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  1. zlong

    corrosion protection of aluminum pipe buried underground

    In a design, we need to bury 3' of 8' long aluminum (6061-T6) pipe underground. Do I need to worry about the corrosion? If yes, is there anything we can do to protect the corrosion? Thanks in advance.
  2. zlong

    What does "ACQUISITION SPECIFICATION" mean?

    Military Standard MS25036 lists only dimension requirements on terminal. It also mentions "Acquisition specification MIL-T-7928", which has criteria on performance, like tensile strength. What does "Acquisition Specification" mean? If a vendor claims that its terminals meet MS25036, does this...
  3. zlong

    What does "ACQUISITION SPECIFICATION" mean?

    Military Standard MS25036 lists only dimension requirements on terminal. It also mentions "Acquisition specification MIL-T-7928", which has criteria on performance, like tensile strength. What does "Acquisition Specification" mean? If a vendor claims that its terminals meet MS25036, does this...
  4. zlong

    Shear force and torsion at angle beam

    In a welded truss system with angle beam element, beam local forces are required for next step analysis. These values are from s7 to s12 in output file "study/analysis/study.s##". The results for shear force and torsion are about 50 to 500 times of expect values. This problem does not exist in...

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