Seismic Design of Special Truss Moment Frame

چکیده مقاله

Structural engineers must find ways to design structure that will survive earthquake ground motion. In this particular case, this research project looked at steel buildings. The Special Truss Moment Frame (STMF) is a relative new type of steel structure system that is implemented in building to help dissipate energy induced by earthquake ground motion. The frames dissipate earthquake energy through ductile special segments located near the mid-span of truss girders. The inelastic behavior of the special segment, limits forces on all element outside the special segment, to the ultimate capacity of the middle (special) segment, thus enabling them to remain elastic buildings. The purpose of the STMF system is to give buildings a system that will help reduce damage and prevent collapse when earthquake hit. The drive to design a building with a STMF system is that they will be subjected to controlled damage. Building would repairable because damage would be confined only to the special segment. This is important because repair costs would be significantly reduced compared to conventional building design. The importance of this topic is that many lives would be saved because buildings would stand erect after an earthquake occurs.

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