What are basic structures of segmental assembly overhead launching gantry?
Segmental assembly overhead launching gantry usually adopts the construction method: full span segments suspended, then pre-stressed steel cable strands tension. After finishing full span precast girders installation, the overhead launching gantry will move to next span.
overhead launching gantry
Below are basic structures of segmental assembly overhead launching gantry:
|
no |
parts |
quantity |
remark |
|
1 |
front support leg | 1 | |
|
2 |
rear support leg | 1 | |
|
3 |
auxiliary front support leg | 1 | |
|
4 |
auxiliary rear support leg | 1 | |
|
5 |
guide beam | 2 | |
|
6 |
main girder | 2 | |
|
7 |
gantry crane for lifting girders | 1 | |
|
8 |
suspender | 1 | |
|
9 |
10t overhead travelling crane | 1 | |
|
10 |
electrical system | 1 |
