Study on the Performance of Polyurea Anti-Seepage Spray Coating for Hydraulic Structures

The surfaces of hydraulic structures are vulnerable to damage and cracking, which can result in high-pressure reservoir water entering cracks endangering the safety structures. Therefore, it is necessary strengthen anti-seepage treatment protection on In this paper, we explore tensile high-water-pressure breakdown resistance properties polyurea coating material. To do so, independently designed manufactured a test device for coating. Our experimental results indicated that thickness decreased with an increase elongation. Furthermore, found was related bottom free section width. We then fitted stress–strain curve obtained from using Ogden constitutive model. Based this, numerically simulated performance finite element software ABAQUS 2022. relationships among maximum displacement, width, under high pressure. numerical findings vertical displacement midpoint increased linearly width case same pressure load. Conversely, increasing thickness.