Grouting is a construction process by which the highly erratic permeability and deformability of foundation rock and soil are homogenized. The main parameter governing design and construction of grouting works is rock or soil permeability. This book assembles information on rock and soil grouting, together with the author’s experience. Some aspects of permeability testing of rock and soils are discussed, and the use of theoretical ground water percolation studies is presented. Results achieved are presented and analyzed.
Particulars of permeability tests are studied, because they can distort results and lead to erroneous design assumptions. Systematic grouting and adjustment of the injection process to the development of grout consumption and pressure during injection is discussed in connection with the required permeability standard. The application of grouting to reduce the permeability and deformability of foundations of dams and hydrotechnical structures is presented, with examples. Characteristics of contact and consolidation grouting of dam foundations and tunnel linings are described. Possibilities and examples of rock prestressing are reported, and results of several applications are discussed. Examples of lifting and levelling structures through grouting are reviewed. The book is illustrated by 180 drawings and 20 photographs, and symbols used in formulae, plus a glossary of grouting-specific terms are included.
The book is intended for organizations, civil engineers, and geologists involved in the exploration, design, construction and supervision of large dams, hydroelectric power projects, tunnels, and other underground works. Teachers and students of civil engineering in geotechnics, building and construction, rock mechanics, soil mechanics, engineering geology, and some aspects of mining engineering will also find it useful.