{"id":1183,"date":"2025-04-09T03:16:47","date_gmt":"2025-04-08T19:16:47","guid":{"rendered":"https:\/\/www.lianyigeosyn.com\/?p=1183"},"modified":"2025-04-09T14:56:01","modified_gmt":"2025-04-09T06:56:01","slug":"how-to-choose-geogrids-for-soft-soil-stabilization","status":"publish","type":"post","link":"https:\/\/www.lianyigeosyn.com\/cs\/jak-vybrat-geomrize-pro-stabilizaci-mekke-pudy\/","title":{"rendered":"Jak vybrat geom\u0159\u00ed\u017ee pro stabilizaci m\u011bkk\u00e9 p\u016fdy"},"content":{"rendered":"

Jak vybrat geom\u0159\u00ed\u017ee pro stabilizaci m\u011bkk\u00e9 p\u016fdy<\/strong>
\nStabilizace m\u011bkk\u00fdch zemin vy\u017eaduje geom\u0159\u00ed\u017ee, kter\u00e9 zlep\u0161uj\u00ed rozlo\u017een\u00ed zat\u00ed\u017een\u00ed, sni\u017euj\u00ed sed\u00e1n\u00ed a zvy\u0161uj\u00ed pevnost ve smyku. N\u00ed\u017ee je uveden strukturovan\u00fd pr\u016fvodce v\u00fdb\u011brem optim\u00e1ln\u00edch geom\u0159\u00ed\u017e\u00ed pro takov\u00e9 aplikace, podpo\u0159en\u00fd technick\u00fdmi poznatky a pr\u016fmyslov\u00fdmi postupy.<\/p>\n

\n

1. Posouzen\u00ed vlastnost\u00ed p\u016fdy a po\u017eadavk\u016f projektu<\/strong><\/h3>\n
    \n
  • Typ p\u016fdy<\/strong>: M\u011bkk\u00e9 p\u016fdy (nap\u0159. j\u00edly, bahna, organick\u00e9 p\u016fdy) vy\u017eaduj\u00ed geom\u0159\u00ed\u017ee s vysokou pevnost\u00ed v tahu a malou rozta\u017enost\u00ed, aby se zabr\u00e1nilo jejich deformaci. Geom\u0159\u00ed\u017ee ze skeln\u00fdch vl\u00e1ken jsou ide\u00e1ln\u00ed d\u00edky sv\u00e9 vysok\u00e9 pevnosti v tahu (>80 kN\/m) a n\u00edzk\u00e9mu prodlou\u017een\u00ed (<4%) .<\/li>\n
  • Velikost clony<\/strong>: Rozm\u011bry otvor\u016f p\u0159izp\u016fsobte t\u0159\u00edd\u011bn\u00ed p\u016fdy. Hrub\u00e9 p\u016fdy vy\u017eaduj\u00ed pro \u00fa\u010dinn\u00e9 propojen\u00ed v\u011bt\u0161\u00ed otvory (nap\u0159. 25,4 \u00d7 25,4 mm), zat\u00edmco jemn\u00e9 p\u016fdy vyu\u017e\u00edvaj\u00ed men\u0161\u00ed otvory v kombinaci s netkanou geotextili\u00ed pro filtraci.<\/li>\n
  • Podm\u00ednky zat\u00ed\u017een\u00ed<\/strong>: Pro dynamick\u00e9 zat\u00ed\u017een\u00ed (nap\u0159. d\u00e1lnice) pou\u017eijte dvouos\u00e9 geom\u0159\u00ed\u017ee (nap\u0159. EnkaGrid MAX) pro rozlo\u017een\u00ed v\u00edcesm\u011brn\u00fdch nap\u011bt\u00ed. Pro statick\u00e9 zat\u00ed\u017een\u00ed (nap\u0159. n\u00e1spy) poskytuj\u00ed jednoos\u00e9 geom\u0159\u00ed\u017ee (nap\u0159. EnkaGrid PRO) soust\u0159ed\u011bn\u00e9 zes\u00edlen\u00ed.<\/li>\n<\/ul>\n
    \n

