{"id":1221,"date":"2025-05-06T13:58:53","date_gmt":"2025-05-06T10:58:53","guid":{"rendered":"https:\/\/polimaris.com\/kuidas-me-hudroisoleerisime-raudteesilla-vaid-12-tunniga\/"},"modified":"2025-05-21T15:10:38","modified_gmt":"2025-05-21T12:10:38","slug":"kuidas-me-hudroisoleerisime-raudteesilla-vaid-12-tunniga","status":"publish","type":"post","link":"https:\/\/polimaris.com\/et\/kuidas-me-hudroisoleerisime-raudteesilla-vaid-12-tunniga\/","title":{"rendered":"Kuidas me h\u00fcdroisoleerisime raudteesilla ainult 12 tunniga"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Terasest raudteesilla h\u00fcdroisolatsioon koos pol\u00fckarbamiidiga<\/strong><\/h2>\n\n\n\n

T\u00f6\u00f6d viidi l\u00e4bi eesm\u00e4rgiga tagada teraskonstruktsiooniga raudteesilla vastupidav ja pikaealine h\u00fcdroisolatsioonikiht vahetult ballastkihi all.<\/p>\n\n\n\n

H\u00fcdroisolatsioonilahenduseks valiti pol\u00fckarbamiid, mis on sobilik kasutamiseks rasketes tingimustes t\u00e4nu oma suurep\u00e4rasele mehaanilisele ja keemilisele vastupidavusele. T\u00f6\u00f6d teostati 300 m\u00b2 suurusel sillapinnal.<\/p>\n\n\n\n

Raudteesilla h\u00fcdroisolatsiooni t\u00f6\u00f6protsess<\/strong><\/h2>\n\n\n\n

Pindade ettevalmistus ja kruntimine<\/strong><\/h3>\n\n\n\n

Silla metallpinnad puhastati ning krunditi spetsiaalse primeriga, mis kanti peale pihustustehnoloogiaga. Krunt tagas vajaliku nakke pol\u00fckarbamiidikihile.<\/p>\n\n\n\n

Pol\u00fckarbamiidi paigaldus<\/strong><\/h3>\n\n\n\n

Kattematerjal kanti pinnale robotiseeritud pihustusseadmega, saavutades \u00fchtlase 5 mm paksuse kogu 300 m\u00b2 ulatuses. Pol\u00fckarbamiid tahkub sekunditega ja moodustab tugeva, elastse ning monoliitse kaitsekihi.<\/p>\n\n\n\n

V\u00e4hem kui 12 tunni jooksul p\u00e4rast t\u00f6\u00f6de algust oli teostatud kogu kruntimine ning pol\u00fckarbamiidi paigaldus. <\/p>\n\n\n\n

Vastupidavus mehaanilistele ja termilistele m\u00f5judele<\/strong><\/h3>\n\n\n\n

P\u00e4rast paigaldust viidi sillal l\u00e4bi keevitust\u00f6id, mille k\u00e4igus sattus pol\u00fckarbamiidikihile keevituspritsmeid. Kontrolli k\u00e4igus selgus, et pritsmed ei p\u00f5hjustanud pinnakahjustusi. Samuti veeti sillale rasketehnikaga ballastikiht, mis ei m\u00f5jutanud h\u00fcdroisolatsioonikihi terviklikkust ega funktsionaalsust.<\/p>\n\n\n\n

Pol\u00fckarbamiidi tehnilised andmed<\/h2>\n\n\n\n
    \n
  • T\u00f5mbetugevus: \u2265 15 MPa<\/li>\n\n\n\n
  • Venivus: \u2265 350%<\/li>\n\n\n\n
  • K\u00f5vadus (Shore A): 85-95<\/li>\n\n\n\n
  • Kuivamisaeg: alla 10 sekundi<\/li>\n\n\n\n
  • T\u00e4ielik k\u00f5venemine: 24 tundi<\/li>\n\n\n\n
  • Keemiline vastupidavus: vastupidav k\u00fctustele, sooladele, \u00f5lidele ja enamikele lahustitele<\/li>\n\n\n\n
  • Temperatuuritaluvus: -40 \u00b0C to +120 \u00b0C<\/li>\n<\/ul>\n\n\n\n

    Kokkuv\u00f5ttes<\/strong> tagas pol\u00fckarbamiidikate 300 m\u00b2 sillapinnal kiire ja vastupidava h\u00fcdroisolatsioonilahenduse, mis talub nii keevituse kuumust kui ka mehaanilist koormust ballastimisel.<\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    Terasest raudteesilla h\u00fcdroisolatsioon koos pol\u00fckarbamiidiga T\u00f6\u00f6d viidi l\u00e4bi eesm\u00e4rgiga tagada teraskonstruktsiooniga raudteesilla vastupidav ja pikaealine h\u00fcdroisolatsioonikiht vahetult ballastkihi all. H\u00fcdroisolatsioonilahenduseks valiti pol\u00fckarbamiid, mis on sobilik kasutamiseks rasketes tingimustes t\u00e4nu oma suurep\u00e4rasele mehaanilisele ja keemilisele vastupidavusele. T\u00f6\u00f6d teostati 300 m\u00b2 suurusel sillapinnal. Raudteesilla h\u00fcdroisolatsiooni t\u00f6\u00f6protsess Pindade ettevalmistus ja kruntimine Silla metallpinnad puhastati ning krunditi spetsiaalse primeriga, […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1221","post","type-post","status-publish","format-standard","hentry","category-uncategorized-et"],"acf":[],"yoast_head":"\nKuidas me h\u00fcdroisoleerisime raudteesilla ainult 12 tunniga - Polimaris<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/polimaris.com\/et\/kuidas-me-hudroisoleerisime-raudteesilla-vaid-12-tunniga\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kuidas me h\u00fcdroisoleerisime raudteesilla ainult 12 tunniga - Polimaris\" \/>\n<meta property=\"og:description\" content=\"Terasest raudteesilla h\u00fcdroisolatsioon koos pol\u00fckarbamiidiga T\u00f6\u00f6d viidi l\u00e4bi eesm\u00e4rgiga tagada teraskonstruktsiooniga raudteesilla vastupidav ja pikaealine h\u00fcdroisolatsioonikiht vahetult ballastkihi all. H\u00fcdroisolatsioonilahenduseks valiti pol\u00fckarbamiid, mis on sobilik kasutamiseks rasketes tingimustes t\u00e4nu oma suurep\u00e4rasele mehaanilisele ja keemilisele vastupidavusele. T\u00f6\u00f6d teostati 300 m\u00b2 suurusel sillapinnal. 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