On August 15, Block 0# of the 43# main pier of the continuous beam of the special railway line across the G347 National Highway of Tongling Port Jiangbei Port Area was poured smoothly, marking the new stage of the control engineering of the whole bridge, and also the prelude to the construction of the superstructure。

　 The total length of the G347 National Highway Bridge is 2.39 km (74 holes), of which the 42-44 holes are 1 (32+48+32) concrete continuous beam across the G347 national highway, the continuous beam construction using the cantilever pouring method。Block 0# of the 43# main pier is 8 meters long and 7 meters wide at the top.6米、高3.4 meters, the total weight is about 230 tons, of which the concrete dosage is 89.5 square, reinforcement amount 14.6 tons, the use of disc buckle full hall bracket overall pouring。

　 China Railway 16 Bureau Group Tongling Jiangbei Railway line project management Department deputy manager Wang Yanfang introduced，"In order to ensure the high quality and efficient completion of the construction of the bridge across the G347 National Highway，The project department strictly strengthens the management of all construction links，Arrange experienced site construction management personnel and operation team，Equipped with excellent mechanical equipment，Strictly implement the re-inspection system for the quality of materials，Mature cantilever casting construction technology is adopted，At the same time to create a good internal and external construction environment，Up to now，The bridge has completed the construction of all pile caps，40 piers were poured，The construction of the bridge substructure is expected to be completed in November this year，Continuous beam closing before Spring Festival。”

　 Tongling Port Jiangbei Port Railway special line project is one of the key projects implemented by the national "Action Plan to promote the connection of the Yangtze River Main line port iron water combined transport facilities". It is a Class III single-track railway with 52 main lines.047 km, total investment of about 34.2亿元。There are 5 stations in Lujiang South, Fanshan, Qianpu, Hengbu and Jiangbei Port on the whole line, and 21 new Bridges totalling 20,273.76 meters, four new tunnels。With the rapid advancement of the construction of each project, after completion of the project, it will provide an important guarantee for the development of Tongjiang Dahai, Tongling River North port area and harbor industry, the construction of copper development belt, and the export of mineral resources along the line in Hefei and other central and western Anhui。