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K-rail
| Глоссарий по проходческим щитам (тоннелингу) |
A modular concrete or plastic barrier used to separate lanes of traffic. also known as jersey barrier.
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Pilot tube method, английский
- A multistage method of accurately installing a product pipe to line and grade by use of a guided pilot tube followed by upsizing to install the product pipe. the pilot tube method does not fit within the definition of microtunneling.
- A multi stage method of accurately installing a product pipe to line and grade by use of a guided pilot tube followed by up-sizing to install the product pipe
In-line microtunneling, английский
A method of replacing an existing pipe by filling the pipe with flowable fill to prevent fluid loss and then excavating the entire pipe and surrounding ground with an mtbm for a new installation.
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