headrace tunnel meaning in English

引水隧洞

Excavation method for inclined shaft excavation in headrace tunnel at zipingpu water conservancy project
紫坪铺工程引水系统复杂地质条件下洞群进洞技术
Due to complex and varied geological conditions for 4 headrace tunnels at zipingpu project , real time monitoring technique was used during informatization construction according to new austrian tunneling method , system observation for typical sections was conducted by following in - situ construction , based on which inverse analysis for rock mechanics parameters was conducted
针对紫坪铺工程4条引水发电隧洞复杂多变的地质条件，采用新奥法隧洞信息化施工中倡导的实时动态监测技术，跟踪现场施工进行了典型断面的系统观测，在此基础上进行了围岩宏观力学参数的反分析研究。
According to in - situ construction real time observation and inverse analysis results , refinement numerical artificial analysis on a group of headrace tunnels was conducted and influence of different construction schemes and support parameters on rock mass deformation and failure behavior were researched to provide quantized data and technical aid for project construction decisions
基于跟踪施工的现场实时观测和反演分析结果，对引水发电洞群进行了精细化数值仿真分析，研究了不同施工方案和支护参数对岩体变形、破坏特性的影响，以便为工程的施工决策提供量化资料和技术支持。