Transcription of CHAPTER 4: THE CONSTRUCTION PROCESS OF SEGMENTAL …
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157 CHAPTER 4: THE CONSTRUCTION PROCESSOF SEGMENTAL BRIDGESThe following CHAPTER 4 presents the important techniques for erection of concrete segmentalbridges. Their characteristics are outlined so that understanding of the specific nature of each ofthese methods can be achieved. Apart from that this CHAPTER deals with the most important issueof CONSTRUCTION loads by distinguishing the various types of CONSTRUCTION loads and showing theirrelation to the erection method used for a specific DEVELOPMENT OF PRESTRESSED SEGMENTAL BRIDGESA pplication of prestressed concrete for bridge CONSTRUCTION was developed by French engineerEug ne Freyssinet, as described in Section , and has spread widely thereafter.
• By imposed forces from reinforcing steel that is prestressed to a certain degree; ... first method consist of high-strength steel and are fabricated as wires, strands, or bars ( Nilson and. Chapter 4: The Construction Process of Segmental Bridges 158 Winter 1986). For a continuous beam on several supports, most tension will occur in the lower
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