Factors governing redistribution of moment in continuous prestressed concrete beams

被引：10

作者：

Kodur, VKR ^{[1
]}

Campbell, TI ^{[1
]}

机构：

[1] Natl Res Council Canada, Inst Res Construct, Ottawa, ON K1A 0R6, Canada

来源：

STRUCTURAL ENGINEERING AND MECHANICS | 1999年 / 8卷 / 02期

关键词：

redistribution of moment; continuous beam; prestressed concrete; nonlinear analysis; secondary moment; parametric study; bonded post-tensioned beams;

D O I：

10.12989/sem.1999.8.2.119

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The failure load of a continuous prestressed concrete beam depends partially on the amount of redistribution of moment that occurs prior to failure. Results from a parametric study, carried out using a nonlinear finite element computer program, are presented to demonstrate the influences of various factors on redistribution of moment in two-span, continuous bonded prestressed concrete beams. Trends in the data from the numerical studies are compared with those from a theoretical expression for percentage of redistribution, and it is shown that the redistribution of moment occurring in a continuous prestressed concrete beam is a function of number of parameters.

引用

页码：119 / 136

页数：18