{"id":44398,"date":"2025-01-25T08:43:06","date_gmt":"2025-01-25T07:43:06","guid":{"rendered":"https:\/\/betoff.eu\/?p=44398"},"modified":"2025-01-25T08:43:06","modified_gmt":"2025-01-25T07:43:06","slug":"poskodeny-beton","status":"publish","type":"post","link":"https:\/\/betoff.eu\/sk\/poskodeny-beton\/","title":{"rendered":"PO\u0160KODEN\u00dd BET\u00d3N"},"content":{"rendered":"\r\n

PO\u0160KODEN\u00dd BET\u00d3N . PRERAZTE BET\u00d3N, ABY STE ZABEZPE\u010cILI DOSTATO\u010cN\u00da ADHESIU
Po\u0161kodenie bet\u00f3nu m\u00f4\u017ee by\u0165 za\u010diatkom v\u00e1\u017enych probl\u00e9mov. Probl\u00e9m s bet\u00f3nom spo\u010d\u00edva v tom, \u017ee nikdy si nem\u00f4\u017eete by\u0165 ist\u00ed, ako ho ovplyvn\u00ed \u00fader.<\/p>\r\n\r\n\r\n\r\n

Tvrd\u0161ie kamenivo sa \u013eahko uvo\u013en\u00ed spolu s jemn\u00fdm prachom a cementovou pastou. Pevnos\u0165 bet\u00f3nu v tlaku sa na rozdiel od ocele men\u00ed. V d\u00f4sledku toho otrysk\u00e1vanie nevedie k ukotven\u00e9mu postreku alebo konzistentn\u00e9mu profilu povrchu. Povrch otryskan\u00e9ho bet\u00f3nu predstavuje kr\u00e1ter vyplnen\u00fd hlbok\u00fdmi \u017eilkami a p\u00f3rmi.<\/p>\r\n\r\n\r\n\r\n

Opravn\u00e1 malta, bet\u00f3nov\u00e1 krycia vrstva a n\u00e1tery sa musia roztavi\u0165 a prenikn\u00fa\u0165 do kapil\u00e1rnej siete podkladu, aby sa zaru\u010dila spr\u00e1vna pri\u013enavos\u0165. Pr\u00edpadn\u00e1 upchat\u00e1 sie\u0165 sa po\u010das tryskania odhal\u00ed, \u010d\u00edm sa zdrsn\u00ed aj bet\u00f3nov\u00fd ter\u00e9n a zvidite\u013en\u00ed sa kamenivo.<\/p>\r\n\r\n\r\n\r\n

Ako m\u00f4\u017ee pieskova\u010d ur\u010di\u0165, \u010di zmeral h\u013abku v mikrometroch a \u010di dosiahol ur\u010den\u00fd profil povrchu bez vrcholov a \u00fadol\u00ed, na ktor\u00e9 treba aplikova\u0165 p\u00e1sku? Ak\u00e1 je defin\u00edcia profilu bet\u00f3nu?<\/p>\r\n\r\n\r\n\r\n

Existuj\u00fa aj \u010fal\u0161ie probl\u00e9my. Spr\u00e1vne pripraven\u00fd bet\u00f3nov\u00fd povrch mus\u00ed by\u0165 okrem d\u00f4kladn\u00e9ho vy\u010distenia aj neporu\u0161en\u00fd a bez ne\u010dist\u00f4t. Ke\u010f\u017ee je v\u0161ak bet\u00f3n pomerne por\u00e9zny, zne\u010dis\u0165uj\u00face l\u00e1tky \u010dasto prenikaj\u00fa hlboko pod povrch a oslabuj\u00fa podklad a\u017e do bodu, do ktor\u00e9ho sa tryskacie zariadenie nedostane. Jedin\u00e1 \u010das\u0165 stvrdnutej cementovej hmoty, ktor\u00fa je potrebn\u00e9 odstr\u00e1ni\u0165 pri in\u00fdch aplik\u00e1ci\u00e1ch, ako s\u00fa dekorat\u00edvne \u00fapravy povrchu, je drobiv\u00e1 vrstva. Ak je proces otrysk\u00e1vania pr\u00edli\u0161 siln\u00fd alebo pr\u00edli\u0161 slab\u00fd, \u010do by ste mali urobi\u0165?<\/p>\r\n\r\n\r\n\r\n

