{"id":9441,"date":"2023-01-09T10:23:57","date_gmt":"2023-01-09T10:23:57","guid":{"rendered":"https:\/\/blog.geostru.eu\/cedimenti-nel-terreno-nella-realizzazione-di-rilevati\/"},"modified":"2023-01-12T08:36:03","modified_gmt":"2023-01-12T08:36:03","slug":"surparea-terenului-in-realizarea-rambleurilor","status":"publish","type":"post","link":"https:\/\/blog.geostru.eu\/ro\/surparea-terenului-in-realizarea-rambleurilor\/","title":{"rendered":"Surparea terenului \u00een realizarea rambleurilor"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\">\u00cen proiectarea rambleurilor rutiere \u0219i feroviare pe soluri cu granula\u021bie fin\u0103 sau cu granula\u021bie foarte fin\u0103, e necesar\u0103 \u00een\u021belegerea tendin\u021bei de surpare a terenului \u00een decursului timpului. Acest lucru se datoreaz\u0103 faptului c\u0103, \u00een cazul infiltr\u0103rii apei, procesul de drenaj are loc foarte lent pe termen mediu \u0219i lung.<\/p>\n<p style=\"text-align: justify\">Problema este resim\u021bit\u0103 \u00een special \u00een sec\u021biunile adiacente umerilor viaductelor \u0219i \u00een extinderea anchetelor preexistente din motive evidente.<\/p>\n<p style=\"text-align: justify\">Prin urmare, scopul este de a accelera procesul cursului de scufundare, adic\u0103 drenaj.\u00a0 \u00cen prezent exist\u0103 diverse tehnici potrivite pentru scopul men\u021bionat mai sus: cele tradi\u021bionale prin aplicarea de drenuri \u0219i\/sau pre\u00eenc\u0103rc\u0103ri \u0219i tehnici de consolidare a terenurilor cu inser\u021bia de \u00eent\u0103riri columnare (st\u00e2lpi, deep mixing, jet grouting, stone columns etc.)<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: justify\"><strong>Solu\u021bii pentru a interveni \u00een surpare<\/strong><\/h3>\n<p style=\"text-align: justify\">Propriet\u0103\u021bile mecanice slabe ale solurilor de funda\u021bie, \u00eempreun\u0103 cu sarcinile semnificative care deriv\u0103 din greutatea corespunz\u0103toare a celor detectate pot induce, de fapt, fenomene de instabilitate sau pot duce la defec\u021biuni mari \u0219i prelungite, capabile s\u0103 compromit\u0103 func\u021bionalitatea lucr\u0103rii.<\/p>\n<p style=\"text-align: justify\">Tehnicile tradi\u021bionale implic\u0103 utilizarea de drenuri verticale, eventual combinate cu o faz\u0103 de pre\u00eenc\u0103rcare.\u00a0 Aplicarea sarcinii are efectul de &#8222;presare&#8221; a solului \u0219i elimin\u0103 apa.<\/p>\n<p style=\"text-align: justify\">Recent, se propun solu\u021bii care, \u00een loc s\u0103 aib\u0103 ca scop accelerarea procesului de drenaj, au ca scop consolidarea solului \u00een anticiparea subsiden\u021bei care ar ap\u0103rea \u00een timp: Aceasta este aplicarea elementelor cilindrice rigide const\u00e2nd din st\u00e2lpi sau coloane consolidate.\u00a0 Pe partea pozitiv\u0103, nu este necesar s\u0103 a\u0219tepta\u021bi perioade lungi din cauza mi\u0219c\u0103rii solului, dar, pe de alt\u0103 parte, costul cre\u0219te.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: justify\">Consolidarea prin intermediul pilo\u021bilor de funda\u021bie<\/h3>\n<p>\u00cen aplicarea pilo\u021bilor, sarcinile sunt transferate la capul acestuia din urm\u0103, \u00eencerc\u00e2nd s\u0103 creasc\u0103 distan\u021ba central\u0103 \u0219i s\u0103 reduc\u0103 concentra\u021bia for\u021belor tangen\u021biale \u0219i distorsiunea \u00een detec\u021bie care ar putea genera nereguli ale suprafe\u021bei drumului.<\/p>\n<p style=\"text-align: justify\">Ca o alternativ\u0103 la st\u00e2lpi este introducerea \u00een sol a diferitelor materiale, cum ar fi beton, nisip, pietri\u0219, mortar etc.. combinate cu mai multe ac\u021biuni, cum ar fi: b\u0103taie, g\u0103urire, injec\u021bie, amestecare, vibra\u021bii, \u00eenlocuire, compactare.