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Effects of Confining Stresses on Mechanisms of Heave-Inducing Compaction Grouting
Faculty
Engineering
Year:
2024
Type of Publication:
ZU Hosted
Pages:
pages 4783–4803
Authors:
Adel Mohamed Taha Elkelsh
Staff Zu Site
Abstract In Staff Site
Journal:
Geotechnical and Geological Engineering Springer Nature.
Volume:
Volume 42
Keywords :
Effects , Confining Stresses , Mechanisms , Heave-Inducing Compaction
Abstract:
The control of surface heaving has been of interest in major applications of compaction grouting such as ground improvement and settlement compensation works. Some studies generalize compaction grouting as heave-inducing and thus the corresponding soil improvement increases with depth, while others do not. Effective planning of compaction grouting requires assessment of whether it is heave-inducing and understanding the effects of confining stresses on its mechanisms and effectiveness. Unfortunately, little effort has been made in this regard. The current paper addresses these issues through physical modeling of compaction grouting using a large-scale double-wall calibration chamber and injection system capable of injecting the stiff compaction grouts. The results of twenty-one test cases conducted under well-controlled conditions are presented, discussed, and compared with the results of actual compaction grouting. The confining stresses as represented in terms of the vertical stress (σV) and coefficient of earth pressure at rest (K0). The presented results and discussions show the reliability of the adopted modeling. Empirical correlations that engineers can use to predict the occurrence of surface heaving as well as pre-heaving compression of soil, surface heave, creep deformation, and residual increase of K0 for given confining stresses are newly introduced. The results of developed correlations show good comparison with those of actual compaction grouting. Implications for actual compaction grouting are also presented
Author Related Publications
Adel Mohamed Taha Elkelsh , "calibration chamber modeling of compaction grouting", Geotechnical testing journal, 2008
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Adel Mohamed Taha Elkelsh , "case history of intermittent treatment by compaction grout piles", Proceedings of 18th International offshore and polar engineering conference, 2008
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Adel Mohamed Taha Elkelsh , "Investigation into effectiveness of by-pass cement dust as soil stabilizer in road construction", International journal of current engineering and technology, 2016
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Adel Mohamed Taha Elkelsh , "Field investigation into effectiveness of compaction grouting", Journal of geotechnical and geoenvironmental engineering, ASCE, 2012
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Adel Mohamed Taha Elkelsh , "Effectiveness of compaction grout piles in improving foundation soils of existing runway", Proceedings of 6th International conference on case histories in geotechnical engineering, 2008
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Department Related Publications
Ahmed Elsayed Ali Mahmoud, "An Integrated Sustainable Construction Project’s Critical Success Factors (ISCSFs)", Sustainable Engineering and Science, 2021
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Gamal Saber Ahmed Elfiky, "Determination of local gravimetric geoid model over Egypt using LSC and FFT estimation techniques based on different satellite- and ground-based datasets", Taylor & Francis, 2021
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Mohammed Ahmed Ali Alashkar , "Determination of local gravimetric geoid model over Egypt using LSC and FFT estimation techniques based on different satellite- and ground-based datasets", Taylor & Francis, 2021
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Ahmed Hussien Ibrahim Mahmmoud, "Management of Construction Cost Contingency Covering Upside and Downside Risks.", Alexandria Engineering Journal (AEJ),, 2014
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