Effect of amine-based strength enhancer on early strength improvement using fly ash

Miho Miyakawa; Keisuke Iwaki; Daiki Ataras; Tomuyuki Koyama

doi:10.3130/aijs.82.783

Effect of amine-based strength enhancer on early strength improvement using fly ash

Miho Miyakawa, Keisuke Iwaki, Daiki Ataras, Tomuyuki Koyama

Structural Engineering and Disaster Mitigation Section

Research output: Contribution to journal › Article › peer-review

Abstract

For utilization of fly ash which is one of byproducts, authors focus on fly ash having relative lower consumption, even specified in JIS. One of the reasons for lower consumption is slower early strength development than ordinary Portland cement (OPC) in case of much replacing ratio of fly ash in fly ash cement. Blend Alkanolamine shows higher strength than Triisopropanolamine by fly ash Type-B-mixture and fly ash Type-C-mixture. Besides, blend Alkanolamine shows higher strength than OPC mortar from 1day. The mechanism shows hydration of C3S and C4AF within 48 hours are increased by using strength enhancers.

Original language	English
Pages (from-to)	783-789
Number of pages	7
Journal	Journal of Structural and Construction Engineering
Volume	82
Issue number	736
DOIs	https://doi.org/10.3130/aijs.82.783
Publication status	Published - Jun 2017

All Science Journal Classification (ASJC) codes

Architecture
Building and Construction

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title = "Effect of amine-based strength enhancer on early strength improvement using fly ash",

abstract = "For utilization of fly ash which is one of byproducts, authors focus on fly ash having relative lower consumption, even specified in JIS. One of the reasons for lower consumption is slower early strength development than ordinary Portland cement (OPC) in case of much replacing ratio of fly ash in fly ash cement. Blend Alkanolamine shows higher strength than Triisopropanolamine by fly ash Type-B-mixture and fly ash Type-C-mixture. Besides, blend Alkanolamine shows higher strength than OPC mortar from 1day. The mechanism shows hydration of C3S and C4AF within 48 hours are increased by using strength enhancers.",

author = "Miho Miyakawa and Keisuke Iwaki and Daiki Ataras and Tomuyuki Koyama",

year = "2017",

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doi = "10.3130/aijs.82.783",

language = "English",

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pages = "783--789",

journal = "Journal of Structural and Construction Engineering",

issn = "1340-4202",

publisher = "日本建築学会",

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AU - Ataras, Daiki

AU - Koyama, Tomuyuki

PY - 2017/6

Y1 - 2017/6

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