\u00a0 Ele creeaz\u0103 elemente cilindrice, a\u0219a-numitele &#8222;\u00eent\u0103riri columnare&#8221;: deep mixing, jet grouting, stone columns \u0219i toate variantele asociate cu acestea.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\"><strong>Deep Mixing<\/strong><\/p>\n<p style=\"text-align: justify\">Aceasta implic\u0103 amestecarea mecanic\u0103 a varului \u0219i\/sau cimentului \u00een sol, printr-un burghiu mecanic cu lame rotative.\u00a0 Dac\u0103 amestecul de var \u0219i ciment este ad\u0103ugat sub form\u0103 de pulbere, amestecarea uscat\u0103 este de obicei utilizat\u0103 pentru solurile argiloase saturate, dac\u0103 este amestecat\u0103 \u00een prealabil cu ap\u0103 de amestecare umed\u0103<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<strong>Jet grouting <\/strong><\/p>\n<p style=\"text-align: justify\">Const\u0103 \u00een injectarea amestecurilor de lichide, proiectate la vitez\u0103 mare.\u00a0 Acest proces \u00eenseamn\u0103 c\u0103 exist\u0103 fenomene de dezintegrare, amestecare \u0219i\/ sau permeabilitate a solului, care, cu aderen\u021ba \u0219i rigidizarea produce un element de sol cimentat de form\u0103 aproape cilindric\u0103<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9315&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center\">Fig. 1 &#8211; Aplicarea de Jet grouting pe drum costatat<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\"><strong>Stone columns<\/strong><\/p>\n<p style=\"text-align: justify\">Stone columns sunt coloane de nisip \u0219i\/ sau pietri\u0219 \u0219i au proprietatea dubl\u0103 de scurgere a apei \u0219i rigidizarea solului.\u00a0 Acestea sunt aplicate printr-o sond\u0103 vibratoare care p\u0103trunde \u00een sol prin \u00eengro\u0219area solului \u00eenconjur\u0103tor \u0219i a umplut gaura cu nisip \u0219i pietri\u0219.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9321&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center\">Fig. 2 &#8211; Constatarea feroviar\u0103 recunoscut\u0103 pe stone columns<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\">O tehnic\u0103 diferit\u0103 pentru realizarea stone columns, utilizat\u0103 \u00een \u021b\u0103rile din Europa de Est pentru consolidarea funda\u021biilor [KWIECIEE \u0219i S\u00adKOWSKI, 2008], Const\u0103 \u00een compactarea dinamic\u0103 a materialului cu granula\u021bie grosier\u0103 cu ajutorul unui ciocan cu o greutate de aproximativ 10 tone c\u0103zut de la \u00een\u0103l\u021bimi maxime de 15 m. \u00een func\u021bie de caracteristicile solurilor naturale, este posibil\u0103 atingerea ad\u00e2ncimilor maxime de 4-6 m.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#f7f7f7&#8243;][vc_column width=&#8221;1\/2&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.owl-carousel .owl-nav div {\n  width: 36px;\n  height: 36px;\n  border-radius: 500px;\n}\n.dt-arrow-border-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.owl-carousel .owl-nav div:not(:hover):before {\n  border-width: 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background: linear-gradient();\n}\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.gallery-shortcode .gallery-zoom-ico {\n  width: 44px;\n  height: 44px;\n  line-height: 44px;\n  border-radius: 100px;\n  margin: -22px 0 0 -22px;\n  border-width: 0px;\n}\n.dt-icon-bg-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.gallery-shortcode .gallery-zoom-ico {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.gallery-shortcode .gallery-zoom-ico:before,\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec.gallery-shortcode .gallery-zoom-ico span {\n  font-size: 32px;\n  line-height: 44px;\n  color: #ffffff;\n  background: none;\n}<\/style><div class=\"owl-carousel gallery-carousel-shortcode gallery-shortcode  dt-gallery-container dt-owl-carousel-call gallery-carousel-shortcode-id-355fcb17e82e547a1ff19a89ff3fc8ec