POSITIONING DEVICE IN A SINKING TUNNEL SECTION, TO POSITION A SINKING TUNNEL SECTION

摘要

PURPOSE: A positioning device in a sinking tunnel section is provided to reduce time and costs required for connecting tunnel sections.;CONSTITUTION: A positioning device in a sinking tunnel section comprises a frame(1). The frame has two vertical extended legs(2). The top ends of the vertical extended legs are connected each other using horizontal extended beams(3). The vertical extended legs are extended from the outer sides of two horizontal surfaces of a tunnel section(5). The horizontal extended beams are extended from a roof(6) of the tunnel section.;COPYRIGHT KIPO 2011