Journal
GEOMECHANICS AND ENGINEERING
Volume 5, Issue 2, Pages 99-118Publisher
TECHNO-PRESS
DOI: 10.12989/gae.2013.5.2.099
Keywords
geotechnical parameters; in situ testing; pressuremeter; mass rapid transit; Bangkok Clay
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Funding
- Stimulus Package 2 (SP2) of Ministry of Education, Thailand under the theme of Green Engineering for Green Society
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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.
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