Properties of Dry-Mortar with Recycled Concrete Aggregate and Powder of Crushed Clay Bricks

Jian Hua Xue; Xiao Guang Li; Yun Xiao Liu; Qiang Du

doi:10.4028/www.scientific.net/AMR.374-377.1637

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 374-377Properties of Dry-Mortar with Recycled Concrete...

Properties of Dry-Mortar with Recycled Concrete Aggregate and Powder of Crushed Clay Bricks

Abstract:

Recycled concrete aggregate (RCA) and crushed clay bricks (CCB) have been increasingly researched and used in past two decades. However, studies focusing on the properties of dry-mortar with RCA and CCB are very limited. In this research, results from physical and mechanical properties of recycled mortar with fine recycled aggregate (FRA), fine recycled powder (FRP) and crushed clay brick (CCB) were secured. It is shown that sinking degree of FRA mortar can be adjusted in the range of 70-90mm and their water-maintainability is superior to natural sand mortar. However, compressive strength of FRA mortar at various ages decrease, compared to natural sand mortar under the condition of same mixed proportion. Compressive strength of FRA mortar is above 5.0MPa with mass ratio of aggregate to cement lower than 6.0.Workability of FRP and CCB mortar is similar to fly ash mortar and their apparent densities are under the 2.0g/cm³. Compressive strength of FRP and CCB mortar is near to 8.5 MPa at 28 days of age.

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Periodical:

Advanced Materials Research (Volumes 374-377)

Pages:

1637-1640

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.374-377.1637

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Online since:

October 2011

Authors:

Jian Hua Xue, Xiao Guang Li, Yun Xiao Liu, Qiang Du

Keywords:

Crushed Clay Brick, Fine Recycled Aggregate, Fine Recycled Powder, Mortar

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