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Numerical Modeling of Soft Clay Improved with Prefabricated Vertical Drains
Vertical drains are often used to accelerate the consolidation settlement in soft clays subjected to preloading. Even though there are a variety of ground improvement techniques available, prefabricated vertical drains (PVD) in combination with preloading have become a popular method for soft soil problems as it provides an effective solution. Marine clay is one such type of soft soil which is highly compressible and causes severe distress to the structure constructed over it. In this study, a numerical investigation is carried out to explore a better insight into consolidation behavior of Marine clay improved with PVD. A surcharge load of 25 kPa is applied to accelerate the consolidation process. The analysis is carried out using the finite element software ABAQUS, employing the modified Cam-Clay theory. The aim of this study is to investigate the effect of smear on the settlement rate with different drain spacing (Drain spacing ratio n = 10, 15, 20) and for two different thickness of clay layers.
Numerical Modeling of Soft Clay Improved with Prefabricated Vertical Drains
Vertical drains are often used to accelerate the consolidation settlement in soft clays subjected to preloading. Even though there are a variety of ground improvement techniques available, prefabricated vertical drains (PVD) in combination with preloading have become a popular method for soft soil problems as it provides an effective solution. Marine clay is one such type of soft soil which is highly compressible and causes severe distress to the structure constructed over it. In this study, a numerical investigation is carried out to explore a better insight into consolidation behavior of Marine clay improved with PVD. A surcharge load of 25 kPa is applied to accelerate the consolidation process. The analysis is carried out using the finite element software ABAQUS, employing the modified Cam-Clay theory. The aim of this study is to investigate the effect of smear on the settlement rate with different drain spacing (Drain spacing ratio n = 10, 15, 20) and for two different thickness of clay layers.
Numerical Modeling of Soft Clay Improved with Prefabricated Vertical Drains
Lecture Notes in Civil Engineering
Patel, Satyajit (editor) / Solanki, C. H. (editor) / Reddy, Krishna R. (editor) / Shukla, Sanjay Kumar (editor) / Prabavathy, S. (author) / Rajagopal, K. (author) / Kumar Pitchumani, N. (author)
2021-04-23
10 pages
Article/Chapter (Book)
Electronic Resource
English
IMPROVEMENT OF SOFT CLAY BY PREFABRICATED VERTICAL DRAINS
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