob909

    Looking for reliable sources for European steel section properties data (open domain)

    Dlubal has a large database across EU sections: https://www.dlubal.com/en/cross-section-properties/ I know you can export PDF pages but not sure about excel.
  3. MRob909

    Lintel Options

    I'm not sure if you have availability of these over in the states, but I would typically specify multiple 'box' lintels Link If you then need to pick up the outer leaf of masonry, a beam with a plate to the bottom would work on the outside.
  4. MRob909

    Welding of high strength grade 8.8 steel bolts

    My understanding was the main issue was pertaining to the heat treatment (as you and others make note of). I try to design out the need for welding the nuts, some of the ways are: - Using a tapped hole in the plate, instead of a nut. - Using steel stabs to locate the nut and stop it spinning. -...
  5. MRob909

    Practical strengthening to existing cold rolled roof purlins

    As others have said, probably the easiest option is tek screwing a light gauge angle to one side of the existing purlin. If the snow drift condition is your only concern then it should be straightforward enough. In the past I have also introduced additional purlins to reduce the roof sheet...
  6. MRob909

    Cross UK Safety Reporting Website

    Afternoon All, I'm not sure if it's been shared on this forum before, but the UK has a reporting scheme for engineers to anonymously report safety issuesthey come across either through observations on site or projects they are involved in. It's to act as a share of knowledge more than anything...
  7. MRob909

    Proposals and Exclusions

    I cover these as 'general exclusions' in all fee quotes, however will usually offer to handle any of the additions under separate fee quote or hourly rate. Sometimes they can be quite lucrative!
  8. MRob909

    Timesheet/Profit Tracker for small business

    Having worked for a few companies I've seen different systems implemented: Spreadsheets - Free, but as everyone has open access it soon becomes chaotic. Harvest (https://www.getharvest.com/) - The subscription gives access to time tracking, reporting and invoicing. As simple or complex as you...
  9. MRob909

    Baseplate to nut contact

    A picture might help - but what I'm imagining is that you do not have a square contact of the nut face to the baseplate face? Depending on what loads are anticipated in the column and the duration of the column in this temporary state are likely to be factors in your decision to intervene with...
  10. MRob909

    What are some good references for connection design for a new EIT?

    Infact - with reference to IdeaStatica.... I often find the user manual for software a great place for equations and calculation references. Here is the link to Canadian code checks: https://www.ideastatica.com/support-center/check-of-components-according-to-cisc
  11. MRob909

    What are some good references for connection design for a new EIT?

    Similarly to the AISC documents, across the water in Europe there are numerous good resources (with worked examples): https://www.steelconstruction.info/images/a/a9/SCI_P358.pdf https://www.steelconstruction.info/images/5/5d/SCI_P398.pdf Irrespective of code checking, the principles are largely...
  12. MRob909

    Design shear resistance for bolts in slotted holes according to EN 1993-1-8

    The design process is largely similar, you just have different end/ edge distances and bearing allowances. Ref EN1993-1-8: Table 3.3 for end/ edge distances. Table 3.4 for bearing allowance.
  13. MRob909

    Tieback Analysis

    Whilst Eurocode itself is not an appropriate code, What you are essentially doing is applying a load factor of 1.50 to your action (setdown/ tieback load). There are more appropriate codes that you can use for subsea design (DNV, API etc.) they may even allow you to use a lower load factor (if...
  14. MRob909

    Mentor Search

    Loti_eng I haven’t received any email yet, try again perhaps?
  15. MRob909

    Managing Other Engineers (An Update)

    I did promise I would update you all on this thread... thread731-511141 The TLDR: Today is my final day of employment and I start my own business on Monday! Unfortunately, the situation with my previous employer did not resolve itself, despite numerous frank discussions and offering solutions...
  16. MRob909

    Mentor Search

    Happy to help, I'm based in the UK and use Eurocodes as my primary source. Feel free to email me (via my profile), and we can see if it's a fit.
  17. MRob909

    How I started on my own (Mk II)

    thanks for your insights, I always find it interesting when someone with a military background transitions out and picks up a regular job. From the service people I know, they have a broad knowledge base and are generally well rounded in terms of their skill set. We’re quite similar with...
  18. MRob909

    How I started on my own (Mk II)

    Another successful trawl in the eng-tips forum has led me to this old thread from 2006. Link One of my aspirations is to start my own company someday, so I was wondering if anyone wanted to share some of their more recent stories of how they got started.
  19. MRob909

    EN 1993 which verification formula to use stress or resistance?

    The classic answer of 'it depends' applies here - I wouldn't say there is a defining criteria when to use each method so you will have to use your judgement on a project by project basis. I frequently use both approaches, but tend to use design resistances for 'typical' structural frames...
  20. MRob909

    Repairing cracks in CMU

    We tend to get involved in these types of repair in the UK quite regularly. As dik rightly highlights, the cause of cracking needs to be determined as the first priority. Our typical process is to determine if the cracking is: - Historic (i.e. occurred when originally built) and not active. -...

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