Bearing capacity charts of soft soil reinforced by deep mixing
A series of preliminary design charts were developed to predict the bearing capacity of fully and partially penetrated deep mixing (DM) of soft soil. The charts were produced by a new numerical analysis tool based on discontinuity layout optimisation (DLO) in which a previously proposed homogenisati...
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Thomas Telford Services Ltd
2017
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my.utp.eprints.196402018-04-20T07:20:17Z Bearing capacity charts of soft soil reinforced by deep mixing Rashid, A.S.A. Black, J.A. Kueh, A.B.H. Mohamad, H. Noor, N.M. A series of preliminary design charts were developed to predict the bearing capacity of fully and partially penetrated deep mixing (DM) of soft soil. The charts were produced by a new numerical analysis tool based on discontinuity layout optimisation (DLO) in which a previously proposed homogenisation method was used to define the improvement area. To measure the applicability of implementation of the homogenisation method in the DLO, a series of validation processes was performed against several previous studies under uniform soil strength. A new empirical solution was developed from the DLO method using the homogenisation method for the bearing capacity of soft ground under uniform soil strength, improved by the fully penetrated DM method. Results produced by the DLO approach were compared with existing analytical solutions and better agreement was found from the present model. The charts consider variation in improvement area ratio, column length and strength, and foundation width for the fully and partially penetrated DM cases. The simulations were related to real field cases in which the strength characteristics of soft soil increase with depth. An example is given to demonstrate use of the charts. © 2017, Thomas Telford Services Ltd. All rights reserved. Thomas Telford Services Ltd 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013820164&doi=10.1680%2fjgrim.15.00008&partnerID=40&md5=600ddc3586fbe7c5b92c890fdf56d601 Rashid, A.S.A. and Black, J.A. and Kueh, A.B.H. and Mohamad, H. and Noor, N.M. (2017) Bearing capacity charts of soft soil reinforced by deep mixing. Proceedings of the Institution of Civil Engineers: Ground Improvement, 170 (1). pp. 12-25. http://eprints.utp.edu.my/19640/ |
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A series of preliminary design charts were developed to predict the bearing capacity of fully and partially penetrated deep mixing (DM) of soft soil. The charts were produced by a new numerical analysis tool based on discontinuity layout optimisation (DLO) in which a previously proposed homogenisation method was used to define the improvement area. To measure the applicability of implementation of the homogenisation method in the DLO, a series of validation processes was performed against several previous studies under uniform soil strength. A new empirical solution was developed from the DLO method using the homogenisation method for the bearing capacity of soft ground under uniform soil strength, improved by the fully penetrated DM method. Results produced by the DLO approach were compared with existing analytical solutions and better agreement was found from the present model. The charts consider variation in improvement area ratio, column length and strength, and foundation width for the fully and partially penetrated DM cases. The simulations were related to real field cases in which the strength characteristics of soft soil increase with depth. An example is given to demonstrate use of the charts. © 2017, Thomas Telford Services Ltd. All rights reserved. |
| format |
Article |
| author |
Rashid, A.S.A. Black, J.A. Kueh, A.B.H. Mohamad, H. Noor, N.M. |
| spellingShingle |
Rashid, A.S.A. Black, J.A. Kueh, A.B.H. Mohamad, H. Noor, N.M. Bearing capacity charts of soft soil reinforced by deep mixing |
| author_facet |
Rashid, A.S.A. Black, J.A. Kueh, A.B.H. Mohamad, H. Noor, N.M. |
| author_sort |
Rashid, A.S.A. |
| title |
Bearing capacity charts of soft soil reinforced by deep mixing |
| title_short |
Bearing capacity charts of soft soil reinforced by deep mixing |
| title_full |
Bearing capacity charts of soft soil reinforced by deep mixing |
| title_fullStr |
Bearing capacity charts of soft soil reinforced by deep mixing |
| title_full_unstemmed |
Bearing capacity charts of soft soil reinforced by deep mixing |
| title_sort |
bearing capacity charts of soft soil reinforced by deep mixing |
| publisher |
Thomas Telford Services Ltd |
| publishDate |
2017 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013820164&doi=10.1680%2fjgrim.15.00008&partnerID=40&md5=600ddc3586fbe7c5b92c890fdf56d601 http://eprints.utp.edu.my/19640/ |
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