Analysis and modelling of the seismic behaviour of high ... - Ingegneria
Analysis and modelling of the seismic behaviour of high ... - Ingegneria
Analysis and modelling of the seismic behaviour of high ... - Ingegneria
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
ii<br />
INDEX<br />
3.3 SEMI-RIGID PARTIAL-STRENGTH EXTENDED END PLATE CONNECTION ................. 44<br />
3.4 THE EXPERIMENTAL PROGRAMME CARRIED OUT AT THE DIMS........................... 46<br />
3.4.1 Material properties...................................................................................... 50<br />
3.4.2 Fracture mechanics-based characterization ............................................... 51<br />
3.4.3 Testing equipment <strong>and</strong> measuring apparatus.............................................. 53<br />
3.4.4 Testing procedure........................................................................................ 56<br />
3.5 MAIN RESULTS AND PRELIMINARY SEISMIC ASSESSMENT .................................... 58<br />
3.5.1 Isolated Tee stubs ........................................................................................ 58<br />
3.5.2 Coupled Tee Stubs....................................................................................... 61<br />
3.5.3 Complete Joints ........................................................................................... 63<br />
3.6 VALIDATION OF THE COMPONENT METHOD.......................................................... 69<br />
3.7 NUMERICAL ANALYSIS......................................................................................... 75<br />
3.7.1 FE Models <strong>of</strong> <strong>the</strong> ITS connections............................................................... 75<br />
3.7.2 FE Models <strong>of</strong> <strong>the</strong> CJ specimens................................................................... 81<br />
3.7.3 Parametric analyses .................................................................................... 85<br />
3.8 CONCLUSIONS ...................................................................................................... 94<br />
3.9 REFERENCES ........................................................................................................ 96<br />
4 SEISMIC RESPONSE OF PARTIAL-STRENGTH COMPOSITE JOINTS ...............100<br />
4.1 INTRODUCTION................................................................................................... 100<br />
4.2 THE ECOLEADER-ECSC JOINT PROJECT............................................................. 101<br />
4.3 DESCRIPTION OF THE PROTOTYPE STRUCTURE ................................................... 102<br />
4.4 SEISMIC DESIGN OF THE PROTOTYPE STRUCTURE ............................................... 107<br />
4.5 SEISMIC DESIGN OF THE COMPOSITE JOINT ......................................................... 110<br />
4.5.1 Concrete slab resistance............................................................................ 111<br />
4.5.2 Column web panel shear resistance .......................................................... 115<br />
4.5.3 Joint rotational capacity evaluation.......................................................... 120<br />
4.6 MECHANICAL PROPERTIES OF MATERIALS.......................................................... 122<br />
4.7 SEISMIC PERFORMANCE EVALUATION FOR THE PROTOTYPE STRUCTURE............ 122<br />
4.8 CYCLIC TESTS OF FULL-SCALE COMPOSITE JOINT SUBASSEMBLAGES ................. 127<br />
4.8.1 Test set-up <strong>and</strong> procedure ......................................................................... 127<br />
4.8.2 Specimen <strong>behaviour</strong> <strong>and</strong> test results ......................................................... 130<br />
4.8.3 Validation <strong>of</strong> <strong>the</strong> analytical model............................................................. 136<br />
4.8.4 3D finite element (FE) model .................................................................... 142<br />
4.9 NUMERICAL ANALYSES OF THE PROTOTYPE STRUCTURE.................................... 150<br />
4.9.1 Pushover vs. incremental dynamic analysis results................................... 151<br />
4.10 PSEUDO-DYNAMIC TESTS ON THE PROTOTYPE STRUCTURE................................ 160<br />
4.10.1 Testing apparatus <strong>and</strong> instrumentation..................................................... 161<br />
4.10.2 Results <strong>of</strong> <strong>the</strong> PsD test n° 1........................................................................ 163