    2. V\u00fdb\u011br materi\u00e1lu na z\u00e1klad\u011b environment\u00e1ln\u00edch a mechanick\u00fdch pot\u0159eb<\/strong><\/h3>\n
      \n
    • Polyesterov\u00e9 (PET) geom\u0159\u00ed\u017ee<\/strong>:\n
      \"polyesterov\u00e1
      polyesterov\u00e1 geom\u0159\u00ed\u017e 60 30<\/figcaption><\/figure>\n
        \n
      • V\u00fdhody<\/strong>: Vysok\u00e1 odolnost proti te\u010den\u00ed, vhodn\u00e1 pro dlouhodob\u00e9 zat\u00ed\u017een\u00ed.<\/li>\n
      • Aplikace<\/strong>: op\u011brn\u00e9 zdi, mostn\u00ed op\u011bry.<\/li>\n
      • N\u00e1t\u011bry<\/strong>: Povlak z PVC zvy\u0161uje chemickou odolnost a trvanlivost v kysel\u00e9m\/alkalick\u00e9m prost\u0159ed\u00ed.<\/li>\n<\/ul>\n<\/li>\n
      • Polypropylenov\u00e9 (PP) geom\u0159\u00ed\u017ee<\/strong>:\n
        \"fotobanka
        Biaxi\u00e1ln\u00ed geom\u0159\u00ed\u017e PP<\/figcaption><\/figure>\n
          \n
        • V\u00fdhody<\/strong>: Cenov\u011b v\u00fdhodn\u00e9, odoln\u00e9 v\u016f\u010di UV z\u00e1\u0159en\u00ed.<\/li>\n
        • Aplikace<\/strong>: Do\u010dasn\u00e9 stavby, protierozn\u00ed ochrana .<\/li>\n<\/ul>\n<\/li>\n
        • Sklolamin\u00e1tov\u00e9 geom\u0159\u00ed\u017ee<\/strong>:\n
          \"Poprodejn\u00ed
          instalace geom\u0159\u00ed\u017ee ze sklen\u011bn\u00fdch vl\u00e1ken<\/figcaption><\/figure>\n
            \n
          • V\u00fdhody<\/strong>: V\u00fdjime\u010dn\u00e1 pevnost v tahu (a\u017e 200 kN\/m), minim\u00e1ln\u00ed prodlou\u017een\u00ed.<\/li>\n
          • Aplikace<\/strong>: Zpevn\u011bn\u00ed chodn\u00edk\u016f, m\u011bkk\u00e9 podlo\u017e\u00ed.<\/li>\n<\/ul>\n<\/li>\n
          • Kompozitn\u00ed geom\u0159\u00ed\u017ee<\/strong>:\n
            \"V\u00fdhody
            Instalace dvouos\u00e9 geom\u0159\u00ed\u017ee Composite<\/figcaption><\/figure>\n
              \n
            • P\u0159\u00edklady<\/strong>: EnkaGrid MAX C (kombinace geom\u0159\u00ed\u017ee a netkan\u00e9 geotextilie).<\/li>\n
            • V\u00fdhody<\/strong>: Dvoj\u00ed funkce zpevn\u011bn\u00ed a filtrace, ide\u00e1ln\u00ed pro vodou nasycen\u00e9 m\u011bkk\u00e9 p\u016fdy.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
              \n

