GDL

Master Theses from JBPTITBPP / 2008-01-25 15:04:20
By : Jonie Tanijaya (NIM 25089002), S2 - Civil Engineering
Created : 1991-09-00, with 8 files

Keyword : struktur pelat lipat, metoda jalur hingga
Subject : Ciil Engineering
Subject Heading : Engineering
Call Number (DDC) : T 624.14 TAN

ABSTRAK:

Struktur jembatan lengkung telah menjadi k6mponen utama dari slstem jalan raga dalam dekade terakhir ini. Struktur jalan layang (elevated freeway structures) dan struktur simpang susun (muLti-LeveL interchange structures) menjadi sangat umum pada daerah pendudukan yang padat dan hampir tidak dapat dibangun tanpa struktur jembatan lengkung ini.

Biasanya, jembatan-jembatan ini ber-penampang gelagar kotak tertutup, sehingga momen-momen torsi yang tinggi akibat kelengkungan (curvature) dapat ditahan secara ekonomis.

Hingga kmni, metoda-metoda analisis dan disaln sudah sangat mendekati solusl eksak, tetapi karena sejumlah besar jembatan lengkung dibangun dl mana-mana sehingga sangat diperlukan metoda analisis yang praktis dan akurat.

Dalam tesis ini, parameter-parameter geometrls utama dari jembatan lengkung dipelajari. Pendekatan metoda jalur hingga diaplikasikan pada struktur pelat lipat bentuk gelagar kotak, untuk itu suatu program komputer ditulis. Metoda analisis ini dibatasi pada struktur dengan perletakan sederhana sepanjang sis.-ssi radial.

Akhirnya, berdasarkan metoda pendekatan ini petilaku dari jembatan gelagar kotak lengkung dipelajarl. khususnya karakteristik distribusi beban coba diselidiki berkenaan dengan posisi penempatannya terhadap jembatan.

Description Alternative :

ABSTRACT:

Curved bridges have become a major component of highway systems in recent years. Elevated freeways and multi-Level interchange structures are very common in densely populated areas and could hardly be constructed without curved bridges.

Usually, these bridges are of cellular cross section so that the high torsional moments due to curvature can be resisted ,economically.

Methods of analysis and design to date have been very approximate, but because of the Large number of curved bridges being constructed everywhere, refined methods of analysis are desirable.

In this thesis, the main geometric parameters of curved bridges are studied. The finite strip method of analysis applied to folded plate structures as a box girder, for which a general computer program was written. This method of analysts is restricted to structures simply supported along their straight radial edges.

Finally, on the basis, of this refined analytical method, the behavior of curved box girder bridges is studied. In particular, wheel Load distribution characteristics are investigated especially with respect to the Load position of the bridges.

Copyrights : Copyright (c) 1991 FTSL ITB, Information Dissemination Right @ 2008 ITB Central Library, Jl. Ganesha 10 Bandung, 40132, Indonesia. Verbatim copying and distribution of this entire article is permitted by author in any medium, provided this notice is preserved.

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