A: Mushure mokunge kongiri yakadururwa, slurry haina simba zvakadaro, uye kuoma kwekrete kunoenderana nekuoma kwesamende.Semuyenzaniso, yekutanga yekugadzika nguva yeyakajairika Portland simende ndeye 45 maminetsi, uye yekupedzisira nguva yekuisa maawa gumi, ndiko kuti, kongiri inodururwa uye yakatsetseka uye yakaiswa ipapo pasina kuikanganisa, uye inogona kuoma zvishoma nezvishoma mushure memaawa gumi.Kana iwe uchida kuwedzera chiyero chekugadzika kwekongiri, iwe unofanirwa kushandisa jenareta yemhepo yekuporesa.Iwe unogona kazhinji kuona kuti mushure mekudururwa kongiri, inoda kudirwa nemvura.Izvi zvinodaro nekuti simende ihydraulic cementitious material, uye kuoma kwe simenti kune chekuita nekupisa uye hunyoro.Maitiro ekugadzira akakodzera tembiricha uye humidity mamiriro ekongiri kuti afambise ayo hydration uye kuoma kunonzi kupora.Mamiriro ezvinhu anokosha ekuchengetedza itembiricha nehunyoro.Pasi pekushisa kwakakodzera uye nemamiriro akakodzera, iyo hydration ye simenti inogona kuenderera zvakanaka uye kukurudzira kukura kwekongiri simba.Nzvimbo yekushisa yekrete ine simba guru pane hydration ye simenti.Kukwirisa tembiricha, ndiko kukurumidza kwe hydration rate, uye nekukurumidza simba rekongiri rinokura.Nzvimbo iyo kongiri inodiridzwa yakanyorova, iyo yakanaka pakuoma kwayo.
Nguva yekutumira: Kubvumbi-14-2023
