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Geomechanics and Engineering
  Volume 5, Number 2, April 2013 , pages 99-118

Geotechnical parameters from pressuremeter tests for MRT Blue Line extension in Bangkok
Suched Likitlersuang, Chanaton Surarak, Dariusz Wanatowski, Erwin Oh and Arumugam Balasubramaniam

    Construction of the extension project of the Bangkok MRT Blue Line underground railway was recently started in 2011. The construction of approximately 5 km long underground tunnel and 4 deep excavations of underground station are considered to be the most important geotechnical works. The pressuremeter was selected as a high-quality in situ testing of the soil to evaluate design parameters for the project. In addition, other field and laboratory tests such as vane shear and CK0U triaxial tests were included in the investigation programme. This paper aims to present the ground conditions encountered along the MRT Blue Line extension project as well as the site investigation and interpretation techniques with particular focus on the pressuremeter tests. The results are also compared with the pressuremeter investigation from the previous Bangkok MRT project.
Key Words
    geotechnical parameters; in situ testing; pressuremeter; mass rapid transit; Bangkok Clay
Suched Likitlersuang: Department of Civil Engineering, Faculty of Engineering, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; Chanaton Surarak, Erwin Oh and Arumugam Balasubramaniam: School of Engineering, Griffith University, Gold Coast Campus, Queensland, Australia; Dariusz Wanatowski: Nottingham Centre for Geomechanics, The University of Nottingham, United Kingdom/Department of Civil Engineering, The University of Nottingham Ningbo, China

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