The　conventional　tuned　liquid　damper　(TLD)　has　limitations　such　as　low　effective　damping　and　high　water　storage.　A　damping　net　and　sloped-bottom　tank　tuned　liquid　damper　(DNS-TLD)　was　proposed.　By　combining　the　sloped-bottom　tank　TLD　with　a　damping　net,　strengthening　liquid　sloshing　in　the　tank,　the　damping　ratio　was　enhanced　and　the　water　storage　was　reduced.　A　controlled　structural　mechanical　model　of　the　DNS-TLD　was　proposed　to　illustrate　its　damping　mechanism.　A　simple　method　for　estimating　the　total　equivalent　damping　ratio　of　the　DNS-TLD　was　presented.　The　damping　performance　of　additional　DNS-TLD　and　other　types　of　TLDs　was　compared　and　analyzed　through　shaking　table　test　of　single　steel　frame.　The　test　results　were　compared　with　numerical　simulation　results　to　further　verify　the　damping　laws　and　the　accuracy　of　the　calculation　method　that　can　predict　the　total　equivalent　damping　ratio　of　various　types　of　TLDs.　On　this　basis,　a　seismic　dynamic　time　analysis　was　carried　out　on　a　10-storey　reinforced　concrete　frame　structure　with　DNS-TLD　to　verify　the　effectiveness　of　DNS-TLD　on　the　seismic　damping　control　of　the　actual　structure.　The　results　of　both　shaking　table　tests　and　numerical　simulations　show　that　DNS-TLD　effectively　combines　the　advantages　of　sloped-bottom　tank　TLD　and　damping　net,　and　represents　better　damping　performance,　higher　damping　efficiency　and　greater　robustness　and　engineering　applicability　than　other　types　of　TLDs.　©　2024　Science　Press.　All　rights　reserved.