Balance Fatigue Design of Cast Steel Nodes in Tubular Steel Structures

<table>Principal stress contour of crack body <svg height="13.9625" id="M117" style="vertical-align:-1.3923pt" version="1.1" viewbox="0 0 15.525 13.9625" width="15.525" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M864 305q0 -169 -120.5 -288t-290.5 -119t-290.5 119t-120.5 288t120.5 288t290.5 119t290.5 -119t120.5 -288zM812 305q0 150 -105.5 256.5t-253.5 106.5t-253.5 -106.5t-105.5 -256.5t105.5 -256.5t253.5 -106.5t253.5 106.5t105.5 256.5zM567 268q0 -39 -32 -69
t-66.5 -42t-58.5 -12q-38 0 -63 18q-14 10 -10 27q3 11 16 21q9 6 19 -1q40 -30 70 -30q28 0 44.5 18t16.5 54q0 32 -21 48t-50 16q-16 0 -39 -7l-6 20q93 28 93 74q0 21 -13 33t-36 12q-40 0 -69 -47l-16 15l29 39q30 32 79 32q40 0 64.5 -20.5t24.5 -50.5q0 -22 -18 -38
t-41 -28v-2q39 -7 61 -28.5t22 -51.5z" id="x2462"></path></g>
</svg>.</table>

The Scientific World Journal

fig16

Figure 16

Figure 16: Balance Fatigue Design of Cast Steel Nodes in Tubular Steel Structures 