Class_14_Vertical_Curvature.extended_dis

Class_14_Vertical_Curvature.extended_dis - Use of 3.12...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
The Pennsylvania State University Department of Civil and Environmental Engineering CE 321: Highway Engineering Vertical Curvature – Extended Discussion Spring 2009
Background image of page 1

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

View Full DocumentRight Arrow Icon
Procedure Followed Alternative ways to start problem: Assume grade = 0; use Table 3.1 Use actual grade and equation 3.12 ± = G g a g d 2 V 2 1 + V 1 t r
Background image of page 2
Items for Discussion (P 60-61 MKW)
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Use of 3.12 underestimates SSD since G 1 only exits at PVC If use final grade, then overestimate SSD since exists only at PVT In practice, policies vary on treatment Some ignore grades; others only use when grades > 3% Book says assume Table 3.1 applies...
View Full Document

This note was uploaded on 06/08/2009 for the course CE 321 taught by Professor Petrucha during the Spring '02 term at Pennsylvania State University, University Park.

Page1 / 3

Class_14_Vertical_Curvature.extended_dis - Use of 3.12...

This preview shows document pages 1 - 3. Sign up to view the full document.

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