Analysis and modelling of the seismic behaviour of high ... - Ingegneria

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INDEX iii 4.10.3 Results of the PsD test n° 2 ........................................................................163 4.10.4 Results of the PsD test n° 3 ........................................................................165 4.10.5 Results of the PsD test n° 4 ........................................................................167 4.10.6 Results of the cyclic test .............................................................................167 4.11 CONCLUSIONS.....................................................................................................170 4.12 REFERENCES .......................................................................................................171 5 SEISMIC BEHAVIOUR OF RC COLUMNS EMBEDDING STEEL PROFILES ..... 174 5.1 INTRODUCTION ...................................................................................................174 5.2 THE INERD PROJECT..........................................................................................175 5.3 DESCRIPTION OF THE PROTOTYPE STRUCTURE....................................................179 5.3.1 Materials and mechanical properties.........................................................179 5.3.2 Load combinations.....................................................................................181 5.3.3 3D frame modelling....................................................................................184 5.3.4 Design of the reinforced concrete columns................................................187 5.3.5 Design of the fully encased composite columns .........................................190 5.4 DESIGN OF BEAM-TO-COLUMN JOINTS ................................................................196 5.4.1 Strength of the Inner Elements ...................................................................197 5.4.2 Strength of the Outer Elements ..................................................................202 5.5 THE EXPERIMENTAL TEST PROGRAMME ..............................................................208 5.5.1 Design of the reduced section of the specimen to be tested........................208 5.5.2 Test set-up and test programme .................................................................211 5.5.3 Global test instrumentation........................................................................213 5.5.4 Local test instrumentation..........................................................................214 5.5.5 Test procedure and loading history............................................................216 5.6 RESULTS OF THE TESTS .......................................................................................222 5.6.1 RCT5 Specimen ..........................................................................................222 5.6.2 COT9-COT10 Specimens ...........................................................................223 5.6.3 COT11-COT12 Specimens .........................................................................227 5.6.4 Comparison of the experimental results and comments.............................227 5.7 NUMERICAL ANALYSES AND VALIDATION OF THE MECHANISMS.........................230 5.7.1 FE Model of the specimens ........................................................................230 5.7.2 Steel web panel shear mechanism verification...........................................232 5.7.3 Concrete compression strut mechanism verification..................................235 5.7.4 Concrete compression field mechanism verification..................................237 5.7.5 Calibration of the mechanisms...................................................................238 5.8 CONCLUSIONS.....................................................................................................240 5.9 REFERENCES .......................................................................................................242
iv INDEX 6 SUMMARY, CONCLUSIONS AND FUTURE PERSPECTIVES.................................244 6.1 SUMMARY.......................................................................................................... 244 6.2 CONCLUSIONS AND FUTURE PERSPECTIVES ........................................................ 245 6.2.1 Seismic behaviour of bolted end plate beam-to-column steel joints.......... 245 6.2.2 Seismic response of partial-strength composite joints .............................. 247 6.2.3 Seismic behaviour of RC columns embedding steel profiles ..................... 248
Page 1 and 2: Dipartimento di Ingegneria Meccanic
Page 3 and 4: UNIVERSITÀ DEGLI STUDI DI TRENTO D
Page 6: Ai miei genitori
Page 10 and 11: INDEX 1 INTRODUCTION...............
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6. SUMMARY, CONCLUSIONS AND FUTURE
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