{"id":422612,"date":"2026-04-15T06:31:47","date_gmt":"2026-04-15T04:31:47","guid":{"rendered":"https:\/\/www.zpsv.cz\/inzenyrske-stavby\/prvky-pro-odvodneni\/sikma-vtokova-zelezobetonova-trouba-patkova-dn-1200\/"},"modified":"2026-04-15T06:31:47","modified_gmt":"2026-04-15T04:31:47","slug":"sikma-vtokova-zelezobetonova-trouba-patkova-dn-1200","status":"publish","type":"page","link":"https:\/\/www.zpsv.cz\/en\/inzenyrske-stavby\/prvky-pro-odvodneni\/sikma-vtokova-zelezobetonova-trouba-patkova-dn-1200\/","title":{"rendered":"\u0160ikm\u00e1 vtokov\u00e1 \u017eelezobetonov\u00e1 trouba patkov\u00e1 DN 1200"},"content":{"rendered":"<p>{&#8222;DateCreate&#8220;:&#8220;13.09.2005 8:04:59&#8243;,&#8220;ID&#8220;:&#8220;456&#8243;,&#8220;GUID&#8220;:&#8220;5F18A9C40AF8C9F1C125707B00216A9D&#8220;,&#8220;Nazev&#8220;:&#8220;\\u0160ikm\\u00e1 vtokov\\u00e1 \\u017eelezobetonov\\u00e1 trouba patkov\\u00e1 DN 1200&#8243;,&#8220;Number&#8220;:&#8220;592211719028&#8243;,&#8220;ObchodniZnacka&#8220;:&#8220;TZP 028-19&#8243;,&#8220;Zavods&#8220;:&#8220;07 \\u010cer\\u010dany&#8220;,&#8220;VyrPopisCZ&#8220;:&#8220;&#8220;,&#8220;VyrPopisDE&#8220;:&#8220;&#8220;,&#8220;VyrPopisEN&#8220;:&#8220;&#8220;,&#8220;VyrUrceniAPouzitCZ&#8220;:&#8220;Jsou ur\\u010deny pro \\u0161ikm\\u00e9 ukon\\u010den\\u00ed trubn\\u00edch propustk\\u016f na vtokov\\u00e9 stran\\u011b pod dr\\u00e1\\u017en\\u00edm nebo silni\\u010dn\\u00edm t\\u011blesem. \\u017delezobetonov\\u00e9 trouby patkov\\u00e9 DN 800, 1000, 1200 v\\u010detn\\u011b trub patkov\\u00fdch vtokov\\u00fdch a \\u0161ikm\\u00fdch koncov\\u00fdch jsou ur\\u010deny pro stavby jedno a v\\u00edce otvorov\\u00fdch propustk\\u016f pod dr\\u00e1\\u017en\\u00edm t\\u011blesem. Vyhovuj\\u00ed statick\\u00fdm \\u00fa\\u010dink\\u016fm od modelu zat\\u00ed\\u017een\\u00ed 71 se sou\\u010dinitelem alfa = 1,21 a od modelu zat\\u00ed\\u017een\\u00ed SW\\\/2 dle \\u010cSN EN 1991-2. V\\u00fd\\u0161ka p\\u0159esyp\\u00e1vky (vzd\\u00e1lenost od rubov\\u00e9 strany vrchl\\u00edku trouby ke spodn\\u00ed &#8211; \\u00falo\\u017en\\u00e9 plo\\u0161e pra\\u017ece) \\u010din\\u00ed pro 0,30 a\\u017e 10,0m.  Jedn\\u00e1 se o dut\\u00e9 d\\u00edlce s vnit\\u0159n\\u00edm kruhov\\u00fdm pr\\u016f\\u0159ezem ve spodn\\u00ed \\u010d\\u00e1sti opat\\u0159en\\u00e9 rovnou \\u00falo\\u017enou plochou \\u2013 patka trouby. \\u010cela trub jsou opat\\u0159ena tvarovanou polodr\\u00e1\\u017ekou, kdy vn\\u011bj\\u0161\\u00ed polodr\\u00e1\\u017eka tvo\\u0159\\u00ed tzv. hrdlo, kter\\u00e9 nevystupuje z vn\\u011bj\\u0161\\u00edho obrysu. Vnit\\u0159n\\u00ed polodr\\u00e1\\u017eka tvo\\u0159\\u00ed tzv. d\\u0159\\u00edk. Vtokov\\u00e9 \\u017dB trouby trouby patkov\\u00e9 hrdlo nemaj\\u00ed. Dokonal\\u00e9 t\\u011bsn\\u011bn\\u00ed spoj\\u016f jednotliv\\u00fdch trub zaji\\u0161\\u0165uje integrovan\\u00e9 pry\\u017eov\\u00e9 t\\u011bsn\\u011bn\\u00ed zabudovan\\u00e9 v dr\\u00e1\\u017ece po obvodu hrdla. Ve st\\u011bn\\u00e1ch trub jsou zabudov\\u00e1ny p\\u0159epravn\\u00ed \\u00fachyty s kulovou hlavou odpov\\u00eddaj\\u00edc\\u00ed nosnosti a umo\\u017e\\u0148uj\\u00edc\\u00ed ve\\u0161kerou manipulaci ve svisl\\u00e9 nebo vodorovn\\u00e9 poloze p\\u0159i nakl\\u00e1dce, ot\\u00e1\\u010den\\u00ed pokl\\u00e1dce a mont\\u00e1\\u017ei. Pro m\\u011b\\u0159en\\u00ed a p\\u0159\\u00edpadn\\u00e9 uzemn\\u011bn\\u00ed bludn\\u00fdch proud\\u016f jsou v\\u0161echny trouby z vn\\u011bj\\u0161\\u00ed strany na vrchn\\u00ed stran\\u011b uprost\\u0159ed opat\\u0159eny z\\u00e1vitov\\u00fdm p\\u0159epravn\\u00edm \\u00fachytem, kter\\u00fd je vodiv\\u011b propojen s beton\\u00e1\\u0159skou v\\u00fdztu\\u017e\\u00ed trouby. \\u017dB trouby patkov\\u00e9 se ukl\\u00e1daj\\u00ed zpravidla na pr\\u016fb\\u011b\\u017en\\u00fd monolitick\\u00fd z\\u00e1klad. Betonov\\u00fd z\\u00e1klad usnad\\u0148uje vz\\u00e1jemn\\u00e9 zasunut\\u00ed trub. \\u00danosnost \\u017dB trub patkov\\u00fdch v\\u0161ak umo\\u017e\\u0148uje pokl\\u00e1dat trouby i na zhutn\\u011bnou vrstvu \\u0161t\\u011brkodrti nebo vrstvu vibrovan\\u00e9ho \\u0161t\\u011brku nebo lze pou\\u017e\\u00edt prefabrikovan\\u00e9 z\\u00e1klady pro urychlen\\u00ed v\\u00fdstavby propustku, av\\u0161ak pouze po individu\\u00e1ln\\u00edm statick\\u00e9m posouzen\\u00ed a schv\\u00e1len\\u00ed. 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