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  1. lesgiu

    folded stair in timber

    I think the railing is connected to the side of the stair and then use a render over so it appears it's slotted in.
  2. lesgiu

    folded stair in timber

    Yes, the stair in the picture is a timber cladding. Just wondering if anybody has done it in timber itself.
  3. lesgiu

    folded stair in timber

    Good Morning, Does anyone have experience designing a folded stair in timber? Is it doable? See attached picture for reference http://st.houzz.com/simgs/6361cf11015f06ab_4-2130/modern-staircase.jpg Thanks in advance
  4. lesgiu

    seismic auto-lateral load X & Y simultaneously?

    Hi, I would appreciate if someone can help me understand the auto-lateral loads for earthquake that etabs generates. In the auto-lateral load, I input all the seismic coefficients and factors. For the direction of the load, can i select both X & Y? or do i have to create a different load...
  5. lesgiu

    Scaling Down Design Values of Combined Response Spectrum

    Good morning guys, I have done a response spectrum analysis to a 16-story building and I got that my dynamic base shear is bigger than my static base shear. Since i don't need to scale up my dynamic base shear as per asce7 12.9.4, can i instead scale it down?? not to an 85% but to a 100%...
  6. lesgiu

    R factor for two different structural systems

    Hello, I'm doing the structural evaluation of a 3-story building that has in one direction only confined masonry. For earthquake loads the building doesn't comply with any requirement and we are adding concrete shear walls. During the evaluation I used an R factor of 3 but now that I have added...
  7. lesgiu

    shear studs specs a307??

    thanks for help Bagman In addition to your comment, I sent an email to AISC regarding this issue and this is their comment: "The preferred material specification for shear stud connectors used for the interconnection of steel and concrete elements in composite construction is ASTM A29 provided...
  8. lesgiu

    shear studs specs a307??

    Hi guys, I have a quick question regarding shear studs for composite beams, I have specified studs to comply with Astm A108 (fy=50ksi, fu=60 ksi). The contractor wants to use A307 or A325 for shear connector, I know that A325 are not allowed to be welded. Can we use A307 bolts as shear studs...
  9. lesgiu

    Lap splices on special shear walls??

    Hi all, I would like to know where i can locate the lap splices for special shear walls. I know that for columns the splices are allowed only on the middle height of the column, how about rc walls?? Thanks in advanced Les
  10. lesgiu

    ASCE 7-10

    ASCE7-10 was just released. It is available on asce website.
  11. lesgiu

    design load combinations

    Thanks structuresguy, i will try your example .
  12. lesgiu

    design load combinations

    Hi, i am trying to design a timber truss. I have applied dead, live and wind loads. The wind loads were not generated using staad, instead I created a load case type wind and input there the wind loads. After that i created the combination loads and designed the truss members. I have noticed...
  13. lesgiu

    design of special staircase

    Thanks csd72. But my english is not so good, please do you have any detail or image about the reinforcement coz i cannot understand it so well. Thanks again.
  14. lesgiu

    design of special staircase

    Hi guys, any of you have an idea of designing a staircase like the one shown in this website (the last one - ortopoligonales)? http://www.ip-3.com/escaleras.htm i have many doubts about the reinforcement, does it work? please if u have any detail please send it to me. thanks a lot
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