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  • Users: SSCon
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  1. SSCon

    Spain and Portugal power grid collapse | Report Released

    Original Thread: https://www.eng-tips.com/threads/spain-and-portugal-power-grid-collapse.528839/ Report (Spanish): https://www.lamoncloa.gob.es/consejodeministros/resumenes/Documents/2025/Informe-no-confidencial-Comite-de-analisis-28A.pdf TLDR: The grid operator had inadequate spinning mass on...
  2. SSCon

    Field Drainage Across Power Cable

    I'd certainly prefer the drainage to be on top, it'd be mess to do anything with the drain with the current proposal. Maintenance of the drain in the area of the cable will be on the power company. Next time I talk to them I'll suggest it'd be in their best interest to put the power cable...
  3. SSCon

    Field Drainage Across Power Cable

    A power cable is going to be put through my land alongside an open drainage ditch. My main concern with this is ensuring the field drainage is done properly as maintenance after the fact will be difficult. The contractor is intending to put the drainage under the cable as per below. Is this...
  4. SSCon

    Solidworks Configurations - file size & non-dimensional differences

    You can purge cached configuration data. https://help.solidworks.com/2024/English/SWConnected/swdotworks/t_Purging_Configuration_Data.htm
  5. SSCon

    Baltimore Bridge collapse after ship collision

    Found a drawing of the bridge fender design. There is a report which analysed the impact resistance of the bridge which I've not been able to find.
  6. SSCon

    Is there any hand calculation vs FEA modeling Lifting Lug for Steel Alloy

    ASME BTH is the most thorough standard I've seen for pinned lifting connections, it references papers where the calculations are compared to test results. Anyone who knows what they're doing solves these problems with hand calculations. To do this with FEA would require the clevis, pin and the...
  7. SSCon

    Dam Failures in Derna, Libya

    In case it was missed. I could find every other article from that edition of the journal but the relevant one. Maybe someone else's google fu will be better. https://www.hidrotehnika.rs/en/libya/wadi-derna/
  8. SSCon

    Dam Failures in Derna, Libya

    Dam specs, from the builder. Type of dam: Embankment dam with clay fill Dam height: 75 m Crest length: 300 m Foundation width: 104 m Embankment: 735.000 m3 Storage capacity: 18.000.000 m3 Type of dam: Embankment dam with clay fill Dam height: 45 m Crest length: 130 m Embankment: 104.000 m3...
  9. SSCon

    Dam Failures in Derna, Libya

    Anyone have access to this journal? https://bfemu.journals.ekb.eg/article_199421.html
  10. SSCon

    Dam Failures in Derna, Libya

    https://eos.org/thelandslideblog/the-failed-dams-in-wadi-derna-in-libya
  11. SSCon

    PSL 3G

    The "G" means it passes gas testing.
  12. SSCon

    Is it time to repeal the Jones Act...

    Maersk Alabama was US flagged for a time but was never Jones Act eligible. There's a program to subsidise bringing private ships under the US flag so they're available for sealift (effectively an admission that the Jones Act failed in its purpose). But the Jones Act restrictions are still in force.
  13. SSCon

    Is it time to repeal the Jones Act...

    https://www.cato.org/publications/policy-analysis/jones-act-burden-america-can-no-longer-bear#
  14. SSCon

    Is it time to repeal the Jones Act...

    The issue is the foreign ship can't pick up containers in SF and offload them in SoCal. So containers will never be moved by ship between those locations, only by road or rail. There's no prospect of the act going away, the cost is distributed amongst everyone and there's a strong lobby in is...
  15. SSCon

    Nordstream Pipelines Sabotage | Part 2

    TLDR; US Navy divers working with Norwegians planted C4 shaped charges under the cover of a NATO exercise. The charges were later detonated using a sonar buoy dropped by an aircraft.
  16. SSCon

    Nordstream Pipelines Sabotage | Part 2

    Part 1 Seymour Hersh has written a detailed account of how the US did it. https://seymourhersh.substack.com/p/how-america-took-out-the-nord-stream?r=5mz1&utm_campaign=post&utm_medium=web
  17. SSCon

    Pipeline Pressure Loss

    I really hope the convoluted conspiracy theories here are just larping. UFO theories sound quite reasonable compared to the Russians blowing up three pipelines - including two operational ones - so they can get one pipeline operational.
  18. SSCon

    Pipeline Pressure Loss

    The plugs would be removed like pigs.
  19. SSCon

    Pipeline Pressure Loss

    The NS1 pipelines were built in three sections and this is how they were connected subsea. This info is all in the public domain.
  20. SSCon

    Pipeline Pressure Loss

    Regarding the repair - if politics allow - of the pipeline. It will be done in much the same manner as the different sections of the pipeline were connected originally. The 1,200km pipe wasn't installed in a single operation, instead three sections were installed and then connected subsea (the...

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