November fourth，China Railway Equipment Co., Ltd. exports the first earth pressure balance shield machine to Turkey“China Railway 1148”，In TurkeyHalkali—IspartakuleSmooth completion of the right line of the high-speed railway project，It marks that the project construction has made phased progress.。

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TurkeyHalkali—IspartakuleThe high-speed railway project is divided into left and right shield driving sections.，Two sets of China Railway equipment are adopted, with a diameter of 8.Construction of 54 meters earth pressure balance shield machine，Tunneling mileage of single equipment is about 6km，The maximum buried depth of the section is 55m.。Tunnel geology with clay、Silty sand、Sandstone、Conglomerate、Claystone、Mainly marl，Crossing along the wayKüçükçekmeceThe lake and the proposed Istanbul Canal.。

▲ “China Railway 1148”Go offline on September 26, 2022

For complex geological features and customer needs，China Railway Equipment has customized two excavators with a diameter of 8.Earth pressure shield machine of 54m“China Railway 1148”And“China Railway 1149”。The right line runs through this time.“China Railway 1148”，Overall length of 135 meters，The total weight is about 1800 tons。In the preliminary design，The equipment design team of China Railway has fully considered the needs of field operation.，By improving equipment maintenance and operation space，It provides a more spacious and humanized working environment for operators.。At the same time，The device also closely follows the European Union.CECertification standards，High reliability and safety，It provides a strong guarantee for the smooth progress of the project.。At present，Its twin brother“China Railway 1149”The left line tunnel is being excavated smoothly.，It is expected that the double-track project will be completed in early 2025.。

The project is one of the important railway infrastructures in Turkey.，It will closely link Turkey with the European railway transport network.，Become an important part of the Asia-Europe Railway Corridor。Upon completion of the project，HalkaliAndIspartakuleThe running time of the trucks will be shortened from 8 hours to 3 hours..5 hours，The running time of passenger cars is from 3.5 hours reduced to 1 hour 35 minutes，Railway transport capacity increased by 4 times。In addition，The project will also connect the Baltic Sea.、Black Sea and other ports，Strengthen economic ties and trade exchanges between regions，It will inject new vitality into the economic development of Turkey and even the whole region along the railway.。