X hits on this document

PDF document

CHAPTER 4: THE CONSTRUCTION PROCESS OF SEGMENTAL BRIDGES - page 21 / 47

140 views

0 shares

0 downloads

0 comments

21 / 47

Chapter 4: The Construction Process of Segmental Bridges

177

cantilever to the next midspan. Afterwards, the next pier table segment is placed and the cantilever advances half a span so that it comes to rest on guide leg and rear leg. The guide leg will remain on the pier as the girder advances further. When the central leg arrives at this pier and the rear leg is at midspan the next placement position has been reached. Figure 4-5 shows the construction sequence with a launching girder that is slightly longer than one span.

Launching Girder, Placement Phase

Launching Girder

Placement of Segments

Launching Girder, Advancement Step 1

Direction of Advancing

Launching Girder, Advancement Step 2

Direction of Advancing

Figure 4-5: Working Scheme of Short Launching Girder

Document info
Document views140
Page views140
Page last viewedThu Dec 08 12:17:53 UTC 2016
Pages47
Paragraphs449
Words14165

Comments