Experience With Treatment Of Road Structure
Landslides By Innovative Methods Of
Deep Drainage
Author(s)
O. Mrvík & S. Bomont
Abstract
During construction of infrastructure projects, emergency situations due to the
presence of groundwater and slope instability occur very often. In addition,
damage to existing roads or railways caused by groundwater or slope
deformations do not represent any extraordinary situation. In such cases, the
water should be taken from the ground in order to improve the properties of the
soils and rocks. According to the consumption of energy, the methods of
dewatering can be divided into gravity dewatering and dewatering with
electricity. Traditionally used drainage techniques are proven methods. However,
in certain geotechnical conditions, two innovative drainage systems, Siphon
Drains and Electropneumatic Drains, can prove to have many advantages. In this
paper, several applications of the innovative deep drainage systems are
described. The paper introduces selected sites where groundwater lowering
played a key role in the successful solution of slope stabilization and road
remediation. The sites are located in France.
Keywords: road structures, landslide, groundwater, deep drainage, Siphon
Drains, Electropneumatic Drains.
1 Introduction
Road structures, as roads, highways or railways, are very often endangered or
even seriously damaged by different kinds of deformations of natural slopes or
artificial excavations. The main trigger for such deformations lies in high
groundwater levels within the affected area or just the subsoil of the road
Keywords
road structures, landslide, groundwater, deep drainage, SiphonDrains, Electropneumatic Drains
Related Book
Other papers in this volume
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