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Strategic Study of CAE >> 2008, Volume 10, Issue 10

Review of application and research of strut-and-tie models for concrete bridges

Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China

Funding project:国家自然科学基金资助项目(50778038);教育部博士点基金项目(20070286097) Received: 2008-06-30 Available online: 2008-10-13

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Abstract

The strut-and-tie model (STM) is an emerging procedure for the design of D-regions in concrete bridges. It is becoming one of the cutting edge research areas in structural engineering. Based on the concept and formation of strut-and-tie models, the typical D-regions existing in concrete bridges and their configurations are expounded. The criterion to develop appropriate strut-and-tie models and general procedures for dimensioning the D-region of structures are also discussed. According to AASHTO LRFD (2004), the application of the STM to design a typical anchorage blister is exemplified. At last, the origin and the state of the art are reviewed, and the current research areas are pointed out.

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