              3. \u00davahy o n\u00e1vrhu a normy<\/strong><\/h3>\n
                \n
              • Metody navrhov\u00e1n\u00ed<\/strong>:\n
                  \n
                • Pou\u017eijte\u00a0Giroudova-Hanova metoda<\/strong>\u00a0nebo\u00a0Model Leng-Gabr<\/strong> pro v\u00fdpo\u010det po\u017eadovan\u00e9 pevnosti v tahu a rozm\u00edst\u011bn\u00ed vrstev.<\/li>\n
                • U silnic integrujte \u010dty\u0159vrstv\u00fd model (asfalt, podklad, podlo\u017e\u00ed, podlo\u017e\u00ed), abyste optimalizovali rozlo\u017een\u00ed zat\u00ed\u017een\u00ed.<\/li>\n<\/ul>\n<\/li>\n
                • Kl\u00ed\u010dov\u00e9 parametry<\/strong>:\n
                    \n
                  • Pevnost v tahu<\/strong>: Ujist\u011bte se, \u017ee pevnost geom\u0159\u00ed\u017ee p\u0159evy\u0161uje vypo\u010dten\u00e9 vodorovn\u00e9 s\u00edly od vlastn\u00ed hmotnosti, zat\u00ed\u017een\u00ed kol a \u00fa\u010dink\u016f membr\u00e1ny.<\/li>\n
                  • Pevnost k\u0159i\u017eovatky<\/strong>: Kritick\u00e9 pro extrudovan\u00e9\/sva\u0159ovan\u00e9 geom\u0159\u00ed\u017ee (nap\u0159. Lianyi Biaxial geogrid), aby se zabr\u00e1nilo odd\u011blov\u00e1n\u00ed \u017eeber b\u011bhem instalace.<\/li>\n<\/ul>\n<\/li>\n
                  • Certifikace<\/strong>: Ov\u011b\u0159te shodu s normami ASTM D6637 (tahov\u00e9 zkou\u0161ky) a ISO 10319 (tahov\u00e9 zkou\u0161ky v \u0161irok\u00e9m rozsahu).<\/li>\n<\/ul>\n
                    \n

                    4. Faktory prost\u0159ed\u00ed a trvanlivosti<\/strong><\/h3>\n
                      \n
                    • Chemick\u00e1 odolnost<\/strong>:\n
                        \n
                      • Geom\u0159\u00ed\u017ee z HDPE nebo PVC odol\u00e1vaj\u00ed korozi v kysel\u00fdch\/alkalick\u00fdch p\u016fd\u00e1ch.<\/li>\n<\/ul>\n<\/li>\n
                      • Odolnost proti UV z\u00e1\u0159en\u00ed<\/strong>:\n
                          \n
                        • Pro exponovan\u00e9 aplikace (nap\u0159. stabilizace svah\u016f) jsou nezbytn\u00e9 polypropylenov\u00e9 nebo polyesterov\u00e9 geom\u0159\u00ed\u017ee stabilizovan\u00e9 UV z\u00e1\u0159en\u00edm.<\/li>\n<\/ul>\n<\/li>\n
                        • Teplotn\u00ed tolerance<\/strong>:\n
                            \n
                          • Geom\u0159\u00ed\u017ee ze skeln\u00fdch vl\u00e1ken odol\u00e1vaj\u00ed extr\u00e9mn\u00edm teplot\u00e1m (-100 \u00b0C a\u017e 280 \u00b0C), jsou vhodn\u00e9 pro oblasti s teplotn\u00edmi v\u00fdkyvy.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                            \n

                            5. P\u0159\u00edpadov\u00e9 studie a osv\u011bd\u010den\u00e9 postupy<\/strong><\/h3>\n
                              \n
                            • N\u00e1spy na m\u011bkk\u00e9 p\u016fd\u011b<\/strong>:\n
                                \n
                              • Geom\u0159\u00ed\u017ee ze skeln\u00fdch vl\u00e1ken sn\u00ed\u017eily sed\u00e1n\u00ed o 40% v projektu d\u00e1lnice rovnom\u011brn\u00fdm rozlo\u017een\u00edm nap\u011bt\u00ed.<\/li>\n<\/ul>\n<\/li>\n
                              • Stabilizace podlo\u017e\u00ed silnic<\/strong>:\n
                                  \n
                                • Biaxi\u00e1ln\u00ed geom\u0159\u00ed\u017ee (nap\u0159. Lianyi BX) zlep\u0161ily hodnoty CBR podlo\u017e\u00ed o 50% v oblastech n\u00e1chyln\u00fdch ke zkapaln\u011bn\u00ed .<\/li>\n<\/ul>\n<\/li>\n
                                • Zpevn\u011bn\u00ed svahu<\/strong>:\n
                                    \n
                                  • Kompozitn\u00ed geom\u0159\u00ed\u017ee s netkan\u00fdmi vrstvami (nap\u0159. Lianyi BXC30-150) zabra\u0148uj\u00ed erozi a podporuj\u00ed r\u016fst vegetace v projektech na b\u0159ehu \u0159eky.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                                    \n

