Kwanan Wata: 22 ga Agusta, 2022

1. Yashi: mayar da hankali kan duba ingancin ingancin yashi, gradation barbashi, abun ciki na laka, abun ciki toshe laka, abun ciki na danshi, sundries, da dai sauransu. ya kamata a yi hukunci da farko ta hanyar "ganin gani, tsinke, shafa da jifa".

(1) “Duba”, ɗauki ɗan yashi ɗan yashi ka shimfiɗa shi a tafin hannunka, sannan ka duba daidaitaccen rabon ɓangarorin yashi mai ƙaƙƙarfan ƙaƙƙarfan yashi. Yawancin rarraba nau'in nau'in nau'i a kowane matakai, mafi kyawun inganci;

(2) "Tuni", abun cikin ruwa na yashi yana da hannu da hannu, kuma ana lura da tsananin yashi bayan pinching. Matsakaicin yawan yashi, mafi girman abun ciki na ruwa, kuma akasin haka;

(3) “Kwafa”, sai a damko yashi guda a tafin hannunka, sai a shafa da tafin hannu biyu, ka rika tafa hannayenka da sauki, sannan ka ga laka tana manne da tafin hannunka. ;

(4) “Jfa”, bayan an tsinke yashi, a jefa a tafin hannu. Idan yawan yashi ba a kwance ba, ana iya yanke hukunci cewa yashi yana da kyau, ya ƙunshi laka ko yana da babban abun ciki na ruwa.

2. Crushed dutse: mayar da hankali a kan duba dutse bayani dalla-dalla, barbashi gradation, laka abun ciki, laka block abun ciki, allura-kamar barbashi abun ciki, tarkace, da dai sauransu, yafi dogara a kan ilhama Hanyar "ganin da nika".

(1) "Kallon" yana nufin matsakaicin girman ƙwayar dutsen da aka rushe da kuma daidaitattun rarraba sassan dutsen da aka rushe tare da nau'i daban-daban. Ana iya yanke hukunci da farko ko gradation na dutsen da aka niƙa yana da kyau ko mara kyau, kuma ana iya ƙididdige rarraba ƙwayoyin allura. Matsayin tasiri na dutsen da aka rushe akan aiki da ƙarfin siminti;

Ana iya nazarin matakin abun ciki na laka ta hanyar kallon kaurin ƙurar ƙurar da aka haɗe zuwa saman tsakuwa; Za a iya yin nazarin matakin rarraba hatsi a saman tsakuwa mai tsabta ta hanyar haɗawa tare da "niƙa" (kasuwa biyu a kan juna) don nazarin taurin tsakuwa. .

Bincika ko akwai barbashi na fata da launin rawaya a cikin dutsen, idan an sami ƙarin barbashi na shale, babu shi. Akwai nau'i biyu na barbashi na fata mai launin rawaya. Akwai tsatsa a saman amma babu laka. Irin wannan barbashi yana samuwa kuma ba zai shafi alaƙar da ke tsakanin dutse da turmi ba.

Idan akwai laka mai launin rawaya a saman barbashi, wannan barbashi shine mafi munin barbashi, zai yi matukar tasiri ga alakar da ke tsakanin dutse da turmi, kuma karfin damtse na simintin zai ragu idan aka samu irin wadannan barbashi.

3. Admixtures: kankare admixtures, ta hanyar na gani lura da launi, shi za a iya wajen yin hukunci ko shi ne naphthalene (brown), aliphatic (jini ja) ko polycarboxylic acid (colorless ko haske rawaya), ba shakka, akwai kuma naphthalene da kuma mai Samfurin (jajayen launin ruwan kasa) bayan hadewa kuma ana iya tantance shi daga warin mai rage ruwa.

4. Admixtures: An fi sanin ingancin jigon gardama ta hanya mai sauƙi ta “ganin gani, tsukewa da wankewa”. “Kallon” yana nufin kallon sifar barbashi na tokar kuda. Idan barbashin yana da siffar siffa, yana tabbatar da cewa tokar kuda ita ce ash duct na iska ta asali, in ba haka ba toka ne.

(1) “Tunko”, tsunkule da babban yatsan yatsa da yatsa, jin matakin man shafawa a tsakanin yatsu biyu, yawan mai, mafi kyawun tokar kuda, kuma akasin haka, mafi kauri (fineness) shine.

(2) “Wanka”, Ɗauki dunƙun tokar kuda da hannunka sannan a wanke shi da ruwan famfo. Idan ragowar da aka makala a tafin hannu za a iya wanke shi cikin sauƙi, ana iya yanke hukunci cewa asarar da aka yi a kan wutan tokar gardama kadan ne, in ba haka ba ragowar ba ta da yawa. Idan yana da wahala a wanke, yana nufin cewa hasara akan ƙonewar tokar gardawa yana da yawa.

Siffar launin tokar gardawa kuma na iya nuna ingancin tokar gardawa a kaikaice. Launi baƙar fata ne kuma abun cikin carbon yana da girma, kuma buƙatar ruwa ya fi girma. Idan akwai wani yanayi mara kyau, yakamata a gudanar da gwajin rabo a cikin lokaci don bincika tasirin tasirin ruwa, aikin aiki, saita lokaci da ƙarfi.

Siffar launi na foda foda shine farin foda, kuma launin foda mai launin toka ne ko baki, yana nuna cewa za'a iya haɗe foda da foda na karfe ko ash ash tare da ƙananan aiki.