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Frontiers of Structural and Civil Engineering

Front. Struct. Civ. Eng.    2008, Vol. 2 Issue (3) : 274-280     https://doi.org/10.1007/s11709-008-0039-1
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Spatial embedded reinforcement of 20-node block element for analysis PC bridges
LONG Peiheng1, DU Xianting2, CHEN Weizhen3
1.Department of Civil Engineering, Beijing Institute of Civil Engineering and Architecture; 2.School of Civil Engineering & Architecture, Beijing Jiaotong University; 3.Department of Bridge Engineering, Tongji University;
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Abstract The formula for the contribution of prestressed reinforcement on embedded reinforcement element is derived according to the mechanical behavior of PC bridges and the foundational principle of finite element method. Mechanical concept is definite and examples validate the calculation results. Reinforcement element model allows generating a finite element mesh without taking into consideration the layout of reinforcements. Furthermore, the prestressing tendon may pass through the concrete elements in an arbitrary manner. It is an effective approach that the no-node loads are diverted from the tendons to the adjacent concrete elements. A useful arithmetic analysis of the spatial curved tendon PC Bridges is provided.
Issue Date: 05 September 2008
 Cite this article:   
DU Xianting,LONG Peiheng,CHEN Weizhen. Spatial embedded reinforcement of 20-node block element for analysis PC bridges[J]. Front. Struct. Civ. Eng., 2008, 2(3): 274-280.
 URL:  
http://journal.hep.com.cn/fsce/EN/10.1007/s11709-008-0039-1
http://journal.hep.com.cn/fsce/EN/Y2008/V2/I3/274
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