The concrete pour has been completed during the construction of the pier base of a cable-stayed road-rail bridge in east China, marking the largest continuous concrete pour in China’s bridge construction history.
“A total of 1.5-million cubic feet of concrete was poured to build a pier base of the size of 12 basketball courts, with 7,420 tons of steel bars used for the bridge connecting Shanghai and Nantong, Jiangsu Province,” said Liu Ziming, chairperson of the China Railway Major Bridge Engineering Group Corporation.
The pour project for the 30-foot-high pier base was divided into two stages, with 11 feet poured in the first stage and another 19 feet poured in the second stage.
About 982,000 cubic feet of concrete was poured at the second stage, setting a record for continuous concrete pour in volume in China’s bridge construction history.
More than 400 workers took part around the clock for 100 hours to pour the base at the record-setting stage.
The Shanghai-Nantong combined bridge is 7 miles long and consists of four railway lines and six expressway lanes. The main span of the bridge is approximately 3,600 feet, the world’s largest span for a cable-stayed railway-expressway bridge.
Construction of the bridge began in 2014, and it is expected to take more than five years to complete.
Photo source: http://www.xinhuanet.com.