Effect of saturated tea waste and perlite particles on early age hydration of high-strength cement mortars

Sadam Hussain Jakhrani, Hong Gi Kim, In Kyu Jeon, Jae Suk Ryou

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The main purpose of this work is to study the effect of saturated black tea waste and perlite on controlling the rapid heat of hydration in high-strength cement mortars at early ages. Tea waste and perlite were investigated as internal curing agents in different mixes. Mortar specimens with two different sizes of tea waste and perlite particles with 1 and 3% by volume of cement were added in different mixes to find their effect on early age hydration. The rising interior temperature, setting times, and strength parameters were evaluated. Results showed that the mix specimens that contained 3% tea waste and perlite particles significantly delayed the hydration process by minimizing internal temperature and extended setting times of different specimens. However, their usage had a slightly adverse impact on compressive and flexural strengths. It was observed that the specimens made with coarser particles of tea waste and perlite were more helpful to control early age rapid hydration than the specimens made with finer particles, whereas the specimens made with finer particles had slightly higher strengths than the specimens made with coarser particles. Hence, the coarser particles are recommended to be used in high-strength mortars to mitigate the early age rapid heat of hydration.

Original languageEnglish
Article number2269
JournalMaterials
Volume12
Issue number14
DOIs
StatePublished - 2019 Jul 1

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Mortar
Hydration
Cements
Bending strength
Compressive strength
Curing
Tea
Perlite
Temperature
Hot Temperature

Keywords

  • Absorption
  • Black tea waste
  • Hydration
  • Setting times
  • Strength; ultrasonic pulse velocity

Cite this

Jakhrani, Sadam Hussain ; Kim, Hong Gi ; Jeon, In Kyu ; Ryou, Jae Suk. / Effect of saturated tea waste and perlite particles on early age hydration of high-strength cement mortars. In: Materials. 2019 ; Vol. 12, No. 14.
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Effect of saturated tea waste and perlite particles on early age hydration of high-strength cement mortars. / Jakhrani, Sadam Hussain; Kim, Hong Gi; Jeon, In Kyu; Ryou, Jae Suk.

In: Materials, Vol. 12, No. 14, 2269, 01.07.2019.

Research output: Contribution to journalArticle

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