Influence of low elevated temperature on the mechanical behavior of steel rebars and prestressing wires in nuclear containment structures

详细信息    查看全文

• 作者：Wiem Toumi Ajimi ; ^{wiem.toumi_ajimi.2013@utt.fr} ; Sylvain Chataigner ^{sylvain.chataigner@ifsttar.fr} ; Laurent Gaillet ^{laurent.gaillet@ifsttar.fr}
• 关键词：Rebars ; Prestressing tendons ; Low elevated temperature ; Tensile behavior ; Pull-out ; Relaxation
• 刊名：Construction and Building Materials
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：134
• 期：Complete
• 页码：462-470
• 全文大小：1504 K
• 卷排序：134

文摘

Between 20–140 °C, tensile behavior for rebars and wires is little affected. Between 20–140 °C, bond between concrete and rebars may decrease strongly. At low elevated temperature levels, relaxation rates increase drastically. The initial load ratio has also a strong influence on relaxation.