Canjin abun ciki na latex foda yana da tasirin gaske akan ƙarfin sassauƙa na turmi polymer. Lokacin da abun ciki na latex foda shine 3%, 6% da 10%, ƙarfin flexural na gardama ash-metakaolin geopolymer turmi za a iya ƙara da 1.8, 1.9 da 2.9 sau bi da bi. Ikon tashi ash-metakaolin turmi geopolymer don tsayayya da nakasawa yana ƙaruwa tare da haɓaka abun ciki na latex foda. Lokacin da abun ciki na latex foda shine 3%, 6% da 10%, flexural tauri na gardama ash-metakaolin geopolymer yana ƙaruwa da sau 0.6, 1.5 da 2.2, bi da bi.
Latex foda muhimmanci inganta flexural da bonding tensile ƙarfi na siminti turmi, game da shi inganta sassauci na siminti turmi da kuma kara bonding tensile ƙarfi na mu'amala yankin na ciminti turmi-kakakkun da siminti turmi-EPS hukumar tsarin.
Lokacin da rabon poly-ash shine 0.3-0.4, haɓakar haɓakar turmi na ciminti da aka canza ta polymer ya tashi daga ƙasa da 0.5% zuwa kusan 20%, don haka abu ya sami canji daga rigidity zuwa sassauci, kuma yana ƙara yawan adadin. na polymer na iya samun Mafi kyawun sassauci.
Ƙara yawan adadin latex foda a cikin turmi zai iya inganta sassauci. Lokacin da abun ciki na polymer ya kai kusan 15%, sassaucin turmi yana canzawa sosai. Lokacin da abun ciki ya fi wannan abun ciki, sassaucin turmi yana ƙaruwa sosai tare da karuwar abun ciki na latex foda.
Ta hanyar haɗa ƙarfin fashewa da gwaje-gwajen nakasawa, an gano cewa tare da haɓaka abun ciki na latex foda (daga 10% zuwa 16%), sassaucin turmi ya karu a hankali, kuma ƙarfin ƙwanƙwasa mai ƙarfi (7d) ya ƙaru daga 0.19mm zuwa 0.67 mm, yayin da nakasar gefe (28d) ta karu daga 2.5mm zuwa 6.3mm. Har ila yau, an gano cewa karuwar abun ciki na latex foda zai iya dan kadan ya kara matsi na baya na turmi, kuma yana iya rage shayar da ruwa na turmi. Tare da karuwar abun ciki na latex foda, tsayin daka na ruwa na turmi ya ragu a hankali. Lokacin da abun ciki na latex foda an daidaita shi zuwa 10% -16%, slurry da aka gyara na ciminti ba zai iya samun sassauci mai kyau kawai ba, amma kuma yana da kyakkyawan juriya na ruwa na dogon lokaci.
Lokacin aikawa: Maris-09-2023