The weight of the rotor is more than 9,200 tons!The first 80 -meter continuous beam from the middle and fourth line of Lanzhang to Wuwei successfully turned the body

"I announced that the continuous beam of the Gulanghe Bridge of the China Railway Tunnel Bureau was successful." At 3:10 am on September 17, with the words of the general commander at the scene, the Lanzhang 3rd and Fourth Line Nakagawa Nakagawa, which was undertaken by the China Railway Tunnel Bureau, The continuous turn of the continuous beam of the Dangli Bridge of the Gulu River Bridge of the Airport to the Wuwei section was successful, marking the key breakthrough of the construction of the control of the Lanzhang Third and Fourth Line, laying a solid foundation for the entire line.

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The weight of the rotor is more than 9,200 tons, and the angle of the rotor is 48 degrees. At 1:10 in the morning, after the scheduling command was officially issued, the general commander of the construction site announced that the transfer construction officially started. During the entire turn of the body, the staff of each position is highly concentrated. According to the division of labor, each post is performed, and they should always pay attention to the operation of the system equipment and the transition of the bridge deck. After 52 minutes of tension and orderly turntable construction, the dual T turns continuously completed the transition positioning successfully to achieve precise docking.

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According to reports, the Gulanghe Bridge has a total length of 2180m, crossing the existing Lanxin Railway on DK198+842 ～ DK198+922, and the cross -angle of the railway and the main line is 48 °. Normally run, complete the leap with a continuous beam of 1- (48+80+48) M rotation. At the time of construction, some bridges across the railway and the existing Lanxin Railway are constructed horizontally. 10#, 11#pier as the main pier of the bridge rotation, the pier pillars adopt a double -end -end -end -end -shaped pier, and the upper part of the cantilever hanging basket is poured and then turns. Among them, 10#pier turns weigh 4595.2 tons, 11#pier turns weigh 4702.6 tons, 10#and 11#two main pier uses counterclockwise transition 48 °, turning radius of 39 meters, medium -crossing dragon section is located on the railway railway In front of it, 10.5 meters away from the top surface of the track, the turntable structure adopts a ball hinge rotation system combined with ring road and central branch. (Reporter Li Zhengyang Li Xiaotian Jiang Jinpeng)

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Source: Wuwei Release (ID: GSWWFB)

Edit: Zhang Jinmin Responsible: Zhu Wang School Review: Du Yingsing

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