Concrete is widely used in all kinds of construction projects because of its advantages of easy materials, low cost and easy molding, and offshore construction is also one of them. However, with the continuous acceleration of Marine engineering projects, the corrosion of steel bars in the Marine environment has gradually emerged. The corrosion phenomenon of reinforced concrete structures has been the focus of research for a long time, and many structures will have a serious lack of durability in the later stage, which is often due to the lack of attention to durability in the early stage. Many scholars have found that the development of cracks has a certain relationship with the corrosion rate of steel bars, so the research basis can be predicted, if the corrosion environment can ensure that the components do not crack, you can avoid the corrosion of steel bars inside the components to a certain extent. Therefore, if the overall anti-seepage and anti-cracking properties of the material is selected to effectively prevent or reduce the cracking problem of the component, the service life of the component can be improved. Some studies have shown that the performance of concrete beams formed after adding fiber to concrete can be significantly improved compared with plain concrete beams. On the one hand, fiber can effectively control the cracks existing in the component, and at the same time, it can avoid the continuous evolution of cracks during the loading process, so that the brittleness of concrete is reduced, and the damage of the component is changed from brittleness to ductility. When steel fiber is incorporated into concrete, the water-cement ratio and permeability will be reduced, and the crack inhibition effect of steel fiber concrete in the Marine environment is obvious. After the incorporation of steel fiber, the carbonization rate and chloride ion diffusion rate are effectively inhibited, and the steel fiber is not easy to rust. The corrosion resistance of hydraulic structure can be greatly improved by adding steel fiber into Marine concrete. The advantage of PVA fiber is that it can effectively prevent the generation and development of microcracks in the structural members, but the tensile toughness of concrete doped with PVA fiber is poor. Some studies have shown that the stiffness parameters of ordinary concrete beams can be significantly improved by adding PVA-steel hybrid fiber into the beams. Some studies have shown that PVA-steel fiber mixing in pier concrete can significantly improve its shear strength and bearing capacity. Based on the research focus of PVA-steel hybrid fiber at home and abroad, the compressive strength and spliting-tensile strength of PVA-steel hybrid fiber concrete (PSFRC) and steel fiber concrete (SFRC) under seawater corrosion conditions are compared in this paper. The test results can provide reference for the concrete mix design of the corresponding Marine environment buildings.以上翻译结果来自有道神经网络翻译（YNMT）· 通用场景

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