Ключевые слова:
Guard rails|Panels|Design calculations|Precast concrete|Retaining walls|Anchorages|Barriers|Loading|Movement joints|Crash barriers|Walls|Concretes|Safety devices|Protective barriers|Roads|Structural design|Designations|Bridges|Durability|Equations|Parapets|Design|End|Grades (quality)|Road safety|Height|Transportation safety