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  1. GerhardSA

    MSc Naval Architecture

    Thanks for the reply. It is in line with what I've heard. Do you think the university where I study will make a big difference? It seems like the University of southampton's ocean engineering department is expanding rapidly. Thanks
  2. GerhardSA

    MSc Naval Architecture

    Should have added: I am currently working as a structural engineer and am looking to go in the general offshore oil and gas industry after obtaining this degree.
  3. GerhardSA

    MSc Naval Architecture

    I am considering going to study a MSc Naval Architecture at the University of Southampton- the 1 year taught masters. I have been trying to get an industry opinion about this degree overall (demand for Naval Architects in the future) and the degree at this university. In South-Africa there is...
  4. GerhardSA

    Blast Resistant Free Standing Wall

    TMH5-1300- Structures to resist the effects of accidental explosions. Published by the USA department of defense, they have some good examples on most explosions.
  5. GerhardSA

    Junior Engineer Woes

    anominal, my 2cents: I was in the exact same position about a year ago, doing mostly drawings and the like for about a year and a half, and before that, while still studying I was a steel worker. Got a job at another company and am climbing the ladder faster than the other junior engineers. I...
  6. GerhardSA

    Bearing resistance of steel plate

    Hi everyone, I want to connect a member to the web of a plate girder and need to work out the maximum amount of force that can be applied to the bolts parralel to the member before the bolt holes elongate too much, or shearing occurs. In our code it makes provision for shear failure and...
  7. GerhardSA

    Connection to plate girder web

    Thanks all, This is not very severe cyclic loading but some can be expected, it is for a big power plant that is being built. Paddington, the dims are 55x20x2x0,8 in inches. Most of these connections are already manufactured, so the changes has to be simple, what I will suggest is that 2 web...
  8. GerhardSA

    Connection to plate girder web

    Hi everyone, Doing some third party connection checking I came across a potential problem, would like to confirm my suspicion. I have a bracing connecting to a Plate girder at 45 degrees 1400x500x50x20, the bracing has a tensile force of 190KN and it connects to the girder's web 390mm from the...
  9. GerhardSA

    Blast resistant wall design

    JStephen, I know almost nothing about hydrogen storage. It would be very helpful if you could enlighten me a bit. There are hydrogen storage on site and the client requested that a blast resistant wall be constructed to minimise damage if an explosion occurs. The hydrogen Silos were...
  10. GerhardSA

    Blast resistant wall design

    Afraid there is not too many specialists here, so that might take too much time. Jstephen: The wall will be 14m long and 6m high and the tanks is only about 4m away so I think the worst case is the actual explosion of the hydrogen tanks. The problem is also explosion not rupture as we are...
  11. GerhardSA

    Blast resistant wall design

    thanks guys, FEMA documents had nothing relative. But I downloaded the TM5-1300, very helpful in general terms, but still not real in depth about gas explosions and specifically hydrogen explosions, as I read it is not advisable to equate gas explosions to equivalent TNT explosions, the general...
  12. GerhardSA

    Blast resistant wall design

    Hi All, I have to design a 4m high blast wall to resist the explosion of 3- 2m dia. x 4m high hydrogen storage silos. The wall is about 4m from the silos. I am finding it difficult to determine the blast pressure on the wall. It is not possible for me to obtain the relevant design loads (the...
  13. GerhardSA

    Laterally unsupported spec STAAD

    Hi guys, What is the easiest way of extending a members effective length for a laterally unsupported situation? Like two members in the bottomcord of a truss. I don't get that comand in steel designer, maybe I'm just doing it wrong. Any help? Cheers
  14. GerhardSA

    calc. reactions for propped cantilever

    try this, I usually use it for quick calculations. I think the deflections are based on myosotis method.http://files.engineering.com/getfile.aspx?folder=2e4e2527-e0c7-4b90-9939-631c3bd30054&file=beams.pdf
  15. GerhardSA

    Simply supported?

    Don't know if this is what you're looking for but. the way I see it is to always design for the worst case scenario. With pinned joints the isolated member forces will be greater. ex a simply supported beam has a bigger bending moment when it is not restrained at the ends. the opposite is true...
  16. GerhardSA

    Simply supported?

    hi Charles try these websites for some good basic principles and some background. http://darkwing.uoregon.edu/~struct/courseware/461/461_lectures/461_lectures_index.html http://www.bgstructuralengineering.com/
  17. GerhardSA

    analysis theory for retaining wall

    Yes, that's it. The moment are taken about different places on the structure (base). As for the axial load, it is the weight of the wall. It is negligible in this case, but some of my colleagues says that axial force can reduce moment if the axial force is enough? anybody maybe have any...
  18. GerhardSA

    analysis theory for retaining wall

    hi guys, I designed a besement like structure a few weeks ago, I did the initial bending moment calculations assuming the walls as cantelevers( the roof can be removed), only taking into account the pressure of the soil. I then checked it on Prokon2.2 as a retaining wall and got the same...

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