The ends of the channel of Fig. 1 lie on immovable supports. If all welds are of the same...

The ends of the channel of Fig. 1 lie on immovable supports. If all welds are of the same size, find the length of leg h of the fillet welds required to carry the given load. Use an E6010 electrode. Factor of safety is equal to 3. The beam is to be fixed at the ends by the welds.

Figure 1