Ko te hanga i ngā moata whakataurite-ake i ahu mai i te gypsum me whakamahi i ngā momo rauemi mata, ā, ka pā ia rauemi ki ngā āhuatanga motuhake o te hua whakamutunga. Ko tētahi wāhanga nui o te moata whakataurite-ake ko te cellulose ether, he tāpiringa nui.
Ngā moata whakaōrite-whaiaro e ahu mai ana i te gypsum: he tirohanga whānui
He rauemi hanga motuhake te moata whakaōrite-ake i hangaia mō ngā papa e hiahia ana kia maeneene, kia papatahi te mata. Ko ēnei moata he mea hanga mai i ngā mea here, ngā mea whakahiato me ngā momo tāpiri hei whakatutuki i ngā āhuatanga mahi motuhake. He kohuke taiao te gypsum e whakamahia whānuitia ana hei here matua i roto i ngā moata whakaōrite-ake nā ōna āhuatanga ahurei, tae atu ki te tere o te whakatakoto me te tino pai o te mahi.
Ngā rauemi mata mō te moata whakaōrite-whaiaro e ahu mai ana i te gypsum:
1. Tāima:
Puna: He kohuke te gypsum ka taea te keri mai i ngā putunga taiao.
Mahi: Ko te gypsum te here matua mō te moata whakaōrite-ake. Ka āwhina i te tere o te whakapakeketanga me te whakawhanake i te kaha.
2. Whakakotahitanga:
Pūtake: Ko te kirikiri i ahu mai i ngā onepū tūturu, i ngā kōhatu kuru rānei.
Tūranga: Ko ngā mea whakahiato, pērā i te onepu, te kirikiri pai rānei, ka whakarato i te matotoru ki te moata, ā, ka pā ki ōna āhuatanga hangarau, tae atu ki te kaha me te manawanui.
3. Te etere cellulose:
Pūtake: I ahu mai ngā cellulose ethers i ngā pūtake cellulose tūturu pērā i te penupenu rakau, te miro rānei.
Mahi: Ka mahi te cellulose ether hei whakarerekētanga rheology me te kaihoko pupuri-wai hei whakapai ake i te mahi, te piri me te mahi whānui o te moata whakataurite-ake.
4. He kaihoko whakaiti wai tino whai hua:
Puna: He pūhui hangai ngā superplasticizer.
Mahi: Ka whakapai ake te matū whakaiti wai tino whai hua i te rere me te ngāwari o te mahi o te moata mā te whakaiti i te nui o te wai, kia māmā ake ai te whakatakoto me te whakataurite.
5. Whakaroa:
Puna: Ko ngā mea aukati he mea hanga i ngā matū waro.
Mahi: Ka taea e te aukati te whakaroa i te wā whakatakoto o te moata, te whakaroa i te wā mahi me te whakatairanga i te tukanga whakataurite.
6. Whakakī:
Pūtake: Ka taea e ngā whakakī te whakamahi i te taiao (pērā i te kōhatu) me te hangai rānei.
Mahi: Ka whai wāhi ngā whakakī ki te rōrahi o te moata, ka whakanui ake i tōna rōrahi, ka pā hoki ki ngā āhuatanga pēnei i te mātotoru me te kawe wera.
7. Muka:
Pūtake: Ka taea e ngā muka te hangai (hei tauira, ngā muka cellulose) me ngā muka hangai (hei tauira, ngā muka polypropylene).
Mahi: Ka whakanui ake ngā muka i te kaha kume me te kaha piko o te moata, ā, ka whakaiti i te tūponotanga o te ngatata.
8. Wai:
Puna: Me ma te wai, ā, me pai hoki mō te inu.
Mahi: He mea nui te wai mō te tukanga whakamakuku o te paraikete me ētahi atu kai, e whai wāhi ana ki te whakapakari i te moata.
Tukanga Whakaputa:
Te whakarite rauemi mata:
Ka keria te gypsum, ka tukatukahia kia puta he paura pai.
Ka kohia te ranunga ka kuruhia ki te rahi e hiahiatia ana.
Ka hangaia ngā etera cellulose mai i ngā pūtake cellulose mā te tukatuka matū.
ranunga:
Ka inehia, ka whakaranua hoki te gypsum, te carbonate, ngā cellulose ethers, te superplasticizer, te retarder, ngā whakakī, ngā muka me te wai kia tino ōrite te ranunga.
Te Whakamātautau:
Ka whakamatautauria te ranunga kia tino tika te kounga hei whakarite kia tutuki i a ia te ōritetanga, te kaha me ētahi atu paerewa mahi kua tohua.
Mōkihi:
Ka tākaihia te hua whakamutunga ki roto i ngā putea, i ētahi atu ipu rānei hei tohatoha me te whakamahi ki ngā papa hangahanga.
hei whakamutunga:
Ko te hanga i ngā moata whakaōrite-ake i ahu mai i te gypsum me whiriwhiri me te whakakotahi i ngā rauemi mata kia tutuki ai ngā āhuatanga e hiahiatia ana. He mahi nui tā ngā cellulose ethers hei tāpiri hei whakapai ake i te mahi, te piri me te mahi whānui o te moata. I te whanaketanga tonu o te umanga hanga, mā te rangahau me te whanaketanga i roto i te pūtaiao rauemi ka arahi pea ki ngā whakapainga ake i roto i ngā moata whakaōrite-ake, tae atu ki te whakamahinga o ngā tāpiringa auaha me ngā rauemi mata pumau.
Wā tuku: Hakihea-11-2023