The prefabrication of the piers and abutments of the Second East Passage in Xiamen started the first construction厦门第二东通道墩台预制开始首件施工

　　Recently, the prefabrication yard of Xiamen Second East Passage Project started the construction of the first pier and abutment. The construction personnel on site methodically installed templates and erected steel bars.

    近日，厦门第二东通道工程预制场开始首件墩台施工，现场施工人员有条不紊地安装模版、搭设钢筋。

　  Xiamen Second East Corridor Project is a provincial key project. Its sea-crossing bridge section follows the construction concept of "factory, large-scale, standardized, and assembled". The substructure adopts large-scale prefabricated piers. It is the second cross-sea bridge project in China and the first in our province that adopts the vertical dry joint matching prefabrication method. Among them, the prefabrication of piers and abutments is the key process of the entire project. A total of 35 prefabricated piers and abutments are required, divided into 83 components, and the prefabrication period is 18 months.
     厦门第二东通道工程为省重点项目，其跨海桥梁段遵循“工厂化、大型化、标准化、装配化”的建设理念，下部结构采用装配式大型预制墩台，是除港珠澳大桥外国内第二个、我省首个采用竖向干接缝匹配预制工法的跨海桥梁项目。其中，墩台预制为整个项目的关键工序，共需预制墩台35座，分为83个构件，预制工期为18个月。

　  In view of the difficult installation and protection of epoxy steel bars in prefabrication construction, the high requirements for temperature control and crack resistance of mass concrete, the difficulty in pouring and vibrating ultra-high concrete, and the high requirements for vertical matching of dry joints in prefabrication accuracy, since mid-April , the Provincial Transportation Quality and Safety Center will go to the front line to supervise and disclose the project, carry out legal popularization and technical services for quality and safety management, quality engineering creation, construction of a strong transportation country, etc., and timely convey the latest industry regulations for road and water transportation construction. (Provincial Transportation Quality and Safety Center, Xiamen Road and Bridge Construction Group Co., Ltd.)
     针对预制施工需解决环氧钢筋安装及保护难度大、大体积混凝土温控抗裂要求高、超高混凝土浇筑振捣难度大、干接缝竖向匹配预制精度要求高等技术难题，4月中旬以来，省交通质安中心下沉一线对项目进行监督交底，对质量安全管理、品质工程创建、交通强国建设等方面开展普法宣传和技术服务，及时传达公路水运建设最新行业规定。（省交通质安中心、厦门路桥建设集团有限公司）