a wane yanayi ne kankare ke buƙatar additives

Concrete sanannen kayan gini ne wanda ake amfani da shi sosai a ayyukan gine-gine daban-daban a duniya. Cakudar siminti ne, ruwa, yashi, da sauran kayan da aka toya don samar da tsari mai wuya kuma mai dorewa. Duk da haka, akwai wasu yanayi a karkashin abin da kankare bukatar Additives.

(a wane yanayi ne kankare ke buƙatar additives)

Wani muhimmin al'amari da ke shafar ƙarfi da dorewa na kankare shine matakin hydration. Kamar yadda kankare magunguna, yana fuskantar halayen sinadarai wanda zai sa ya zama mai yawan ruwa. Wannan tsari na iya rage jinkirin lokacin warkewa kuma yana ƙara haɗarin fashewa ko rarrabuwa yayin bayyanar zafi mai zafi. Don hana hakan, Masu kera siminti sukan ƙara abubuwan da ke ɗaure danshi irin su silicates ko kaolin don haɓaka matakan hydration da haɓaka ƙarfinsa da dorewa..
Wani abu da ke shafar kaddarorin siminti shine nau'in tarawar sa. Daban-daban nau'ikan tarawa suna da kaddarorin jiki da na injiniya daban-daban, gami da yawa, matsa lamba ƙarfi, da porosity. Misali,tara tare da ƙayyadaddun nauyi na musamman zai haifar da tara mai ƙarfi, amma kuma yana iya zama mafi kusantar daidaitawa akan lokaci. Saboda haka, yana da mahimmanci ga ƴan kwangilar kankare su zaɓi nau'ikan jimillar da suka dace waɗanda suka dace da takamaiman buƙatun aikin su.
Baya ga wadannan abubuwan, zafin jiki yana taka muhimmiyar rawa wajen tantance mafi kyawun hydration da tara abun da ke ciki don kankare. A yanayin zafi ƙasa da 70 ° C (158°F), abun ciki na ruwa na kankare yana ƙaruwa da sauri, yana mai da shi ƙasa da ruwa kuma mai saurin fashewa. A wannan bangaren, a yanayin zafi mafi girma, yawan hydration yana raguwa, ƙyale da kuma ƙara ƙarfin gabaɗaya da karko na kankare.
Misali, kankare yawanci ana gwada shi bisa ga ka'idar Biritaniya (BS) 476, wanda ya tsara jagororin don mafi kyawun matakin hydration na kankare. Matsayin da aka ba da shawarar ruwa ya bambanta dangane da nau'in jimillar, amma gabaɗaya ya faɗi tsakanin 25% kuma 35%. Kankarar da ke da ruwa sosai zai faɗaɗa sosai yayin daskarewa, yayin da kuma bushewa zai yi yawa sosai, yana haifar da tsagewa da tsagewa.

(a wane yanayi ne kankare ke buƙatar additives)

Gabaɗaya, zafin jiki a cikin abin da kankare bukatar Additives ne wani muhimmin al'amari da dole ne a yi la'akari lokacin da zayyana da kankare Tsarin. Ta hanyar a hankali zabar abubuwan da suka dace da kuma zabar nau'ikan jimillar da suka dace, 'yan kwangila za su iya tabbatar da cewa suna da ƙarfi, m, da juriya ga matsalolin muhalli kamar zafi da danshi.
zafi tags: kankare,kankare Additives