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| Improvements in Seismic Performance of Prefabricated Bridge Piers |
| ZHANG Yu-ye1,2, ZHAI Yong1 |
1. Department of Civil Engineering, Nanjing University of Science and Technology, Nanjing Jiangsu 210094, China;
2. Key Laboratory of Concrete and Pre-stressed Concrete Structure of Ministry of Education, Southeast University, Nanjing Jiangsu 210096, China |
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Abstract Compared with traditional cast-in place piers, prefabricated piers have many advantages and been applied in an increasing number of bridge structures in recent years. However, inferior seismic performance hinders the development of these innovative piers. Improvement methods for the seismic performance of prefabricated piers have thus been studied. However, systematic discussions on the advantages and disadvantages, applicability, and concepts of these methods are limited. Thus, this study comprehensively compares and analyzes improvements in the seismic performance of prefabricated piers. The background of the problem is first discussed. The main measures for improving the seismic performance of these structures are then summarized and classified into four categories. Furthermore, concepts and methods relevant to these measures are analyzed. Finally, main issues that warrant further study are proposed. This work provides reference for the future research and engineering practice of prefabricated bridge piers.
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Received: 22 July 2016
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| Fund:Supported by the National Natural Science Foundation of China (No. 51508276); the China Postdoctoral Science Foundation (No. 2015M570399); and the Postgraduate Research & Practice Innovation Program of Jiangsu Province (No. SJCX17_0117) |
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Corresponding Authors:
ZHANG Yu-ye
E-mail: zyy@njust.edu.cn
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2018, Vol. 12 
