The site selection of new railway bridges is partially restricted and affected by the operation safety of existing railways or highways. During the construction, new technologies and processes need to be studied or ad...The site selection of new railway bridges is partially restricted and affected by the operation safety of existing railways or highways. During the construction, new technologies and processes need to be studied or adopted to reduce the interference to the use of existing railways or highways and ensure the construction safety of bridge engineering. The continuous beam swivel construction technology is born, that is, cantilever cast-in-situ forming outside the existing line, Then carry out horizontal swivel to the design position. Due to the factors such as large swivel eccentric moment, high swivel positioning and precision control requirements, complex construction conditions, difficult construction, high safety risk and high scientific and technological content, feasible construction technology is needed to achieve and meet the design requirements and objectives smoothly, satisfactorily, safely and accurately at one time. This paper discusses the construction technology and implementation cases of continuous beam horizontal rotation method on high-speed railway operation line, which has a certain reference value for continuous beam rotation construction.展开更多
文摘The site selection of new railway bridges is partially restricted and affected by the operation safety of existing railways or highways. During the construction, new technologies and processes need to be studied or adopted to reduce the interference to the use of existing railways or highways and ensure the construction safety of bridge engineering. The continuous beam swivel construction technology is born, that is, cantilever cast-in-situ forming outside the existing line, Then carry out horizontal swivel to the design position. Due to the factors such as large swivel eccentric moment, high swivel positioning and precision control requirements, complex construction conditions, difficult construction, high safety risk and high scientific and technological content, feasible construction technology is needed to achieve and meet the design requirements and objectives smoothly, satisfactorily, safely and accurately at one time. This paper discusses the construction technology and implementation cases of continuous beam horizontal rotation method on high-speed railway operation line, which has a certain reference value for continuous beam rotation construction.
