The increasing development of hydropower projects has played a pivotal role in the development of the national economy. In the water delivery system of hydropower stations, steel bifurcated pipes are widely used. It is a space composed of cylindrical, conical or spherical combined thin shells and reinforcing members. The structure is made of steel plate rolling and welding.
According to its structural type, steel bifurcation can be divided into welt bifurcation, beam bifurcation, beamless bifurcation, spherical bifurcation, crescent-shaped internal reinforcement rib bifurcation, etc.