Tie rod detailing cross section of tunnel

A tie rod or tie bar (also known as a hanger rod if vertical) is a slender structural unit used as a tie and (in most applications) capable of carrying tensile loads only. It is any rod or bar-shaped structural member designed to prevent the separation of two parts. In this 25mm diameter tie rods are used. In vertical distance between two tie rods are 750mm c/c. In horizontal distance between two tie rods are 600mm c/c. there were base plate and base concrete details are also given. for more details and information download drawing file.