Previous　studies　recognized　that　the　effects　of　pulse-like　ground　motions　not　only　depend　on　the　characteristics　of　the　velocity　pulse,　but　also　on　the　relationship　between　the　characteristics　of　the　velocity　pulse　and　the　dynamic　properties　of　the　structure.　In　practical　engineering,　ground　motions　matched　to　the　design　spectrum　are　generally　used　to　evaluate　the　seismic　response　of　structures.　However,　the　effects　on　the　structural　response　of　spectrum-matched　ground　motions　with　different　pulse　characteristics　are　not　clear.　For　this　issue,　15　pulse-like　records　and　15　non-pulse-like　records　are　selected　for　the　seismic　analysis　of　the　Pine　Flat　dam.　The　initial　step　involves　performing　nonlinear　seismic　analysis　of　the　Pine　Flat　dam　using　the　30　selected　ground　motions,　all　of　which　are　scaled　to　the　same　PGA.　Subsequently,　these　selected　ground　motions　are　modified　using　a　spectral　matching　method　to　align　with　a　specified　design　response　spectrum　while　retaining　their　main　characteristics,　and　the　nonlinear　seismic　analysis　of　the　dam　is　further　conducted.　This　study　reveals　that　when　considering　ground　motions　with　the　same　PGA,　pulse-like　ground　motions　pose　a　higher　risk　to　the　dam　compared　to　non-pulse-like　ground　motions.　Nevertheless,　following　the　spectral　matching　process,　the　dynamic　responses　of　the　Pine　Flat　dam　subject　to　pulse-like　and　non-pulse-like　ground　motions　show　no　significant　differences.　Finally,　based　on　the　results　of　this　study,　it　is　suggested　that　the　spectra　of　different　pulse　types　should　be　summarized　and　analyzed　independently　to　more　accurately　evaluate　the　impact　of　pulse-like　and　non-pulse-like　ground　motions　on　structral　response.