Research Article
Experimental Study on Constant-Amplitude Fatigue Performance of Weld Toe in Steel Tube of Welded Hollow Spherical Joints in Grid Structures
Figure 9
Typical fatigue failure mode (stress amplitude = 170 MPa; stress ratio = 0). Left side (a), center (b), and right side (c) of the crack.
(a) |
(b) |
(c) |