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DEVICE FOR BACK SOIL DISTURBANCE IN SHIELD TUNNEL
DEVICE FOR BACK SOIL DISTURBANCE IN SHIELD TUNNEL
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机译:盾构隧道后土扰动装置
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摘要
The present invention relates to an apparatus for soil disturbance at the back of a shield tunnel, wherein: the apparatus is formed by a fitting I and a fitting II connected by means of three bolts that form equal angles; the fitting I is a short circular pipe; an end surface of a fitting end of the fitting I is provided with a water passage; a pipe wall of the pipe is provided with 2-8 water spouts; the fitting II is a long circular pipe whose inner and outer diameters are consistent with those of the fitting I; a fitting end of the fitting II is provided with two O-shaped water stop rings; a pipe wall of the fitting II is provided with three water inlets that form equal angles and are in communication with the water passage of the fitting I.
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