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  1. Hudhaifa

    Post-Tensioned Box Girder Design

    Hi, I am wondering if any one has a detailed example about the design of post-tension box girder. Thanks.
  2. Hudhaifa

    Type of joint ??

    Thank you for your additional tips. Appreciated.
  3. Hudhaifa

    Type of joint ??

    I believe that there should a textbook discuss such concepts which will be helpful for fresh graduates especially. Thank you for your recommendations. Yes exactly its Hibbler book.
  4. Hudhaifa

    Type of joint ??

    Clear explanation. any reference you recommend that address these concepts in such details? as I could not find such information in the textbook I use.
  5. Hudhaifa

    Type of joint ??

    Thank you all for your help.
  6. Hudhaifa

    Type of joint ??

    Hi all, what is the type of joints B and C in the frame below? Is it rigid or semi-rigid? and why? whats is the interpretation for the rotation at these joints B and C? Whats is the difference between fixed joints at A&D and at joints B&C?
  7. Hudhaifa

    Structure Stability

    This is exactly what I understood from the statements. The internal deformation of a member or members in a structure exhibits a resistance against collapse and thus the structure is stable in which can stand the applied load (within the ultimate load). The course itself shown the following...
  8. Hudhaifa

    Structure Stability

    Hi The stability concept of a structure (frame/truss) is not very clear for me. I have found the following statement in one of the structural courses; What do you think about the above statement?
  9. Hudhaifa

    Sign Convention !

    Hello again, Hope u did not forget the subject [bigsmile]. I have contacted one of the authors through the publisher. Please see attachment No 1 addressing the sign convention point. Attachment No. 1...
  10. Hudhaifa

    Sign Convention !

    Yes it is a part of continuous beam. But even though shouldnt moment direction to be shown ? See the image below
  11. Hudhaifa

    Sign Convention !

    So we can say the direction of Ma and Mb shown in my last sketch are correct. BUT still the signs of Va and w in my equation is different to the one shown in the book I use. In general, I used to consider different sign convention by other book for analysis, which is different to the one...
  12. Hudhaifa

    Sign Convention !

    Following the above mentioned sign convention to get +ve M(AB) and -ve M(BA) as shown in the book ... I consider the assumption below; But the sign of loads Vab and w are opposite to what shown in the book itself.
  13. Hudhaifa

    Sign Convention !

    if we follow the sign convention in point 1 as shown in the photo below the signs of M(AB) and M(BA) shown in the equation is correct if we consider M(AB) as CW and M(BA) as CCW. However what about the remaining loads; uniform load and V(AB)? I am wondering why the direction of moments...
  14. Hudhaifa

    Sign Convention !

    Yes exactly. that what I notice the moment orientation is different from European to Americans. For Example in american book CW FEM consider as positive and CCW FEM as negative which is opposite to European. This is one of the reason that confused me as the structural analysis book that we...
  15. Hudhaifa

    Sign Convention !

    Hi all As a matter of interest to learn how to design a reinforced concrete buildings, I have started reading a book named "Reinforced Concrete Design (7th edition) to EuroCode 2, by Mosley ... " My questions may seem to be obvious and easy, but it really confused me. While I am reading...
  16. Hudhaifa

    Methods of Structural Analysis

    Hi all, During my reading in one structural analysis book, I have found many methods using for structural analysis depending on structure analysed. I am bit confused with these methods. I am here to ask if any one could create a mind map explaining all structural analysis methods and showing...
  17. Hudhaifa

    Youtube channel for Civil Eng. Topics

    @oldestguy Some times I like to update myself with the latest technology in civil engineering and especially structural. I find a youtube channel some times as a matter of chane in gaining the knowledge. @workingweekends Thank you.
  18. Hudhaifa

    Youtube channel for Civil Eng. Topics

    @slideRuleEra Thank you. Appreciated.
  19. Hudhaifa

    Youtube channel for Civil Eng. Topics

    Hi all, Appreciate your effort in thia forum. I would like to ask if any one know a channel in youtube that share topics in frequent basis about Civil Engineering and especially in structural area. Thank you.
  20. Hudhaifa

    First Job in Structural Engineering

    Thank you.

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