Final Exam Review

Acronyms

100

SN

Structural Number

200

PSI

Pavement Serviceability Index

300

TSI

Terminal Serviceability Index

400

W₁₈

18 kip ESAL

500

CBR

California Bearing Ratio

Parking

100

This term refers to the number of parking stalls needed

Parking Demand

200

This is the manual used to estimate parking demand

ITE Parking Generation Manual

300

This term is used to describe how vehicles can navigate to stalls and get in and out of stalls

Aisle

400

This term has units of time/vehicle in a parking lot

Duration

500

This term has units of the number of vehicles per stall per hour

Turnover Rate

Urban Transportation Planning

100

This is the first step in the transportation planning procedure (Step 0)

Zoning

200

This is Step 1 in the transportation planning procedure (Step 1)

Trip Generation/Attraction

300

This model is used in Step 3 (Mode Choice)

Multinomial Logit Model

400

This function is used to model the time is takes a vehicle to travel a roadway link given a volume

Link Performance Function

500

This term is used in Step 2 (Trip Distribution)

Gravity Model or FHWA Friction Factor Model

Flexible Pavement Design

100

This layer is the second of the three layers

Base

200

This layer is the bottom of the three layers

Subbase

300

This layer is the top layer of the three layers  

Asphaltic Concrete

400

This is the maximum thickness the base layer or subbase layer can be

10 inches

500

This is the PSI value for a road that is impassible

1

Rigid Pavement Design

100

This is the final output of pavement design

 PCC slab thickness (D,inches)

200

This is the default value for the load transfer coefficient (J)

3.2

300

This is the value for an ideal drainage coefficeint (C_d)

1

400

This is the ideal soil type (highest drainage coefficient of 1.0)

Sand

500

This term refers to the modulus of subgrade reaction

K