T\u00fdmito a \u010fal\u0161\u00edmi ot\u00e1zkami sa zaober\u00e1 t\u00e1to pr\u00edru\u010dka o pr\u00edprave povrchu bet\u00f3nu. Potom mus\u00edte pochopi\u0165, ako a pre\u010do m\u00f4\u017ee d\u00f4js\u0165 k po\u0161kodeniu bet\u00f3nu, ako aj to, ako ho opravi\u0165.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N Bezchybn\u00fd bet\u00f3n<\/h2>\r\n\r\n\r\n\r\n

Pri\u013enavos\u0165 medzi po\u0161koden\u00fdm bet\u00f3nom a n\u00e1termi, plnidlami alebo opravnou maltou mo\u017eno zachova\u0165. Napriek tomu sa po\u0161koden\u00fd bet\u00f3n pri tlaku odtrhne od stropu. Indik\u00e1tory po\u0161kodenia bet\u00f3nu, ako s\u00fa mikrotrhliny, p\u013euzgiere, odlupovanie alebo delamin\u00e1cia, je potrebn\u00e9 pred \u00fapravou povrchu vyplni\u0165 a vy\u010disti\u0165.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N. \u0160es\u0165 ukazovate\u013eov popraskan\u00e9ho bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Vidite\u013en\u00e9 trhliny<\/h3>\r\n\r\n\r\n\r\n

Jedn\u00fdm z najv\u00fdraznej\u0161\u00edch ukazovate\u013eov degrad\u00e1cie bet\u00f3nu s\u00fa vidite\u013en\u00e9 trhliny, ktor\u00e9 m\u00f4\u017eu ma\u0165 nieko\u013eko pr\u00ed\u010din. K vzniku povrchov\u00fdch trhl\u00edn vedie r\u00fdchla strata povrchovej vody po\u010das procesu vytvrdzovania. Ak ho polo\u017e\u00edte na podklad, strop sa m\u00f4\u017ee roz\u0161tiepi\u0165 na dve \u010dasti. Pr\u00ed\u010dinou m\u00f4\u017eu by\u0165 trhliny, ktor\u00e9 sa stan\u00fa vidite\u013en\u00fdmi hne\u010f pri ve\u013ekom za\u0165a\u017een\u00ed alebo n\u00e1razoch, alebo mikrotrhliny, ktor\u00e9 sa \u010dasom stan\u00fa zjavn\u00fdmi.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N Drobn\u00e9 trhliny<\/h2>\r\n\r\n\r\n\r\n

Mikrotrhliny sa meraj\u00fa na mikrometrovej stupnici a s\u00fa nepostrehnute\u013en\u00e9 vo\u013en\u00fdm okom. Vznikaj\u00fa v d\u00f4sledku zmrazovania a rozmrazovania, teplotn\u00fdch zmien, ku ktor\u00fdm doch\u00e1dza po\u010das hydrat\u00e1cie cementu, pre\u0165a\u017eenia, n\u00e1razov od padaj\u00facich z\u00e1va\u017e\u00ed a n\u00e1razov\u00fdch zariaden\u00ed, ako s\u00fa kladiv\u00e1 a b\u00faracie kladiv\u00e1. Ke\u010f sa v bl\u00edzkosti povrchu vytvor\u00ed sie\u0165 mikrotrhl\u00edn, vznikaj\u00fa tlakov\u00e9 stopy. Na kamenive sa prejavia, ke\u010f sa poru\u0161en\u00fd bet\u00f3n rozpadne.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N. Bubliny<\/h2>\r\n\r\n\r\n\r\n

K bublin\u00e1m doch\u00e1dza, ke\u010f sa pod povrchom zachytia vzduchov\u00e9 bubliny a bet\u00f3n nem\u00f4\u017ee unikn\u00fa\u0165, napr\u00edklad v d\u00f4sledku pred\u010dasn\u00e9ho vysychania povrchu vplyvom vetra, pou\u017eitia pr\u00edli\u0161 visk\u00f3znej zmesi, ktor\u00e1 pr\u00edli\u0161 r\u00fdchlo utes\u0148uje povrch, alebo pred\u010dasn\u00e9ho nanesenia tmelu na bet\u00f3n.<\/p>\r\n\r\n\r\n\r\n

