Table 7: The effect of a hollow ration on the strength of double skin concrete-filled uPVC tube specimens.
|
Internal Tube |
|
Ext. Tube |
|
|
|
|
|
Label |
t1
|
D1
|
d |
t |
D |
h |
h/D |
D/h |
(D-d)/D |
Strength (MPa) |
C3P3H1 |
0 |
0 |
0 |
|
3 |
110 |
220 |
2 |
0 |
1 |
26.99 |
C3P4H1 |
0 |
0 |
0 |
|
3 |
140 |
280 |
2 |
0 |
1 |
24.57 |
C3P3H2 |
0 |
0 |
0 |
|
3 |
110 |
440 |
4 |
0 |
1 |
24.59 |
C3P3H3 |
0 |
0 |
0 |
|
3 |
110 |
660 |
6 |
0 |
1 |
23.15 |
C3P3H4 |
0 |
0 |
0 |
|
3 |
110 |
880 |
8 |
0 |
1 |
20.98 |
C3D1H1 |
3 |
63 |
57 |
|
3 |
110 |
220 |
2 |
0.52 |
0.48 |
22.27 |
C3D2H1 |
3 |
75 |
69 |
|
3 |
140 |
280 |
2 |
0.49 |
0.51 |
22.29 |
C3D3H1 |
3 |
63 |
57 |
|
3 |
140 |
280 |
2 |
0.41 |
0.59 |
23.49 |
C3D1H2 |
3 |
63 |
57 |
|
3 |
110 |
440 |
4 |
0.52 |
0.48 |
20.14 |
C3D1H3 |
3 |
63 |
57 |
|
3 |
110 |
660 |
6 |
0.52 |
0.48 |
18.37 |
C3D3H2 |
3 |
63 |
57 |
|
3 |
140 |
560 |
4 |
0.41 |
0.59 |
20.71 |
C3D3H3 |
3 |
63 |
57 |
|
3 |
140 |
840 |
6 |
0.41 |
0.59 |
18.43 |