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Hi mates, I´m trying to handle Plscadd lite with a simple example, but many doubts arise to me. I would like to simulate double circuit line (#rail) and two ground wires (3 NO. 6 ALUMOWELD) in 300 meters of span. I have to define weather case and tension for #rail and WC/Tension for ground...

I have some questions about this software. One of them is based on the function for Automatic Spotting. Method 1- Basic Allowable Spans Method. You have to define a list of structures, weather cases, conductor.The weight span and the wind span should be defined for each structure, but this...

Discuss about PLS-CADD. Please write your comments about this software. I´m trying to handle this program. It´s a very powerful tool to design overhead transmission line. It could be very helpful. Thanks

Does anybody know the best way to contact to ASCE? I have some questions about ASCE 10-97, i have tried to send an email to ASCE.org and STRUCTURAL ENGINEERING INSTITUTE, but i have not recieved any answer. Thanks

I´ve found the machinery to bend 90º equal angles to 60º. It´s very old, but i need more information about it. Regarding the last post, i think the best way to check this structures is to do it manually, with the data base from MSTower or Risa...

I have download a Demo Version of RISA Tower, and there available a data base of every kind of angles. But I´m not used in designing with this software. For example, Mstower has a function to "Schifflerize" 90º Angles, but it doesn´t check members properly by ASCE 10-97 and EIA 222-F code. I...

One of the problems I´ve found is that there´s no information on internet based in this kind of angles. I usually design tower structures with Mstower and PLS TOWER, and will ask them for a solution. Geometric properties has changed compared to 90º equal angles, rx and ry are axes parallel to...

I´m trying to evaluate this structures with Mstower and Tower, but I have to prepare the data base for Tower. By the way, does any steel manufacturer provide 60º angle member, or in contrast, should i buy a machine to bent this angles??? Thank you

Does anybody know anything about Schifflerized Angles??? Latticed triangular base steel towers have been used as communication structures. The legs of these towers generally consist of "schifflerized" angles (90º equal leg angles bent to 60º)

I have been studying EIA-222-G (LRFD), i have found many similiarities between LRFD and ASCE 10-97 in terms of how to calculate Design Stress for Compression Members. Could you tell me why do you apply overloads to the loads, and then design up to a Phi Factors (0,85 or 0,9). As you told me, are...

I have questions about ASCE 10-97 and Transmission Towers. Today, I have been reading AISC ASD and AISC LRFD, what is the main difference between them??? Because I have heart that for Overhead Transmission Towers with Pipe Sections you have to check them by ASD code. Thank you.

I used to design Angle Lattice Tower for Overhead Transmission Line and check them by ASCE 10-97 Code. But right now, i would like to design Triangular Telecom Tower with Pipe Sections. I have read EIA/TIA 222, but there´s nothing regarding Pipe Sections. I used to handle PLS TOWER, MSTOWER and...

I´m trying to design Triangular Lattice tower for Communications with Circular Hollow Sections or Pipe Sections. I would like to know if ASCE 10-97 is the right code to check this kind of structure. I used to design transmission tower with this code, but there´s no reference to Pipe Sections(3.7...

Thank you for your response,but I am looking for Overhead Transmission Line Towers Manufacturers, many of the list are tubular pole manufacturer for Communication. For Example SAE Towers is one of the Most Important Manufacturer all over the world, but I think, there will be more manufacturer in...

I am Industrial Engineer and I would like to know where can i find a list or directory of the main manufacturer of transmission Tower in USA. It is very difficult to find Tower Manufacturer in google. I have a list from India, Turkey, China, but i need to know in USA and Canadá. Does anybody...