Bet\u00f3n<\/h2>\r\n\r\n\r\n\r\n

Ke\u010f voda zamrzne v p\u00f3roch a kapil\u00e1rach bet\u00f3nu, doch\u00e1dza k \u0161etreniu. Prasknut\u00e1 malta sa odde\u013euje od povrchu a odha\u013euje kamenivo, ke\u010f hydraulick\u00fd tlak rast\u00faceho \u013eadu prekro\u010d\u00ed pevnos\u0165 bet\u00f3nu v \u0165ahu.<\/p>\r\n\r\n\r\n\r\n

Zne\u010distenie a sp\u00e1rovanie s\u00fa porovnate\u013en\u00e9, ale sp\u00e1rovanie sa roz\u0161iruje \u010falej do bet\u00f3nu. V d\u00f4sledku toho sa povrch l\u00e1me na v\u00e4\u010d\u0161ie kusy. Medzi be\u017en\u00e9 pr\u00ed\u010diny patr\u00ed kor\u00f3zia v\u00fdstu\u017ee vyvolan\u00e1 karbonat\u00e1ciou, nadmern\u00e9 teplo sp\u00f4sobuj\u00face ve\u013emi r\u00fdchlu expanziu vodn\u00fdch p\u00e1r, zle zhotoven\u00e9 spoje a v\u00e4\u010d\u0161ie trhliny.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N. Usporiadanie<\/h2>\r\n\r\n\r\n\r\n

Ke\u010f sa povrchov\u00e1 \u00faprava aplikuje sk\u00f4r, ako bet\u00f3n umo\u017en\u00ed \u00fanik vzduchu a vody, sp\u00f4sobuje delamin\u00e1ciu, ktor\u00e1 je charakterizovan\u00e1 dutou horizont\u00e1lnou \u00farov\u0148ou pod povrchom. Ke\u010f sa oblas\u0165 delamin\u00e1cie oddel\u00ed od bet\u00f3novej dosky v d\u00f4sledku dopravy alebo siln\u00e9ho za\u0165a\u017eenia, kamenivo je obna\u017een\u00e9.<\/p>\r\n\r\n\r\n\r\n

Poru\u0161en\u00fd bet\u00f3n. \u0160es\u0165 d\u00f4vodov, pre\u010do sa bet\u00f3n po\u0161kodzuje<\/h2>\r\n\r\n\r\n\r\n

Proces karboniz\u00e1cie<\/h3>\r\n\r\n\r\n\r\n

Ke\u010f sa oxid uhli\u010dit\u00fd spoj\u00ed s vlhkos\u0165ou a hydroxidom v\u00e1penat\u00fdm v cemente a prenikne na povrch cez p\u00f3ry a mikrotrhliny, doch\u00e1dza ku karboniz\u00e1cii. N\u00e1sledkom toho vznik\u00e1 uhli\u010ditan v\u00e1penat\u00fd. V d\u00f4sledku toho bet\u00f3n najprv stvrdne. Z\u00e1rove\u0148 v\u0161ak doch\u00e1dza k zn\u00ed\u017eeniu hodnoty pH z 13 na 8. V d\u00f4sledku tohto zn\u00ed\u017eenia alkality je ulo\u017een\u00e1 oce\u013eov\u00e1 v\u00fdstu\u017e n\u00e1chyln\u00e1 na hrdzavenie.<\/p>\r\n\r\n\r\n\r\n

Kor\u00f3zia \u017eelezobet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Hrdza, ktor\u00e1 je tvoren\u00e1 hydratovan\u00fdm \u017eelezom, je \u0165a\u017e\u0161ia ako oce\u013e, ktor\u00fa nahr\u00e1dza. \u0164ahov\u00e9 nap\u00e4tia vyvolan\u00e9 rozp\u00ednaj\u00facou sa hmotou hrdze vytv\u00e1raj\u00fa v bet\u00f3ne trhliny, ktor\u00e9 sa nakoniec odl\u00fapnu.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N. Chemick\u00e9 po\u0161kodenie<\/h2>\r\n\r\n\r\n\r\n

Sulf\u00e1ty reaguj\u00fa s hydratovan\u00fdmi zlo\u017ekami v podzemnej vode, ktor\u00e1 prenik\u00e1 cez bet\u00f3n a rozp\u00edna sa. Vznik\u00e1 tak mechanick\u00e9 po\u0161kodenie. Chemick\u00e9 l\u00e1tky m\u00f4\u017eu tie\u017e rozklada\u0165, degradova\u0165 a oslabova\u0165 cementov\u00fa pastu.<\/p>\r\n\r\n\r\n\r\n

