Selyutin Y. Corrosion resistance and durability of composite steel and concrete structures with fibrous-glass reinforcement

The thesis presents the results of researches of means and methods of primary and secondary protection of composite steel and concrete structures located in the environments of medium and high corrosiveness degrees. Systematisation of parameters of concrete, reinforced-concrete and steel structure corrosion conditions is carried out by limiting state normalized attributes for comparative estimation of corrosion resistance indices, durability and maintainability. The accelerated corrosion test procedure is developed for determination of service life of structural members of primary and secondary protection of composite steel and concrete structures. The engineering solutions of primary and secondary protection are developed providing for application of glass-, basalt-plastic reinforcements and polyester fiber-reinforced roll materials. Bench assessment tests of beam flexural members enabled to justify the increase of concrete crack-resistance parameters in case of glass-, basalt-plastic reinforcement application. The technical and economic parameters of reliability of the developed measures of primary and secondary protection of composite steel and concrete structures are presented accounting building facilities corrosion risk level.