quick-scale-img enable-bg-rollover meta-info-off dt-arrow-border-on dt-arrow-hover-border-on bullets-small-dot-stroke reposition-arrows dt-icon-bg-off arrows-bg-on disable-arrows-hover-bg arrows-hover-bg-on  hover-fade \" data-scroll-mode=\"1\" data-col-num=\"1\" data-wide-col-num=\"1\" data-laptop-col=\"1\" data-h-tablet-columns-num=\"1\" data-v-tablet-columns-num=\"1\" data-phone-columns-num=\"1\" data-col-gap=\"10\" data-stage-padding=\"0\" data-speed=\"600\" data-autoplay=\"false\" data-autoplay_speed=\"6000\" data-arrows=\"true\" data-bullet=\"false\" data-next-icon=\"icon-ar-017-r\" data-prev-icon=\"icon-ar-017-l\" data-img-shadow-size=\"12px\" data-img-shadow-spread=\"3px\"><div data-post-id=\"8994\" data-date=\"2022-12-05T08:55:03+00:00\" data-name=\"deepfound2\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2022\/12\/deepfound2.png\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1920\" data-large_image_height=\"1042\" data-dt-img-description=\"\" title=\"deepfound2\"><img fetchpriority=\"high\" decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201920%201042&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2022\/12\/deepfound2.png\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2022\/12\/deepfound2.png 1920w\" loading=\"eager\" style=\"--ratio: 1920 \/ 1042\" sizes=\"(max-width: 1920px) 100vw, 1920px\" alt=\"\" width=\"1920\" height=\"1042\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div data-post-id=\"6355\" data-date=\"2021-11-17T09:59:23+00:00\" data-name=\"directory_installazione_deepfound_en\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/09\/directory_installazione_deepfound_en.png\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1367\" data-large_image_height=\"727\" data-dt-img-description=\"\" title=\"directory_installazione_deepfound_en\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201367%20727&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/09\/directory_installazione_deepfound_en.png\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/09\/directory_installazione_deepfound_en.png 1367w\" loading=\"eager\" style=\"--ratio: 1367 \/ 727\" sizes=\"(max-width: 1367px) 100vw, 1367px\" alt=\"\" width=\"1367\" height=\"727\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h3 class=\"LC20lb MBeuO DKV0Md\"><span style=\"text-decoration: underline\"><span style=\"color: #3b8ced\"><a style=\"color: #3b8ced;text-decoration: underline\" href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/software-geologia-ro-2\/deepfound-tasari-radier-general-pe-piloti\/?lang=ro\" target=\"_blank\" rel=\"noopener\">Analiz\u0103 \u0219i calcul \u2013 radier general pe pilo\u021bi \u2013 DeepFound<\/a><\/span><\/span><\/h3>\n<p style=\"text-align: justify\">Programul DeepFound permite calcularea capacit\u0103\u021bii portante \u0219i a tas\u0103rilor radierului general pe pilo\u021bi folosind\u00a0<em>metoda PDR propus\u0103 de Poulos (2000)<\/em>\u00a0ce deriv\u0103 din combinarea metodelor Poulos \u0219i Davis (1980) \u0219i din metoda Randolph (1994).<\/p>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/software-geologia-ro-2\/deepfound-tasari-radier-general-pe-piloti\/?lang=ro\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-1\" rel=\"noopener\"><span>Mai multe informa\u021bii<\/span><\/a>[\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"http:\/\/help.geostru.eu\/deepfound\/ro\/\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-2\" rel=\"noopener\"><span>Manual utilizator<\/span><\/a>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: justify\"><strong>Drenurile verticale<\/strong><\/h3>\n<p style=\"text-align: justify\">Drenurile verticale sunt rute importante pentru migrarea apelor subterane, atunci c\u00e2nd procesul de consolidare, indus, de exemplu, de o pretensionare, \u00een solurile cu permeabilitate sc\u0103zut\u0103 urmeaz\u0103 s\u0103 fie accelerat.