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May 8, 2017

EBOOK - Bridges - Their Engineering and Planning (George C. Lee)


EBOOK - Dự án và Kỹ thuật xây dựng cầu - Tác giả: George C. Lee (182 Trang).

As we worked on our book, we consulted with Mr. Myint Lwin, director of the Office of Bridge Technology at the US Federal Highway Administration (FHWA). He told us of the two most serious challenges facing the highway system and bridges in particular. The first is the need for properly educated new professionals who can effectively design and manage the renewal of our aging system.
The second is communication with the general public and with elected representatives, to make them aware that infrastructure investments require long-term commitment and the steady flow of resources. We hope our book plays a part in answering both these challenges. We intend it to inspire students in search of satisfying careers to take up the study of bridge engineering and infrastructure planning.
And we wish it to inform citizens and public officials about what their community will face when it decides whether to build or replace a bridge, and if it actually commits to doing so, the many complex tasks through which the project will be brought to completion. Oh yes, we are very glad to have as a reader anyone who is just curious. We are proud that over the course of our writing, and with assistance from the FHWA, our university has also established a master’s degree program in bridge engineering, which is already graduating a new generation ready to face the future of aging infrastructure.


LIST OF TABLES AND FIGURES  ix
PREFACE AND ACKNOWLEDGMENTSxiii
PART I: DECIDING ABOUT BRIDGES
CHAPTER ONE
Crossing the Bridge before We Get There3
CHAPTER TWO
Counting Our Bridges9
PART II: BRIDGE ENGINEERING
CHAPTER THREE
Understanding Stresses and Strains21
CHAPTER FOUR
Bridge Types and Sites37
CHAPTER FIVE
Making Strong Bridges: Dealing with Uncertainty51
CHAPTER SIX
Resisting Extreme Events63
PART III: BRIDGE PLANNING
CHAPTER SEVEN
Is It Worth It? Costs, Benefits, and Tough Decisions 83
CHAPTER EIGHT
Traffic across the Bridge103
viii CONTENTS
CHAPTER NINE
The Bridge in the Environment123
CHAPTER TEN
Delivering the Bridge 137
PART IV: CONCLUSION
CHAPTER ELEVEN
A Bridge Spanning a Millennium157
INDEX163

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