Observation of void structure of the concrete.
利用事例本文
X ray CT is unique technique to study void structure of concrete. Cement paste is porous, and its voids are estimated as path of chemical components which causes concrete deterioration. Figure 1 shows cross section of ordinary Portland cement paste. Black parts are voids. In upper left side we can see sand. Our test piece is enlarged void with Calcium leaching test. Figure 2 shows three dimension void structure with combining digitized cross sections. With observing figure 2, we can grasp void structures, and develop understanding of deterioration mechanism of concrete.
Fig. 1 Fig. 2
[ T. Hitomi, Y. Mita and N. Takeda, Proceedings of JSMS Symposium on Structures Scenario 5, 223-228 (2005), Fig. 7, 16,
©2005 The Society of Materials Science, Japan ]
学術利用キーワード
| A. 試料 | 無機材料 |
|---|---|
| B. 試料詳細 | 絶縁体・セラミックス, 結晶性固体 |
| C. 手法 | 吸収、及びその二次過程 |
| D. 手法の詳細 | |
| E. 付加的測定条件 | 三次元画像計測（ＣＴ等）, 室温 |
| F. エネルギー領域 | Ｘ線（4～40 keV) |
| G. 目的・欲しい情報 | 欠陥、転位、歪み, 形態・巨視的構造 |
産業利用キーワード
| 階層1 | 建設, 工業材料 |
|---|---|
| 階層2 | コンクリート |
| 階層3 | |
| 階層4 | 内部構造 |
| 階層5 | イメージング |
問い合わせ番号
SOL-0000001104