To install the cranespan before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.
The points of hoisting design of semi-span gantry crane are analyzed. The construction schemes, methods and safety of T-shaped beam hoisting are introduced.
分析了半跨龙门吊的设计安装要点,着重介绍了T梁的吊装施工组织方案、施工方法及安全技术保证措施。
3
General gantry crane: the most extensive use of this crane can carry a variety of items and bulk materials into, from the weight of 100 tons, a span of 4 to 35 meters.