Menene Admixtures kuma Menene Daban-daban na Admixtures?

Admixtures rukuni ne na kayan da aka ƙara zuwa kankare, turmi, ko gyale yayin hadawa don gyara kayansu ko haɓaka aikinsu.Waɗannan kayan sun bambanta da sinadarai na farko na siminti (ciminti, aggregates, ruwa) kuma ana amfani da su a cikin ƙananan ƙima don cimma takamaiman tasirin da ake so.Admixtures na iya canza kaddarorin kankare daban-daban, gami da iya aiki, saita lokaci, ƙarfi, karko, da juriya ga abubuwan muhalli.Suna ba da sassauƙa a cikin ƙirar haɗaɗɗiyar kankare, ƙyale injiniyoyi da magina su keɓance kayan aikin kankare don biyan takamaiman buƙatun aikin.Anan akwai nau'ikan kayan haɗin gwiwa da aka saba amfani da su wajen gini:

1. Abubuwan Rage Ruwa (Plasticizers ko Superplasticizers):

• Abubuwan da ke rage ruwa su ne additives waɗanda ke rage abubuwan da ake buƙata na ruwan da ake buƙata don ɓacin rai na kankare ba tare da lalata aikin sa ba.Suna inganta haɓakawa da kuma aiki na gaurayawan kankare, suna ba da damar sauƙaƙe jeri da ƙaddamarwa.Ana amfani da robobi a cikin kankare tare da lokutan saiti na al'ada, yayin da ake amfani da superplasticizers a cikin kankare da ke buƙatar tsawaita lokacin saiti.

2. Retarding Admixtures:

• Retarding admixtures yana jinkirta lokacin saitin siminti, turmi, ko grout, yana ba da damar aiki mai tsawo da lokacin jeri.Suna da amfani musamman a yanayin zafi ko don manyan ayyuka inda ake sa ran jinkirin sufuri, sanyawa, ko ƙarewa.

3. Haɓaka Abubuwan Haɗawa:

• Haɓaka abubuwan haɗin gwiwa suna haɓaka ƙimar saiti da farkon ƙarfin haɓakar siminti, turmi, ko grout, yana ba da damar ci gaban gini cikin sauri da cire aikin farko.Ana amfani da su a cikin yanayin sanyi ko lokacin da ake buƙatar samun ƙarfi mai sauri.

4. Abubuwan Haɗawar iska:

• Admixtures masu haɗar iska suna gabatar da kumfa mai ƙyalƙyali a cikin siminti ko turmi, yana haɓaka juriya ga daskare-zazzage-zazzage, ƙwanƙwasa, da abrasion.Suna haɓaka ƙarfin aiki da dorewar siminti a cikin yanayi mai tsauri kuma suna rage haɗarin lalacewa daga canjin yanayin zafi.

5. Retarding Air-Intraining Admixtures:

• Retarding iska-enraining admixtures hada da kaddarorin retarding da iska-entraining admixtures, jinkirta saita lokacin da kankare yayin da entraiing iska don inganta daskare-narke juriya.Ana amfani da su da yawa a yanayin sanyi ko don kankare da ke fuskantar daskarewa da hawan keke.

6. Abubuwan da ke hana lalata:

• Abubuwan da ke hana lalatawa suna kare ƙarfe mai ƙarfi a cikin kankare daga lalata ta hanyar fallasa ga danshi, chlorides, ko wasu ma'aikata masu tayar da hankali.Suna tsawaita rayuwar sabis na simintin siminti kuma suna rage kulawa da farashin gyarawa.

7. Abubuwan Rage Ragewa:

• Ƙunƙasa-rage admixtures rage bushewa shrinkage a kankare, rage hadarin fashe da kuma inganta dogon lokacin da dorewa.Suna da amfani a cikin manyan matsugunan kankare, abubuwan da aka riga aka jefa, da gaurayawan siminti masu inganci.

8. Haɗin Ruwa:

• Admixtures na hana ruwa yana haɓaka rashin ƙarfi na kankare, rage shigar ruwa da hana abubuwan da ke da alaƙa da danshi kamar ƙura, dampness, da lalata.Ana amfani da su da yawa a cikin gine-gine masu ƙasa da ƙasa, ginshiƙai, ramuka, da tsarin riƙon ruwa.

9. Abubuwan Gyaran Launi:

• Ana ɗorawa masu canza launi zuwa kankare don ba da launi ko cimma tasirin ado.Suna zuwa ta nau'i-nau'i daban-daban, ciki har da pigments, tabo, rini, da masu sitiriyo masu tinted, suna ba da izinin keɓance saman kankare don dacewa da buƙatun ƙira.

10. Abubuwan Gyaran Rheology:

• Rheology-gyara admixtures canza kwarara da rheological Properties na kankare, turmi, ko grout don inganta workability, pumpability, ko danko iko.Ana amfani da su da yawa a cikin kankare mai haɗa kai, shotcrete, da gaurayawan kankare mai girma.

Waɗannan su ne wasu daga cikin manyan nau'ikan nau'ikan abubuwan da ake amfani da su a cikin gini, kowanne yana ba da takamaiman fa'idodi da aikace-aikace don inganta aikin kankare da biyan buƙatun aikin.Yana da mahimmanci don zaɓar da haɗa abubuwan da suka dace dangane da ƙayyadaddun aikin, yanayin muhalli, da ƙa'idodin aiki.