Ana yin simintin gyare-gyaren simintin ƙarfe mai launin toka ta hanyar aikin simintin yashi, duk da haka, don wasu simintin gyare-gyare waɗanda ke buƙatar daidaitaccen tsari kuma suna da tsari mai rikitarwa,tsarin simintin zuba jarikuma zabi ne mai kyau.
Lokacin da muka jefa baƙin ƙarfe mai launin toka, muna bin ƙa'idodin sinadarai da kaddarorin inji bisa ga tauraro ko buƙatu daga abokan ciniki. Bayan haka, muna da iyawa da kayan aiki don gwada idan akwai lahani a cikin simintin yashin baƙin ƙarfe.
Kodayake simintin ƙarfe na iya samun adadin carbon tsakanin 2 zuwa 6.67, iyakar aiki yawanci tsakanin 2 da 4%. Waɗannan suna da mahimmanci musamman saboda kyawawan halayen simintin su. Ƙarfin launin toka ya fi arha arha fiye da baƙin ƙarfe, amma yana da ƙarancin ƙarfi da ductility fiye da baƙin ƙarfe. Grey baƙin ƙarfe ba zai iya maye gurbin carbon karfe, yayin da ductile baƙin ƙarfe iya maye gurbin carbon karfe a wasu yanayi saboda high tensile ƙarfi, yawan amfanin ƙasa ƙarfi da elongation na ductile baƙin ƙarfe.
Zuba jari (ɓataccen kakin zuma) simintin simintin gyare-gyare hanya ce ta ƙayyadaddun simintin simintin gyare-gyaren dalla-dalla dalla-dalla dalla-dalla ta amfani da kwafin tsarin kakin zuma. Zuba jari ko rasa kakin zuma tsari ne na simintin ƙarfe wanda yawanci yana amfani da ƙirar kakin zuma da ke kewaye da harsashi yumbu don yin yumbu. Lokacin da harsashi ya bushe, kakin zuma ya narke, yana barin ƙura kawai. Sannan ana samar da bangaren simintin ta hanyar zuba narkakkar karfe a cikin yumbu.
Tsarin simintin gyare-gyaren siliki shine babban tsarin simintin saka hannun jari na ginin simintin saka hannun jari na RMC. Mun kasance muna haɓaka sabbin fasaha na kayan mannewa don cimma mafi ƙarancin tattalin arziƙi da ingantaccen kayan manne don gina harsashi slurry. Yana da wani gagarumin Trend cewa Silica sol simintin gyaran kafa maye gurbin m m ruwa gilashin tsari, musamman ga bakin karfe simintin da kuma gami karfe simintin. Bayan sabbin kayan gyare-gyare, tsarin simintin gyare-gyaren silica shima ana ƙirƙira shi zuwa mafi ƙaranci da ƙarancin faɗaɗa zafi.
Abu bisa ga DIN EN 1561 | Auna | Naúrar | EN-GJL-150 | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 | EN-GJL-350 |
EN-JL 1020 | EN-JL 1030 | EN-JL 1040 | EN-JL 1050 | EN-JL 1060 | |||
Ƙarfin Ƙarfin Ƙarfi | Rm | MPA | 150-250 | 200-300 | 250-350 | 300-400 | 350-450 |
0.1% Ƙarfin Haɓaka | Rp0,1 | MPA | 98-165 | 130-195 | 165-228 | 195-260 | 228-285 |
Ƙarfin Ƙarfi | A | % | 0,3 - 0,8 | 0,3 - 0,8 | 0,3 - 0,8 | 0,3 - 0,8 | 0,3 - 0,8 |
Ƙarfin Ƙarfi | Ƙaddamarwa dB | MPa | 600 | 720 | 840 | 960 | 1080 |
0.1% Ƙarfin Ƙarfi | ku 0,1 | MPa | 195 | 260 | 325 | 390 | 455 |
Ƙarfin Flexural | Ƙaddamarwa bB | MPa | 250 | 290 | 340 | 390 | 490 |
Schuifspanning | σaB | MPa | 170 | 230 | 290 | 345 | 400 |
Danniya mai ƙarfi | TtB | MPa | 170 | 230 | 290 | 345 | 400 |
Modules na elasticity | E | GPA | 78-103 | shafi na 88-113 | 103-118 | 108-137 | shafi na 123-143 |
Lambar guba | v | - | 0,26 | 0,26 | 0,26 | 0,26 | 0,26 |
Brinell taurin | HB | 160-190 | 180-220 | 190-230 | 200-240 | 210-250 | |
Halittu | Ƙaddamarwa bW | MPa | 70 | 90 | 120 | 140 | 145 |
Tashin hankali da canjin matsa lamba | Ƙaddamar da W | MPa | 40 | 50 | 60 | 75 | 85 |
Ƙarfin Ƙarfi | Klc | N/mm3/2 | 320 | 400 | 480 | 560 | 650 |
Yawan yawa | g/cm3 | 7,10 | 7,15 | 7,20 | 7,25 | 7,30 |
