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oapen-20.500.12657-530062022-02-19T02:55:24Z Ground Improvement by Deep Vibratory Methods Kirsch, Klaus Kirsch, Fabian backfill column columns compaction concrete depth material replacement stone vibro bic Book Industry Communication::T Technology, engineering, agriculture::TN Civil engineering, surveying & building::TNK Building construction & materials bic Book Industry Communication::T Technology, engineering, agriculture::TN Civil engineering, surveying & building bic Book Industry Communication::T Technology, engineering, agriculture::TN Civil engineering, surveying & building::TNC Structural engineering::TNCC Soil & rock mechanics Vibro compaction and vibro stone columns are the two dynamic methods of soil improvement most commonly used worldwide. These methods have been developed over almost eighty years and are now of unrivalled importance as modern foundation measures. Vibro compaction works on granular soils by densification, and vibro stone columns are used to displace and reinforce fine-grained and cohesive soils by introducing inert material. This second edition includes also a chapter on vibro concrete columns constructed with almost identical depth vibrators. These small diameter concrete piles are increasingly used as ground improvement methods for moderately loaded large spread foundations, although the original soil characteristics are only marginally improved. This practical guide for professional geotechnical engineers and graduate students systematically covers the theoretical basis and design principles behind the methods, the equipment used during their execution, and state of the art procedures for quality assurance and data acquisition. All the chapters are updated in line with recent developments and improvements in the methods and equipment. Fresh case studies from around the world illustrate the wide range of possible applications. The book concludes with variations to methods, evaluates the economic and environmental benefits of the methods, and gives contractual guidance. 2022-02-18T16:57:14Z 2022-02-18T16:57:14Z 2017 book ONIX_20220218_9781482257571_7 9781482257571 9781482257564 9780367139025 9781315372341 https://library.oapen.org/handle/20.500.12657/53006 eng application/pdf n/a 9781482257571.pdf Taylor & Francis CRC Press 10.1201/9781315372341 10.1201/9781315372341 7b3c7b10-5b1e-40b3-860e-c6dd5197f0bb 9781482257571 9781482257564 9780367139025 9781315372341 CRC Press 252 open access
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Vibro compaction and vibro stone columns are the two dynamic methods of soil improvement most commonly used worldwide. These methods have been developed over almost eighty years and are now of unrivalled importance as modern foundation measures. Vibro compaction works on granular soils by densification, and vibro stone columns are used to displace and reinforce fine-grained and cohesive soils by introducing inert material. This second edition includes also a chapter on vibro concrete columns constructed with almost identical depth vibrators. These small diameter concrete piles are increasingly used as ground improvement methods for moderately loaded large spread foundations, although the original soil characteristics are only marginally improved. This practical guide for professional geotechnical engineers and graduate students systematically covers the theoretical basis and design principles behind the methods, the equipment used during their execution, and state of the art procedures for quality assurance and data acquisition. All the chapters are updated in line with recent developments and improvements in the methods and equipment. Fresh case studies from around the world illustrate the wide range of possible applications. The book concludes with variations to methods, evaluates the economic and environmental benefits of the methods, and gives contractual guidance.
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