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lanhi intelligent drilling and arch integrated trolley assists in the construction of the yuku high speed railway laifu tunnel lanhi welcome to lanhi we are professional established company email bertha lanhi com cn tel 86 18148135690 whatsapp 8618148135690 en cn es home about us products roadheaders drilling jumbos shotcrete machine loaders arch installation trolley cases news industry news company news contact us dealership en cn es cases home cases latest news outstanding quality wins inter lanhi steel arch frame trolley lanhi s ltyq24c mobile wharf s lanhi lchp40c ehicle mounted w lanhi s lgp340a arch trolley a lanhi lgm312c arch anchor trol send message click to change send lanhi intelligent drilling and arch integrated trolley assists in the construction of the yuku high speed railway laifu tunnel 2024 12 11 visits the yuku high speed railway is part of china s national eight vertical and eight horizontal railway network and the laifu tunnel is a double track tunnel in the sichuan chongqing section of the yuku high speed railway with a total length of 4616 meters this tunnel is located at the junction of xuzhou district in yibin city and gao county with mostly low mountains and large undulations and a maximum burial depth of approximately 314 meters the geological strata traversed by the tunnel are mainly mudstone interlayered with sandstone and sandstone interlayered with mudstone and the tunnel also passes through one fault of the fojie mountain one goaf area and two fractured zones with numerous rock fissures facing challenges such as coal seam gas goaf areas and gradients this is a challenging project on september 12 2021 construction officially started on the laifu tunnel of the yuku high speed railway sichuan chongqing section station front lot six china railway third engineering bureau undertook the construction task and introduced various large scale mechanical equipment including multifunctional drilling rigs rock breaking trolleys and arch assembly trolleys to cope with the complex geological conditions the lanhi intelligent drilling and arch integrated trolley is suitable for full section and step by step tunnel construction it adopts a sturdy integrated chassis engineering platform equipped with dual rock drilling arms and a stand with features such as four wheel steering four wheel drive and bidirectional driving it is easy to operate with low failure rates and high reliability effectively improving the efficiency and safety of tunnel construction the large scale mechanized construction of the laifu tunnel has achieved normalized operations providing valuable experience for improving the level of railway tunnel construction overcoming quality issues reducing construction costs and enhancing safety previous lanhi s lgz313a intellig lanhi lgm312c arch anchor trol next tel 86 18148135690 e mail bertha lanhi com cn quick navigation home about us products cases news contact us dealership categories roadheaders drilling jumbos shotcrete machine loaders arch installation trolley whatsapp copyright 2012 2024 all rights reserved home products whatsapp inquiry whatsapp e mail leave your message change leave a message can t see clearly click to change