Mea Faaopoopo Sima Mama | Su'esu'e Foa'e maualuga mo le Sima Cellular
O a meafaitino o sima foam?
O vaega autu o le sima foamed o le sima, lefulefu lele, asu silika, alavalava, ma isi. O nisi vaega e tele atu sima, ma o nisi vaega e itiiti fua sima, e tatau la ona auiliili auiliili fa'afitauli fa'apitoa. Aua o le sima foamed e tele lava ina fofo i lalo o tulaga masani o le vevela, ma se aofaiga tele o le foam ua faaopoopo, o nei mea e lua e iloa ai o le a maualuga lona fua sima.
O le a le ALC?
O le ALC o le fa'apuupuuga ole sima mama mama, lea o se ituaiga o maualuga-faatinoga autoclaved sima aerated (ALC). ALC laupapa e faia i le pefu lele (po'o le oneone silica), sima, lime, ma isi. e avea ma mea autu autu, ma e fa'amaloloina e ala i le ausa maualuga maualuga e fai ai se laupepa sima porous (o lo'o i ai fa'amalosi uamea fa'apolokalameina). ALC laupapa e mafai ona faʻaaogaina e fai ma mea puipui ma faʻapipiʻi taualuga. O se ituaiga fou o mea faufale e sili atu le faʻatinoga. ALC laupapa muamua na aliali mai i Europa, ma Iapani, Europa ma isi itulagi e sili atu nai lo 40 tausaga o le gaosiga ma le talafaasolopito o le talosaga. I le taimi nei, o le gaosiga o tekonolosi ma le gaosiga o meafaigaluega a fale gaosi oloa e masani lava ona fa'aulufale mai Iapani ma Siamani.
Foam sima e matua ese lava mai le ALC. Aua o le ALC e faʻaaogaina le autoclave, e fa'alagolago tele i le fa'amama fa'afefeteina o le pefu lele ma le lime i lalo o le vevela maualuga ma le mamafa e maua ai gelation.. O le sima o se mea fesoasoani.
A'o foam sima e gaosia ile vevela ole potu, o le microaggregate malosi o le a le vave maua ai le faʻafefeteina, ma o lona foam malo e faalagolago pea i le aafiaga sima o le sima. O lea la, the mixing ratio of foamed concrete must be cement as the main body, and high cement Ratio.
I lalo o tulaga masani, the amount of cement should account for more than 30% of the total amount of dry materials, ma 30% should be the minimum use amount for its normal temperature curing. When pouring on site, the proportion of cement should account for more than 60% of the total dry materials. For normal temperature foamed concrete with a density below 600 kilokalama/m3, the proportion of cement should not be less than 70% of the total material. When the density is below 400 kilokalama/m3, the conventional proportion should account for more than 90% of the total dry material.
The following factors should be considered in the design of cement ratio:
(1) The variety of cement. Cement types with high early and late strength (such as dual-fast Portland cement) e mafai ona fa'aitiitiga talafeagai le vaega ole sima, ma ituaiga sima e maualalo le malosi tuai po'o le maualalo vave malosi e tatau ona fa'atuputeleina le sima;
(2) Malosiaga o le sima. Sima maualuga-malosi (pei o le 42.5, 52.5, ma isi.) e mafai ona faʻaititia le aofaʻi faʻatusatusa, ma le sima tulaga maualalo-malosi e tatau ona faateleina lona aofaiga faavasegaina;
(3) Le lelei ole sima. Mo la'au tetele' fou fa'amamago-gaioiga sima kiln, e mafai ona fa'aitiitia lelei le fua fa'afefiloi, ae mo laau laiti, e tatau ona fa'asili lelei le sima po'o le sima fa'afefiloi tele;
(4) Ole tele ma le malosi e manaʻomia ole oloa. O le maualalo o le mamafa poʻo le maualuga o le malosi e manaʻomia e tatau ona faʻateleina le fua sima, maualuga maualuga poʻo manaʻoga malosi maualalo e mafai ona faʻaititia le fua sima;
(5) Le vevela o le tuputupu aʻe muamua. O le vevela muamua faʻamalolo pe a uma ona sasaa (sasaa) e maualalo (<25°C). The proportion of cement should be increased. When the initial curing temperature is high (25℃-45℃), the proportion of cement can be appropriately reduced. If steam curing or autoclave is used, it is still strong to reduce the proportion of cement;
(6) Eseesega ma gaioiga ole micro-agregate malosi (fa'afefiloi). O le fa'aogaina o mea fa'apipi'i maualuga e mafai ona fa'aitiitia ai le sima (e pei ole pa'u ultra-fine), a'o le fa'aogaina o micro-aggregates maualalo (e pei o le pefu lele lona lua) e mafai ona faateleina le vaega o le sima.
O le Cie-China.org o le ta'uta'ua lea e tu'uina atu mea fa'apipi'i sima e tu'uina atu ai so'o fa'afu, superplasticizer,foam sima fa'aleleia malosi mo sima mama, poloka CLC. Afai o e su'e mea fa'asusu, faamolemole lagona le saoloto e faafesootai matou.