Yaya tsawon lokacin kankare yake ɗauka don bushewa?

Jagoran Jagora ga Kankare bushewa da warkewa: Daga Zubawa zuwa Cikakken ƙarfi

Kankareyana daya daga cikin kayan gini da aka fi amfani da shi a duniya, ana samun daraja saboda tsayin daka, juzu'insa, da inganci. Koyaya, aikin sa yana rataye akan bushewa da warkewa da kyau—tsari sau da yawa rashin fahimta ko rikicewa. Wannan jagorar-kalmomi 3,000 yana zurfafa cikin kimiyya, jerin lokaci, da mafi kyawun ayyuka don bushewa, warkewa, da samun ingantaccen ƙarfi.

1. Fahimtar Kankare "Bushewa" vs. Curing

Kafin bincika lokutan lokaci, yana da mahimmanci don rarrabe tsakaninbushewa(evaporation na ruwa) dawaraka(hydration na siminti).

• bushewa: Yana nufin zubar da ruwa mai yawa daga saman kankare. Yayin da danshin saman zai iya ɓacewa cikin sa'o'i, danshi na ciki na iya ɗaukar makonni.
• Magance: Tsarin sinadarai inda ruwa ke amsawa tare da barbashi na siminti (hydration), samar da igiyoyi masu taurare siminti. Gyaran da ya dace yana tabbatar da ƙarfi, dorewa, da juriya ga fashewa.

Key Takeaway: Kankara ba ya “bushe” a al’adance-yana warkar da ruwa, wanda ke buƙatar riƙe danshi.

2. Matakan Saitin Kankare da Taurare

Jadawalin lokaci daga zubawa zuwa cikakken ƙarfi ya ƙunshi matakai daban-daban:

Mataki na 1: Saitin Farko (Hours 2-6)

• Kankare miƙa mulki daga ruwa zuwa rabin-m.
• Tafiya: Ƙafafun ƙafar haske na iya yiwuwa bayan sa'o'i 24-48.

Mataki na 2: Saitin Ƙarshe (Sa'o'i 6-12)

• Sama yana da ƙarfi sosai don tsayayya da ƙananan indents.
• Za a iya cire kayan aiki, amma siminti ya kasance mai rauni.

Mataki na 3: Ƙarfin Farko (kwanaki 1-7)

• Ya cimma ~ 70% na ƙarfin ƙira a cikin kwanaki 7 (don daidaitattun haɗuwa).
• Amintacce ga motocin haske (misali, motoci) bayan kwanaki 7.

Mataki na 4: Cikakkun Magani (Kwanaki 28)

• Matsayin masana'antu don "cikakken ƙarfi" (ƙarfin ƙira 100%).
• Manyan injina da kayan gini sun halatta.

Mataki na 5: Tsawon Tsawon Lokaci (watanni zuwa Shekaru)

• Kankara yana ci gaba da taurin kai a hankali tsawon shekaru.

3. Abubuwan Da Suke Tasirin bushewa da Lokacin Magani

Matsalolin lokaci sun bambanta dangane da yanayin muhalli, ƙira gauraya, da ƙayyadaddun ayyuka:

A. Abubuwan Muhalli

1. Zazzabi:
   • Madaidaicin Rage: 50-90F (10-32°C).
   • Yanayin sanyi (<50°F): Yana rage hydration; yana buƙatar rufewa ko zafafan shinge.
   • Yanayi mai zafi (>90°F): Yana haɓaka bushewar ƙasa, haɗarin fasa. Yi amfani da hazo ko inuwa.
2. Danshi:
   • Babban zafi yana rage ƙanƙara, yana taimakawa hydration.
   • Ƙananan zafi yana haɓaka bushewar ƙasa, yana buƙatar curing membranes.
3. Iska: Yana ƙara yawan ƙura, yana haifar da raguwar filastik.

B. Concrete Mix Design

1. Ruwa-Cuminti Ratio: Ƙananan ma'auni (0.4-0.6) yana hanzarta samun ƙarfi amma yana buƙatar magani a hankali.
2. Addmixtures:
   • Masu hanzari(misali, calcium chloride): Rage lokacin saiti.
   • Masu jinkirtawa: Jinkirin saiti a yanayin zafi.
   • Pozzolans(Toka tashi, silica fume): Jinkirin samun ƙarfi da wuri amma haɓaka dorewa na dogon lokaci.
3. Nau'in Kankara:
   • Ƙarfin Ƙarfi na Farko: Ya sami 3,000 psi a cikin sa'o'i 24.
   • Daidaitaccen Mixes: 3,000-4,000 psi a kwanaki 28.

C. Ƙayyadaddun Ayyuka

1. Kauri Slab: Sassan da suka fi girma suna riƙe da ɗanshi tsayi, yana rage bushewar ƙasa.
2. Ƙarfafawa: Karfe rebar ko raga na iya kama danshi, yana shafar daidaita daidaito.

4. Hanyoyin Magance Don Inganta Ƙarfi

Magance yana riƙe da danshi don samun ruwa. Dabarun gama gari sun haɗa da:

1. Maganin Ruwa:
   • Juyawa, yayyafawa, ko rigar murfi (ƙananan kwanaki 7).
   • Mafi dacewa ga abubuwa na tsari kamar katako da ginshiƙai.
2. Haɗaɗɗen Ƙaƙƙarfan Ƙwaƙwalwa:
   • Fesa-akan sealants yana rage fitar da iska.
   • Ana amfani da shi don slabs da pavements.
3. Rufewa da Filastik / Tarps:
   • Tarko danshi; yana buƙatar jika lokaci-lokaci.
4. Maganin Steam:
   • Yana haɓaka ƙarfin ƙarfi a cikin simintin da aka riga aka yi (misali, awanni 18-24).

5. Gwaji Shirye-shiryen Kankare

1. Gwajin Taurin Sama:
   • Gwajin yatsan yatsa: Babu indent bayan danna yatsa.
   • Gwajin Tsara: Juriya ga screwdriver ko ƙusa.
2. Gwajin Ƙarfin Ƙarfi:
   • Samfuran Silinda da aka gwada a kwanaki 7 da 28 a cikin labs.
3. Mitar Danshi:
   • Auna abun ciki danshin ciki (<4% don shimfidar bene).

6. Kuskure da Yawaita Da Yadda Ake Gujewa Su

• Load da wuri: A guji kaya masu nauyi kafin kwanaki 28.
• Rashin isassun Magani: Yana kaiwa ga ƙura, ƙura, da rage ƙarfin hali.
• Ruwa fiye da kima: Yana raunana saman Layer.

7. Abubuwa na Musamman da FAQs

• Yanayin sanyi: Yi amfani da barguna masu rufewa ko wuraren zafi.
• Bayyanar Ruwa: Kare sabon kankare tare da tarps; ruwan sama bayan 4-8 hours ne m cutarwa.
• Ayyuka masu sauri-Track: Yi amfani da gaurayawan ƙarfi-farkon ƙarfi ko maganin tururi.

KankareLokacin “bushewa” yana ɗaukar awoyi don ƙafewar ƙasa amma yana buƙatar kwanaki 28 don cimma ƙarfin ƙira. Maganin da ya dace ba zai yuwu ba don dorewa, kuma dole ne a sarrafa abubuwan muhalli da kyau. Ta hanyar fahimtar kimiyyar ruwa da kuma yin amfani da mafi kyawun ayyuka, ƴan kwangila da DIYers iri ɗaya na iya tabbatar da dawwama, dawwamammen tsarin siminti.