EVALUATION OF FOUR SELECTED GEOBARRIERS FLOOD LANDS, RADON HAZARD, UNDERMINING AND SLOPE MOVEMENTS BY MEANS OF GEOGRAPHIC INFORMATION SYSTEMS

Bomont, S. et al. Castlehaven Coast Pro

Niton, Isle of Wight, UK. Improvement of Soil

Bomont,S. et al. Allowing for Climate Cha Stabilisation in an Environmentally Sensitive Conference on "Landslides and Climate Chang

Bomont, S., Fort, D.S., Holliday, J.K. Tw Siphon and Electropneumatic Drains. The Inte Management. 18th Annual Vancouver Geotech ectropneumatical drains 15

- 20 m). However, ving not achieved the anticipated minimum drawdown is generally in accordance with the efficiency of the whole drainage. According to the results of monitoring by inclinometers, there have not been new significant deformations noted. The maximal values do not exceed

- 5 mm per year. Proper maintenance against the mineral and bacterial incrustations of the siphon drainage has to be done periodically, approximately 3 times per year, simply by water dissolvable preparations injection into the siphon tubes. of dewatering, the siphon drains and the Both of the methods enable improving stability by dewatering through vertical drilled wells. the traditional ways of dewatering. Unlike the both of the innovative methods can be proved d anytime they can be adapted according to the ecently successfully applied in order to solve slides and cliffs at two sites in the UK. Both of under continual operation. So far, they have with required drawdown, although, of coarse, years) to evaluate the real effectiveness of the cliffs. st Protection and Slope Stabilisation Works, f Soil Properties, Bratislava 2007; e Change; An Innovative Solution to Landslide sitive Area on the Isle of Wight. International Change", Isle of Wight, UK,

2007. K. Two Applications for Deep Drainage Using otechnical Society Symposium,