Ekzekutim punimesh gjeoteknike speciale - Kolona me dhe të trajtuar

Execution of special geotechnical works - Deep mixing

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This document specifies general principles for the execution, testing, supervision and monitoring of deep mixing works carried out by two different methods: dry mixing and wet mixing. Deep mixing considered in this document is limited to methods, which involve: a) mixing by rotating mechanical mixing tools (see Annex A, Figure A.1) where the lateral support provided to the surrounding soil is not removed; b) treatment of the soil to a minimum depth of 3 m; c) different shapes and configurations, consisting of either single columns, panels, grids, blocks, walls or any combination of more than one single column, overlapping or not (see Annex A, Figures A.8 to A.12); d) treatment of natural soil, fill, waste deposits and slurries, etc.; e) other ground improvement methods using similar techniques exist (see A.3.5). Guidance on practical aspects of deep mixing, such as execution procedures and equipment, is given in Annex A. Main applications are exemplified in Annex A, Figure A.14. Methods of testing, specification and assessment of design parameters, which are affected by execution, are presented in Annex B.