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Response Spectrum
SantoS
Dear All, I have questions about Response Spectrum Analysis since I'm new to this dynamic load. Q1. I want to analyze an existing building using Response Spectrum Analysis. The running process takes hours to analyze it. Could it be any mistake in…
Answered
over 9 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
STAAD Response Spectrum Questions
ESenturk
Hi, I am curious about a couple of things on the way STAAD handles response spectrum analysis, and below are my questions. I would be very glad if you can provide me some answers . I'm using build 20.07.05.15, by the way. Due to the client…
over 13 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Response Spectrum Analysis STAAD Pro - URGENT
Julian McMorris
My question is regarding carrying out a response spectrum analysis in STAAD Pro. This is what I have done so far. I have set up the model in kN and METERS units. I have allowed for the joint weights in the form of udl loads on the beams in all three…
over 13 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Stability Coefficient (Theta) for Response Spectrum Analysis
Chris Conrad
I recently received the following question from one of my colleagues: "In section 12.9.6 on page 132 of ASCE 7-05, it is mentioned that P-Delta Effects should be considered according to Section 12.8.7. But, the absolute (signless)…
over 14 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Dynamic Analysis
Kiel Supertramp
I am doing dynamic analysis for the first time and I hope someone can give me answers to the following questions 1. In Time History Definitions, Where can i find the parameters for Arrival Time and Damping dialog box. I only input it in STAAD editor…
Answered
over 10 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
RAM SS Dynamic modal analysis
jone@kga.cc
I am having problems running dynamic load cases on a large model. RAM Frame will successfully solve the static wind & seismic load cases including 100/30 orthogonal load effects, but when dynamic load cases are added it gets most of the way through the…
over 12 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
ANY IDEA ON HOW TO DEAL WITH THIS PROBLEM WHO APPEARED IN MY STAAD OUTPUT VIEWER?!WHAT IS "S4" ANYWAY?!
marvindmalicdem
*** STAAD.Pro ERROR *** A PROBLEM HAS BEEN ENCOUNTERED WHILE SOLVING FOR MODES (S4) *** ERRORS IN SOLVER ***
over 11 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Response spectrum analysis
Ramakumar Pechetty
dear sir, ********************************************************************************** DEFINE 1893 LOAD ZONE 0.1 RF 3 I 1 SS 2 ST 1 DM 0.05 **DL 1.0 SELFWEIGHT MEMBER WEIGHT 1 TO 20 46 TO 65 91 TO 110 136 TO 155 181 TO…
ramakumar-RSP-1.txt
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over 14 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
UNDERGROUND STRUCTURE ANALYSIS
vtello28
I am performing a dynamic analysis (Response Spectrum) for a Structure with 2 basement levels. I have some queries regarding the use of STAAD commands to model the soil - structure interaction. Results of static and dynamic analysis are…
over 13 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Re: Multiple Direction Time History Analysis in Staad.Pro V8i
Tapas Paul
I am also having the same problem. When i apply three time varying load on a single node in a single direction with time laps between them, then staad pro only gives results for the last time varying load applied to the node. so plz if someone is aware…
over 9 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Re: Member Load & Physical Member Load
R.Suhail
Hi, I am currently designing a 3D Steel Roof truss with response spectrum and other usual load types. I have few queries: 1) When we use response spectrum loading, why are we required to assign loads in all the three direction while response spectrum…
over 11 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Results of Response Spectrum
ASEC
I am doing a case study comparing the fundamental period of a 20-story reinforced concrete building with dual system in both directions and compared the results from SAP 2000 and Midas Gen. The reference building is from the book of SK Ghosh Seismic Design…
over 11 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
Seismic Loads Produced STAAD.Pro with Response Spectrum
DZ
When seismic loads produced STAAD.Pro with response spectrum, the vertical seismic produced by overturning moment from horizontal seismic force at support reaction are always one direction, and only get positive value. Obviously, in a space frame, not…
over 11 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
RAM SS response spectrum S.F. & frame shear force difference.
joon lee
Hi, I have two questions. 1) RAM SS has response spectra input window and I need to input X and Y Scale factor(default =1.0). Should I input I(importance f)/R there as starting point? or I/R is already reflected? In other words, 1.0 is ok to…
Answered
over 10 years ago
RAM | STAAD | ADINA
RAM | STAAD Forum
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