Li-additives tsa Konkreite tse bobebe | Li-Agents tse Foaming tse Phahameng ka ho Fetisisa bakeng sa Konkreite ea Cellular
Ts'ebetso ea tlhahiso ea konkreite e bobebe ea cellular e kenyelletsa ho kopanya lisebelisoa tsa samente, kakaretso e mahoashe, fiber le ntho e etsang khase ho etsa seretse se teteaneng le se hlakileng se ka phophomang le ho phekoleha sebakeng sa mocheso oa kamore.. Tlhahiso ea mofuta ona o mocha oa konkreite e bonolo haholo ebile e na le chelete e ngata ho etsa hore e be mokhoa o tummeng ho feta mefuta e tloaelehileng ea kaho. Ts'ebetso ea ho phophoma e sebelisa ntho e entsoeng ka selulose e thehiloeng ho Genfil e hlahisang lipulumo tsa moea tse tsitsitseng tsa boholo bo fapaneng ho tloha ho. 0.1 ho 1.5 mm ka bophara. Joale motsoako o kopantsoe le metsi ebe o tšeloa ka har'a liforomo ho etsa ntho e tiileng. Metsoako e fapaneng e ka ekeletsoa motsoakong ho kenyelletsa le molora oa fofa, superplasticizer le lisebelisoa tse fokotsang shrinkage.
Joale metsoako ea konkreite e kenngoa ka har'a hlobo ebe e lumelloa ho beha tlas'a maemo a laoloang. Nakong ea ho folisoa ha slurry e tsosoa khafetsa ho netefatsa boleng bo tšoanang le bo tsitsitseng. Haeba mehato e nepahetseng e nkuoa ho sireletsa seretse ho tloha maemong a moea sebakeng sa ho beha le ho etsa bonnete ba hore konkreite ha e arohane pele ho beoa., mapetsong a polasetiki a shrinkage a ke ke a etsahala.
The slurry e ka ntlafatsoa le ho feta ka ho eketsoa ha superplasticizer ho eketsa ts'ebetso ea eona ho metsi a tlase le sesebelisoa se kenang moeeng ho ntlafatsa boholo ba pore ea konkreite le ho eketsa matla a eona.. Sena se finyelloa ntle le ho ama sebopeho sa cellular sa konkreite. Holim'a moo, sesebelisoa se fokotsang shrinkage se eketsoa ho fokotsa ho omisa ho fokotseha le ho felisa ho phunyeha ha konkreite. Moemeli oa ho fokotsa shrinkage o khethoa ho tsoa sehlopheng se nang le li-adducts tsa alkyl ether oxyalkylene., diethylene glycol, dipropylene glycol le tripropylene glycol.