بررسی مهم‌ترین خواص فیزیکی و مکانیکی سیمان سربارۀ فسفر

نوع مقاله : پژوهشی

نویسندگان

1 Institute of Chemical Technology

2 دانشگاه علم و صنعت ایران

چکیده

در این مطالعه، خواص مخلوط‌های دوتایی حاوی سربارۀ فسفر (80 درصد وزنی) و فعال‌کنندۀ مرکب پایۀ سیمان پرتلند (20 درصد وزنی) در سه نرمی بلین 2050، 3030، و cm2/g 4500 مورد بررسی قرار گرفتند. همچنین نرمی بلین cm2/g 3030 به‌منظور بررسی اثر دماهای عمل‌آوری 45، 85 و ºC 200 برروی توسعۀ مقاومت فشاری انتخاب شد. نتایج آزمایش‌ها نشان داد که با افزایش نرمی بلین جرم حجمی توده و زمان گیرش کاهش و نسبت آب به سیمان در قوام معمول و مقاومت فشاری افزایش می‌یابد و در دماهای بالاتر از ºC 45، مقاومت فشاری در انتهای زمان عمل‌آوری کاهش می‌یابد.

کلیدواژه‌ها


عنوان مقاله [English]

Investigating the Most Important Physical and Mechanical Properties of Phosphorus Slag Cement

نویسندگان [English]

  • Ali Allahverdi 1
  • Mostafa Mahinroosta 2
1 Iran University of Science and Technology
2 Iran University of Science and Technology
چکیده [English]

In this study, the properties of binary mixtures containing phosphorus slag (80 wt.%) and Portland based-chemical activator (20 wt.%) at three Blaine fineness of 2050, 3030, and 4500 cm2/g were studied. Also, Blaine fineness of 3030 cm2/g was selected to investigate the effect of curing temperature of 45, 85, and 200 ºC on compressive strength improvement. The experimental results showed that with enhancement of Blaine fineness, the bulk density and setting time decrease and water-to-cement ratio and compressive strength increase and at temperatures higher than 45 ºC, compressive strength decreases at later curing times.

کلیدواژه‌ها [English]

  • Phosphorus Slag
  • Blaine Fineness
  • Curing
  • Activator
  • Compressive Strength
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