Vertical drainage of compressible soils under the Moroccan high-speed railway line

This research work presents the high-speed railway line (HSRL) case study constructed on soft soils deposits. The performance of improvement method combining both PVD’s (Prefabricated vertical drains) and surcharge preloading was evaluated herein based numerical simulation approach to predict induced deformations during HSRL construction phase. For this aim, PVD-assisted in situ measurement database from a selected well instrumented embankment. From results, it observed that use PVD found as most efficient for improved section. In addition, multiple modelling approaches were used studied section evaluate usefulness published literature PVD- system performance. that, is concluded well-developed an encouraging factor using PVD-preloading practice research.