Abubuwan Kariyar Kankare Masu Sauƙi | Mahimman Ayyuka Masu Kumfa don Kankalin Salon salula
Kumfa kankare abu ne na al'ada inorganic bango thermal insulation kayan. Ana amfani da shi wajen gina rufin rufi, ajiya mai sanyi, rikewa da abutment ganuwar, a matsayin bangon da ba a ɗauka ko ɗaukar kaya a cikin gine-ginen RCC / Karfe, cika ga baka gadoji, a cikin tunnels, jiragen karkashin kasa da rijiyoyi.
Amfanin kankare kumfa sun haɗa da nauyinsa mai sauƙi, kyakkyawan aikin kare muhalli, kyau kwarai thermal rufi Properties, babban ikon yinsa ga masana'antu, da kuma dace yi [6,7]. A wannan bangaren, yana da wasu rashin amfani, ciki har da ƙarancin ƙarfinsa da busassun girma mai yawa.
Rashin taurin kai
Maɓalli mai mahimmanci wanda ke shafar aikin simintin kumfa shine wakili mai kumfa da mai daidaita kumfa. Wadannan abubuwa suna rinjayar abun cikin iska, ruwa, da juzu'i kwanciyar hankali na sabo slurry da kuma ƙarshe ƙayyade busassun girma yawa da kuma ƙarfi na taurare jiki.
Yawan tokar kuda na iya haifar da ci gaban kumfa, wanda zai iya haifar da rabuwa. Wannan kuma zai iya rage cikakken ƙarar kuma ƙara haɗarin rushewar tsarin kumfa.
A ganiya porosity na kumfa kankare ya kamata a cimma ta inganta interporous partitions da pore sarari a cikin girma.. Wannan yana yiwuwa ta hanyar yin amfani da ƙarin kayan siminti kamar ƙasa granulated fashewa tanderu (Farashin GGBFS), tashi toka, da kuma siliki.
Bugu da kari, Adadin tokar ƙuda da aka yi amfani da shi a cikin tsarin kumfa na iya yin tasiri mai mahimmanci akan ƙimar ƙarshe na samfurin. A bushe girma yawa na kumfa kankare da 0-20% tashi ash yana raguwa, kuma yana ƙaruwa lokacin da rabon gaurayawan tokar kuda ya kasance 10-40%.