 |
Pumping concrete
into curved pipes
|
 |
Base connections
|
 |
Base connections with dummy bar to
create void for the Dywidag rods
|
 |
Brackets were welded to curved pipes |
 |
The curved pipes are ready for shipping |
 |
The lower chord (straight pipes) was
prepared for casting (a) |
 |
The lower chord (straight pipes) was
prepared for casting (b) |
 |
Gravity and flowable mix were necessary to
cast the straight pipe
|
 |
0.25- in. holes were used for air vent |
 |
Voids in the upper part of the pipes were
filled with high strength grout before Post-Tensioning |
 |
Load cell and
central hollow Jack were used to monitor and apple the load
during the Post-Tensioning operation.
|
 |
Dywidag rod under tension
|
 |
Lower chord after
Post-Tensioning
|
|
|
