More information on that methodology and its implementation can be found in the RAM Steel Beam manual. That methodology is retained in the program, for reference or comparison purposes. However, due to the advances mentioned previously, that methodology no longer adequately predicts the actual vibrational behavior of modern floors and, in fact, AISC recommends that that methodology no longer be used. Thomas Murray published by AISC nearly 30 years ago. Three distinct methodologies for the investigation of floor vibration in steel framed floors have been incorporated into the RAM Structural System.Ī traditional methodology has been implemented that is based on the Modified Reiher-Meister scale and on the work of Dr. It is vital that this serviceability condition be investigated and considered during design. ![]() With the increased use of lighter beam sizes and longer spans made possible by higher steel and material strengths and with larger, more open and more lightly load floor areas due to advances in office technology and utilization, the lighter sleeker floor systems are more susceptible to adverse vibrations than ever before. ![]() Current Revision posted to RAM | STAAD Wiki by Seth Guthrie on 7:33:47 PM
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