000019698 001__ 19698
000019698 005__ 20170118182332.0
000019698 04107 $$aeng
000019698 046__ $$k2017-01-09
000019698 100__ $$aRai, Durgesh
000019698 24500 $$aExperimental Evaluation of Aluminium Core Buckling Restrained Knee Braced Truss Moment Frame Under Cyclic Loads

000019698 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000019698 260__ $$b
000019698 506__ $$arestricted
000019698 520__ $$2eng$$aBuckling Restrained Braces (BRBs) offer robust cyclic performance and significant cost savings, compared to conventional bracing systems. These braces are becoming increasingly popular alternative to conventional bracing system in high seismic regions due to their ability to yield both in tension and compression. Buckling Restrained Knee Braced-Truss Moment Frames (BRKB-TMFs) are relatively new structural systems which utilize the advantages of both BRBs and TMFs. Experimental study was performed on scaled subassembly of a four-story four-bay BRKB-TMF frame. BRKB-TMF frame was designed using Performance Based Plastic Design (PBPD) method with pre-selected target drift and yield mechanism as key performance indicators. PBPD method ensures controlled distribution of inelastic activity throughout the structure by predefining Designated Yielding Members (DYMs) during the initial design process. These DYMs are designed to dissipate seismic input energy and all other frame members are designed to remain elastic under earthquake excitations. The use of annealed aluminum as a suitable BRB core material was explored. Quasi static cyclic tests were performed on a 1:3 reduced scale model of the BRKB-TMF sub-assemblage according to the provisions of FEMA 461 (2007). The application of BRB with annealed aluminum core significantly enhanced the energy dissipation capacity of the TMF. The BRB performed very satisfactorily and acted like a fuse for the frame by bearing all inelastic deformations. The study frame could successfully meet the 3% target drift imposed by MCE hazard level. The test assembly could even sustain two cycles of 3.75% lateral drift without any considerable damage to primary truss members.

000019698 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000019698 653__ $$aAluminum Core; Buckling Restrained Brace; Truss Moment Frame; Performance Based Plastic Design

000019698 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000019698 720__ $$aRai, Durgesh$$iChhabra, Jaskanwal
000019698 8560_ $$ffischerc@itam.cas.cz
000019698 8564_ $$s2898660$$uhttps://invenio.itam.cas.cz/record/19698/files/4198.pdf$$yOriginal version of the author's contribution as presented on USB, paper 4198.
000019698 962__ $$r16048
000019698 980__ $$aPAPER