Research Article

Response of RPC-Filled Circular Steel Tube Columns under Monotonic and Cyclic Axial Loading

Table 1

Summary of test parameters of columns.

GroupSpecimenD × t × L (mm)D/tξfy (MPa)fcu (MPa)Nue (kN)Nu1 (kN)Nu2 (kN)Nue/Nu1Nue/Nu2

Group-cc-219-8219 × 8 × 65727.40.744501186238562064011.110.97
c-219-10219 × 10 × 65721.90.914301186632593068521.120.97
c-219-12219 × 12 × 65718.30.983751187009590968791.181.02
c-245-8245 × 8 × 73530.60.624251187237664674881.090.97
c-245-12245 × 12 × 73520.40.883831188407719683211.171.01
c-273-10273 × 10 × 81927.30.633811189025817192431.100.98

Group-mm-219-8219 × 8 × 65727.40.744501186120562064011.100.96
m-219-10219 × 10 × 65721.90.914301186456593068521.090.94
m-219-12219 × 12 × 65718.30.983751186803590968791.150.99
m-245-8245 × 8 × 73530.60.624251187207664674881.080.96
m-245-12245 × 12 × 73520.40.883831187883719683211.090.95
m-273-8273 × 8 × 81934.10.534121188260792788441.040.93
m-273-10273 × 8 × 81927.30.633811188892817185831.091.04