Pipe too deteriorated? Sliplining is not an option.: Difference between revisions
(Created page with "<div style= "text-align:center;">''Message: It is important to understand the condition of the existing pipe before considering sliplining as a viable option.''</div> ----</br> In this Alaska dam, the principal outlet conduit was in need of rehabilitation. The pipe was a good candidate for sliplining and the condition of the pipe allowed for a successful rehabilitation. However, the dam also had an auxiliary overflow conduit that was in need of rehabilitation. As shown...") |
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File:PTD1.jpg|Auxiliary overflow culvert has collapsed. | File:PTD1.jpg|Auxiliary overflow culvert has collapsed. | ||
File:PTD2.jpg|Closer image of collapsed culvert. | File:PTD2.jpg|Closer image of collapsed culvert. | ||
File:PTD3.jpg|Section of culvert is filled with debris. | File:PTD3.jpg|Section of culvert is filled with debris. | ||
Revision as of 17:58, 23 June 2022
In this Alaska dam, the principal outlet conduit was in need of rehabilitation. The pipe was a good candidate for sliplining and the condition of the pipe allowed for a successful rehabilitation.
However, the dam also had an auxiliary overflow conduit that was in need of rehabilitation. As shown in the images below, the pipe was in poor condition and sliplining was not an option. Ultimately, the auxiliary overflow conduit could not be rehabilitated and the pipe was abandoned in place using a cellular grout.
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Auxiliary overflow culvert has collapsed.
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Closer image of collapsed culvert.
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Section of culvert is filled with debris.
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Debris causing standing water.
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Abandoned auxiliary outlet at upstream face of dam.
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Abandoned auxiliary outlet at downstream face of dam.
Revision ID: 1302
Revision Date: 06/23/2022