Rock Grouting and Diaphragm Wall Construction book cover

Rock Grouting and Diaphragm Wall Construction

The foundation of structures and the construction of underground railways in urban areas would be impossible without the use of diaphragm walls, grouting, anchors, micropiles, slender retaining walls, etc. Based on the author's own experience and taking into account the findings of various other authors, this book explains these methods in an intelligible manner, enabling the reader to judge for himself their suitability in construction practice.The aim of the book is to instruct experts in the correct application of grouting methods, and the correct choice of drilling systems and tools. It provides mainly practical information, and describes the most suitable, up-to-date technology available. Grouting applications in Czechoslovakia and abroad are illustrated by a series of practical examples.The book is designed for students of civil engineering faculties specializing in structural foundation, specialists of building companies, and experts in structural foundation. It will also be appreciated by experts in underground railway and tunnel construction, in structural engineering and urban development (landslides), as well as by manufacturers of the respective technology.

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Published: February 1989

Imprint: Elsevier

ISBN: 978-0-444-98890-4

Contents

  • List of used designations. 1. The History of Grouting. 2. Drilling Operations. Excavations of boreholes in hard rock. Rotary drilling equipment. Equipment for rotary percussive drilling. Drilling in loose soils. Borehole deviation. Drilling boreholes for grouting at the back of tunnel lining: Pneumatic hammer drills. Drilling boreholes for grouting concrete and masonry. 3. Grouting in Hard Rock. Criteria of admissible permeability. Equipment for hydraulic tests and for grouting. Depth of trial grouting boreholes. Hydraulic tests. Grouting tests. Design of a grout curtain. Operational grouting. Evaluation of grouting operations. Checking of grouting operations. Effect of blasting on grouting operations. 4. Grouting Loose Soils. Grouting methods in loose soils. Grouted medium. Grouting mixes. Equipment for grouting boreholes. Grouting operations. Grouting operation checks. 5. Grouting in Tunnel Construction. Consolidation of loose soils to facilitate the excavation of tunnels. Improving the geotechnical characteristics of rocks by prestressing, by grouting, and by reinforcement with pipes. Reinforcing the rock in a tunnel vault. Grouting at the back of lining. Repairing old tunnels. Sealing the joints in the lining of underground tunnels. Filling the space between armouring and concrete. 6. Grouting and Improving the Condition of Structures or Rock. Repairing masonry. Repairing fissures or construction joints in concrete. Repairing damaged insulation. Improving the geotechnical characteristics of soil. Improving the stability of landslides by grouting. Repairing damaged clay sealing of earth dams. Increasing load-bearing capacity of piles by grouting. 7. Grouting the Expansion Joints in Arch Dams. 8. Grouting of Anchors and Micropiles. 9. Diaphragm Walls. Clay mud. Purpose of diaphragm walls. Earth pressure. Excavating machines. Excavation of unsheeted trenches. Concreting diaphragm walls. Filling for diaphragm walls. Precast diaphragm walls. Japanese method for excavation of sealing wall. Slender bracing walls. Drainage walls. 10. Practical Examples. Grouting of hard rocks. Grouting of loose soils. Filling cavities and caverns. Diaphragm walls. Precast diaphragm walls. Sealing diaphragm wall at Přerov (Czechoslovakia). Sealing and consolidation of soil at the Presenzano - Caserta hydro-electric power station (Italy). References. Index.

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