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Ta yaya ne sanyi juriya na kankare

Frost juriya da kayan gini ya nuna yadda wani musamman misali ne iya kula da kaddarorin bayan da dama m hawan keke na daskarewa da kuma thawing. A cikin hali na kankare, da farko sa ta hallaka a lokacin da wadannan matakai zama ruwa a cikin m jihar, wanda exerts babba matsa lamba a kan ganuwar da microcracks da pores na kayan.

Bi da bi, wani babban kankare ruwa taurin ba fadada kyauta, don haka da gwajin na sanyi juriya na kankare ne babban ƙarfin lantarki. Halakar fara da protruding rabo, sa'an nan ci gaba a cikin babba yadudduka da kuma karshe ratsa.

Factor cewa accelerates halakar kankare ma zama daban-daban coefficient na thermal fadada daga cikin abubuwa da cewa yin up ginin abu. Wannan halitta ƙarin danniya.

Frost juriya na kankare an auna ta hanyoyin da sarrafa daskarewa da kuma thawing tsari. Manuniya na gwajin sigogi dogara ne a kan wadannan dalilai: misãlin yanayin zafi, sake zagayowar sau, girman da gwajin samfurin, da hanyar ruwa jikewa. Alal misali, kankare BREAKING tsari na faruwa sauri idan misãlin kayan a magangara mafi ƙasƙanci yiwu yanayin zafi a gishiri mafita.

Frost juriya na kankare da aka kimanta kafin lokacin lokacin da wani yawan maimaitawa hawan keke ba zai rage samfurin nauyi zuwa kashi 5 cikin dari, kuma ba zai rage karfin ta 25 cikin dari. Wannan shi ne yawan hanyoyin da suka tsaya ginin abu kayyade da iri. Degree sanyi ne ma sanya dangane da abin da yankin zai yi amfani da kankare.

Frost Kankare yana da wani musamman tsarin. Character porosity hana kankara girma don ƙirƙirar da yawa matsa lamba da kuma slows aiwatar da halaka.

The sanyi juriya na kankare dogara da yawan macropores, tun da ruwa a cikin lafiya pores bai daskare ko a magangara mafi ƙasƙanci yiwu yanayin zafi, don haka ba ya haifar da ƙarin danniya. Saboda haka, ƙwarai rinjayi da yanayi, da kuma siffar girma na manyan pores.

sanyi juriya na kankare za a iya inganta a cikin wadannan hanyoyi:

  • Akan rage manyan pores kara da yawa daga kankare.
  • Halittar ƙarin iska pores a kankare ta hanyar gabatar da wasu Additives. Idan girma daga wadannan pores zai zama kwata na daskararre ruwa, shi ba za a cika a lokacin al'ada jikewa. A sarari seep unfrozen ruwa, kankara-canja, sa'an nan da matsa lamba da aka raunana.

A ciki juz'i na iska a cikin sanyi-resistant kankare ya kamata a tsakanin hudu da shida cikin dari. The adadin iska dogara ba kawai a kan amfani da ciminti da ruwa, amma kuma daga m tara. A girma daga iska a ciki pores na kankare aka ƙara a lokacin da kara ruwa ya kwarara da kuma sumunti, da kuma tara size kasarun adadi, a akasin haka, rage.

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