Chapter 3 _1_

Chapter 3 _1_ - Geometric Design: Introduction + Vertical...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Geometric Design: Introduction + Vertical Curve Design Highway geometric design specifies details of component elements for safe and efficient operations and environmental aesthetics
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ECI 161 Winter 2012 2 Geometric Design of Highways Source: http://www.tfhrc.gov/pubrds/jan00/along.htm
Background image of page 2
ECI 161 Winter 2012 3 Factors Affecting Geometric Design s Design Speed s Highway Capacity s Design Designation s Control of Access s Pedestrian Facilities s Roadside Installations s Environmental Protection
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ECI 161 Winter 2012 4 s Alignment is a 3D problem broken down into two 2D problems s Horizontal Alignment (plan view) s Vertical Alignment (profile view) s Stationing s Along horizontal alignment s Measured along the centerline s Each station: 100ft (or 1000m for metric) Piilani Highway on Maui Geometric Design: 3D ->2D
Background image of page 4
ECI 161 Winter 2012 5 Horizontal Alignment Vertical Alignment Plan View and Profile View
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ECI 161 Winter 2012 6 Old Fashioned Drafting
Background image of page 6
ECI 161 Winter 2012 7 Route Numbering Convention s Interstate routes s One or two digits s Even number: 10, 40, 80 s Odd number: 5, 15, 35, 95 s Local routes (rules vary) 580, 880, 280, 680? 101?
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ECI 161 Winter 2012 8 Route Numbering Convention
Background image of page 8
Vertical Alignment Specifying the elevation of points along a roadway through crest curves and sag curves
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ECI 161 Winter 2012 10 Outline h Vertical Alignment s Parabolic (equal tangent) curve s Crest Vertical Curve Design s Sag Vertical Curve Design s Underpass Vertical Curve Design
Background image of page 10
ECI 161 Winter 2012 11 Concepts G 1 -G 2 PVI PVT
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/10/2012 for the course ECI 161 taught by Professor Tafazzoli during the Winter '12 term at UC Davis.

Page1 / 34

Chapter 3 _1_ - Geometric Design: Introduction + Vertical...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online