Research Article
Comparative Study on the Axial Compression and Bearing Capacity of Reactive Powder Concrete-Filled Circular Steel Tube
Table 1
The main parameters of the axial compression experiments of reactive powder concrete-filled steel tubes (RPCFTs)
| Index | Section | fcu (MPa) | fy (MPa) | ξ | Fiber (%) | Nu (kN) |
| 1 | 100 × 4.5 × 200 | 141.5 | 210 | 0.434 | 2.00 | 2178 | 2 | 100 × 4.5 × 200 | 141.5 | 210 | 0.434 | 0.00 | 2070 | 3 | 100 × 4.5 × 200 | 141.5 | 210 | 0.434 | 2.00 | 2121 | 4 | 125 × 1 × 438 | 155.4 | 250 | 0.057 | 0.00 | 1700 | 5 | 125 × 1 × 438 | 155.4 | 250 | 0.057 | 0.00 | 2000 | 6 | 125 × 1 × 438 | 155.4 | 250 | 0.057 | 0.00 | 1840 | 7 | 127 × 2 × 445 | 155.4 | 245 | 0.113 | 0.00 | 1930 | 8 | 127 × 2 × 445 | 155.4 | 245 | 0.113 | 0.00 | 1790 | 9 | 127 × 2 × 445 | 155.4 | 245 | 0.113 | 0.00 | 1850 | 10 | 133 × 3.5 × 465 | 155.4 | 289 | 0.231 | 0.00 | 2420 | 11 | 133 × 3.5 × 465 | 155.4 | 289 | 0.231 | 0.00 | 2360 | 12 | 133 × 3.5 × 465 | 155.4 | 289 | 0.231 | 0.00 | 2490 | 13 | 133 × 5 × 465 | 155.4 | 319 | 0.378 | 0.00 | 2450 | 14 | 133 × 5 × 465 | 155.4 | 319 | 0.378 | 0.00 | 2480 | 15 | 133 × 5 × 465 | 155.4 | 319 | 0.378 | 0.00 | 2350 | 16 | 133 × 3.5 × 465 | 167.1 | 289 | 0.221 | 0.00 | 2180 | 17 | 133 × 3.5 × 465 | 167.1 | 289 | 0.221 | 0.00 | 2480 | 18 | 133 × 3.5 × 465 | 167.1 | 289 | 0.221 | 0.00 | 2440 | 19 | 133 × 3.5 × 400 | 167.1 | 289 | 0.221 | 0.00 | 2430 | 20 | 133 × 3.5 × 400 | 167.1 | 289 | 0.221 | 0.00 | 2500 | 21 | 133 × 3.5 × 400 | 167.1 | 289 | 0.221 | 0.00 | 2565 | 22 | 102 × 1 × 324 | 148 | 328 | 0.101 | 0.00 | 1310 | 23 | 102 × 1 × 324 | 172 | 328 | 0.088 | 1.20 | 1335 | 24 | 104 × 2 × 416 | 172 | 328 | 0.178 | 1.20 | 1463 | 25 | 104 × 2 × 416 | 172 | 328 | 0.178 | 1.20 | 1486 | 26 | 106 × 3 × 378 | 172 | 328 | 0.27 | 1.20 | 1780 | 27 | 106 × 3 × 378 | 172 | 328 | 0.27 | 1.20 | 1853 | 28 | 106 × 3 × 378 | 172 | 328 | 0.27 | 1.20 | 1760 | 29 | 121 × 5 × 484 | 172 | 350 | 0.439 | 1.20 | 2608 | 30 | 121 × 5 × 484 | 172 | 350 | 0.439 | 1.20 | 2576 | 31 | 121 × 5 × 484 | 172 | 350 | 0.439 | 1.20 | 2612 | 32 | 128 × 2 × 466 | 172 | 315 | 0.138 | 1.20 | 2256 | 33 | 128 × 2 × 466 | 172 | 315 | 0.138 | 1.20 | 2228 | 34 | 128 × 2 × 466 | 172 | 315 | 0.138 | 1.20 | 2218 | 35 | 128 × 2 × 466 | 172 | 315 | 0.138 | 1.20 | 2224 | 36 | 128 × 2 × 466 | 148 | 315 | 0.158 | 0.00 | 2190 | 37 | 128 × 2 × 466 | 148 | 315 | 0.158 | 0.00 | 2213 | 38 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2496 | 39 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2510 | 40 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2523 | 41 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2508 | 42 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2489 | 43 | 130 × 3 × 455 | 172 | 315 | 0.208 | 1.20 | 2467 | 44 | 133 × 3 × 400 | 122.4 | 290 | 0.257 | 0.00 | 2000 | 45 | 133 × 3 × 400 | 122.4 | 290 | 0.257 | 0.00 | 2005 | 46 | 133 × 3 × 400 | 172.2 | 290 | 0.182 | 0.00 | 2300 | 47 | 133 × 3 × 400 | 172.2 | 290 | 0.182 | 0.00 | 2350 | 48 | 133 × 4.5 × 400 | 122.4 | 318 | 0.439 | 0.00 | 2250 | 49 | 133 × 4.5 × 400 | 122.4 | 318 | 0.439 | 0.00 | 2200 | 50 | 133 × 4.5 × 400 | 172.2 | 318 | 0.311 | 0.00 | 2700 | 51 | 133 × 4.5 × 400 | 172.2 | 318 | 0.311 | 0.00 | 2750 | 52 | 133 × 6.5 × 400 | 122.4 | 318 | 0.666 | 0.00 | 2300 | 53 | 133 × 6.5 × 400 | 122.4 | 318 | 0.666 | 0.00 | 2350 | 54 | 133 × 6.5 × 400 | 172.2 | 318 | 0.472 | 0.00 | 2950 | 55 | 133 × 6.5 × 400 | 172.2 | 318 | 0.472 | 0.00 | 2950 | 56 | 133 × 8.5 × 400 | 122.4 | 290 | 0.837 | 0.00 | 2500 | 57 | 133 × 8.5 × 400 | 122.4 | 290 | 0.837 | 0.00 | 2550 | 58 | 133 × 8.5 × 400 | 172.2 | 290 | 0.592 | 0.00 | 2950 | 59 | 133 × 8.5 × 400 | 172.2 | 290 | 0.592 | 0.00 | 2960 | 60 | 133 × 10 × 400 | 122.4 | 376 | 1.329 | 0.00 | 3200 | 61 | 133 × 10 × 400 | 122.4 | 376 | 1.329 | 0.00 | 3100 | 62 | 133 × 10 × 400 | 172.2 | 376 | 0.941 | 0.00 | 3450 | 63 | 133 × 10 × 400 | 172.2 | 376 | 0.941 | 0.00 | 3450 | 64 | 133 × 12 × 400 | 172.2 | 336 | 1.067 | 0.00 | 3500 | 65 | 133 × 12 × 400 | 172.2 | 336 | 1.067 | 0.00 | 3650 | 66 | 110 × 5 × 300 | 133.9 | 310 | 0.562 | 0.00 | 1580 | 67 | 113 × 6.5 × 300 | 133.9 | 321 | 0.768 | 0.00 | 2076 | 68 | 113 × 6.5 × 300 | 133.9 | 321 | 0.768 | 0.00 | 2048 | 69 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1620 | 70 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1621 | 71 | 110 × 5 × 300 | 125.5 | 320 | 0.57 | 0.50 | 1645 | 72 | 110 × 5 × 300 | 125.5 | 320 | 0.57 | 0.50 | 1709 | 73 | 110 × 5 × 300 | 125.5 | 320 | 0.57 | 0.50 | 1655 | 74 | 113 × 6.5 × 300 | 125.5 | 321 | 0.754 | 0.50 | 2096 | 75 | 113 × 6.5 × 300 | 125.5 | 321 | 0.754 | 0.50 | 2172 | 76 | 113 × 6.5 × 300 | 163 | 321 | 0.65 | 0.00 | 2379 | 77 | 113 × 6.5 × 300 | 163 | 321 | 0.65 | 0.00 | 2415 | 78 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2141 | 79 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2146 | 80 | 110 × 5 × 300 | 178.2 | 320 | 0.464 | 2.00 | 1693 | 81 | 110 × 5 × 300 | 178.2 | 320 | 0.464 | 2.00 | 1641 | 82 | 110 × 5 × 300 | 178.2 | 320 | 0.464 | 2.00 | 1734 | 83 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1789 | 84 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1730 | 85 | 110 × 5 × 300 | 125.5 | 320 | 0.57 | 0.50 | 1865 | 86 | 110 × 5 × 300 | 125.5 | 320 | 0.57 | 0.50 | 1745 | 87 | 110 × 5 × 300 | 178.2 | 320 | 0.464 | 2.00 | 1886 | 88 | 110 × 5 × 300 | 178.2 | 320 | 0.464 | 2.00 | 1745 | 89 | 110 × 5 × 300 | 133.9 | 310 | 0.562 | 0.00 | 1789 | 90 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1760 | 91 | 110 × 5 × 300 | 125.5 | 310 | 0.552 | 0.50 | 1780 | 92 