<\/p>\n<p style=\"text-align: justify\">Instalarea drenilor este de obicei precedat\u0103 de preg\u0103tirea, pe amprenta corpului cercetatului, a unui covor de drenaj, cu func\u021bia dubl\u0103 a planului de lucru \u0219i colectarea \u0219i eliminarea apei transmise prin canale.\u00a0 \u00cen ceea ce prive\u0219te tipurile de drenuri \u0219i metodele lor de instalare, din punct de vedere istoric, drenurile realizate cu st\u00e2lpi de nisip au fost mai r\u0103sp\u00e2ndite, din cauza costului lor modest de construc\u021bie.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9325&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center\">Fig. 3 &#8211; Aplicare drenurilor<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3><strong>M\u0103rimea ajutorului <\/strong><\/h3>\n<p>\u00cen lucr\u0103rile de dimensionare de acest tip, trebuie avut \u00een vedere faptul c\u0103 comportamentul mecanic al unei funda\u021bii armate cu elemente coloanelor este \u00een func\u021bie de interac\u021biunea dintre solurile naturale \u0219i coloane, fiecare cu propriile caracteristici.<\/p>\n<p>\u00cen plus, caracteristicile mecanice, pe l\u00e2ng\u0103 factorii men\u021biona\u021bi mai sus \u0219i materialul, variaz\u0103 \u00een func\u021bie de ad\u00e2ncimea coloanei care este puternic influen\u021bat\u0103 de modul de execu\u021bie.\u00a0 Dispunerea geometric\u0103 a interven\u021biilor (fig. 4) poate duce la o distribu\u021bie a sarcinilor de la o zon\u0103 cu randament mai mare la una mai rigid\u0103.<\/p>\n<blockquote><p><em>Pentru a defini lungimea coloanelor, este necesar mai \u00eent\u00e2i s\u0103 se identifice \u0219i s\u0103 se caracterizeze volumul semnificativ al funda\u021biei, adic\u0103 acea por\u021biune de teren care, ca urmare a construc\u021biei \u0219i exploat\u0103rii cercetatului, va fi afectat\u0103 de o \u00eentindere sau o \u00eentindere semnificativ\u0103. <\/em><\/p><\/blockquote>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9359&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center\">Fig. 4 &#8211; Geometria unui sistem tipic de armare a coloanelor (a. sec\u021biune vertical\u0103;\u00a0 b. aspect planimetric triunghiular \u0219i p\u0103trat)<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#f7f7f7&#8243;][vc_column width=&#8221;1\/2&#8243;]<style type=\"text\/css\" 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.gallery-zoom-ico {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d7e5cc9d81b723e2eb437d37fa66c8df.gallery-shortcode .gallery-zoom-ico:before,\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d7e5cc9d81b723e2eb437d37fa66c8df.gallery-shortcode .gallery-zoom-ico span {\n  font-size: 32px;\n  line-height: 44px;\n  color: #ffffff;\n  background: none;\n}<\/style><div class=\"owl-carousel gallery-carousel-shortcode gallery-shortcode  dt-gallery-container dt-owl-carousel-call gallery-carousel-shortcode-id-d7e5cc9d81b723e2eb437d37fa66c8df quick-scale-img enable-bg-rollover meta-info-off dt-arrow-border-on dt-arrow-hover-border-on bullets-small-dot-stroke reposition-arrows dt-icon-bg-off arrows-bg-on disable-arrows-hover-bg arrows-hover-bg-on  hover-fade \" data-scroll-mode=\"1\" data-col-num=\"1\" data-wide-col-num=\"1\" data-laptop-col=\"1\" data-h-tablet-columns-num=\"1\" data-v-tablet-columns-num=\"1\" data-phone-columns-num=\"1\" data-col-gap=\"10\" data-stage-padding=\"0\" data-speed=\"600\" data-autoplay=\"false\" data-autoplay_speed=\"6000\" data-arrows=\"true\" data-bullet=\"false\" data-next-icon=\"icon-ar-017-r\" data-prev-icon=\"icon-ar-017-l\" data-img-shadow-size=\"12px\" data-img-shadow-spread=\"3px\"><div data-post-id=\"5812\" data-date=\"2021-10-15T13:58:14+00:00\" data-name=\"Gfas_over\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/Gfas_over-1.