Kamar yadda ake cewa, "gwani na kallon kofa, dan damfara ya dubi taron jama'a", ƙarfin farko na siminti yana girma da sauri, ƙarfin baya yana girma a hankali, idan yanayin zafi da zafi ya dace, ƙarfinsa zai iya girma a hankali a hankali. 'yan shekaru ko shekaru goma. Bari muyi magana game da amfani da tsarin calciumdon magance matsalar saitin siminti da taurin.
Saita lokaci yana ɗaya daga cikin mahimman ma'aunin aikin siminti
(1) Ruwan siminti ana aiwatar da shi a hankali daga saman zuwa ciki. Tare da ci gaba da lokaci, digiri na hydration na ciminti yana karuwa, kuma samfuran hydration kuma suna karuwa kuma suna cika pores na capillary, wanda ya rage porosity na pores na capillary kuma daidai yana ƙara porosity na gel pores.
Tsarin Calcium iya ƙara yawan taro na Ca 2+ a cikin ruwa lokaci, hanzarta rushe kudi na alli silicate, da kuma co-ionic sakamako zai hanzarta crystallization, ƙara da rabo daga m lokaci a cikin turmi, wanda shi ne conducive zuwa samuwar siminti. tsarin dutse.
A watsawa da danko natsarin calcium a cikin turmi an yi nazari ta hanyar nazarin bayyanarsa, fineness, formate abun ciki da solubility a cikin ruwan sanyi. An gwada da kwatanta kaddarorin samfuran tsarin calcium da ƙarfin haɗin gwiwa a cikin plastering turmi.
zafin jiki
(2) Zazzabi yana da tasiri mai mahimmanci akan saiti da taurin siminti. Lokacin da yawan zafin jiki ya karu, ana haɓaka halayen hydration, kuma ƙarfin siminti yana ƙaruwa da sauri. Lokacin da zafin jiki ya ragu, hydration yana raguwa kuma ƙarfin yana ƙaruwa a hankali. Lokacin da zafin jiki ya kasa 5℃, hydration hardening yana raguwa sosai. Lokacin da zafin jiki ya kasa 0℃, da hydration dauki m tsaya. A lokaci guda, saboda yanayin zafi ƙasa 0° C, lokacin da ruwa ya daskare, zai lalata tsarin dutsen siminti.
A low yanayin zafi, sakamakontsarin calciumya ma fi furtawa.Tsarin Calciumsabon ƙananan zafin jiki ne da farkon ƙarfin coagulant wanda aka haɓaka a China, da kaddarorin jiki na tsarin calciumsuna da kwanciyar hankali a yanayin zafin jiki, ba sauƙin haɓakawa ba, mafi dacewa da aikace-aikacen a cikin turmi.
danshi
(3) Dutsen siminti a cikin yanayi mai ɗanɗano zai iya kula da isasshen ruwa don yin ɗimuwa da tauri da tauri, kuma ruwan da aka samar zai ƙara cika ramuka da haɓaka ƙarfin dutsen siminti. Matakan don kula da yanayin zafi da zafi na yanayi, don haka ƙarfin dutsen siminti ya ci gaba da girma, ana kiransa kulawa. Lokacin ƙayyade ƙarfin siminti, dole ne a warke shi zuwa ƙayyadaddun shekaru a cikin ƙayyadadden yanayin zafin jiki da yanayin zafi.
Tsarin CalciumWakilin ƙarfi na farko shine mai simintin ƙarfi na farko mai ƙarfi tare da fa'idar aikace-aikacen fa'ida da tasiri mai kyau. Yawancin gwaje-gwajen gwaje-gwaje sun tabbatar da cewa yin amfani da sinadarin calcium formate farkon ƙarfin wakili yana da tasiri mai mahimmanci akan rage lokacin saiti da inganta ƙarfin farkon siminti, kuma yana iya hana daskarewa daskarewa na kankare a ƙarƙashin yanayin ƙarancin zafi.
Lokacin aikawa: Juni-04-2024