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2127 | 93 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2170 | 94 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2034 | 95 | 108 × 6 × 300 | 170 | 391 | 0.72 | 1.00 | 2090 | 96 | 152 × 5 × 500 | 87.4 | 314 | 0.595 | 0.00 | 2704 | 97 | 152 × 5 × 500 | 87.4 | 314 | 0.595 | 0.00 | 2679 | 98 | 152 × 5 × 500 | 87.4 | 314 | 0.595 | 0.00 | 2799 | 99 | 152 × 5 × 500 | 76.6 | 314 | 0.639 | 0.00 | 2287 | 100 | 152 × 5 × 500 | 76.6 | 314 | 0.639 | 0.00 | 2306 | 101 | 121 × 6 × 450 | 85.4 | 316 | 0.979 | 0.00 | 1907 | 102 | 121 × 6 × 450 | 85.4 | 316 | 0.979 | 0.00 | 1902 | 103 | 102 × 4 × 450 | 85.4 | 291 | 0.689 | 0.00 | 1183 | 104 | 102 × 4 × 450 | 85.4 | 291 | 0.689 | 0.00 | 1140 | 105 | 152 × 5 × 450 | 85.4 | 322 | 0.625 | 0.00 | 2833 | 106 | 152 × 5 × 450 | 85.4 | 322 | 0.625 | 0.00 | 3057 | 107 | 121 × 6 × 450 | 113.6 | 316 | 0.734 | 0.00 | 2165 | 108 | 121 × 6 × 450 | 113.6 | 316 | 0.734 | 0.00 | 2173 | 109 | 102 × 4 × 450 | 113.6 | 291 | 0.517 | 0.00 | 1326 | 110 | 102 × 4 × 450 | 113.6 | 291 | 0.517 | 0.00 | 1275 | 111 | 152 × 5 × 450 | 113.6 | 322 | 0.469 | 0.00 | 2961 | 112 | 152 × 5 × 450 | 113.6 | 322 | 0.469 | 0.00 | 2870 | 113 | 133 × 4.5 × 400 | 96.8 | 351 | 0.621 | 0.00 | 1817 | 114 | 133 × 4.5 × 400 | 96.8 | 351 | 0.621 | 0.00 | 1814 | 115 | 133 × 4.5 × 400 | 96.8 | 351 | 0.621 | 0.00 | 1837 | 116 | 133 × 4.5 × 400 | 96.8 | 351 | 0.621 | 0.00 | 1843 | 117 | 133 × 6 × 400 | 96.8 | 330 | 0.808 | 0.00 | 2039 | 118 | 133 × 6 × 400 | 96.8 | 330 | 0.808 | 0.00 | 2128 | 119 | 133 × 6 × 400 | 96.6 | 330 | 0.808 | 0.00 | 1966 | 120 | 133 × 6 × 400 | 96.6 | 330 | 0.808 | 0.00 | 1978 | 121 | 133 × 8 × 400 | 96.6 | 338 | 1.162 | 0.00 | 2550 | 122 | 133 × 8 × 400 | 96.6 | 338 | 1.162 | 0.00 | 2552 | 123 | 133 × 8 × 400 | 96.6 | 338 | 1.162 | 0.00 | 2430 | 124 | 133 × 8 × 400 | 96.6 | 338 | 1.162 | 0.00 | 2512 | 125 | 133 × 10 × 400 | 96.8 | 313 | 1.419 | 0.00 | 2890 | 126 | 133 × 10 × 400 | 96.8 | 313 | 1.419 | 0.00 | 2894 | 127 | 133 × 10 × 400 | 96.8 | 313 | 1.419 | 0.00 | 2583 | 128 | 133 × 10 × 400 | 96.8 | 313 | 1.419 | 0.00 | 2510 | 129 | 133 × 12 × 400 | 96.8 | 402 | 2.312 | 0.00 | 3374 | 130 | 133 × 12 × 400 | 96.8 | 402 | 2.312 | 0.00 | 3396 | 131 | 133 × 12 × 400 | 96.6 | 402 | 2.312 | 0.00 | 3260 | 132 | 133 × 12 × 400 | 96.6 | 402 | 2.312 | 0.00 | 3262 | 133 | 219 × 8 × 657 | 118 | 450 | 0.737 | 2.00 | 6569 | 134 | 219 × 10 × 657 | 118 | 430 | 0.908 | 2.00 | 7095 | 135 | 219 × 12 × 657 | 118 | 375 | 0.98 | 2.00 | 7318 | 136 | 245 × 8 × 735 | 118 | 425 | 0.615 | 2.00 | 7747 | 137 | 245 × 12 × 735 | 118 | 383 | 0.877 | 2.00 | 8761 | 138 | 273 × 8 × 819 | 118 | 412 | 0.529 | 2.00 | 9211 | 139 | 273 × 10 × 819 | 118 | 380 | 0.625 | 2.00 | 9666 |
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