The Benefits of Slag-Fly Ash on Improvement of Cementitious Materials Matrix and Itz Transport Properties

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Project title

Code/計畫編號

MOST111-2221-E019-018

Translated Name/計畫中文名

爐灰(爐石及飛灰)對水泥基材漿體及ITZ傳輸性質改善之效益

Project Coordinator/計畫主持人

Chung-Chia Yang

Funding Organization/主管機關

National Science and Technology Center for Disaster Reduction

Department/Unit

Department of Harbor and River Engineering

Website

https://www.grb.gov.tw/search/planDetail?id=14521307

Year

2022

Start date/計畫起

01-08-2022

Expected Completion/計畫迄

31-07-2023

Bugetid/研究經費

770千元

ResearchField/研究領域

土木水利工程

過去須借助電子顯微鏡(SEM)、Energy dispersion X-ray spectrometry、(EDX) Backscattered electron imaging (BSE)等儀器，才能觀察的ITZ定性行為，本研究中可用肉眼觀察到氯離子於ITZ傳輸之深度。藉由傳輸深度求得定量之氯離子傳輸係數，探討爐灰於水泥基材料時， ITZ及漿體傳輸性質改善之情形。針對ITZ及漿體分別之改善情形，探討混凝土耐久性適宜之爐灰比例(爐石/飛灰)及爐灰用量，發展強度及耐久性佳的超高性能混凝土。

Keyword(s)

爐灰
快速氯離子傳輸試驗
氯離子傳輸係數
界面過渡區
Slag-fly ash
RCM
Chloride migration coefficient
ITZ

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The Benefits of Slag-Fly Ash on Improvement of Cementitious Materials Matrix and Itz Transport Properties

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