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List of products by author: D. Wenner
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The Design and Construction of Grouting against Water Ingress in the Headrace Tunnel for the Uma Oya Project, Sri Lanka
Abstract: The 15.2km long headrace tunnel (HRT) is a key component of the Uma Oya Multipurpose Development Project (UOMDP). The HRT takes water from Dyraaba Dam to the pressure shaft that feeds the power house. The excavation of the major 4.30m diameter headrace tunnel is done by using a double shield TBM. This is the first use of a TBM in Sri Lanka. High water...
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Under-passing of Karoon River by EPB-TBM in Urban Environment - Ahwaz Metro Case Study from Iran
Abstract: Ahwaz Metro line 1 in Iran is currently under construction by two EBP TBMs. In the central part, the alignment crosses Karoon River next to urban environment, being the most critical part of the route. The paper describes alignment optimization to address the difficult ground conditions with deep alluvial deposits in the river bed, so that geological risks are reduced adequately at early design...
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