labaru

Kwanan wata: 19, Disamba, 2022

57

Mukamai Zai iya rage adadin ruwa da aka yi amfani da shi don haɗuwa da aƙalla 10%, ko ƙara yawan adadin kwararar kwarara. Don kankare shekaru 3, ƙarfin 砼 C30 zai iya ƙaruwa da 69 MPA, kuma ƙarfin ƙimar a kwanaki 28 na zamani yana ƙaruwa aƙalla 87 MPA. Amfanimukamaigalibi polyalal aryl sulfones da mellamine ruwa rage jamiáin.

Sakamakonmukamai A kan aikin kankare sune kamar haka:

1. A cikin sharuddan kaddarorin freshly mied kankare. Ga ruwa yana rage tasirin Superplastitizer, girman kwayar halitta da takamaiman tsarin ruwa da aka yi amfani da shi kuma a yi la'akari. Babban iska iska na rage ruwa wanda aka shafa ta hanyar tashin hankali na ruwa mai ruwa. Za a rage yawan ƙarfin tashin hankali, mafi bayyana tasirin iska. Dangane da lokaci na lokaci na kankare, naphthalene da Melamine na iya ciyar da lokacin kankare, da kuma Superplplplllitlitrizer Superpllitrizer na iya rage lokacin saiti. Kodayake ba a daidaita da Superplastitpitstitbitstitstitstits ga cakai na daban ba, amfani damukamai na iya rage rarrabuwa da zurfin zub da jini. An inganta slump na kankare na iya inganta ta hanyar ƙari na Superplitmitintitation. A takamaiman lokacin slumping da kuma gwargwado aka ƙaddara ta hanyar sigogi kamar nau'in da adadin adadin ruwa da aka yi amfani da shi.

2. Tasiri a kan Hardening kaddarorin na kankare. Sumunti hada da Superplastizer na iya inganta digiri na hydration. Da kankare matsawa da tanƙwara ƙarfi ana inganta su.Mukamai Hakanan rage adadin sumunti ta canza darajar shrinkage na kankare. Koyaya, canjin a cikin ƙimar telescopic gaba ɗaya bai wuce daidaitaccen darajar 1x10-4.

3. Tasiri a kan karkowar kankare. Wakili mai inganci sosai

Inganta maganin rigakafi da kayan anti-Thaw kaddarorin kankare saboda yawan rage ruwa da kuma yawan iska iska. Kuma mai inganci mai inganci na iya inganta ikon kankare zuwa tsayayya da sulfuric acid. Gwaje-gwaje sun nuna cewa juriya ga lalata a sulfuriic acid na Superplastizer ba ya fi muni da na blank kankare.

58

 

4. Tasirin kariya na kariya na sanduna na ƙarfe. Kundin ruwa mai inganci zai iya bonfin da kyau tare da sandunan karfe, da kuma m na madaidaiciya-slide karfe zuwa 1.2mpa zuwa 8 40pta. Adada na lanƙwasa karfe zuwa ga kankare 7d na iya ƙaruwa daga 15mpta zuwa 27 40.ka. Superplastitintitinan na iya kare shi da kyau a cikin kankare.


  • A baya:
  • Next:

  • Lokacin Post: Dec-19-2022
    TOP