材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
3次元有限要素法による3径間連続PC中空げた橋の構造解析に関する研究
金 性七井上 晋服部 篤史小林 孝一
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1995 年 44 巻 507 号 p. 1409-1416

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The structural system of prestressed concrete (PC) voided slab deck is intermediate between plate and girder. Therefore, the conventional design method is based on the assumption that the system is similar to the plate system or to the grid system.
In this paper, the structural behavior of a continuous PC voided slab deck with three spans was analyzed by using the three dimensional solid finite element method (FEM). The analytical results were compared with those obtained from the conventional beam, plate and grid theories. In addition, the effect of parameters on the stress at the intermediate support was discussed; and the suitability of negative bending moment reduction at the intermediate support described in the specification for continuous roadway bridges was investigated.

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