Paru pokepoke sima: Composition me te hanga

Ko te slurry sima ko te rauemi rawa roa, te reira hohoro whakatakoto ana me whakapakeke i rangi. Tīmata i tona tautuhinga i te pāmahana o te 20 nekehanga puta i roto i pā ana ki te toru hauwhā o te haora. kia kore i muri mai e tono te otinga atu i te kotahi haora i muri ona faaineineraa, mai i te kore, mona i reira tona kaha. He he momo o te sima - tei reira ki runga ki ona wae. Ko te rongoā rite i runga i to ratou pūtake i rerekē te kaha shock.

Me pēhea te ki te hanga kumete sima

No te faaineine i te slurry sima me tataritia onepu me te sima roto i te tatari ki te diameter rua 3 mm o. Kai he pota rōrahi metered me whakauru tae noa Hürai, a ki te tika, sieved ano me te ranunga maroke i honoa wai, tae noa ki te matotoru e hiahiatia ana.

Hoki whakapanga putorino i runga hanga te tuanui te moata atu uaua arā, o filler me rua ngā wāhanga here: onepu, sima, me te kotakota putty. I roto i tenei take, e hiahia ana koe ki te tāpiri kotahi te wahi sima ki toru ngā wāhanga kotakota ki te 15 ngā wāhanga onepu.

whakamahia slurry te ki te faaineine raima hanumi. Whakatakotoria tītipi hou cover raima whāriki ranei, te wai nui mākū. Kei te rawa mahi tenei i roto i nga ra tuatahi e rima i muri i te whakatakoto i te formwork, hoki e whakamahia ana hoki enei take polyethylene kiriata e hangaia e te pānga korohū.

paru pokepoke sima: Composition

moata sima mo te hanga e taea te hokona hanga takitahi mā te ranu i etahi ōwehenga o sima me onepu (i te 1 ki te 3, i runga i te hanga rānei ake 1 ki te 6) ranei. Me mahara te reira e hua ā te otinga whakaware kore anake, engari ko reira tata e taea ki te tuwha te taurite te wāhanga katoa waho te wheako e tika ana. Practical ki te whakamahi i te whakaranu (pūkaha hiko ranei), e taea te hokona e rua, ka tukua, tono i hoa.

Tino rongonui ko te slurry sima, i i whakamahia mo te pūrere pereki. Tenei kia tono e rua ngā momo o ngā rongoā - sima me sima-kotakota. Ki te momo tuatahi o whakatū taiepa kawenga-whanau , me te tahi atu āhuatanga, i te whakamahia te rua te hanganga mo te etahi momo o pepa (taiepa i roto mamau), a ka tāpiri reira he anake wahi iti o te sima.

Ki te te kumete whakamahia i roto i te hotoke, he mea e tika ana ki te whakamahi i ngā tāpiritanga ārai makariri, e kore e nei tukua mīti otinga. Tonu, i te pāmahana i raro 20 degrees sima papatipu he pai e kore e ki te mahi, kia rite ki enei wāhanga e kore e mahi. Mā te whakamahi i te otinga o ngā tāpiritanga hoki e taea te hoatu te ngāwari tika, me te nekeneke. Hei whakanui i te hopi noa ngaio otinga ukanga tapiritia e ringihia te hawhe-rita o te taonga i roto i te mita pūtoru o te taimaha sima. Ko rite te tāpiritanga ārai makariri te tote, ahakoa maha tūtohutanga, ringihia kore e waiho ki te karo i te ahua o te efflorescence.

Sima me wera hua raima ranunga ātete e e whakamahia mo te hanga o ngā hanganga nukurau aronga ki te ahi tuwhera, ki te firebox oumu ranei poraka aua marae. Hei waihanga i tētahi mura whakamahia ātete rongoā whakangutungutu nga wāhanga me hanganga e whai ake nei. Ki te te otinga, ko te ki te kia whakamahia ki te hanga i pāpaka ki te ahi tuwhera, tango tohu sima he kore i raro i 400. Ki te kotahi wahi i tapiritia e rua nga wahi o kohatu i kurua, arā, o te pereki whero, e rua nga wahi o kiripaka onepu i pai pereki fireclay whero ranei, me te tuatoru i te onepu pai. Hei waihanga i te firebox tango te taua sima, kohatu o pereki, me firebricks onepu noa i kurua i te hanganga o te 1: 2: 2: 0,33.