Stretching span capability of prestressed concrete bridges under AASHTO LRFD

被引：0

作者：

Chen, Yohchia ^{[1
]}

Aswad, Alex ^{[1
]}

机构：

[1] Penn State/Harrisburg, Middletown, United States

来源：

Journal of Bridge Engineering | 1996年 / 1卷 / 03期

关键词：

Approximation theory - Dynamic loads - Load limits - Prestressed concrete - Safety factor - Specifications - Structural analysis;

D O I：

10.1061/(ASCE)1084-0702(1996)1:3(112)

中图分类号：

学科分类号：

摘要：

A general refined analysis procedure for predicting the vehicular live load distribution on simply supported bridge girders is described. Load and Resistance Factor Design (LRFD) distribution factor formulas for flexure are carefully reviewed for modern prestressed concrete bridges made of I-girders or spread box girders with larger span-to-depth ratios. LRFD's results are compared with those obtained from the refined analysis method. Design recommendations are offered.

引用

页码：112 / 120

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