Qilu Evening News Qilu One Point reporter Zhou Huijiao correspondent Li Chang'an Sun Gaoxiang
On the afternoon of April 15, at the construction site of the Chongwen Avenue cross-Ning'an Avenue project, the construction personnel were adding color to the spring in Jining with soaring energy. After several hours of review, retesting and preliminary preparation, the on-site operators successfully erected the first prefabricated cover beam of the Chongwen Avenue project. On the same day, the pouring of the pile was also successfully completed.
The prefabricated component field is about 6.5km away from the offline construction site, the transportation lines are important traffic arteries in Jining City, the traffic flow is large, so the difficulty of traffic organization during transportation has become one of the construction difficulties of the project, Chen Zhilong, project manager of the Fourth Bureau of China Railway, introduced that the two track cranes on the site work together to ensure the difficulty of coordination and synchronization. At the same time, the verticality of the installation process, the deviation of the axis, and the high accuracy of the elevation requirements all increase the difficulty of project construction.
"The erection of the cover beam requires higher precision and completion, so ensuring safety is the top priority of the erection work." Chen Zhilong said that before erecting, the construction site was inspected on the spot, the first piece system was implemented, and the lifting equipment, lifting radius, and bearing capacity of the foundation pit were evaluated in detail, and various safety protection measures were strictly implemented to ensure the safety of erection and the smooth connection of the process.
Chongwen Avenue project is an important part of Jining City to develop three-dimensional convenient transportation, this project adopts the prefabricated construction process, of which 32 prefabricated pier pillars, 16 prefabricated cover beams, 126 prefabricated box girders, Jining City main urban construction key project construction headquarters staff Bian Wei introduced, the current pier pillar, cover beam prefabricated work has been completed, on-site construction has entered the prefabricated assembly stage, strive to ensure the completion of prefabricated pier pillar installation at the end of April, May will fully enter the construction sprint stage, to ensure that the main line is opened to traffic at the end of June.
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