【 中文摘要 】本发明提供的一种摩擦耗能装置及自复位式摩擦延性分体柱，包括耗能壳体，以及设在其内部的弹性复位结构和滑动轴；所述弹性复位结构设置在耗能壳体中，弹性复位结构和耗能壳体之间填充橡胶，滑动轴水平设置在弹性复位结构中，并能够在弹性复位结构中滑移。该摩擦耗能装置增大分体延性，提高柱体侧向变形能力，能够及时耗散地震能量，避免柱体受剪破坏，增大地下空间柱体的安全性，且该摩擦耗能装置在震后能自行复位，使用寿命较长。该发明减震效果好，原理明确，设计简单，易于生产和安装，后期养护既可行又方便操作，可在地下结构工程中推广应用。

【 英文摘要 】The invention provides a friction energy dissipation device and a self-reset friction ductility split column. The friction energy dissipation device comprises an energy dissipation shell, an elastic reset structure and a sliding shaft, wherein the elastic reset structure and the sliding shaft are arranged in the energy dissipation shell; The elastic reset structure is arranged in the energy dissipation shell, rubber is filled between the elastic reset structure and the energy dissipation shell, and the sliding shaft is horizontally arranged in the elastic reset structure and can slide in the elastic reset structure. The friction energy dissipation device increases the split ductility, improves the lateral deformation capacity of the cylinder, can timely dissipate seismic energy, prevents the cylinder from being damaged by shearing, and increases the safety of the cylinder in an underground space; and the friction energy dissipation device can automatically reset after an earthquake, so that the service life of the friction energy dissipation device is longer. The invention has the advantages of good damping effect, clear principle, simple design, easy production and installation, feasible later maintenance and convenient operation, and can be popularized and applied in underground structural engineering.

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