因大挑臂盖梁跨线桥体积大、质量要求高，给施工带来很大困难。
Because of the big volume and high quality demands great difficulties accrue in construction.
高速公路跨线刚拱桥的主拱圈施工中，一般采用支架现浇施工。
Bracket moulding method is adopted popularly while rigidity over line arch bridge main circle construction is proceeding.
以北京地铁4号线白石桥至学院南路区间渡线隧道作为工程背景，阐述在复杂环境下浅埋大跨隧道施工的地层沉降控制方法。
Taking the crossover tunnel in the Baishiqiao-Xueyuannanlu metro section tunnel of Beijing metro No 4 as the engineering background, the control method for ground subsidence is introduced.
跨线、跨河的一些桥梁设计为左右幅错孔布置，其承台的错位布置给施工带来了一定的难度。
When bridge crossing road and river, its pile cap also arranged disalignment which bring difficulty to construction.
跨线、跨河的一些桥梁设计为左右幅错孔布置，其承台的错位布置给施工带来了一定的难度。
When bridge crossing road and river, its pile cap also arranged disalignment which bring difficulty to construction.
应用推荐