                                    6. Tipy pro dodavatele a instalaci<\/strong><\/h3>\n
                                      \n
                                    • Krit\u00e9ria dodavatele<\/strong>:\n
                                        \n
                                      • Up\u0159ednostn\u011bte v\u00fdrobce s certifikac\u00ed ISO 9001 a referencemi na projekty.<\/li>\n
                                      • Vy\u017e\u00e1dejte si vzorky pro testov\u00e1n\u00ed kompatibility p\u016fdy na m\u00edst\u011b .<\/li>\n<\/ul>\n<\/li>\n
                                      • Pokyny pro instalaci<\/strong>:\n
                                          \n
                                        • Zajist\u011bte spr\u00e1vn\u00e9 p\u0159ekryt\u00ed (30-50 cm) a d\u00e9lku kotven\u00ed, aby bylo odoln\u00e9 proti vytahovac\u00edm sil\u00e1m.<\/li>\n
                                        • Na m\u011bkk\u00fdch p\u016fd\u00e1ch pou\u017e\u00edvejte lehk\u00e9 stroje, aby nedo\u0161lo k po\u0161kozen\u00ed geom\u0159\u00ed\u017ee p\u0159i pokl\u00e1dce .<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                          Zde je podrobn\u00fd rozpis pot\u0159eb v\u00fdztu\u017ee pro ka\u017edou vrstvu v konstrukci vozovky (asfalt, podklad, podlo\u017e\u00ed a podkladn\u00ed vrstva) spolu s \u0159e\u0161en\u00edmi geom\u0159\u00ed\u017e\u00ed na m\u00edru:<\/p>\n

                                          \n

                                          1. Asfaltov\u00e1 vrstva (povrchov\u00e1 vrstva)<\/strong><\/h3>\n

                                          Prim\u00e1rn\u00ed funkce<\/strong>:
                                          \nP\u0159\u00edmo odol\u00e1v\u00e1 dopravn\u00edmu zat\u00ed\u017een\u00ed (pneumatiky, teplotn\u00ed v\u00fdkyvy) a zabra\u0148uje vzniku povrchov\u00fdch vad, jako jsou praskliny a vyjet\u00e9 koleje.<\/p>\n

                                          Pot\u0159eby posilov\u00e1n\u00ed<\/strong>:<\/p>\n

                                            \n
                                          • Zm\u00edrn\u011bn\u00ed trhlin<\/strong>:\n
                                              \n
                                            • Odrazov\u00e9 trhliny<\/strong>: Geom\u0159\u00ed\u017ee mus\u00ed br\u00e1nit \u0161\u00ed\u0159en\u00ed trhlin z podkladov\u00fdch vrstev sm\u011brem nahoru.<\/li>\n
                                            • Tepeln\u00e9 prask\u00e1n\u00ed<\/strong>: Pro odolnost proti tepeln\u00e9 rozta\u017enosti\/smr\u0161\u0165ov\u00e1n\u00ed je rozhoduj\u00edc\u00ed vysokoteplotn\u00ed stabilita.<\/li>\n<\/ul>\n<\/li>\n
                                            • Odolnost proti vyjet\u00fdm kolej\u00edm<\/strong>: Rozlo\u017ete zat\u00ed\u017een\u00ed kola tak, aby se sn\u00ed\u017eila trval\u00e1 deformace.<\/li>\n<\/ul>\n

                                              Doporu\u010den\u00e9 geom\u0159\u00ed\u017ee<\/strong>:<\/p>\n

                                                \n
                                              • Sklolamin\u00e1tov\u00e9 geom\u0159\u00ed\u017ee<\/strong>\u00a0(nap\u0159,\u00a0Lianyi FG100<\/strong>):\n
                                                \"Sklolamin\u00e1tov\u00e1
                                                Sklolamin\u00e1tov\u00e1 geom\u0159\u00ed\u017e 100-100kN\/m<\/figcaption><\/figure>\n
                                                  \n
                                                • Vysok\u00e1 pevnost v tahu (80-150 kN\/m) a n\u00edzk\u00e9 prodlou\u017een\u00ed (<4%) pro omezen\u00ed \u0161\u00ed\u0159en\u00ed trhlin.<\/li>\n
                                                • Povlaky kompatibiln\u00ed s asfaltem (nap\u0159. polymerem modifikovan\u00fd asfalt) pro siln\u00e9 mezivrstvy.<\/li>\n<\/ul>\n<\/li>\n
                                                • Kompozitn\u00ed geom\u0159\u00ed\u017ee<\/strong> ( lianyi GPM50):\n
                                                  <\/div>\n
                                                  \"V\u00fdhody
                                                  Kompozitn\u00ed geom\u0159\u00ed\u017eka ze skeln\u00fdch vl\u00e1ken<\/figcaption><\/figure>\n
                                                    \n
                                                  • Kombinace skeln\u00fdch vl\u00e1ken s netkanou geotextili\u00ed pro potla\u010den\u00ed trhlin a hydroizolaci.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                                    Tipy pro instalaci<\/strong>:<\/p>\n