Po\u0161kodenie oh\u0148om<\/h2>\r\n\r\n\r\n\r\n

Hoci bet\u00f3n nehor\u00ed, ke\u010f sa pr\u00edli\u0161 zahreje, str\u00e1ca v\u00e4\u010d\u0161inu svojej pru\u017enosti a pevnosti v ohybe a tlaku. Odlupovanie bet\u00f3nu m\u00f4\u017ee by\u0165 sp\u00f4soben\u00e9 rozp\u00ednaj\u00facou sa vodnou parou, ktor\u00e1 sa sna\u017e\u00ed unikn\u00fa\u0165.<\/p>\r\n\r\n\r\n\r\n

Pre\u0165a\u017eenie a jeho \u00fa\u010dinky<\/h2>\r\n\r\n\r\n\r\n

Mikrotrhliny a trhliny vznikaj\u00fa v bet\u00f3ne, ke\u010f je vystaven\u00fd siln\u00e9mu nam\u00e1haniu, najm\u00e4 n\u00e1razom. Rozsiahle mikrotrhliny m\u00f4\u017eu vznikn\u00fa\u0165 pri n\u00e1razoch n\u00e1strojov.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N. Pr\u00edli\u0161 vlhk\u00fd bet\u00f3n<\/h2>\r\n\r\n\r\n\r\n

Ak je v zmesi pr\u00edli\u0161 ve\u013ea vody, cement presakuje na povrch. Cementov\u00e1 malta, zmr\u0161\u0165ovanie, praskanie a zn\u00ed\u017een\u00e1 odolnos\u0165 proti tlaku s\u00fa d\u00f4sledkom vysychania povrchu pred jeho stvrdnut\u00edm.<\/p>\r\n\r\n\r\n\r\n

Rozbit\u00fd bet\u00f3n. Zis\u0165ovanie po\u0161kodenia bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Vizu\u00e1lne presk\u00famanie povrchu m\u00f4\u017ee pom\u00f4c\u0165 pri identifik\u00e1cii najhor\u0161\u00edch po\u0161koden\u00ed, medzi ktor\u00e9 patr\u00ed delamin\u00e1cia, trhliny a \u0161paldovanie. Niekedy je v\u0161ak \u0165a\u017ek\u00e9 zisti\u0165, ak\u00e9 ve\u013ek\u00e9 je po\u0161kodenie bet\u00f3nu.<\/p>\r\n\r\n\r\n\r\n

Pou\u017eitie kladiva na poklepanie je najjednoduch\u0161\u00ed pr\u00edstup na identifik\u00e1ciu slab\u00fdch miest. V bet\u00f3ne je dobr\u00e1 pevnos\u0165 v tlaku, ke\u010f sa hlava kladiva rozkmit\u00e1. Bet\u00f3n je potrebn\u00e9 odstr\u00e1ni\u0165, ak hlava kladiva urob\u00ed priehlbiny a rozpr\u00e1\u0161i povrch.<\/p>\r\n\r\n\r\n\r\n

Zhor\u0161enie stavu bet\u00f3nu mo\u017eno identifikova\u0165 aj prejden\u00edm skrutkova\u010da po povrchu. Bet\u00f3n je v poriadku, ak skrutkova\u010d zanech\u00e1va za sebou jasn\u00fa bielu stopu. Ak sa skrutkova\u010dom po\u0161kriabe pr\u00e1\u0161ok, bet\u00f3n sa po\u0161kod\u00ed.<\/p>\r\n\r\n\r\n\r\n

\u0164a\u017e\u0161ie sa identifikuj\u00fa situ\u00e1cie, ke\u010f sa pod povrchom vytvoril vzduch, voda alebo nenas\u00fdten\u00fd materi\u00e1l, preto\u017ee povrch m\u00f4\u017ee by\u0165 st\u00e1le dostato\u010dne neporu\u0161en\u00fd, aby pre\u0161iel sk\u00fa\u0161kou skrutkova\u010dom alebo kladivom. Doch\u00e1dza v\u0161ak k po\u0161kodeniu \u0161trukt\u00fary bet\u00f3nu. Oblasti s r\u00f4znou hustotou mo\u017eno rozl\u00ed\u0161i\u0165 po\u010d\u00favan\u00edm zvuku vyd\u00e1van\u00e9ho pri poklep\u00e1van\u00ed na bet\u00f3n. Tieto dutiny sa daj\u00fa n\u00e1js\u0165 v rozsiahlych oblastiach bu\u010f vyu\u017eit\u00edm zariadenia na zahmlievanie povrchu postupn\u00fdm prech\u00e1dzan\u00edm re\u0165az\u00ed, alebo prech\u00e1dzan\u00edm re\u0165aze po povrchu.<\/p>\r\n\r\n\r\n\r\n

