TRB Pubsindex
Text Size:

Title:

OPTIMIZATION OF VERTICAL ALIGNMENT FOR HIGHWAYS THROUGH MATHEMATICAL PROGRAMMING

Accession Number:

00203473

Record Type:

Component

Abstract:

THE DESIGN OF THE VERTICAL ALIGNMENT PORTION OF A MODERN HIGHWAY IS AN ENGINEERING PROBLEM OF LARGE COMPUTATIONAL MAGNITUDE CHARACTERISTICALLY POSSESSING AN UNLIMITED NUMBER OF SOLUTIONS. THE FAMILIAR ALIGNMENT PROBLEM IS SUBJECTED TO FORMAL MATHEMATICAL DECISION THEORY. AN ALGORITHM IS DEVELOPED THAT IS CAPABLE OF GENERATING A SEQUENCE OF FEASIBLE DESIGN STATEMENTS AND THAT TERMINATES WITH AN OPTIMAL DESIGN. THE DESIGN ALGORITHM IS DEVELOPED FOR RAPID SOLUTION ON A DIGITAL COMPUTER TO PRODUCE A HIGHLY REFINED DESIGN STATEMENT. A LIST OF DESIGN CONSTRAINTS IS COMPILED AND MATHEMATICALLY DESCRIBED IN TERMS OF THE ALIGNMENT DESIGN VARIABLES. A GENERAL COST FUNCTION IS DERIVED IN TERMS OF THE DESIGN VARIABLES. THE DESIGN VARIABLES DEFINED IN THE SOLUTION PROCESS ARE THE CENTERLINE ELEVATIONS AND THE LOCATION OF THE CATCH POINTS AT EITHER SIDE OF THE ROADWAY. /AUTHOR/

Supplemental Notes:

Paper sponsored by Committee on Geometric Highway Design. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.

Monograph Accession #:

01410245

Authors:

Hayman, Robert W

Pagination:

pp 1-9

Publication Date:

1970

Serial:

Highway Research Record

Issue Number: 306
Publisher: Highway Research Board

Media Type:

Digital/other

Features:

Figures (2) ; References (4)

Uncontrolled Terms:

Subject Areas:

Design; Finance; Highways

Files:

TRIS, TRB

Created Date:

Sep 21 1970 12:00AM

More Articles from this Serial Issue: