Tunnel-boring machine (TBM) tunnelling through an aquifer will generate excess pore water pressures in the soil around tunnel face. Accurately predicting magnitude of is significant because it directly determines effective face support pressure. In this study, analytical solution for transient cylindrical flow caused by TBM considering elastic storage developed. Furthermore, a quasi-static to c...

In tunnel boring machine (TBM) construction, the advance rate is a crucial parameter that affects TBM driving efficiency, project schedule, and construction cost. During operation process, various types of indicators are monitored in real-time can help to control TBM. Although some studies have already been carried out prediction, research almost all based on statistical methods shallow learnin...

The main tunnels of Line 16 Lot1 the Grand Paris Express project are underway since 2019 using tunnel boring machines (TBM). They drilled entirely in permeable strata (fine/silty sands, marls, and limestones) at a depth 20÷30 m below groundwater level. Groundwater inflow with high pressure is major issue arrival/departure sections TBMs as well during excavation work connection galleries between...

saymareh dam and hydro-power plant are under construction on saymareh river in ravandi anticline, ilam province. during boring the power tunnel which crosses the anticline, a large volume of water was encountered. this volume of water was not observed in the past. considering the water quality of springs, water level of dam site piezometers, geological and hydrogeological inspections, isotope a...