Remedy for flame-cutting of steel beam
Remedy for flame-cutting of steel beam
(OP)
In my abscence, an equipment installer decided to flame-cut an 18 inch notch in the compression flange of W 10 steel beam at mid-span, including two (2) inches of the web. I am reluctant to strengthen the beam in the notched area by welding or bolting stiffeners or replacing the lost flange. The embrittlement of the steel in the notched area is of great concern and I lean toward a replacement of the beam. What is the extent of heat damaged area or embrittlement caused by flame cutting of structural steel?





RE: Remedy for flame-cutting of steel beam
If no vibration and non seismic, maybe any safe reinforcement scheme be valid.
HAZ extension for flame cut one site says be similar to welds. For aluminum welds 25 mm is suggested whilst being said be bigger relatively than in steel...except yo find better, think of 25 mm as well, on account of shapes being bigger.
RE: Remedy for flame-cutting of steel beam
The other, is to slap the equipment installer's hands, chain his wrists, and hang him from the beam for 24 hours to load test the beam. With the load test completed, conclude that the beam must be replaced due to some technical concept way beyond his understanding... i.e. the beam is broke!!
RE: Remedy for flame-cutting of steel beam
RE: Remedy for flame-cutting of steel beam
RE: Remedy for flame-cutting of steel beam
RE: Remedy for flame-cutting of steel beam
And, if you find something, it would be interesting to ascertaing how accurate one can be guessing.