钢混叠合梁及其拼装施工方法
By setting up temporary supports between bridge piers and utilizing splicing components and transverse connecting plates, the steel-concrete composite box girder can be precisely positioned and stably connected, solving the problems of error accumulation and safety hazards in existing technologies and improving construction accuracy and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- POLY CHANGDA ENGINEERING CO LTD
- Filing Date
- 2026-04-24
- Publication Date
- 2026-07-17
AI Technical Summary
The longitudinal and transverse alignments of existing steel-concrete composite box girders are prone to cumulative errors during construction, making it difficult to meet the requirements of high-precision engineering. Furthermore, structural eccentric loading and safety hazards exist during installation.
Temporary supports were set up between the bridge piers, and the near and far steel beams were independently adjusted and positioned with the bridge piers as the reference. The closure section steel beams were hoisted between the two ends and connected by splicing components to ensure the stability and symmetrical stress of the steel beams at both ends. The positioning, connection and welding of the steel beams were achieved by using splicing components and cross plates.
This reduced the cumulative installation error, improved construction accuracy and safety, shortened the construction period, and ensured the overall linear stability and construction safety of the steel beams.
Smart Images
Figure CN122105977B_ABST