Print this page Vehicle Barrier Analysis
Marvin Liebler, PE
Course Outline
1. Introduction
1.1 Non-impact barriers – general
1.2 Low impact barriers – general
1.3 High impact barriers – general
2. Non-impact barriers
2.1 Channelizing devices
2.2 Grade crossing traffic control devices
3. Low impact barriers
3.1 Jersey Barriers
3.2 Cable barriers – general
3.2.1 Cable sag
3.2.2 Cable calculations – force input
3.2.3 Cable calculations – kinetic energy input
3.2.4 Temperature effects in cables
3.3 Bollards – general
3.3.1 Soil assumptions
3.3.2 Force impact, no grade restraint
3.3.3 Kinetic energy impact, no grade restraint
3.3.4 Bollard with grade restraint
3.3.5 Post and Pier Design
4. High impact barriers – general
4.1 Anti-ram barrier standard
4.2 Types of high impact barriers
4.3 Estimation of barrier forces
4.3.1 Rigid barrier forces
4.3.2 Flexible barrier forces
4.4 Wall design
Appendix 1
Appendix 2
This course includes
a multiple choice quiz at the end,
Learning Objective
At the conclusion of this course, the student will:
- Learn general characteristics of three barrier types;
- Study channelizing devices;
- Learn grade crossing control devices;
- Study train detection method;
- Learn uses of Jersey barriers;
- Study typical Jersey barrier;
- Learn 2009 IBC requirements for vehicle barriers;
- Find types of cables used for cable barriers;
- Calculate cable sag without and with prestress;
- Find barrier cable deflections and forces for force input;
- Find barrier cable deflections and forces for K.E. input;
- Study temperature effects on cables;
- Learn spring rate of soil and values for different soil types;
- Analyze bollard for force impact, no grade restraint;
- Learn Newton-Raphson iteration method for solving equations;
- Analyze bollard for K.E. input, no grade restraint;
- Study bollard behavior when restrained at grade;
- Learn pier design;
- Study high impact barriers – general;
- Learn the Anti-ram barrier standard;
- Find engineering planter guidelines;
- Study the characteristics of barriers, cuts, and ditches;
- Learn to estimate forces for a rigid barrier;
- Learn to estimate forces for a flexible barrier;
- Study reinforced concrete wall barrier design; and
- Calculate moments for a doubly reinforced beam.
Intended Audience
Structural engineers
Structural designers
Architects
Construction inspectors
Facilities planners
Benefit to Attendees
The student will now have a detailed knowledge of the characteristics, analysis, and design of typical motor vehicle
Barriers.
Course Introduction
This course provides the tools to the student for analyzing non-impact, low impact, and high impact motor vehicle barriers. Procedures are given for designing cable barriers, bollards, and rigid walls.
Course Content
In this lesson, you are required to download and study the following course content in PDF format:
Please click on
the above underlined hypertext to view, download or print the document for your
study. Because of the large file size, we recommend that you first save the
file to your computer by right clicking the mouse and choosing "Save Target
As ...", and then open the file in Adobe Acrobat Reader. If you still experience
any difficulty in downloading or opening this file, you may need to close some
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Course Summary
The course provides sufficient explanations and procedures to
enable the student to analyze typical vehicle barriers, and to design cable barriers, bollards, and rigid walls.
Quiz
Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