                                                      \n
                                                    • Um\u00edst\u011bte geom\u0159\u00ed\u017e mezi asfaltov\u00e9 vrstvy (nap\u0159. p\u0159i p\u0159ekr\u00fdv\u00e1n\u00ed).<\/li>\n
                                                    • Zajist\u011bte spr\u00e1vn\u00e9 nanesen\u00ed lepic\u00ed vrstvy pro zaji\u0161t\u011bn\u00ed p\u0159ilnavosti.<\/li>\n<\/ul>\n
                                                      \n

                                                      2. Z\u00e1kladn\u00ed vrstva<\/strong><\/h3>\n

                                                      Prim\u00e1rn\u00ed funkce<\/strong>:
                                                      \nRozlo\u017een\u00ed zat\u00ed\u017een\u00ed z asfaltov\u00e9 vrstvy na podklad, \u010d\u00edm\u017e se zabr\u00e1n\u00ed smykov\u00e9mu poru\u0161en\u00ed a bo\u010dn\u00edmu \u0161\u00ed\u0159en\u00ed.<\/p>\n

                                                      Pot\u0159eby posilov\u00e1n\u00ed<\/strong>:<\/p>\n

                                                        \n
                                                      • Rozlo\u017een\u00ed z\u00e1t\u011b\u017ee<\/strong>: V\u00edcesm\u011brn\u00e1 v\u00fdztu\u017e pro rozlo\u017een\u00ed svisl\u00fdch nap\u011bt\u00ed.<\/li>\n
                                                      • Bo\u010dn\u00ed uzav\u0159en\u00ed<\/strong>: Zabra\u0148te migraci agreg\u00e1tu p\u0159i opakovan\u00e9m zat\u00ed\u017een\u00ed.<\/li>\n<\/ul>\n

                                                        Doporu\u010den\u00e9 geom\u0159\u00ed\u017ee<\/strong>:<\/p>\n

                                                          \n
                                                        • Biaxi\u00e1ln\u00ed geom\u0159\u00ed\u017ee<\/strong>\u00a0(nap\u0159,\u00a0Lianyi PP BX <\/strong>Geom\u0159\u00ed\u017ee a polyesterov\u00e9 biaxi\u00e1ln\u00ed geom\u0159\u00ed\u017ee<\/strong>):\n
                                                            \n
                                                          • Velikost otvor\u016f (25-40 mm) odpov\u00edd\u00e1 odstup\u0148ov\u00e1n\u00ed kameniva pro optim\u00e1ln\u00ed vz\u00e1jemn\u00e9 propojen\u00ed.<\/li>\n
                                                          • Vysok\u00e1 pevnost spoje (>90% pevnosti \u017eebra), aby odolal po\u0161kozen\u00ed p\u0159i instalaci.<\/li>\n<\/ul>\n<\/li>\n
                                                          • T\u0159\u00edos\u00e9 geom\u0159\u00ed\u017ee<\/strong>\u00a0(nap\u0159,\u00a0Lianyi TriAx<\/strong>):\n
                                                              \n
                                                            • \u0160estihrann\u00e9 otvory zlep\u0161uj\u00ed v\u00edcesm\u011brn\u00e9 rozlo\u017een\u00ed zat\u00ed\u017een\u00ed a sni\u017euj\u00ed tlou\u0161\u0165ku kameniva o 20-30%.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                                              \u00davahy o n\u00e1vrhu<\/strong>:<\/p>\n

