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Simulation of Pipe-Jacking

100%

Bosseler B. , Liebscher M. , Redmann A.

Inżynieria Bezwykopowa

2007

tom nr spec. 4

32-40

Symulacja procesu przeciskania rur : modele komputerowe i testy w skali 1:1

100%

Bosseler B. , Liebscher M. , Redmann A.

Inżynieria Bezwykopowa

2007

tom nr 3

64-70

Pipe-jacking has proven its worth as an economically rational and environmentally safe alternative to open-cut installation of new pipelines. The pipes are subjected to exceptional loadings during the installation procedure, however, particularly in case of directional (i.e., "non-straight") pipe routes and difficult soil conditions. Test and inspection concepts applied up to now have been restricted in this context to the inspection of individual pipes and joints only, ignoring the pipe-string bed and curvature. This is the background to a research project conducted by the IKT - Institute for Underground Infrastructure with financial support from the Ministry of the Environment of the German state of North Rhine-Westphalia and the Emschergenossenschaft. A test system, using which jacking loads exerted on pipes and pipe joints, including the resultant bed stresses, can be simulated on a 1:1 scale, has been developed.