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A tie rod is a slender structural unit used as a tie and (in most applications) capable of carrying tensile loads only. == Subtypes and examples of applications == * In airplane structures, tie rods are sometimes used in the fuselage or wings. * Tie rods are often used in steel structures, such as bridges, industrial buildings, tanks, towers, and cranes. * Sometimes tie rods are retrofitted to bowing or subsiding masonry walls (brick, block, stone, etc.) to keep them from succumbing to lateral forces. * The rebar used in reinforced concrete is not referred to as a "tie rod", but it essentially performs some of the same tension-force-counteracting purposes that tie rods perform. * In automobiles, the ''tie rods'' are part of the steering mechanism. They differ from the archetypal tie rod by both pushing and pulling (operating in both tension and compression). In the UK, these items are generally referred to as ''track rods''. * In steam locomotives, a ''tie rod'' is a rod that connects several driving wheels to transmit the power from the connecting rod. * Tie rods known as ''sag rods'' are sometimes used in connection with purlins to take the component of the loads which is parallel to the roof. * The spokes of bicycle wheels are tie rods. *In ships, tie rods are bolts which keep the whole engine structure under compression. They provide for fatigue strength. They also provide for proper running gear alignment which prevents fretting. They help to reduce the bending stress being transmitted to the transverse girder. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tie rod」の詳細全文を読む スポンサード リンク
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