                                                                \n
                                                              • Pou\u017eijte\u00a0AASHTO MEPDG<\/strong>\u00a0nebo\u00a0Mechanisticko-empirick\u00fd n\u00e1vrh<\/strong>\u00a0pro v\u00fdpo\u010det po\u017eadovan\u00e9ho zlep\u0161en\u00ed modulu.<\/li>\n<\/ul>\n
                                                                \n

                                                                3. Podkladov\u00e1 vrstva<\/strong><\/h3>\n

                                                                Prim\u00e1rn\u00ed funkce<\/strong>:
                                                                \nZajist\u00ed dodate\u010dnou podporu podkladn\u00ed vrstvy a zabr\u00e1n\u00ed zne\u010di\u0161t\u011bn\u00ed z podlo\u017e\u00ed.<\/p>\n

                                                                Pot\u0159eby posilov\u00e1n\u00ed<\/strong>:<\/p>\n

                                                                  \n
                                                                • Odd\u011blen\u00ed<\/strong>: Zabra\u0148te prom\u00edch\u00e1n\u00ed podkladov\u00e9 zeminy s podkladov\u00fdm kamenivem.<\/li>\n
                                                                • Odvodn\u011bn\u00ed<\/strong>: Nechte vodu voln\u011b proudit, aby nedo\u0161lo k jej\u00edmu nasycen\u00ed.<\/li>\n<\/ul>\n

                                                                  Doporu\u010den\u00e1 \u0159e\u0161en\u00ed<\/strong>:<\/p>\n

                                                                    \n
                                                                  • Kompozitn\u00ed geom\u0159\u00ed\u017ee a geotextilie<\/strong>\u00a0(nap\u0159,\u00a0Geom\u0159\u00ed\u017e LIANYI + netkan\u00e1 geotextilie<\/strong>):\n
                                                                      \n
                                                                    • Geom\u0159\u00ed\u017e poskytuje struktur\u00e1ln\u00ed v\u00fdztu\u017e, zat\u00edmco geotextilie filtruje jemn\u00e9 \u010d\u00e1stice.<\/li>\n<\/ul>\n<\/li>\n
                                                                    • Tkan\u00e9 geotextilie<\/strong>: Pro projekty, kter\u00e9 up\u0159ednost\u0148uj\u00ed odd\u011blen\u00ed p\u0159ed pos\u00edlen\u00edm.<\/li>\n<\/ul>\n

                                                                      Aplikace<\/strong>:<\/p>\n

                                                                        \n
                                                                      • Slab\u00e9 podlo\u017e\u00ed (CBR <3%) nebo oblasti n\u00e1chyln\u00e9 k mrazu.<\/li>\n<\/ul>\n
                                                                        \n

                                                                        4. Podklad (p\u0159\u00edrodn\u00ed p\u016fda)<\/strong><\/h3>\n

                                                                        Prim\u00e1rn\u00ed funkce<\/strong>:
                                                                        \nSlou\u017e\u00ed jako z\u00e1klad pro v\u0161echny horn\u00ed vrstvy; mus\u00ed odol\u00e1vat deformac\u00edm p\u0159i zat\u00ed\u017een\u00ed.<\/p>\n

                                                                        Pot\u0159eby posilov\u00e1n\u00ed<\/strong>:<\/p>\n

                                                                          \n
                                                                        • Zlep\u0161en\u00ed nosnosti<\/strong>: Zv\u00fd\u0161en\u00ed hodnot CBR omezen\u00edm p\u016fdn\u00edch \u010d\u00e1stic.<\/li>\n
                                                                        • Kontrola vypo\u0159\u00e1d\u00e1n\u00ed<\/strong>: Sn\u00ed\u017een\u00ed dlouhodob\u00e9 konsolidace v m\u011bkk\u00fdch p\u016fd\u00e1ch (nap\u0159. hl\u00edna, bahno).<\/li>\n<\/ul>\n

