摩(mo)擦(ca)滑移(yi)隔(ge)震(zhen)(zhen)是開發(fa)應(ying)用(yong)(yong)較早(zao)的(de)(de)隔(ge)振技術(shu)之一，所用(yong)(yong)的(de)(de)摩(mo)擦(ca)材料(liao)多(duo)為(wei)沙(sha)石(shi)、石(shi)墨(mo)等廉價材料(liao)，標記經濟且簡(jian)單易行。摩(mo)擦(ca)滑移(yi)隔(ge)震(zhen)(zhen)系(xi)統(tong)通常有隔(ge)離(li)地(di)震(zhen)(zhen)作用(yong)(yong)的(de)(de)摩(mo)擦(ca)滑動(dong)機(ji)(ji)構和限(xian)位復(fu)(fu)位的(de)(de)阻尼(ni)向心(xin)機(ji)(ji)構組成，多(duo)為(wei)平(ping)面(mian)滑移(yi)隔(ge)震(zhen)(zhen)系(xi)統(tong)。該系(xi)統(tong)不(bu)能(neng)(neng)(neng)(neng)自(zi)動(dong)復(fu)(fu)位，一般需要另(ling)外加設復(fu)(fu)位裝置(zhi)，且滑動(dong)性能(neng)(neng)(neng)(neng)離(li)散性大(da)、不(bu)易控制(zhi)，滑移(yi)量過(guo)大(da)可能(neng)(neng)(neng)(neng)導致穿越隔(ge)震(zhen)(zhen)層的(de)(de)非結(jie)構構件破壞(huai)，甚至(zhi)可能(neng)(neng)(neng)(neng)發(fa)生(sheng)滑移(yi)失穩(wen)(wen)，這極大(da)地(di)阻礙了(le)滑移(yi)隔(ge)震(zhen)(zhen)的(de)(de)發(fa)展。為(wei)了(le)解決(jue)平(ping)面(mian)滑移(yi)系(xi)統(tong)不(bu)能(neng)(neng)(neng)(neng)自(zi)動(dong)復(fu)(fu)位問題，Zayas等于1985年(nian)在美國加州大(da)學(xue)伯克利分(fen)校研發(fa)了(le)摩(mo)擦(ca)擺隔(ge)震(zhen)(zhen)裝置(zhi)，稱(cheng)之為(wei)摩(mo)擦(ca)擺系(xi)統(tong)/支座(Friction Pendilum System/Bearing,簡(jian)稱(cheng)FPS/FPB)。該裝置(zhi)不(bu)僅具(ju)有平(ping)面(mian)滑移(yi)隔(ge)震(zhen)(zhen)裝置(zhi)的(de)(de)對地(di)震(zhen)(zhen)激勵(li)頻率范圍的(de)(de)低敏(min)感性和高穩(wen)(wen)定(ding)性，特有的(de)(de)圓弧(hu)滑動(dong)面(mian)還使其(qi)具(ju)有復(fu)(fu)位功能(neng)(neng)(neng)(neng)，無需附設阻尼(ni)向心(xin)機(ji)(ji)構，故(gu)而在實際應(ying)用(yong)(yong)中更為(wei)簡(jian)便，且增加了(le)隔(ge)震(zhen)(zhen)裝置(zhi)的(de)(de)可靠(kao)度(du)。
摩(mo)(mo)擦擺(bai)(bai)隔(ge)震支(zhi)(zhi)座(zuo)(zuo)(zuo)是將傳統的(de)(de)平面(mian)(mian)滑(hua)(hua)(hua)移(yi)隔(ge)震裝置的(de)(de)摩(mo)(mo)擦滑(hua)(hua)(hua)移(yi)面(mian)(mian)由平面(mian)(mian)改為球面(mian)(mian)，從(cong)而(er)可(ke)依靠(kao)自(zi)身重力自(zi)動(dong)(dong)(dong)(dong)回復。該支(zhi)(zhi)座(zuo)(zuo)(zuo)主要(yao)由上(shang)、下支(zhi)(zhi)座(zuo)(zuo)(zuo)板(ban)和一個鉸接滑(hua)(hua)(hua)塊組成。摩(mo)(mo)擦擺(bai)(bai)隔(ge)震支(zhi)(zhi)座(zuo)(zuo)(zuo)嵌在滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)容腔中的(de)(de)鉸接滑(hua)(hua)(hua)塊與滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)面(mian)(mian)具有(you)相同的(de)(de)曲(qu)率半(ban)徑(jing)，可(ke)與滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)面(mian)(mian)完全(quan)貼(tie)合，并使(shi)(shi)上(shang)支(zhi)(zhi)座(zuo)(zuo)(zuo)在支(zhi)(zhi)座(zuo)(zuo)(zuo)滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)時始(shi)終保持水平。滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)面(mian)(mian)上(shang)涂(tu)有(you)低摩(mo)(mo)擦材料(liao)，如聚四氟乙(yi)烯（特氟龍）等(deng)，可(ke)在滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)過程中耗(hao)散能(neng)量。當(dang)滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)界面(mian)(mian)受(shou)到的(de)(de)地震作(zuo)用(yong)超過靜(jing)摩(mo)(mo)擦力時，地面(mian)(mian)水平運(yun)動(dong)(dong)(dong)(dong)會促使(shi)(shi)滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)在其圓弧面(mian)(mian)內滑(hua)(hua)(hua)動(dong)(dong)(dong)(dong)，從(cong)而(er)迫使(shi)(shi)上(shang)部結(jie)構(gou)輕微抬(tai)高，發(fa)生(sheng)單擺(bai)(bai)運(yun)動(dong)(dong)(dong)(dong)。然后(hou)，支(zhi)(zhi)座(zuo)(zuo)(zuo)會在自(zi)身受(shou)到的(de)(de)豎向荷載(zai)作(zuo)用(yong)下自(zi)動(dong)(dong)(dong)(dong)回復。
摩(mo)擦(ca)(ca)擺隔(ge)(ge)震(zhen)支(zhi)座(zuo)的(de)水(shui)平(ping)力為滑動面摩(mo)擦(ca)(ca)力和(he)上(shang)部結構(gou)沿滑道上(shang)升(sheng)產生的(de)恢復力的(de)合(he)力，而(er)提供的(de)恢復力使支(zhi)座(zuo)能依靠其承受的(de)重力自動往中心(xin)(xin)位(wei)置回復，使地震(zhen)響應得到控制，并且該(gai)支(zhi)座(zuo)的(de)剛度中心(xin)(xin)有自動與隔(ge)(ge)震(zhen)結構(gou)的(de)質心(xin)(xin)重合(he)的(de)趨勢，因(yin)而(er)能在更大 程度上(shang)消除結構(gou)的(de)扭轉運動。摩(mo)擦(ca)(ca)擺隔(ge)(ge)震(zhen)支(zhi)座(zuo)的(de)周期(qi)、豎向承載力、阻(zu)尼比、側重位(wei)移(yi)和(he)抗拉力等指(zhi)標可以進行(xing)(xing)單獨控制，該(gai)特性(xing)十分便于設計(ji)人(ren)員對隔(ge)(ge)震(zhen)系統(tong)進行(xing)(xing)優化設計(ji)。
