ściana okularowa
| 17:04 Mar 10, 2021 |
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| Polish to English translations [PRO] Tech/Engineering - Construction / Civil Engineering / maszyny drążące TBM | |||||||
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| 2 | spectacle wall |
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| Discussion entries: 9 | |
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Answers
21 mins confidence: 
spectacle wall Explanation: Without a definition in Polish, I am guided by the context only. cccccccccccccccccccccccccccccccc In addition, another stationary blocking element is generally provided in the region of the starting shaft, preferably in the spectacle wall, which blocking element seals the annular space 4 between the rear blocking element 14 and the starting shaft so that, in the latter, the suspension pressure defined to safeguard the advance, can be maintained during testing. The two blocking elements 14 shown move in contrast corresponding to the advance of the piping through the borehole whilst maintaining a constant mutual spacing.https://patents.google.com/patent/US20070292212 -------------------------------------------------- Note added at 23 mins (2021-03-10 17:28:13 GMT) -------------------------------------------------- cBored pile walls, which are to be passed through by a tunnel boring machine (TBM), so called "spectacle walls“ are reinforced with a glass fibre reinforcement in the passage area (so called soft-eye construction). This reinforcement material is so brittle and easy to cut through that no damage to the TBM is to be expected. Rebar cage with glass fibre reinforcement for „spectacle“ wall https://studyres.com/doc/16930260/large-diameter-bored-piles... |
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