eprintid: 8881 rev_number: 2 eprint_status: archive userid: 1 dir: disk0/00/00/88/81 datestamp: 2023-11-09 16:20:48 lastmod: 2023-11-09 16:20:48 status_changed: 2023-11-09 16:13:45 type: article metadata_visibility: show creators_name: Rashid, A.S.A. creators_name: Black, J.A. creators_name: Kueh, A.B.H. creators_name: Mohamad, H. creators_name: Noor, N.M. title: Bearing capacity charts of soft soil reinforced by deep mixing ispublished: pub keywords: Bearing capacity; Composite structures; Foundations; Geotechnical engineering; Graphic methods; Mixing; Soils, Column lengths; Deep mixing; Fully-penetrated; Optimisations; Preliminary design; Strength characteristics; Uniform soil; Validation process, Numerical methods, bearing capacity; composite; deep mixing method; foundation; geotechnical engineering; soft soil; soil reinforcement note: cited By 15 abstract: 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. date: 2017 publisher: Thomas Telford Services Ltd official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013820164&doi=10.1680%2fjgrim.15.00008&partnerID=40&md5=600ddc3586fbe7c5b92c890fdf56d601 id_number: 10.1680/jgrim.15.00008 full_text_status: none publication: Proceedings of the Institution of Civil Engineers: Ground Improvement volume: 170 number: 1 pagerange: 12-25 refereed: TRUE issn: 17550750 citation: 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. ISSN 17550750