Odstra\u0148ovanie sa m\u00f4\u017ee za\u010da\u0165 hne\u010f po zisten\u00ed stup\u0148a po\u0161kodenia bet\u00f3nu.<\/p>\r\n\r\n\r\n\r\n

PO\u0160KODEN\u00dd BET\u00d3N: Odstra\u0148ovanie po\u0161koden\u00e9ho bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Ak je po\u0161koden\u00e1 v\u00e4\u010d\u0161ina povrchu bet\u00f3nu, odpor\u00fa\u010da sa na odstr\u00e1nenie po\u0161kodenej vrstvy pou\u017ei\u0165 mechanick\u00e9 met\u00f3dy (op\u00edsan\u00e9 ni\u017e\u0161ie). Ob\u013e\u00fabenou technikou je pou\u017eitie kladiva, b\u00faracieho kladiva, kladiva na bet\u00f3n alebo in\u00e9ho \u00faderov\u00e9ho n\u00e1stroja na rozbitie poru\u0161en\u00e9ho bet\u00f3nu v ur\u010dit\u00fdch oblastiach postihnut\u00fdch oblast\u00ed, ak je to potrebn\u00e9.<\/p>\r\n\r\n\r\n\r\n

Skvel\u00fdm postupom je za\u010da\u0165 v strede slab\u00e9ho miesta a postupova\u0165 smerom k okrajom. Ale aj pri pou\u017eit\u00ed tenkej vrstvy epoxidovej alebo cementovej v\u00fdplne na opravu dier alebo priehlb\u00edn by ste sa mali vyhn\u00fa\u0165 ostr\u00fdm hran\u00e1m: Vrstva sa nakoniec stane pr\u00edli\u0161 tenkou na to, aby \u00faplne pokryla povrch s profilom. Lep\u0161iu pevnos\u0165 v \u0165ahu mo\u017eno dosiahnu\u0165 zrazen\u00edm hlbok\u00fdch ostr\u00fdch hr\u00e1n; napriek tomu sa najlep\u0161ie osved\u010duje podrezan\u00e1 alebo zvisl\u00e1 hrana.<\/p>\r\n\r\n\r\n\r\n

Pri vypl\u0148ovan\u00ed priehlbiny alebo priehlb\u00edn bet\u00f3nom alebo in\u00fdm hrub\u00fdm kompozitom sa odpor\u00fa\u010da vytvori\u0165 okolo po\u0161kodenej oblasti pravouhl\u00fd okraj pomocou rezov p\u00edlou. Pravouhl\u00e1 hrana sa vytvor\u00ed, ke\u010f udriete smerom von k okraju, preto\u017ee povrchov\u00fd materi\u00e1l sa pri reze odlom\u00ed.<\/p>\r\n\r\n\r\n\r\n

Rozbit\u00fd bet\u00f3n. Oprava po\u0161kodenia bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Diery alebo dutiny mo\u017eno po odstr\u00e1nen\u00ed po\u0161koden\u00e9ho bet\u00f3nu opravi\u0165 pomocou bet\u00f3nu, malty, tmelu, epoxidu alebo in\u00e9ho opravn\u00e9ho roztoku. Okrem toho sa dutiny v bet\u00f3ne musia vyplni\u0165, aby sa zachovala celistvos\u0165 kon\u0161trukcie.<\/p>\r\n\r\n\r\n\r\n

Pou\u017eitie tryskania pri odstra\u0148ovan\u00ed bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Oper\u00e1tori trhac\u00edch pr\u00e1c m\u00f4\u017eu po\u010das f\u00e1zy odstra\u0148ovania bet\u00f3nu man\u00e9vrova\u0165 dvoma sp\u00f4sobmi.<\/p>\r\n\r\n\r\n\r\n

