Evaluation for flexural-load capacity of prestressed concrete girders with broken tendons

被引：3
|
作者：
Watanabe K. [1 ]
Tadokoro T. [1 ]
Tanimura Y. [1 ]
机构：
[1] Concrete Structure Laboratory, Structures Technology Division
来源：
Quarterly Report of RTRI (Railway Technical Research Institute) (Japan) | 2011年 / 52卷 / 04期
关键词：
Broken tendons; Flexural-load capacity; PC girder;
D O I：
10.2219/rtriqr.52.224
中图分类号：
学科分类号：
摘要：
The use of low-grade material sheath grouting for PC girders has resulted in some PC girders initially constructed in the 1950s having insufficiently filled sheaths. The exposure of PC tendons in the sheath generates corrosion and rupture of the PC tendons, reducing the load-bearing capacity of PC girders. This research focused on the interface bond between PC tendons and grout in the sheath through loading tests in order to explain the loading capacity of deteriorated PC girders.
引用
收藏
页码：224 / 229
页数：5
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