Restoration of joint load transfer

被引：0
|
作者：
Reiter, Michael J. [1 ]
Darter, Michael I. [1 ]
Carpenter, Samuel H. [1 ]
机构：
[1] Univ of Illinois, United States
来源：
Transportation Research Record | 1988年 / 1183期
关键词：
Concrete Construction - Joints;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The results of field performance studies of 369 restored joints and cracks located in 9 states are presented. Four retrofit load transfer devices were evaluated: round steel dowels, double-vee shear devices (without precompression or grooving), figure-eight devices, and minature I-beam devices. Extensive field and office data were collected and analyzed. Models were developed to predict the relative performance of the devices. Results indicate that the round steel dowel bar did the best job of reducing faulting, and it showed no device or matrix failure. Additional research is under way to provide improved performance data. A recommended retrofit dowel design for joints and cracks is provided.
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页码：46 / 58
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