Compressive Strength, Elastic Modulus and Poisson’s Ratio of Rapid Hardening Concrete

Authors

  • สมพร งามทวี ภาควิชาวิศวกรรมโยธา คณะวิศวกรรมศาสตร์และสถาปัตยกรรมศาสตร์ มหาวิทยาลัยเทคโนโลยีราชมงคลอีสาน
  • รุ่งโรจน์ อยู่รอด
  • นราศักดิ์ แสนกล้า
  • กริชฌากรณ์ มูลเสนา
  • ศตคุณ เดชพันธ์
  • ณัฐพงศ์ ดำรงวิริยะนุภาพ
  • ธนากร ภูเงินขำ

Keywords:

Rapid hardening concrete, High-calcium fly ash, Clay residual, Silica fume, Mechanical properties

Abstract

This article aims to study the compressive strength, elastic modulus and Poisson’s ratio of rapid hardening concrete made from high-calcium fly ash incorporated with clay residue (CR) and silica fume (SF). The FA:CR:SF ratios were 100:0:0, 90:10:0, 90:5:5, 80:20:0, 80:15:5, 80:10:10, 70:30:0, 70:25:5, 70:20:10 and 70:15:15, respectively. Sodium silicate solution with 10 molar sodium hydroxide solution were used as alkaline solutions in the mixture. The setting time, compressive strength, modulus of elasticity, and Poisson’s ratio of rapid hardening concrete were investigated. Test results found that the usage of CR to replace FA for manufacturing rapid hardening concrete could delay its setting time. The compressive strength and elastic modulus of FA rapid hardening concrete tended to decrease with an increase in both CR and SF. It can be concluded that rapid hardening concrete made from FA with 10%CR was a marginal increase compared to the control mix.

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References

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NCCE25

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Published

2020-07-07

How to Cite

[1]
งามทวี ส. et al. 2020. Compressive Strength, Elastic Modulus and Poisson’s Ratio of Rapid Hardening Concrete. The 25th National Convention on Civil Engineering. 25, (Jul. 2020), MAT27.

Issue

Vol. 25 (2020): Proceeding: The 25th National Convention on Civil Engineering

Section

Construction Material Engineering

License

บทความทั้งหมดที่ได้รับการคัดเลือกให้นำเสนอผลงานในการประชุมวิชาการวิศวกรรมโยธาแห่งชาติ ครั้งที่ 25 นี้ เป็นลิขสิทธิ์ของ วิศวกรรมสถานแห่งประเทศไทย ในพระบรมราชูปถัมภ์

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