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Aug 04, 2008 Possible measures for the application in groundwater-bearing soil:
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Aug 15, 2006 (Image: Microtunnelling with hydraulic spoil removal in single phase jacking) (Image: Basic equipment, possible arrangement components on the construction site and space requirements (ca. L × B = 35 × 4 m) for microtunnelling with hydraulic spoil removal - plan view (on the model of the jacking of pipes DN/ID 600, pipe length 2.0 m)) Method of operation and sequence Microtunnelling with hydraulic spoil removal is characterized by the jacking of pipes … |
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Aug 04, 2008 (Image: Basic equipment, possible arrangement components on the construction site and space requirements (ca. L × B = 35 × 4 m) for microtunnelling with hydraulic spoil removal - plan view (on the model of the jacking of pipes DN/ID 600, pipe length 2.0 m)) The dimensions of the starting shaft are determined by the type of machine and the selected size and length of the jacking pipes. Today, use is made mostly of prefabricated reinforced concrete … |
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Aug 15, 2006 (Video: Integrated high-pressure flushing system in the crusher space of the AVN microtunnelling machine) Video: Integrated high-pressure flushing system in the crusher space of the AVN microtunnelling machine with reference to [FI-Herrea] [Image: S&P GmbH]. This interactive object is only visible online. |
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Aug 04, 2008 It is not possible in all cases (e.g. in the later creation of drainage pipes in waste dumps and contaminated areas or the creation of pipe arches [Camp01]) to excavate target shafts, for instance, for the removal of microtunnelling machines. In such cases, only microtunnelling machines that are suitable for the jacking of blind borings can be used, and which, after reaching the target point, can be pulled back again through the jacked pipe string … |
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Aug 04, 2008 In microtunnelling with hydraulic spoil removal, the flushing medium is circulated with the aid of pumps through an enclosed piping system inside the jacking pipe string that is successively increased in length with the installation of a new jacking pipe. When using water as a flushing medium usually settling basins suffice for separation. (Image: Fluid circulation of microtunnelling by means of hydraulic spoil removal) (Image: Settling basin to separate … |
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Aug 04, 2008 (Video: Schematic illustration of a two-stage hydrocyclone separation plant with subsequent centrifuge) (not found) Video: Schematic illustration of a two-stage hydrocyclone separation plant with subsequent centrifuge with reference to [Rubar99] [Image: S&P GmbH]. This interactive object is only visible online. |
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Aug 04, 2008 (Image: Stone crusher arrangement of the UNCLEMOLE [FI-Isekib]) (Image: Eccentric cone crusher [FI-MGF]) (Image: Pipe-Replacer [FI-NLW] - Eccentric breaker disc; the coned breaker disc is placed eccentrically on the main drive shaft) |
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Aug 15, 2006 (Image: Microtunnelling with pneumatic spoil removal) (Image: Equipment, possible arrangement of the components on the construction site and space requirements (approximately L x W = 34 x 4 m) in microtunnelling with pneumatic spoil removal - plan view (on the model of the jacking of pipes DN/ID 600, pipe length 2.0 m)) Method of operation and sequence Microtunnelling with pneumatic spoil removal on the basis of a suction plant is characterized by the … |
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Aug 04, 2008 (Image: Equipment, possible arrangement of the components on the construction site and space requirements (approximately L x W = 34 x 4 m) in microtunnelling with pneumatic spoil removal - plan view (on the model of the jacking of pipes DN/ID 600, pipe length 2.0 m)) The required internal diameter of the starting shaft is:
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