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1856\" data-large_image_height=\"1725\" data-dt-img-description=\"\" title=\"Gfas_over\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201856%201725&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/Gfas_over-1.jpg\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/Gfas_over-1.jpg 1856w\" loading=\"eager\" style=\"--ratio: 1856 \/ 1725\" sizes=\"(max-width: 1856px) 100vw, 1856px\" alt=\"\" width=\"1856\" height=\"1725\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div data-post-id=\"5820\" data-date=\"2021-10-15T13:58:29+00:00\" data-name=\"gfas_2\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/gfas_2-1.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1920\" data-large_image_height=\"1040\" data-dt-img-description=\"\" title=\"gfas_2\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201920%201040&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/gfas_2-1.jpg\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/gfas_2-1.jpg 1920w\" loading=\"eager\" style=\"--ratio: 1920 \/ 1040\" sizes=\"(max-width: 1920px) 100vw, 1920px\" alt=\"\" width=\"1920\" height=\"1040\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div data-post-id=\"5816\" data-date=\"2021-10-15T13:58:19+00:00\" data-name=\"GFAS_2_800\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/GFAS_2_800.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"800\" data-large_image_height=\"433\" data-dt-img-description=\"\" title=\"GFAS_2_800\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20800%20433&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/GFAS_2_800.jpg\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/10\/GFAS_2_800.jpg 800w\" loading=\"eager\" style=\"--ratio: 800 \/ 433\" sizes=\"(max-width: 800px) 100vw, 800px\" alt=\"\" width=\"800\" height=\"433\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h3 class=\"LC20lb MBeuO DKV0Md\" style=\"text-align: justify\"><span style=\"text-decoration: underline\"><span style=\"color: #3b8ced\"><a style=\"color: #3b8ced;text-decoration: underline\" href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/geotehnica-si-geologie\/gfas-element-finit-geotehnica\/?lang=ro\" target=\"_blank\" rel=\"noopener\">Element finit \u00een geotehnica \u2013 GFAS<\/a><\/span><\/span><\/h3>\n<p style=\"text-align: justify\">G.F.A.S. (Geotechnical and F.E.M. Analysis System) este un program pentru mecanica terenurilor folosind elemente finite. Este o solu\u021bie completa care integreaz\u0103 toate func\u021bionalitate necesare pentru analiza problematicilor geotehnice precum:<\/p>\n<ul>\n<li style=\"text-align: justify\">Tunel<\/li>\n<li style=\"text-align: justify\">Stabilitatea versan\u021bilor<\/li>\n<li style=\"text-align: justify\">Excava\u021bii<\/li>\n<li style=\"text-align: justify\">Tas\u0103ri ale rambleelor<\/li>\n<li style=\"text-align: justify\">Tas\u0103ri ale funda\u021biilor<\/li>\n<li style=\"text-align: justify\">Interac\u021biune teren structura<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/geotehnica-si-geologie\/gfas-element-finit-geotehnica\/?lang=ro\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-3\" rel=\"noopener\"><span>Mai multe informa\u021bii<\/span><\/a>[\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3><strong>Cum s\u0103 prevezi surparea \u00een timp <\/strong><\/h3>\n<p>GeoStru are printre aplica\u021biile sale Geoapp aplica\u021bia online &#8222;<a href=\"https:\/\/geoapp.geostru.eu\/app\/decorso-dei-cedimenti-in-presenza-di-dreni-verticali\/\" target=\"_blank\" rel=\"noopener\"><strong>Progresul subsiden\u021bei \u00een prezen\u021ba scurgerilor verticale<\/strong><\/a>&#8222;, care permite prin c\u00e2teva