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  1. TTTKAO

    Member stability check as per CISC( Canadian Steel code design CSA S16:2019)

    Thank you for advising KootK.
  2. TTTKAO

    Member stability check as per Canadian Steel code design CSA S16:2019

    thank you, i have the same understanding or feeling. but i can't find direct clause to support this. wondering if you notice any this kinds of word in any design guide or commentary? Thanks
  3. TTTKAO

    Member stability check as per Canadian Steel code design CSA S16:2019

    Check AISC360-18 C1.1 for Direct analysis method for design. check CSA S16:19 annex o for direct analysis method. you may argue that this doesn't exact word, for my understanding, this advanced analysis method is the same thing or idea as the direct analysis method in AISC360
  4. TTTKAO

    Member stability check as per Canadian Steel code design CSA S16:2019

    Hello All, thank you for all the discussion above, the notional load is required as per structure stability analysis not required by member stability. for Canadian code, you have to consider notional load if you want to avoid direct analysis. For US code, if your structure is rigid enough...
  5. TTTKAO

    Member stability check as per Canadian Steel code design CSA S16:2019

    Thank you for the information. i did check the commentary, i should include this member stability load as per my understanding of the code, but i asked some engineers, the answer is they didn't consider this load when using Canadian code before....
  6. TTTKAO

    Member stability check as per Canadian Steel code design CSA S16:2019

    Hello All, I am designing a building with Canadian steel design code CSA S16:2019. This building's analysis is following Simplified stability analysis method as per clause 8.4.3 by use of RISA 3D. For all the members designed by the software, I am wondering if i still need do member stability...
  7. TTTKAO

    Member stability check as per CISC( Canadian Steel code design CSA S16:2019)

    Hello All, I am designing a building with Canadian steel design code CSA S16:2019. This building's analysis is following Simplified stability analysis method as per clause 8.4.3 by use of RISA 3D. For all the members designed by the software, I am wondering if i still need do member stability...
  8. TTTKAO

    internal braces of truss frame and roof braces locations

    Morning All, Does anyone still have comments or advice on the this concept ? Thank you!
  9. TTTKAO

    internal braces of truss frame and roof braces locations

    Hi Cold, could you explain more how to remove eccentricity in the top chord by adding strut or brace at the ridge? do you mean the top chord is folded column, the biggest offset happened at the ridge ? if there is no panel point at the end wall columns, how can we provide stability support at...
  10. TTTKAO

    internal braces of truss frame and roof braces locations

    Hi JLNJ, yes, the truss internal braces is a bit wired. that's why i am struggling to use it. for the folded top chord, i think if i am using CJP at the ridge joint, even it's not a triangle , the truss is still keeping stability.
  11. TTTKAO

    internal braces of truss frame and roof braces locations

    Hello All, I am working on a truss system industrial building, this building is for 100t bridge crane. i have a few questions about my truss internal braces and roofing braces. wondering can get some advice and suggestion from you. 1. for the truss internal braces, is it common if the...
  12. TTTKAO

    Concrete-Filled Pipe Pile(composite Pile) Testing Method

    HI LittleWheels, Thank you so much for the further details. now i got it clearly. Appreciate the help.
  13. TTTKAO

    Concrete-Filled Pipe Pile(composite Pile) Testing Method

    Hi LittleWheels, Thank you a lot for sharing. i have a few questions to your explanation, wondering could you help to share more details? What does "rock socket and pile plug do not have concrete continuously" mean? the pipe pile will be driven first, and then soil plug will be removed. do you...
  14. TTTKAO

    Concrete-Filled Pipe Pile(composite Pile) Testing Method

    Hello All, I am preparing for a test method spec for Concrete-filled Pipe Pile, the pipe pile will be driven to the top level of rock firstly, and then drill soil into the rock 3m further and fill the reinforced concrete. The pipe pile need sharing resistant load with reinforced concrete core...
  15. TTTKAO

    Rock socketed section of Pipe pile installation method

    Hi HTURRAK, Thank you so much for the further explanations, The project just started, actually i am looking for possibilities for the solutions and curious design basis/reference for possibilities. you gave me a very clear and detail advice absolutely. Amazing, thank you for your time again...
  16. TTTKAO

    Rock socketed section of Pipe pile installation method

    Hi SlidruleEra, Thank you for the sharing, and appreciate a lot. I used to understand in this way, but there are some points still can not convince me. 1. 22mm thickness wall is suggested in the report, it seems too thick to a dilled pile caisson shell only.i think they should call this...
  17. TTTKAO

    Rock socketed section of Pipe pile installation method

    Hi HTURKAK Thank you for the sharing and confirmed most of my "guessing", appreciate a lot. I still have a few queries left. Thank you!
  18. TTTKAO

    Rock socketed section of Pipe pile installation method

    Hello All, I am in a project need using steel pipe piles. i saw some topics in this forum, i still have some questions regarding to the rock-socket here. As per the superstructure load and site conditions. There are some recommendations for the piling which i have questions. wondering if can...
  19. TTTKAO

    Rotation ability for shear end plate connection

    Good morning human909/DrZoidberWoop/CANPRO and all, Thank you so much for the suggestions and further explanations. it's an awesome forum to get your concerns fixed. I have raised my concern during my team technical meeting and concluded the thread to team as well. The general agreement is...
  20. TTTKAO

    Rotation ability for shear end plate connection

    Good morning human909 and all , I consult a few engineers within my team these days, the common agreement is adding knee won't help a lot to release my concern but make assumption more complicated. same as yours.. the without knee brace should be the proper solution here, i will consider some...

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