29 September, the first export ultra-large diameter (13.19m) water pressure balance shield machine for high-speed rail by China's independent research and development has been completed in the assembly workshop of Zhongjiaotianhe Machinery Equipment Manufacturing Co., Ltd. It will soon be put into operation to promote the Yawan High-speed railway construction of "One Belt and One Road".
Yawan High Speed Rail is the first international high-speed railway project to promote the development of China's HSR industry by the government-led platform and the cooperation between the two countries in the construction and management of enterprises. The shield machine used for the project has a diameter of 13.19 meters, a length of about 101 meters and weighs more than 2,600 tons, becoming the first large-diameter mud-water balance shield machine for the export of overseas high-speed railways in China. Its successful production also makes China to have a cut in the global super-large diameter shield market monopolized by the developed countries. Aimed at the complicated geological conditions, the enterprise has carried on the pertinence design to the shield machine, layered reverse washing technology of slurry system, intelligent anti-settling control technology and automatic control of slurry circulating systems.
(source:ourjiangsu.com)
