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)

IndexSectionfcu (MPa)fy (MPa)ξFiber (%)Nu (kN)

1100 × 4.5 × 200141.52100.4342.002178
2100 × 4.5 × 200141.52100.4340.002070
3100 × 4.5 × 200141.52100.4342.002121
4125 × 1 × 438155.42500.0570.001700
5125 × 1 × 438155.42500.0570.002000
6125 × 1 × 438155.42500.0570.001840
7127 × 2 × 445155.42450.1130.001930
8127 × 2 × 445155.42450.1130.001790
9127 × 2 × 445155.42450.1130.001850
10133 × 3.5 × 465155.42890.2310.002420
11133 × 3.5 × 465155.42890.2310.002360
12133 × 3.5 × 465155.42890.2310.002490
13133 × 5 × 465155.43190.3780.002450
14133 × 5 × 465155.43190.3780.002480
15133 × 5 × 465155.43190.3780.002350
16133 × 3.5 × 465167.12890.2210.002180
17133 × 3.5 × 465167.12890.2210.002480
18133 × 3.5 × 465167.12890.2210.002440
19133 × 3.5 × 400167.12890.2210.002430
20133 × 3.5 × 400167.12890.2210.002500
21133 × 3.5 × 400167.12890.2210.002565
22102 × 1 × 3241483280.1010.001310
23102 × 1 × 3241723280.0881.201335
24104 × 2 × 4161723280.1781.201463
25104 × 2 × 4161723280.1781.201486
26106 × 3 × 3781723280.271.201780
27106 × 3 × 3781723280.271.201853
28106 × 3 × 3781723280.271.201760
29121 × 5 × 4841723500.4391.202608
30121 × 5 × 4841723500.4391.202576
31121 × 5 × 4841723500.4391.202612
32128 × 2 × 4661723150.1381.202256
33128 × 2 × 4661723150.1381.202228
34128 × 2 × 4661723150.1381.202218
35128 × 2 × 4661723150.1381.202224
36128 × 2 × 4661483150.1580.002190
37128 × 2 × 4661483150.1580.002213
38130 × 3 × 4551723150.2081.202496
39130 × 3 × 4551723150.2081.202510
40130 × 3 × 4551723150.2081.202523
41130 × 3 × 4551723150.2081.202508
42130 × 3 × 4551723150.2081.202489
43130 × 3 × 4551723150.2081.202467
44133 × 3 × 400122.42900.2570.002000
45133 × 3 × 400122.42900.2570.002005
46133 × 3 × 400172.22900.1820.002300
47133 × 3 × 400172.22900.1820.002350
48133 × 4.5 × 400122.43180.4390.002250
49133 × 4.5 × 400122.43180.4390.002200
50133 × 4.5 × 400172.23180.3110.002700
51133 × 4.5 × 400172.23180.3110.002750
52133 × 6.5 × 400122.43180.6660.002300
53133 × 6.5 × 400122.43180.6660.002350
54133 × 6.5 × 400172.23180.4720.002950
55133 × 6.5 × 400172.23180.4720.002950
56133 × 8.5 × 400122.42900.8370.002500
57133 × 8.5 × 400122.42900.8370.002550
58133 × 8.5 × 400172.22900.5920.002950
59133 × 8.5 × 400172.22900.5920.002960
60133 × 10 × 400122.43761.3290.003200
61133 × 10 × 400122.43761.3290.003100
62133 × 10 × 400172.23760.9410.003450
63133 × 10 × 400172.23760.9410.003450
64133 × 12 × 400172.23361.0670.003500
65133 × 12 × 400172.23361.0670.003650
66110 × 5 × 300133.93100.5620.001580
67113 × 6.5 × 300133.93210.7680.002076
68113 × 6.5 × 300133.93210.7680.002048
69110 × 5 × 300125.53100.5520.501620
70110 × 5 × 300125.53100.5520.501621
71110 × 5 × 300125.53200.570.501645
72110 × 5 × 300125.53200.570.501709
73110 × 5 × 300125.53200.570.501655
74113 × 6.5 × 300125.53210.7540.502096
75113 × 6.5 × 300125.53210.7540.502172
76113 × 6.5 × 3001633210.650.002379
77113 × 6.5 × 3001633210.650.002415
78108 × 6 × 3001703910.721.002141
79108 × 6 × 3001703910.721.002146
80110 × 5 × 300178.23200.4642.001693
81110 × 5 × 300178.23200.4642.001641
82110 × 5 × 300178.23200.4642.001734
83110 × 5 × 300125.53100.5520.501789
84110 × 5 × 300125.53100.5520.501730
85110 × 5 × 300125.53200.570.501865
86110 × 5 × 300125.53200.570.501745
87110 × 5 × 300178.23200.4642.001886
88110 × 5 × 300178.23200.4642.001745
89110 × 5 × 300133.93100.5620.001789
90110 × 5 × 300125.53100.5520.501760
91110 × 5 × 300125.53100.5520.501780
92108 × 6 × 3001703910.721.002127
93108 × 6 × 3001703910.721.002170
94108 × 6 × 3001703910.721.002034
95108 × 6 × 3001703910.721.002090
96152 × 5 × 50087.43140.5950.002704
97152 × 5 × 50087.43140.5950.002679
98152 × 5 × 50087.43140.5950.002799
99152 × 5 × 50076.63140.6390.002287
100152 × 5 × 50076.63140.6390.002306
101121 × 6 × 45085.43160.9790.001907
102121 × 6 × 45085.43160.9790.001902
103102 × 4 × 45085.42910.6890.001183
104102 × 4 × 45085.42910.6890.001140
105152 × 5 × 45085.43220.6250.002833
106152 × 5 × 45085.43220.6250.003057
107121 × 6 × 450113.63160.7340.002165
108121 × 6 × 450113.63160.7340.002173
109102 × 4 × 450113.62910.5170.001326
110102 × 4 × 450113.62910.5170.001275
111152 × 5 × 450113.63220.4690.002961
112152 × 5 × 450113.63220.4690.002870
113133 × 4.5 × 40096.83510.6210.001817
114133 × 4.5 × 40096.83510.6210.001814
115133 × 4.5 × 40096.83510.6210.001837
116133 × 4.5 × 40096.83510.6210.001843
117133 × 6 × 40096.83300.8080.002039
118133 × 6 × 40096.83300.8080.002128
119133 × 6 × 40096.63300.8080.001966
120133 × 6 × 40096.63300.8080.001978
121133 × 8 × 40096.63381.1620.002550
122133 × 8 × 40096.63381.1620.002552
123133 × 8 × 40096.63381.1620.002430
124133 × 8 × 40096.63381.1620.002512
125133 × 10 × 40096.83131.4190.002890
126133 × 10 × 40096.83131.4190.002894
127133 × 10 × 40096.83131.4190.002583
128133 × 10 × 40096.83131.4190.002510
129133 × 12 × 40096.84022.3120.003374
130133 × 12 × 40096.84022.3120.003396
131133 × 12 × 40096.64022.3120.003260
132133 × 12 × 40096.64022.3120.003262
133219 × 8 × 6571184500.7372.006569
134219 × 10 × 6571184300.9082.007095
135219 × 12 × 6571183750.982.007318
136245 × 8 × 7351184250.6152.007747
137245 × 12 × 7351183830.8772.008761
138273 × 8 × 8191184120.5292.009211
139273 × 10 × 8191183800.6252.009666