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groszni awesome

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groszni awesome last won the day on February 13

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About groszni awesome

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    Islamic University of Indonesia
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  1. Long span lattice girder

    Been searching for a while found nothing. I changed the system to common rafter with alot of addition weight. But im still curious with this system just incase ill meet it up in the future.
  2. Long span lattice girder

    Hello there SEpakistan, Im designing a long span structure for roof, this just an alternative instead of using PEB. The span of structure is 53m and its monosloped. I know in this case gravity loads will govern. DL = 30 kg/m2 and live loads 58 kg/m2. I tried to model this structure in staad pro with lattice girder with bottom and top chord using T section, and vertical and diagonal with double angles. Because the top and bottom chord will be continous when jointed with vertical and diagonal member, so i just add the truss spec to the diagonal and vertical member as a truss. When i run the analysis, the top chord and bottom chord behave just like a beam on the outer fiber. near the support the top chord got tension forces and bottom chord got compression forces, and on the mid of span the top chords is in compression and the bottom chord is in tension, i modeled this a rigid to column. My question is how do i apropriate design this lattice girder? Did i do it wrong? I need some explanation on how this kind of system works. Thank you. Regards
  3. Shear force

    Maybe cuz its a requirement for the detailing purpose based on the code. What code did u use to design the beam?
  4. Required force method

    Hello there SE Pakistan, Im designing welded moment splice connection using Bentley LIMCON, and i found these kind of SECTION RESULT ANALYSIS on the report, There are this simplified analysis, elastic analysis and plastic analysis. I just wanna know how do you calculate required load in elastic analysis and plastic analysis??? Cuz i figured it out how to calculate it with simplified method, to find the nft(flange tension) using Mu/(d-tf) + 1/2Pu and nfc(flange compress) using Mu/(d-tf) - 1/2Pu, because on the other result (elastic and plastic method) they gave me significant different result.
  5. Web sidesway buckling and web compression buckling

    thank you uzair really helpful
  6. Classification of beam based on height and spans

    found this on ACI 318, so whenever the h of beam is <1/4L means that its an ordinary beam right?
  7. Hello Sepakistan, i wanted to know the Classification of beam based on height and spans, for example when the h and L ratio is large they called this deep beam and so on. Sorry for such a question. Thank you, Regards, Groszni S
  8. Assalamualaikum, Im designing a connection beam to column and in AISC 360 sec J10 there are some parameteres we got to check on the column, such as web sidesway buckling and web compression buckling. Ive been searching anywhere in the internet but didnt find any failure illustration of these parameters. Could some of you please draw the failure illustration of sidesway buckling and web compression buckling? Thank you.

    no its not an end plate connection i guess, the beams flange is rigid conneted to the column (welded using SMAW complete joint penetration). and the web got a fin plate (if i aint wrong for the term) connection design using bolted connection. And no i didnt design it, im working at a fabricator firm, and the client wanted us to do the connection analysis based on model of connection they drawn for us.
  10. Assalamualaikum, Im designing a connection a pipe to pipe, between this pipe i have to add a plate to connect the pipe with welds. How can i determine the thickness of the pipe? Do i just design it based on tension load on the pipe? Cause my senior said that theres an eccentricity and i have to design it to resist such loads, but im not sure. Heres the figure of the drawing. Regards Groszni

    do you calculate the dimension of the stiffner as a tension member by using these load-> required load for stiffener = force load by beam flage - column web resistance ?

    but i didnt use an end plate connection, the flange of the beam got welded to the flange of column, and the web of the column connects by double vertical connection plate attached/welded to column (fin plate i guess).

    Assalamualaikum, im designing beam to column connection, i wanted to know what are some limit states on the beam and also on the column? and also i need a correction in my design, heres what i did : 1. designed the top and down flange groove weld to resist tension caused by Mu, Tu=Mu/(h-1/2tf.2) 2. designed amount of bolts on the web based on shear force 3. designed the connection plate on the web based on the shear force / axial (tension force) on the beam. 4. designed the fillet weld based on shear force acting on the beam what else i have to check/design? thank you regards.
  14. Thickness of footing

    Check the one way shear and two way shear to determine the thickness, you could do the slope thickness variation btw (thicker near the column).
  15. Reduce lateral displacement

    What are some ways to reduce lateral displacement of column, In case i couldnt add lateral bracing to my building and have already got the column orientation in right position(column axis to resist force)?

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