Review of Guideway Design Criteria in Existing Transit System Codes


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Title: Review of Guideway Design Criteria in Existing Transit System Codes

Author(s): R. A. Dorton and H. N. Grouni

Publication: Journal Proceedings

Volume: 75

Issue: 4

Appears on pages(s): 134-144

Keywords: building codes; guideways; highway bridges;limit state design: live loads: load faciors; loads (forces] ;mass transportation; railroad bridges; rapid transit railways;structural analysis; structural design; ultimate strength method;wind pressure.

Date: 4/1/1978

With the recent revival of interest in mass transit systems it has become apparent that a design code covering concrete guideway structures is needed. This paper is considered a necessary first step in preparing a new transit code. Basic design philosophies and criteria adopted by some of the light rail and heavy rail transit authorities in North America are reviewed and compared. The more familiar highway and railway transportation authorities are included for direct comparison. Relevant design criteria of the British Standards Institute are also included as a reference to European systems. The study points out the existence of a wide variation in design concepts and approaches. It also shows that, while certain criteria of guideway design are well covered, other significant aspects are either left out or lack adequate coverage. Recommendations are presented to cover these discrepancies in future codes.