Abstract
The 2010 phase 2 investigation for the Padma Multi-Purpose Bridge applied a number of advanced techniques for determining the insitu properties of the material. These included the use of pressuremeters and both pre-bored and self-bored pressuremeter testing were carried out. The pre-bored tests were made with a 95 mm High Pressure Dilatometer and the self-bored tests with a six axis version of the Cambridge Self-Boring Pressuremeter.
Subsequent investigation (2014) in addition to self-boring also made use of a smaller probe, the Reaming Pressuremeter (RPM). This can be used as a pre-bored device, or pushed down a pilot hole. It is easy to deploy but requires a sophisticated approach to the data analysis.
Some aspects of the pressuremeter testing are considered here. The focus is on the differences between the types of pressuremeter and data obtained, and how these differences may be reconciled.
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Acknowledgements
The Author is grateful to the Padma Multipurpose Bridge Project team for permission to quote data from the tests carried out in 2010 and 2014.
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Whittle, R. (2019). Advanced Pressuremeter Testing for the Padma Multi-purpose Bridge Development. In: Randolph, M., Doan, D., Tang, A., Bui, M., Dinh, V. (eds) Proceedings of the 1st Vietnam Symposium on Advances in Offshore Engineering. VSOE 2018. Lecture Notes in Civil Engineering , vol 18. Springer, Singapore. https://doi.org/10.1007/978-981-13-2306-5_14
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DOI: https://doi.org/10.1007/978-981-13-2306-5_14
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