                                                                          Doporu\u010den\u00e9 geom\u0159\u00ed\u017ee<\/strong>:<\/p>\n

                                                                            \n
                                                                          • Vysokopevnostn\u00ed jednoos\u00e9 geom\u0159\u00ed\u017ee<\/strong>\u00a0(nap\u0159,\u00a0Lianyi Polyester UX Geogrid<\/strong>):\n
                                                                            \"Polyesterov\u00e1
                                                                            Polyesterov\u00e1 jednoos\u00e1 geom\u0159\u00ed\u017eka<\/figcaption><\/figure>\n
                                                                              \n
                                                                            • Pevnost v tahu >200 kN\/m pro hlubokou stabilizaci m\u011bkk\u00fdch zemin.<\/li>\n
                                                                            • Velk\u00e9 otvory (\u2265 50 mm) pro maxim\u00e1ln\u00ed propojen\u00ed p\u016fdy a geom\u0159\u00ed\u017ee.<\/li>\n<\/ul>\n<\/li>\n
                                                                            • Geobu\u0148ky<\/strong>\u00a0(nap\u0159,\u00a0Lianyi HDPE Geocell<\/strong>):\n
                                                                                \n
                                                                              • 3D bun\u011b\u010dn\u00e9 uzav\u0159en\u00ed pro velmi m\u011bkk\u00e9 p\u016fdy (nap\u0159. ra\u0161elina, organick\u00fd j\u00edl).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                                                                Metody navrhov\u00e1n\u00ed<\/strong>:<\/p>\n

                                                                                  \n
                                                                                • Boussinesqova teorie<\/strong>\u00a0nebo\u00a0Software PLAXIS<\/strong>\u00a0k modelov\u00e1n\u00ed rozlo\u017een\u00ed nap\u011bt\u00ed.<\/li>\n
                                                                                • C\u00edlov\u00e1 hodnota CBR po vyztu\u017een\u00ed >8% pro pou\u017eit\u00ed na d\u00e1lnic\u00edch.<\/li>\n<\/ul>\n
                                                                                  \n

                                                                                  Hlavn\u00ed rozd\u00edly mezi jednotliv\u00fdmi vrstvami<\/strong><\/h3>\n\n\n\n\n\n\n\n\n
                                                                                  Vrstva<\/strong><\/th>\nZp\u016fsob selh\u00e1n\u00ed<\/strong><\/th>\nTyp geom\u0159\u00ed\u017ee<\/strong><\/th>\nKritick\u00e9 vlastnosti<\/strong><\/th>\n<\/tr>\n<\/thead>\n
                                                                                  Asfalt<\/strong><\/td>\nOdrazov\u00e9 trhliny, vyjet\u00e9 koleje<\/td>\nSklolamin\u00e1t, kompozity<\/td>\nVysok\u00e1 pevnost v tahu, p\u0159ilnavost asfaltu<\/td>\n<\/tr>\n
                                                                                  Z\u00e1kladna<\/strong><\/td>\nSouhrnn\u00e1 migrace<\/td>\nBiaxi\u00e1ln\u00ed\/triaxi\u00e1ln\u00ed<\/td>\nKompatibilita clony a agreg\u00e1tu, pevnost spoje<\/td>\n<\/tr>\n
                                                                                  Podklad<\/strong><\/td>\nKontaminace, nasycen\u00ed<\/td>\nKompozitn\u00ed geom\u0159\u00ed\u017e+geotextilie<\/td>\nFiltrace, separace<\/td>\n<\/tr>\n
                                                                                  Podlo\u017e\u00ed<\/strong><\/td>\nUsazen\u00ed, porucha lo\u017eiska<\/td>\nJednoos\u00e9 geom\u0159\u00ed\u017ee<\/td>\nVysok\u00e1 pevnost v tahu, velk\u00e9 otvory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                                                                                  \n

                                                                                  P\u0159\u00edklady z re\u00e1ln\u00e9ho sv\u011bta<\/strong><\/h3>\n
                                                                                    \n
                                                                                  1. Asfaltov\u00e1 v\u00fdztu\u017e<\/strong>:\n
                                                                                      \n
                                                                                    • D\u00e1lnice I-95 (USA)<\/strong>: Geom\u0159\u00ed\u017ee ze sklen\u011bn\u00fdch vl\u00e1ken prodlou\u017eily \u017eivotnost vozovky o 50% d\u00edky omezen\u00ed reflexn\u00edch trhlin.<\/li>\n<\/ul>\n<\/li>\n
                                                                                    • Stabilizace podlo\u017e\u00ed<\/strong>:\n
                                                                                        \n
                                                                                      • Projekt dubajsk\u00e9ho metra<\/strong>: Jednoos\u00e9 geom\u0159\u00ed\u017ee zlep\u0161ily CBR m\u011bkk\u00e9ho p\u00edskov\u00e9ho podlo\u017e\u00ed z 2% na 12%.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                                                                                        \n

