What’re the installation of the bridge girder launcher for tunnel?
Because of the structure and special requirements of road when walking, the bridge girder launcher for tunnel must be installed strictly.
a. the installing site must be wide, and length is about 70m and width is about 30 m.
b. the site is packed down hard, and the road for carrying girder should have the same standard.
c. 60mm＜The unevenness of site ＜150mm.
d. The site have drainage measure.
e. The bridge girder launcher ‘s working area shouldn’t have high voltage cable and other power line.
f. The installing technicians must be familiar with structure and technology. And the installation of electrical equipments must be done by professional technicians.
g. Check the parts before installing, and prepare for the tools and equipment.
Hydraulic pressure components: clean clearly and done by the super engineer
