NEW IDEAS FOR TIMBER BRIDGES.

被引：0

作者：

Oliva, Michael G. ^{[1
]}

Tuomi, Roger L. ^{[1
]}

Dimakis, A.G. ^{[1
]}

机构：

[1] Univ of Wisconsin, Madison, WI, USA, Univ of Wisconsin, Madison, WI, USA

来源：

Transportation Research Record | 1986年

关键词：

BEAMS AND GIRDERS - Prestressed - TRUSSES - Design;

D O I：

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中图分类号：

学科分类号：

摘要：

This paper describes new ideas, which are being examined for bridge construction, rehabilitation, and production of efficient performance and low cost in timber bridge systems. The research covers reviewing recent advancements in bridge design, applying new techniques to enhance the performance of common bridge types, and evaluating totally new structural configurations for use in bridges. The performance enhancement may be achieved by increasing the transverse spread of load through distributor beams, prestressing techniques, and dowels. New structural configurations include plane trusses, multileaf trusses, and composite beams assembled together to produce parallel chord longitudinal deck systems. The research involves theoretical evaluations to estimate span capabilities. The more promising concepts, which are based on structural potential, estimated cost, and simplicity, are being experimentally tested to verify models, theory, and design procedures.

引用

页码：59 / 65