P\u00f3ry naplnen\u00e9 prachom lemuj\u00fa hladk\u00e9, vertik\u00e1lne povrchy, ktor\u00e9 zostali po rezoch p\u00edlou. Aby sa zabezpe\u010dil kontaktn\u00fd povrch pre opravn\u00fd materi\u00e1l, otrysk\u00e1vacie postupy otv\u00e1raj\u00fa p\u00f3ry a zdrs\u0148uj\u00fa povrch.<\/p>\r\n\r\n\r\n\r\n

Pri odstra\u0148ovan\u00ed po\u0161koden\u00e9ho bet\u00f3nu pomocou r\u00e1zov\u00fdch n\u00e1strojov vznikaj\u00fa rozsiahle mikrotrhliny. Cie\u013e opravy povrchu, ktor\u00fd bol naru\u0161en\u00fd mikrotrhlinami, je zmaren\u00fd. Najlep\u0161ou technikou na odstr\u00e1nenie povrchov\u00fdch mikrotrhl\u00edn je pieskovanie.<\/p>\r\n\r\n\r\n\r\n

Rozbit\u00fd bet\u00f3n. Oprava po\u0161koden\u00e9ho bet\u00f3nu<\/h2>\r\n\r\n\r\n\r\n

Diery alebo dutiny mo\u017eno po odstr\u00e1nen\u00ed po\u0161koden\u00e9ho bet\u00f3nu vyplni\u0165 bet\u00f3nom, maltou, tmelom, epoxidom alebo in\u00fdm typom opravn\u00e9ho roztoku. Okrem toho sa dutiny v bet\u00f3ne musia vyplni\u0165, aby vznikol integrovan\u00fd.<\/p>\r\n\r\n\r\n\r\n

Ako \u010disti\u0165 bet\u00f3n?<\/h2>\r\n\r\n\r\n\r\n

Na\u0161ou najlep\u0161ou tekutinou na \u010distenie bet\u00f3nu je BETOFF-B<\/a>, ktor\u00e1 \u013eahko odstr\u00e1ni v\u0161etky ne\u010distoty. Je 100 %<\/a> biologicky odb\u00farate\u013en\u00e1<\/a>, nezap\u00e1cha a po\u010das pou\u017e\u00edvania sa nedus\u00ed.<\/p>\r\n\r\n\r\n\r\n

\"PO\u0160KODEN\u00dd<\/figure>\r\n\r\n\r\n\r\n

Ako rozp\u00fa\u0161\u0165a\u0165 cementov\u00e9 a bet\u00f3nov\u00e9 ne\u010distoty?<\/h2>\r\n\r\n\r\n\r\n

Najlep\u0161ou<\/a> tekutinou na rozp\u00fa\u0161\u0165anie<\/a> zaschnut\u00e9ho bet\u00f3nu je BETOFF<\/a> (koncentr\u00e1t), ktor\u00fd \u013eahko zmen\u00ed bet\u00f3n na blato.<\/p>\r\n\r\n\r\n\r\n

\"BET\u00d3N\"<\/figure>\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"

PO\u0160KODEN\u00dd BET\u00d3N . PRERAZTE BET\u00d3N, ABY STE ZABEZPE\u010cILI DOSTATO\u010cN\u00da ADHESIUPo\u0161kodenie bet\u00f3nu m\u00f4\u017ee by\u0165 za\u010diatkom v\u00e1\u017enych probl\u00e9mov. Probl\u00e9m s bet\u00f3nom spo\u010d\u00edva v tom, \u017ee nikdy si nem\u00f4\u017eete by\u0165 ist\u00ed, ako ho ovplyvn\u00ed \u00fader. Tvrd\u0161ie kamenivo sa \u013eahko uvo\u013en\u00ed spolu s jemn\u00fdm prachom a cementovou pastou. Pevnos\u0165 bet\u00f3nu v tlaku sa na rozdiel od ocele men\u00ed. V […]\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[571],"tags":[],"class_list":["post-44398","post","type-post","status-publish","format-standard","hentry","category-news-6"],"yoast_head":"\nPO\u0160KODEN\u00dd BET\u00d3N - BETOFF-Produkty pre svet bet\u00f3nu aj mimo neho!<\/title>\n<meta name=\"description\" content=\"PO\u0160KODEN\u00dd BET\u00d3N. Ako opravi\u0165 po\u0161koden\u00fd bet\u00f3n? Ak\u00fa kvapalinu pou\u017ei\u0165 na \u010distenie bet\u00f3nov\u00e9ho povrchu? 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