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台灣混凝土潛變收縮資料庫建置及特質分析

Development and Analysis of Creep and Shrinkage Database of Concrete in Taiwan

摘要


本研究彙整台灣近半世紀潛變及收縮試驗資料,參考國際上資料庫的參數組成及資料架構,並與前所建立台灣既有混凝土資料庫結合,建立「台灣混凝土潛變收縮資料庫」。其中收錄82篇文獻,包含潛變試驗156組及收縮 試驗303組,並對於其材料性質、配比、摻料用量、試體幾何、養護條件等試驗情況皆有紀錄。本研究透過與文獻探討和國際資料庫資料的分析比較,證實台灣混凝土配比設計中,在相同設計強度目標,具有使用高水泥量及漿體量,及使用彈性模數較低之本土粒料的特性。最後,本文成果除了將台灣資料庫併入世界混凝土資料庫,並可用以建立台灣混凝土潛變與收縮預測公式,亦期望能奠定世界資料庫發展至雲端化、網頁化之基礎。

關鍵字

混凝土 潛變 收縮 高爐石粉 飛灰 資料庫

並列摘要


The present study begins with the organization of recent half a century data on the shrinkage and creep testing, and proceeds to refer the parameter formation and data structure in international databases, and combines those with present concrete databases in Taiwan to create the Database on Creep and Shrinkage of Taiwan Concrete. The database incorporates 82 documents, 156 data sets for concrete creep tests, and 303 data sets for concrete shrinkage tests. The material properties, the mix designs, the admixture amounts, the geometry of the test specimens, and the test conditions, for each test, are well documented in this database. Through comparisons with international database analyses and literature reviews, this study has verified that the mix design of concrete in Taiwan, for comparable design strength targets, tends to have the following characteristics: high cement amounts, and low elastic moduli of local aggregate. Finally, this study, in addition to incorporating the Taiwan database into the international concrete databases, is also expected to serve as a base to facilitate the development of the worldwide database with a cloud-based web platform for the world.

並列關鍵字

Concrete Creep Shrinkage Slag Fly Ash Database

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