Prestressed Concrete Bridges: Design and Construction

Front Cover
Thomas Telford, 2003 - Technology & Engineering - 371 pages
Prestressed concrete decks are commonly used for bridges with spans between 25m and 450m and provide economic, durable and aesthetic solutions in most situations where bridges are needed. Concrete remains the most common material for bridge construction around the world, and prestressed concrete is frequently the material of choice. Extensively illustrated throughout, this invaluable book brings together all aspects of designing prestressed concrete bridge decks into one comprehensive volume. The book clearly explains the principles behind both the design and construction of prestressed concrete bridges, illustrating the interaction between the two. It covers all the different types of deck arrangement and the construction techniques used, ranging from in-situ slabs and precast beams; segmental construction and launched bridges; and cable-stayed structures. Included throughout the book are many examples of the different types of prestressed concrete decks used, with the design aspects of each discussed along with the general analysis and design process. Detailed descriptions of the prestressing components and systems used are also included. Prestressed Concrete Bridges is an essential reference book for both the experienced engineer and graduate who want to learn more about the subject.
 

Contents

Prestressed concrete in bridgeworks
1
1
19
Introduction
20
Durabilty and detailing
34
4
45
Prestress force and losses
67
Tendon eccentricity in ducts
73
Shear design
79
Casting of segments
210
Storage and transportation of segments
218
31
227
Segment erection by the balanced cantilever method
229
Segment erection by the spanbyspan method
236
References
248
15
262
33333
265

Concrete properties
87
6
97
Anchor blisters or blocks
104
7
120
Analysis of prestressed concrete bridges
134
Contents Input data
143
Slab bridges
151
Beamandslab bridges
156
General arrangement
160
In situ multicell box girder decks
179
In situ singlecell box girder bridges
190
16
281
Contents Analysis of cablestayed bridges
296
Other prestressed concrete bridge types
306
Problems and failures
314
Problems during construction
321
Symbols and notations used
328
Proprietary systems 339 Contents
339
141
361
34
363
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