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Preliminary Investigation of the GCL’s Boiling toward An Upward Water Flow

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Open access
Authors
Budihardjo, Mochamad
Chegenizadeh, A
Nikraz, Hamid
Date
2012
Type
Conference Paper

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Budihardjo, Mochamad and Chegenizadeh, A and Nikraz, Hamid. 2012. Preliminary Investigation of the GCL’s Boiling toward An Upward Water Flow, in A. Chang and T. Yingthawornsuk (ed), International Conference on Civil and Architectural applications (ICCAA'2012), Dec 18 2012, pp. 94-97. Phuket, Thailand: Planetary Scientific Research Center.
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Proceedings of the International Conference on Civil and Architectural applications (ICCAA'2012)
Source Conference
International Conference on Civil and Architectural applications (ICCAA'2012)
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This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/ Please refer to the licence to obtain terms for any further reuse or distribution of this work.

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Abstract

The performance of GCL as liquid barrier depends on its hydraulic performance. During its application, the GCL may encounter high water level and opposite water flow from ground water that can cause the failure of the GCL in maintaining its water tight. In this experiment, the high water pressure coming from above pushed the GCL to be thinner in some part and trigger the bentonite powder to escape from its carrier. However, the GCL did not lose its capacity to retain the water flow. Meanwhile, the opposite direction of water pressure applied afterward had a significant effect to the GCL performance after three days. The hydraulic performance of the GCL dropped significantly alongside with some physical changes on the GCL’s cover. The boiling of bentonite was built up during the failure of the GCL.