Ko te whakarewanga o te tinana takirere he waahanga nui o te mahi hanga riipene, a ko te kounga o te whakarewanga o te takirere ka whakatau i te kounga o te takirere. Ko nga mea e whai ake nei e whakaatu ana i nga tikanga tuku noa i roto i te umanga takirere:
Makanga kirikiri:
Sand pokepokea ai te nuinga whakamahia i roto i te ahumahi takirere e taea te wehea ki one mākū, onepu maroke, konutai silicate onepu me te furan kapia whaiaro whakapakeke onepu rite ki here rerekē.
(1) Ko te kirikiri kaakaariki he mahi hangai me te bentonite hei here.
Ko ona ahuatanga: kaore e hiahiatia kia whakamarokehia te kirikiri kirikiri, kaore e tika kia whakapakeketia, he kaha maku te kirikiri kirikiri, he pai te kaha o te kirikiri kirikiri me te anga, he pai mo te horoi o te maka. Ko te tino pai o te hanga hangai, te huringa whakaputa poto, te utu rauemi iti, te ngawari ki te whakarite i te whakaputanga raina huihuinga.
Ko ona ngoikoretanga ko: he ngawari te whakarewanga ki te whakaputa i nga hapa penei i te porosity, te whakauru kirikiri me te kirikiri kirikiri, me te kounga o te whakarewatanga, ina koa ko te kounga o roto, kaore i te pai.
Ko te ōwehenga me nga ahuatanga o te kirikiri matomato mo nga whakarewa maitai e whai ake nei:
| Tau rangatū | ōwehenga ranunga% | mahi | kaupapa | ||||||||
| kirikiri hou | kirikiri tawhito | Bentonite | konutai warowaihā | dextrin | penupenu | ihirangi wai % | Te uruhanga o te hau AFS | Te kaha kōpeketanga mākū KPa | |||
| Rōpū rahi witi | Te moni taapiri | ||||||||||
| 1 | 10 | 100 | 9/11 | 0.2 | 0.2/0.4 | 3.8/4.3 | 100/200 | 56/77 | Te kirikiri mo nga whakarewa rino iti | ||
| 2 | 15 | 50 | 50 | 3 | 0.4 | 0.6/1.2 | 4/4.7 | 100 | 50/75 | Te kirikiri mo te hanga miihini | |
(2) Ko te kirikiri kirikiri maroke he mahi hangai me te paru hei here. Ko te taapiri i te iti o te bentonite ka taea te whakapai ake i tona kaha maku.
Ko ona ahuatanga ko:me whakamaroke te kirikiri kirikiri, he pai te uruhanga o te hau, ehara i te mea ngawari ki te whakaputa i nga hapa penei i te horoi kirikiri, te piri onepu me nga rua hau, a he pai te kounga o roto o te makanga.
Ko ona kino ko:te hiahia mo nga taputapu whakamaroke kirikiri, he roa te huringa whakaputa.
Wā tuku: Feb-03-2021
