Da farko, an yi amfani da kayan kwalliya kawai don adana ciminti. Tare da ci gaban fasaha na gine-ginen, ƙara abubuwan al'ajabo ya zama babban ma'auni don inganta aikin kankare.
Abubuwan adabi suna kiran abubuwan da aka ƙara don haɓaka da kuma tsara aikin kankare. Aikace-aikacen kankare a cikin injiniya yana karbar karuwa. Additionarin adawar adawar tana taka rawa wajen inganta aikin kankare, amma zaɓi, ƙarin hanyoyi, da kuma daidaituwar abubuwan da suka dace da ci gaban su.
Saboda kasancewa mai inganci na rage jami'an ruwa mai inganci, high dolreting kankare, da kuma hada karfi da karfi, da karfin karfi da aka yi amfani; Saboda
gaban thickeners, wasan kwaikwayon na ruwa ya inganta. Saboda kasancewar masu tayar da hutu, an tsawaita lokacin ciminti, yana sa zai yiwu a rage lokacin aiki. Saboda kasancewar rigakafin m, an rage yanayin daskarewa na maganin, ko lalata na kankara crarstal baya haifar da lalacewar sanyi.
Lahani a kankare da kanta:
Aiwatar da kankare ne ƙaddara ta hanyar ciminti, yashi, tsakuwa, da ruwa. Don inganta wasu aikin kankare, yawan albarkatun kasa za a iya daidaita su. Amma wannan sau da yawa yakan haifar da asara a wannan bangaren. Misali, domin ƙara yawan ruwan kankare, yawan ruwan da ake amfani da ruwa ana iya ƙaruwa, amma wannan zai rage ƙarfin kankare. Don inganta ƙarfin farkon kankare, yawan ciminti zai iya ƙaruwa, amma ƙari da ƙara farashi, yana iya ƙara yawan shrinkage da creep na kankare.
Matsayin kankare:
Amfani da kayan kwalliyar kankare na iya guje wa lahani da aka ambata a sama. A cikin lokuta inda babu tasirin tasiri akan sauran kaddarorin kankare, amfani da kayan kwalliyar kankare na iya inganta wani nau'in aikin kankare.
Misali, idan dai 0.2% zuwa 0.3% calcium Lignosulloate an kara a cikin kankare, da slump na kankare na iya ƙaruwa fiye da sau biyu ba tare da ƙara yawan ruwa ba. As long as 2% to 4% sodium sulfate calcium sugar (NC) composite agent is added to the concrete, it can improve the early strength of the concrete by 60% to 70% without increasing the amount of cement, and can also improve the marigayi ƙarfin kankare. Addara anti varcractor na iya inganta juriya ta crack crack.
Lokaci: Mayu-29-2023
