Reducing Cement Contents of Paving Blocks by Using Mineral Waste and by-Product Materials

E. Ganjian, Ghassan Jalull, H. Sadeghi-Pouya

Research output: Contribution to journalArticle

1 Citation (Scopus)
213 Downloads (Pure)

Abstract

In the production of conventional paving blocks, it is usual to use a minimum of 210  kg/m3 of cement. However, when portland cement is produced, it impacts negatively on the environment due to carbon dioxide emissions. Therefore, this paper investigates the use of waste and by-product materials, such as run-of-station ash (ROSA), basic oxygen slag (BOS), ground granulated blast-furnace slag (GGBS), plasterboard gypsum (PG), and cement bypass dust (BPD) to reduce the amount of cement in paving blocks. The combinations of binary and ternary blends in different mixes are considered. Tensile strength, skid/slip and freeze/thaw resistance of paving blocks, verified that a cementitious mix containing ROSA up to 60%, GGBS up to 55%, BPD up to 25%, and plasterboard gypsum PG up to 5% by weight can replace portland cement without having any substantial impact on the strength or durability of the blocks. XRD and XRF tests of selected mixes have been presented and discussed. Concrete blocks prepared with OPC/GGBS/BPD can reduce cement content by up to 30% in comparison to the percent of cement used in factories.
Original languageEnglish
Article number04014106
JournalJournal of Materials in Civil Engineering
Volume27
Issue number1
DOIs
Publication statusPublished - 25 Jan 2014

Fingerprint

Minerals
Byproducts
Cements
Ashes
Calcium Sulfate
Slags
Gypsum
Dust
Portland cement
Concrete blocks
Carbon Dioxide
Industrial plants
Carbon dioxide
Durability
Tensile strength
Oxygen

Keywords

  • Blocks
  • Concrete
  • Environmental issues
  • Precast concrete
  • Stress
  • Tensile strength

Cite this

Reducing Cement Contents of Paving Blocks by Using Mineral Waste and by-Product Materials. / Ganjian, E.; Jalull, Ghassan; Sadeghi-Pouya, H.

In: Journal of Materials in Civil Engineering, Vol. 27, No. 1, 04014106, 25.01.2014.

Research output: Contribution to journalArticle

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abstract = "In the production of conventional paving blocks, it is usual to use a minimum of 210  kg/m3 of cement. However, when portland cement is produced, it impacts negatively on the environment due to carbon dioxide emissions. Therefore, this paper investigates the use of waste and by-product materials, such as run-of-station ash (ROSA), basic oxygen slag (BOS), ground granulated blast-furnace slag (GGBS), plasterboard gypsum (PG), and cement bypass dust (BPD) to reduce the amount of cement in paving blocks. The combinations of binary and ternary blends in different mixes are considered. Tensile strength, skid/slip and freeze/thaw resistance of paving blocks, verified that a cementitious mix containing ROSA up to 60{\%}, GGBS up to 55{\%}, BPD up to 25{\%}, and plasterboard gypsum PG up to 5{\%} by weight can replace portland cement without having any substantial impact on the strength or durability of the blocks. XRD and XRF tests of selected mixes have been presented and discussed. Concrete blocks prepared with OPC/GGBS/BPD can reduce cement content by up to 30{\%} in comparison to the percent of cement used in factories.",
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