                                                                                        Normy a testov\u00e1n\u00ed<\/strong><\/h3>\n
                                                                                          \n
                                                                                        • Asfalt<\/strong>: ASTM D7864 (smykov\u00e1 zkou\u0161ka na rozhran\u00ed geom\u0159\u00ed\u017ee a asfaltu).<\/li>\n
                                                                                        • Z\u00e1kladna\/podz\u00e1kladna<\/strong>: ASTM D6637 (pevnost v tahu), ISO 10318 (\u00fa\u010dinnost spoje).<\/li>\n
                                                                                        • Podlo\u017e\u00ed<\/strong>: ASTM D6913 (anal\u00fdza t\u0159\u00edd\u011bn\u00ed p\u016fdy).<\/li>\n<\/ul>\n
                                                                                          \n

                                                                                          Z\u00e1v\u011br<\/strong><\/h3>\n

                                                                                          P\u0159izp\u016fsobte v\u00fdb\u011br geom\u0159\u00ed\u017ee jedine\u010dn\u00fdm n\u00e1rok\u016fm ka\u017ed\u00e9 vrstvy na nam\u00e1h\u00e1n\u00ed a prost\u0159ed\u00ed:<\/p>\n

                                                                                            \n
                                                                                          • Asfalt<\/strong>: Up\u0159ednostn\u011bte odolnost proti trhlin\u00e1m a p\u0159ilnavost.<\/li>\n
                                                                                          • Z\u00e1kladna<\/strong>: Optimalizujte vz\u00e1jemn\u00e9 blokov\u00e1n\u00ed kameniva a rozlo\u017een\u00ed zat\u00ed\u017een\u00ed.<\/li>\n
                                                                                          • Podklad<\/strong>: Zam\u011b\u0159te se na separaci a odvodn\u011bn\u00ed.<\/li>\n
                                                                                          • Podlo\u017e\u00ed<\/strong>: Maximalizujte sev\u0159en\u00ed a \u00fanosnost p\u016fdy.<\/li>\n<\/ul>\n

                                                                                            Slad\u011bn\u00edm vlastnost\u00ed geom\u0159\u00ed\u017e\u00ed s po\u017eadavky na jednotliv\u00e9 vrstvy m\u016f\u017eete v\u00fdrazn\u011b zv\u00fd\u0161it v\u00fdkonnost a \u017eivotnost vozovky.<\/p>","protected":false},"excerpt":{"rendered":"

                                                                                            Jak vybrat geom\u0159\u00ed\u017ee pro stabilizaci m\u011bkk\u00fdch zemin Stabilizace m\u011bkk\u00fdch zemin vy\u017eaduje geom\u0159\u00ed\u017ee, kter\u00e9 zlep\u0161uj\u00ed rozlo\u017een\u00ed zat\u00ed\u017een\u00ed, sni\u017euj\u00ed sed\u00e1n\u00ed a zlep\u0161uj\u00ed smykovou pevnost. N\u00ed\u017ee je uveden strukturovan\u00fd pr\u016fvodce v\u00fdb\u011brem optim\u00e1ln\u00edch geom\u0159\u00ed\u017e\u00ed pro takov\u00e9 aplikace, podpo\u0159en\u00fd technick\u00fdmi poznatky a pr\u016fmyslov\u00fdmi postupy. 1. Posouzen\u00ed vlastnost\u00ed p\u016fdy a po\u017eadavk\u016f projektu Typ p\u016fdy: M\u011bkk\u00e9 p\u016fdy (nap\u0159. [...]<\/p>","protected":false},"author":4,"featured_media":1191,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[239],"acf":[],"_links":{"self":[{"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/posts\/1183"}],"collection":[{"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/comments?post=1183"}],"version-history":[{"count":0,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/posts\/1183\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/media\/1191"}],"wp:attachment":[{"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/media?parent=1183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/categories?post=1183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lianyigeosyn.com\/cs\/wp-json\/wp\/v2\/tags?post=1183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}