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SYLLABUS
UNIT-I
INTRODUCTION TO GROUND MODIFICATION Need and objectives, Identification of soil types, In situ and laboratory tests to characterise problematic soils, Mechanical, Hydraulic, Physico-chemical, Electrical, Thermal methods and their applications.
UNIT-II
MECHANICAL MODIFICATION Principles of soil densificaiton – Properties of compacted soil, Compaction control tests, Specification of compaction requirements – Blasting vibrocompaction, Dynamic tamping and compaction piles.
UNIT-III
HYDRAULIC MODIFICATION Objectives and techniques, Traditional dewatering methods and their choice, Design of dewatering system, Electro-osmosis, Electro-kinetic dewatering. Filtration, Drainage and seepage control with geosynthetics, Preloading and vertical drains.
UNIT-IV
PHYSICAL AND CHEMICAL MODIFICATION Modification by admixtures, Shotcreting and Guniting technology, Modification at depth by grouting, Crack grouting and compaction grouting, Jet grouting, Thermal modification, Ground freezing.
UNIT-V
MODIFICATION BY INCLUSIONS AND CONFINEMENT Soil reinforcement, reinforcement with strip bar, mesh, sheet and grid reinforced soil. In-situ ground reinforcement, Ground anchors, Rock bolting and soil nailing
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CategoriesEngineering
Format EPUB
TypeeBook