Isolation inoreva kuiswa kweiyo geosynthetics pakati pemageomaterials maviri akasiyana kudzivirira kusanganisa. Geotextiles ndiyo yekutanga insulation zvinhu zvesarudzo. Iwo makuru mabasa uye mashandisirwo minda ye geotextile isolation tekinoroji inosanganisira zvinotevera zvinhu:
(1) Mupurojekiti yenjanji, iyo geotextile yakaiswa pakati peiyo ballast neyakaomeswa nheyo ivhu; kuiswa kweiyo geotextile pakati peiyo coarse-grained roadbed uye iyo yakapfava ivhu yekuzadza hwaro ndiyo yakajairika nyaya ye geotextile isolation.
(2) Muinjiniya yemugwagwa mukuru, geotextiles anoiswa pakati peguva cushion layer uye yakapfava ivhu nheyo, kana pakati pemvura yegecha remvura uye nheyo yekuzadza kudzivirira kusanganiswa kwevhu rakakasharara uye rakatsetseka uye kuve nechokwadi kukora kwedhizaini. -grained material layer. uye zvachose kushanda.
(3) Munzvimbo dzine mvura yakakwira yepasi, geotextile isolation tekinoroji ndiyo nhanho inoshanda yekudzora mugwagwa uye njanji inodzika madhaka musanganiswa.
(4) Kuisa geotextile pasi pecushion pakati pechivako kana chimiro uye yakapfava ivhu nheyo inogona kuita basa rekuzviparadzanisa nevamwe.
(5) Iyo geotextile yemvura barriers inogona kuvhara capillary mvura chiteshi. Mune dzimwe nzvimbo dzine tafura yemvura yakakwirira, inogona kushandiswa kudzivirira ivhu salinization kana nheyo yechando inokwira.
Kana geotextiles ichishandiswa mukuita seismic isolation dhizaini, haingori nyore "kuzviparadzanisa nevamwe" dambudziko. Kubva pachinzvimbo cheyataurwa pamusoro geotextile isolation layer, inosanganisirawo mabasa ekudzoreredza kusefa, kudhiraivha uye kusimbaradza kwe geotextiles mune inoshanda engineering maapplication. Naizvozvo, kana uchishandisa geotextile isolation tekinoroji, zvinodikanwa kuti uongorore chaiwo einjiniya mamiriro kubva kune akawanda maficha. Pamusoro peiyo yemuviri uye yemagetsi zvimiro zveiyo geotextile, zvinodikanwawo kufunga kana iyo geotextile ine iyo inoda reverse filtration uye drainage.
Zvimwe zvinowanzo shandiswa seismic isolation materials geomembrane, composite geotextile, composite geomembrane, polyurethane uye polyurea new geotextile isolation layer, etc. Geotextiles inosimbiswa neyakarukwa, nonwoven kana machira anonzi composite geotextiles. Iyo geotextile inoumbwa nezvinhu zviviri kana kupfuura kana maitiro. Iyo haingochengete chete zvakanakira iyo imwechete-layer zvinhu isati yasanganiswa, asi zvakare inogadzirisa kukanganisa kwayo kune akasiyana madhigirii. Kana ichishandiswa, zvikamu zvaro zvinogona kupa kutamba kwakazara kune zvakanakira mabasa ekuwedzera, uye zvinogona kuita zvirinani zvinodiwa zvakakosha zvepurojekiti.
Iko kukurumidza kuvandudzwa kwezvinhu zvepolymer kwakaisa hwaro hwekubuda kwezvinhu zvitsva zveinjiniya seismic yekuzviparadzanisa nevamwe. Polyurethane polymer zvinhu ipolymer ine urethane mapoka pane huru cheni yemorekuru. A block polymer ine molecular cheni ine yakapfava segment uye yakaoma segment interfacial phase. Iyo elastomer yakaumbwa ne polyurethane zvinhu ine yakanaka rheological properties mushure mekurapa ine yakanaka deformation coordination kugona, bonding performance uye kusamira, uye simba rayo rekumanikidza rakakwirira uye rinogadziriswa. Polyurea chinhu chepolymer chinoumbwa nekuita kweisocyanate chikamu uye amino musanganiswa chikamu. Izvo zvinhu zvakanyanya hydrophobic uye hazvinzwe kune ambient humidity. Inogona kutopfapfaidzwa pamvura kuita firimu. Inogona kushanda zvakajairika pasi pemamiriro ekunze akaomarara. Nokudaro, polyurethane uye polyurea yava rudzi rutsva rwezvipingamupinyi mukurapa kwemigwagwa mitsva uye zvirwere zvemugwagwa.
Nguva yekutumira: Mar-10-2022