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This article was downloaded by: [HKUST Library], [Professor Hong K. Lo]
On: 05 October 2013, At: 01:20
Publisher: Taylor & Francis
Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered
office: Mortimer House, 37-41 Mortimer Str
A Cell-Based Trafc Control Formulation:
Strategies and Benets of Dynamic
Timing Plans
Hong K. Lo
Department of Civil Engineering, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, Peoples Republic of China
T
his study developed a
1
Dynamic Intersection Signal Control
Optimization (DISCO)
Hong K LO
Civil Engineering
Hong Kong University of Science and Technology
Traffic Control Basics
Traffic Flow
: Queue
Traffic Flow
Traffic Flow
2
Traffic Control Basics
Traffic Flow
: Queue
Traff
1.50
Column B
Column H
Column N
Column T
Column Z
Column AC
1.00
Acceleration (m/s^2)
0.50
-10.00
0.00
0.00
10.00
20.00
30.00
-0.50
-1.00
-1.50
Time (s)
40.00
50.00
60.00
CARFOLLOWING(Asymp.STABILITY)LINEARCASE
_
Sensitivitycoefficient=
0.20 (1/s)
1.57
0.
CIEM 563 Traffic Control Fundamentals and Practice
Homework 2
Due Date: April 25, 2017
1.
The timing plan of an approach (with 1-lane) to an intersection is as follows:
Effective red: 30 seconds
Effective green: 30 seconds
The approach volume is 500 vph a
CIVL 2810 Construction Materials
Prof. Zongjin Li
Department of Civil and Environmental Engineering
1
5. Concrete
-5.1 Introduction
Definition of Concrete
Concrete is a composite material composed of coarse
granular material (the aggregate or filler) embe
CIVL 2810 Construction Materials
Assignment #3 Due on 28 Nov. 2016
1. Draw the Mohr circle for the following stress states:
a) Uniaxial tension of a circular bar with P=150 KN, the diameter =20 mm
b) Biaxial tension with =50 MPa and =10 MPa;
c) =40 MPa an
CIVL 2810 Construction Materials
Assignment #2 Due on 7 Nov. 2016
1. The sieve results of two batches of aggregates are as follows.
Batch one: retained on 1.5 sieve: 0.9 kg; retained on 1 sieve: 1.5 kg; retained on
0.75 sieve: 2.5 kg; retained on 0.5 siev
CIVL 2810 Construction Materials
Assignment #1 Due on 12 Oct. 2016 (Wednesday)
1. In elastic analysis, stress-strain relationship is defined as:
E
A concrete cylinder, with a diameter of 100 mm and length of 200
mm, is under uniaxial compression. The for
CIVL 2810 Construction Materials
Assignment #2 Due on 7 Nov. 2016
1. The sieve results of two batches of aggregates are as follows.
Batch one: retained on 1.5 sieve: 0.9 kg; retained on 1 sieve: 1.5 kg; retained on
0.75 sieve: 2.5 kg; retained on 0.5 siev
CIVL 2810 Construction Materials
Assignment #3 Due on 28 Nov. 2016
1. Draw the Mohr circle for the following stress states:
a) Uniaxial tension of a circular bar with P=150 KN, the diameter =20 mm
b) Biaxial tension with =50 MPa and =10 MPa;
c) =40 MPa an
Civil 2510 Lecture Notes
Set 1
M S Ghidaoui
2016
1 WHAT IS A FLUID?
A substance that deforms continuously when subjected to shear of any magnitude (e.g. water, air,
oil,).
Solid:
= G
;
= Deformation ;
Fluid:
(t) increase with time (i.e. fluid deforms
THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Department of Civil and Environmental Engineering
17 May 2016
CIVL 3310 STRUCTURAL ANALYSIS
Prof. Lambros Katafygiotis
Answer ALL four questions
Time Allowed - 3 hours
This paper may not be retained by th
Chapter 14
Project Scheduling Using Critical
Path Method (CPM)
Dr. Jack C.P. CHENG
Objectives:
Students will understand the basics of project scheduling.
Students will be able to model project schedules in networks
(AON, AOA).
Students will be able to
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 7
Minimum Spanning Tree
Concept and Algorithms
Satish Ukkusuri
Outline
Motivation
What is an Algorithm?
Algorithms to find the Minimum Spanning Tree
Kruskals Algorith
Prims Algorith
Chapter 13
Project Planning, Work Breakdown
Structure, and Work Sequencing
Dr. Jack C.P. CHENG
Objectives:
Students will understand the basics and procedures of the
project planning process.
Students will understand the approaches to work breakdown
stru
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 1
Introduction to Systems Engineering
Satish Ukkusuri
Lecture Overview
Say Cheese!
Administrivia
Why are we here? Motivation
What is Systems Engineering? Example from CEE
Everyday Exampl
Chapter 15
PERT Networks and Linear
Operations
Dr. Jack C.P. CHENG
Objectives:
Students will be able to perform project scheduling using PERT.
Students will understand the basics of linear operations and lineof-balance (LOB) concepts, and be able to app
CE 398: Civil Engineering Systems Design
Lecture 5
Optimization Tools for Systems Development:
Discrete Decision Variables
Satish Ukkusuri
Outline
Last lecture
Optimization that involves
Continuous variables
Constraints
Solution method used: Linear p
Chapter 16
Time Value of Money
Dr. Jack C.P. CHENG
Objectives:
Students will understand time value of money and be able to
calculate the present value of a cash flow.
Students will be able to calculate the cash flow using different
engineering economy f
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 6
Networked Systems in Civil Engineering
Satish Ukkusuri
EXAMPLES, BASIC CONCEPTS,
TERMINOLOGY, AND DEFINITIONS IN
NETWORKS
Part 1
Link to Textbook Chapter:
http:/www.sce.carleton.ca/fac
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 8
Shortest Path
Concept and Algorithm
Satish Ukkusuri
Routing algorithms
At UPS, the Algorithm is the driver
Rosenbush and Stevens, 2/16/15, The Wall Street Journal
In Average, a UPS
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 12
Game Theory: Problem solving
Satish Ukkusuri
Problem 1
EastP and WestP have concessions to collect money using parking
meters. EastP serves East City and WestP serves West City. Ther
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 3
Introduction to Linear Programs
Satish Ukkusuri
Thanks to Prof. Hai Yang
Mathematical Models
Not physical models
Describe a system of interest
using mathematical concepts
and languag
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 2
Optimization Tools for Systems Development:
Introduction
Satish Ukkusuri
Examples of optimization at various
phases of CE systems development
Decisions include:
What resources (manpo
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 4
Optimization Modeling
Linear Programming
Satish Ukkusuri
Outline
Example of an optimization problem
How to formulate the problem as a mathematical
program?
How to solve the problem
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 12
Game Theory: Mixed Stategies
Satish Ukkusuri
Mixed Strategies
There are also games that have no Nash equilibrium at
all.
For such games, predictions need to be made about
players be
CIVL 2170: Infrastructure Systems
Engineering and Management
Lecture 9
Facility Location
Satish Ukkusuri
Queens and Brooklyn P&R
2
Optimal Location Considerations
The optimal location of PR facilities depends on a
multitude of factors. According to the im