Your browser does not allow JavaScript!
JavaScript is necessary for the proper functioning of this website. Please enable JavaScript or use a modern browser.
|
|
SLO
|
ENG
|
Cookies and privacy
DKUM
EPF - Faculty of Business and Economics
FE - Faculty of Energy Technology
FERI - Faculty of Electrical Engineering and Computer Science
FF - Faculty of Arts
FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
FKBV - Faculty of Agriculture and Life Sciences
FKKT - Faculty of Chemistry and Chemical Engineering
FL - Faculty of Logistic
FNM - Faculty of Natural Sciences and Mathematics
FOV - Faculty of Organizational Sciences in Kranj
FS - Faculty of Mechanical Engineering
FT - Faculty of Tourism
FVV - Faculty of Criminal Justice and Security
FZV - Faculty of Health Sciences
MF - Faculty of Medicine
PEF - Faculty of Education
PF - Faculty of Law
UKM - University of Maribor Library
UM - University of Maribor
UZUM - University of Maribor Press
COBISS
Faculty of Business and Economic, Maribor
Faculty of Agriculture and Life Sciences, Maribor
Faculty of Logistics, Celje, Krško
Faculty of Organizational Sciences, Kranj
Faculty of Criminal Justice and Security, Ljubljana
Faculty of Health Sciences
Library of Technical Faculties, Maribor
Faculty of Medicine, Maribor
Miklošič Library FPNM, Maribor
Faculty of Law, Maribor
University of Maribor Library
Bigger font
|
Smaller font
Introduction
Search
Browsing
Upload document
Statistics
Login
First page
>
Show document
Show document
Title:
Dinamična analiza deformiranja cestne varnostne ograje pri naletu vozila
Authors:
ID
Vesenjak, Matej
(
Author
)
ID
Ren, Zoran
(
Author
)
Files:
http://www.dlib.si/details/URN:NBN:SI:doc-PAAHB0D7
Language:
Slovenian
Work type:
Not categorized
Typology:
1.04 - Professional Article
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
V prispevku je obravnavana dinamična analiza jeklene cestne varnostne ograje. Slednja se uporablja na javnih cestah za preprečitev zdrsa vozila s cestišča ali preboja na nasprotni vozni pas. Evropski standard EN 1317 podaja natančna merila, ki jih mora izpolnjevati ograja. Dosedanje raziskave so pokazale, da je sedanja cestna varnostna ograja pri naletu vozila pretoga, kar ima za posledico prevelike pojemke pri naletu vozila. Na togost ograje ima v začetni fazi trka vozila ob varnostno ograjo najveèji vpliv distanènik. Namen raziskave je oblikovanje novega distančnika, ki bo zmozen povečane absorpcije energije trka in s tem nadzorovane deformacije pri naletu vozil. Ustreznost novih oblik distančnika je bila preverjena z dinamičnimi nelinearnimi (materialna, geometrijska in strukturna nelinearnost) analizami trirazseznega modela varnostne ograje po metodi konènih elementov. Rezultati računalniskih simulacij kazejo, da je sedanji distančnik pretog in da lahko z drugačnimi oblikami distančnikov povečamo zmožnost elasto-plastičnega deformiranja in s tem absorpcijo energije trka ter tako posredno zmanjšamo pojemke potnikov v vozilih med trkom in povečamo cestno varnost.
Publisher:
Association of Mechanical Engineers and Technicians of Slovenia et al.
Year of publishing:
2003
Number of pages:
str. 586-592
Numbering:
Letn. 49, št. 12
PID:
20.500.12556/DKUM-53086
UDC:
625.745.5:692.88:656.089.2:62-783.3
ISSN on article:
0039-2480
COBISS.SI-ID:
7074843
NUK URN:
URN:SI:UM:DK:XLGMVZ9H
Publication date in DKUM:
10.07.2015
Views:
1652
Downloads:
58
Metadata:
Categories:
Misc.
Cite this work
Plain text
BibTeX
EndNote XML
EndNote/Refer
RIS
ABNT
ACM Ref
AMA
APA
Chicago 17th Author-Date
Harvard
IEEE
ISO 690
MLA
Vancouver
:
Copy citation
Average score:
(0 votes)
Your score:
Voting is allowed only for
logged in
users.
Share:
Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.
Record is a part of a journal
Title:
Strojniški vestnik
Shortened title:
Stroj. vestn.
Publisher:
Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.]
ISSN:
0039-2480
COBISS.SI-ID:
762116
Secondary language
Language:
English
Title:
Dynamic analysis of a road restraint system's deformation resulting from a vehicle impact
Abstract:
This paper describes a dynamic analysis of a steel road-restraint system that is used on public roads to prevent a vehicle from veering off the road or breaking through to the opposite side of the road. The European standard EN 1317 provides the exact criteria that the road-restraint system has to fulfill. Practical observations of installed systems indicate that the currentdistance spacer is too stiff, which results in unacceptable decelerations during vehicle impact. The stiffness of the restraint system in the initial phase of the crash is largely attributed to the distance-spacer design. The purpose of this research was to evaluate new designs of the distance spacer with increased crash-energy absorption due to a more controlled deformation during vehicle impact. The stiffness of various designswas evaluated with nonlinear dynamic (material, geometric and structural-contact nonlinearity) analysis of a three-dimensional road-restraint system within the framework of the finite-element method. The computational analyses prove that the currently used distance spacer is indeedfar too stiff and that the new designs ensure controllable elasto-plastic deformation and absorb more crash energy, which in turn reduces decelerations during the impact and increases the safety of road users.
Keywords:
roadside safety
,
road restraint barriers
,
dynamic analysis
,
numerical simulations
,
neolinear simulations
Comments
Leave comment
You must
log in
to leave a comment.
Comments (0)
0 - 0 / 0
There are no comments!
Back