intr\u0103ri s\u0103 genereze grafice ale tendin\u021bei \u00een timp a gradului de consolidare \u0219i subsiden\u021b\u0103 (Fig.5)<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9329&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify\">Andamento nel tempo consolidazione = Evolu\u021bia \u00een timp a consolid\u0103rii<\/li>\n<li style=\"text-align: justify\">Andamento nel tempo cedimenti = Evolu\u021bia \u00een timp a deform\u0103rii<\/li>\n<li style=\"text-align: justify\">Senza dreni = f\u0103r\u0103 drenaj<\/li>\n<li style=\"text-align: justify\">Con dreni con efficacia ridotta = cu drenaj cu eficacitate redus\u0103<\/li>\n<li style=\"text-align: justify\">Con dreni = cu drenaj<\/li>\n<li style=\"text-align: justify\">Tempo di consolidazione t(anni) = timp de consolidare t(ani)<\/li>\n<\/ul>\n<p style=\"text-align: center\">Fig. 5 &#8211; Ie\u0219ire a progresului Geoapp al subsiden\u021bei \u00een prezen\u021ba drenurilor verticale<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Utilizatorul este urm\u0103rit pas cu pas \u00een introducerea datelor \u00een conformitate cu schema actual\u0103:[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9333&#8243; img_size=&#8221;large&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center\">Fig. 6 &#8211; Diagrama utilizat\u0103 \u00een Geoapp<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Unde cu:<\/p>\n<ul>\n<li>h<sub>1<\/sub> = grosimea stratului cu drenaj<\/li>\n<li>h<sub>2<\/sub> = grosimea stratului f\u0103r\u0103 drenaj<\/li>\n<li>h = stratul c\u0103ii de drenaj f\u0103r\u0103 drenaj<\/li>\n<li>C<sub>V<\/sub> = Coeff. consolidare vertical\u0103<\/li>\n<li>C<sub>h<\/sub> = Coeff. consolidare orizontal\u0103<\/li>\n<li>d<sub>w<\/sub> = diametrul echivalent al drenaj<\/li>\n<li>i = distan\u021ba drenajelor<\/li>\n<\/ul>\n<p>Pute\u021bi alege tipul de drenaj \u00eentre centura prefabricat\u0103 sau nisip, cu o baz\u0103 de date inclus\u0103 cu valorile de referin\u021b\u0103 ale tipului, cum ar fi diametrul drenului, grosimea, l\u0103\u021bimea, permeabilitatea \u00een func\u021bie de material etc.<\/p>\n<p style=\"text-align: justify\">Modelul de calcul prevede alegerea aranjamentului drenurilor de plas\u0103 p\u0103trate sau a cuincunxului (Fig. 7):<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9337&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<ul>\n<li>Dreni verticali = Drenaj vertical<\/li>\n<li>Disposizione dei dreni a quinconce = aranjatea drenurilor a quincunx<\/li>\n<li>Disposizione a maglia quadrata = aranjament cu ochiuri p\u0103trate<\/li>\n<li>Condizioni al contorno = condi\u021bii limit\u0103<\/li>\n<li>Se la base e impermeabile = dac\u0103 baza e impermeabil\u0103<\/li>\n<\/ul>\n<p style=\"text-align: center\">Fig. 7 \u2013 Model de aranjament a drenurilor<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\">Alte date de intrare sunt coeficientul de form\u0103, sagging previzibil exprimat \u00een cm, coeficien\u021bi de permeabilitate orizontal\u0103 \u0219i filtru, diametrul zonei perturbate, modul de desc\u0103rcare de dren (un cap\u0103t sau dou\u0103).<\/p>\n<p style=\"text-align: justify\">Rezultatul va fi conform figurii 5, unde tendin\u021bele \u00een momentul consolid\u0103rii \u0219i al subsiden\u021bei sunt eviden\u021biate \u00een 3 cazuri diferite: F\u0103r\u0103 canale de scurgere, cu canale de scurgere cu eficien\u021b\u0103 redus\u0103 (lu\u00e2nd \u00een considerare efectul rezisten\u021bei hidraulice a drenului este rehash-ul solului) \u0219i cu canale de scurgere.<\/p>\n<p style=\"text-align: justify\">Defec\u021biune \u00een prezen\u021ba scurgerilor verticale. Aplica\u021bie care permite analizarea cursului de sc\u0103dere \u00een timp, \u00een solurile cu boabe fine \u00een prezen\u021ba scurgerilor verticale. 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data-name=\"icona_geoapp cedimenti\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2023\/01\/icona_geoapp-cedimenti.png\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1600\" data-large_image_height=\"1600\" data-dt-img-description=\"\" title=\"icona_geoapp cedimenti\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201600%201600&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2023\/01\/icona_geoapp-cedimenti.png\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2023\/01\/icona_geoapp-cedimenti.png 1600w\" loading=\"eager\" style=\"--ratio: 1600 \/ 1600\" sizes=\"(max-width: 1600px) 100vw, 1600px\" alt=\"geoapp dreni consolidamento Surparea\" width=\"1600\" height=\"1600\"  \/><span class=\"gallery-rollover\"><\/span><\/a><\/figure><\/div><\/div>[\/vc_column][vc_column width=&#8221;3\/4&#8243;][vc_column_text]<\/p>\n<h3 style=\"text-align: justify\"><span style=\"text-decoration: underline\"><span style=\"color: #3b8ced\"><a style=\"color: #3b8ced;text-decoration: underline\" href=\"https:\/\/geoapp.geostru.eu\/app\/decorso-dei-cedimenti-in-presenza-di-dreni-verticali\/?lang=ro\" target=\"_blank\" rel=\"noopener\">Surparea \u00een prezen\u021ba drenajelor\/scurgerilor verticale<\/a><\/span><\/span><\/h3>\n<p style=\"text-align: justify\">Aplica\u021bia care permite analizarea sup\u0103rii \u00een timp, \u00een solurile cu boabe fine \u00een prezen\u021ba drenajelor verticale.<\/p>\n<p style=\"text-align: justify\">Abilitatea de a salva \u0219i \u00eenc\u0103rca proiectul, crearea grafic\u0103 a tendin\u021bei de subsiden\u021b\u0103 \u0219i consolidare \u00een timp \u0219i exportarea rela\u021biei de calcul complet\u0103 a indiciilor \u00een format .docx<\/p>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"https:\/\/geoapp.geostru.eu\/app\/decorso-dei-cedimenti-in-presenza-di-dreni-verticali\/?lang=ro\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-4\" rel=\"noopener\"><span>Merge\u021bi la Geoapp<\/span><\/a>[\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<blockquote><p>Bibliografie: <span style=\"text-decoration: underline\"><span style=\"color: #3b8ced\"><a style=\"color: #3b8ced;text-decoration: underline\" href=\"https:\/\/associazionegeotecnica.it\/wp-content\/uploads\/2014\/01\/rig_310_030.pdf\" target=\"_blank\" rel=\"noopener\">Consolidamento delle fondazioni di rilevati stradali e ferroviari &#8211; Paolo Croce, Giuseppe Modoni &#8211; Universit\u00e0 degli studi di Cassino<\/a><\/span><\/span><\/p><\/blockquote>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] \u00cen proiectarea rambleurilor rutiere \u0219i feroviare pe soluri cu granula\u021bie fin\u0103 sau cu granula\u021bie foarte fin\u0103, e necesar\u0103 \u00een\u021belegerea tendin\u021bei de surpare a terenului \u00een decursului timpului. Acest lucru se datoreaz\u0103 faptului c\u0103, \u00een cazul infiltr\u0103rii apei, procesul de drenaj are loc foarte lent pe termen mediu \u0219i lung. Problema este resim\u021bit\u0103 \u00een special&hellip;<\/p>\n","protected":false},"author":16658,"featured_media":9365,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1595,1969,1596,1443,821],"tags":[2123,2124,2125,2126,2127,2128,2129],"class_list":["post-9441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geologie","category-geotehnica-ro","category-ingegneria-2-ro","category-articoli-geotecnica-ro","category-ingegneria-ro","tag-cedimenti-ro","tag-consolidamento-ro","tag-deep-mixing-ro","tag-jet-grouting-ro","tag-pali-ro","tag-rilevati-ro","tag-stone-columns-ro","category-1595","category-1969","category-1596","category-1443","category-821","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Surparea terenului \u00een realizarea rambleurilor - 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