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Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 11:23am On Jan 04, 2021 |
yungmin:is the modelling like prota structures? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by yungmin: 7:05pm On Jan 04, 2021 |
hakeem4: I've not seen prota but it has similarity with revit. You use revit structure? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 7:20pm On Jan 04, 2021 |
yungmin:nope! I’m only a staad and etabs person This is prota structures https://www.youtube.com/watch?v=hVOHn6ok0uU |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 9:03am On Jan 05, 2021 |
Bringing out steel design calculation sheet in staad pro connect edition https://www.youtube.com/watch?v=Sn840I3xENY |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by Keraz(m): 7:43pm On Jan 05, 2021 |
Hi Hakeem I have installed Staad pro CE update 4 But the physical modeler does not work Please can you help me to fix the problem Greetings |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 8:20pm On Jan 05, 2021 |
Keraz:Can I see a picture of your error ? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 12:50pm On Jan 26, 2021 |
I have a steel problem o. I am designing a 30m truss and ending up with a very heavy angle section. Anyone have a way I can reduce it or get a more economic section? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by yungmin: 5:20pm On Jan 26, 2021 |
sconp: Why not change it to I or H beam? And also, try double angle or Channel section. And above all, I hope you used the required height for the truss? And more so, what type of truss? You should use a parallel chord truss for that span. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 6:31pm On Jan 26, 2021 |
sconp:use back to back angle (double angle) as yungmin suggested. Must it be a truss? Why don’t you try portal frame or linto roof style |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 7:18pm On Jan 26, 2021 |
yungmin: Can't use a H-Beam. I intend to use a double angle section like you posited. The truss is a sort of combination between warren and Pratt, see attached diagram (450mm and 1500mm). I would change truss type to parallel chord with required height and get back to you. Can a 75x75x6 double angle section replace a 150x150x10 single angle section theoretically? Doesn't seem to work that way on staad or I am probably not doing it right. Thanks. hakeem4: I intend to switch to portal frame as a last resort if I can't figure the truss out, someone who doesn't use staad thinks it's possible to get something far lower. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 7:28pm On Jan 26, 2021 |
sconp:30m span? try 2/90x90x6. ( I did not design it ooo) try and change all the compression bars to tension direction and they should reduce |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by yungmin: 9:25pm On Jan 26, 2021 |
sconp: Check the span / depth ratio to be very sure it is correct. Otherwise the members would continue to be very heavy. Pls reference truss design in the steel designers manual. Also explore portal frame system as suggested by @Hakeem. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 1:51am On Jan 27, 2021 |
sconp can you send me your model let me try |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 10:55am On Jan 27, 2021 |
yungmin: Thanks, yes I am referencing SDM. I'll appreciate if you can do justice to that question above on single and double angle sections. hakeem4: I'll do that thanks. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by yungmin: 12:16pm On Jan 27, 2021 |
Bro, that section is still quite small. I did a 40m span mansard truss sometime ago. The sizes I got for both top and bottom chords where L200x200x16. You know if you are to use parallel chord truss for this problem, your span/depth ratio should be in the range of 15 to 25. In other words, you need a minimum of 2meters depth of the truss. 1 Like 1 Share |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 1:17pm On Jan 27, 2021 |
sconp:Copy the command file and paste it here on NL |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 5:34pm On Jan 27, 2021 |
yungmin: In the analysis I did for this, the lowest section I could get was L150x150x15. I intend using span/depth ratio of 10-15 for the parallel chord truss I would do. What did you end up using for the mansard you did? sconp:This was the question I was referring to though. cc: yungmin hakeem4:I tried to post the command file but NL said it was too long. I have attached the model. I stripped it bare, no wind load. Loads were applied on the purlins, I have another model where I applied the loads nodally and that was the one that gave the least section(L150x150x15) I have gotten so far Thanks |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 10:17am On Jan 29, 2021 |
sconp:i just downloaded it let me work on it. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 7:46am On Jan 30, 2021 |
sconp did the architect restrict your truss depth? can you reconfigure your truss members so you do not have too many struts and ties? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 11:38am On Jan 30, 2021 |
hakeem4: Yes he did, though he has said I can go as high as 2m now. The struts spacing are to coincide with the purlins, max spacing 1.5m |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 12:11pm On Jan 30, 2021 |
sconp:There’s no law that restricts you for your purlin spacings. Try and increase the spacing the forces would reduce from my experience. but don’t make your purlins spacing exceed 2m from practical POV picture is a roof truss I design with 25m span. Purlins spacing of 2m
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Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 12:15am On Feb 01, 2021 |
hakeem4: Nice I will try that. Though at the moment 2L80x80x10 is able to take care of it. 1 Like |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 1:41am On Feb 01, 2021 |
sconp:well, great. If your client can afford it then no problem. I hope safety is paramount 1 Like |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 6:59pm On Feb 02, 2021 |
Meaning of utilisation ratio in steel design using staad pro connect edition v22 update 5 https://www.youtube.com/watch?v=Img5UWbgER8 4 Likes |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by feeloscar(m): 5:19am On Feb 07, 2021 |
hakeem4:Good morning Engr, could you pls give me the download link of cads rc. feeloscar10@gmail.com is my email address. Thanks in advance. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 6:12am On Feb 07, 2021 |
feeloscar: I don’t think I have the setup anymore. I’d ask a friend next week |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by feeloscar(m): 8:25am On Feb 07, 2021 |
hakeem4:OK, thanks. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by feeloscar(m): 9:29pm On Feb 10, 2021 |
hakeem4:Good evening Engr, don't know if you have enquired from your friend about the cads rc? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 9:53pm On Feb 10, 2021 |
feeloscar:he has also deleted it from his drive. I’d try to look for people who have 1 Like |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by feeloscar(m): 10:19pm On Feb 10, 2021 |
hakeem4:OK, thanks. |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by sconp: 12:09am On Feb 12, 2021 |
hakeem4: You are on update 5 already? |
Re: STAAD PRO Connect Edition & ETABS Tutorials- for Structural Engineers in Nigeria by hakeem4(m): 5:29am On Feb 12, 2021 |
sconp:yeah! Not much difference. Just Chinese steel design module and design of water retaining structures on rcdc. Then cloud analysis https://downloadly.ir/software/engineering-specialized/bentley-staad-1/ 1 Like |
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