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  • Users: boo1
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  1. boo1

    cambodia building collapse

    multi story concrete https://www.ibtimes.com/cambodia-building-collapse-death-toll-hits-36-rescue-called-2896525
  2. boo1

    New Civil Graduate Advise

    My son graduated last Sunday with a BS is Civil Engineering. I need to give him some advise. He had been working (intern that would turn into full time) for 2 Civil PEs doing petroleum remediation. He was working part time making $15/hour. The job varied from monitoring/sampling to manual...
  3. boo1

    Collapse at Peruvian hotel

    https://www.msn.com/en-us/news/world/collapse-at-peruvian-hotel-kills-15-amid-wedding-celebration/ar-BBSNmzL?ocid=spartanntp Collapse at Peruvian hotel kills 15 amid wedding celebration
  4. boo1

    Marine Study Help

    Looking for guide or specifications for a preliminary study for smaller marina in NW Florida. Want to do a layout and understand requirements. Marina to include wet slips, ramp, dry storage, and fuel dock.
  5. boo1

    Marina Study in Florida Help Needed

    Looking for guide or specifications for a preliminary study for smaller marina in NW Florida. Want to do a layout and understand requirements. Marina to include wet slips, ramp, dry storage, and fuel dock.
  6. boo1

    5456 H111 Critical Stress Intensity

    What is/where 5456 H111 critical stress intensity, Kic ? We have sensitized 20 year old 5456 H111 exposed to marine environment. Both 1 inch and 3/8 inch think extrusions with multiple cracks. I am trying to calculate the allowable surface crack length, Ac (assuming 18ksi, semi circular crack)
  7. boo1

    Kolkata, India Flyover Collapse

    http://news.yahoo.com/photos/photos-kolkata-flyover-collapse-10-dead-150-trapped-1459419601-slideshow/general-view-collapsed-flyover-kolkata-photo-093139650.html Looked like one of the support columns collapsed
  8. boo1

    Cross-Laminated Timber (CLT)

    interesting product http://www.apawood.org/cross-laminated-timber
  9. boo1

    Lock Torque Test

    We check out various hydraulic motors; one of the tests are lock rotor. What does the lock rotor accomplish and demonstrate?
  10. boo1

    Stainless Steel 321

    Does anyone have experience with 321 in the marine environment for tubing?
  11. boo1

    Allowable Seal Leackage

    I need help determining how much should be allowable seal leakage. Seal oil to ambient Oil Mil-PRF-23699 (5mm**2/s synthetic ester base stock) Kinematic Viscosity , @ 40 deg C cSt=25.26 Pressure 1800 psi Seal Viton A, OD 5.395", ID 5.14" Speed 1285 RPM Balanced condition Contact stress on...
  12. boo1

    Allowable seal leakage

    I need help determining how much should be allowable seal leakage. Seal oil to ambient Oil Mil-PRF-23699 (5mm**2/s synthetic ester base stock) Kinematic Viscosity @100 deg C =5.17, @ 40 deg C=25.26 Pressure 1800 psi Seal Viton A, OD 5.395", ID 5.14" Speed 1285 RPM Balanced condition
  13. boo1

    Weld Symbol

    What is the supplemental symbol flag off the all the way around?http://files.engineering.com/getfile.aspx?folder=a2b6bdd8-4140-42bd-8ece-45e771f7e6d3&file=Doc1.docx
  14. boo1

    British Steel S96 Equivalent to a US Steel

    We need a equivalent for a 1980 British tool steel S96. What i found so far was: Element Min % Max % C 0.27 0.35 Si 0.15 0.35 Mn 0.45 0.70 P - 0.025 S - 0.015 Cr 0.50 0.80 Mo 0.45 0.65 Ni 2.3 2.8 Al 0.015 0.05...
  15. boo1

    Steel Equivalent BS 970 826M40

    We need a steel equivalent (US spec/supply) for BS970, 826M40, (EN 26 Condition X) link of this steel: http://www.westyorkssteel.com/alloy-steel/engineering-steel/en26w/
  16. boo1

    Shipyard Blocks

    We are investigating designing some ship block for marine an application. They will support vessels stored on a deck of a ship while it is underway. What codes govern the block designs, and what are load testing requirements?
  17. boo1

    Tubing Weld Repair Procedures

    Our welders have been TIG repairing damage (corrosion and physical) on some of our high, medium and low pressure process tubing, alloys welded were AA5000 series Al, Cres 300 series and Inconel 625. Fuilds are hydraulic fluid, and #2 fuel oil. They are certified for 1/8" plate SST and AL all...
  18. boo1

    Light Weight Foam Recommendations

    We have a rotating centrifugal fan with extruded hollow fan blades. The fan is exposed to constant salt spray. The blades are sealed at there edges with Proseal polyurethane sealant. Sometime the Proseal fails and the blades fill with debris. The debris causes fan imbalance. We wanted to...
  19. boo1

    Marine Concrete Coatings for Loading Blocks

    Anyone have recommendations for a coating, that we can apply to shipyard new concrete blocks (uses to support boats on land) to minimize cracking?
  20. boo1

    6061-T652 Aluminum Weld Repair

    We have cracked propeller shroud legs machined from 6061-T652 aluminum forged billets. Is 6061-T652 weld repairable (What is the process)?

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