By Steffen Praetorius,Britta Schößer

Pipe jacking is a building method for the no-dig laying of pipes. profitable pipe jacking calls for low pores and skin friction among the floor and the jacked pipe. this can be completed with bentonite lubrication. The bentonite slurry fed into the annular hole fulfils numerous reasons. It stabilises the annular hole by means of helping the encompassing floor and decreases friction touch among floor and jacked pipe. The Bentonite guide offers comprehensibly with the appropriate points of annular hole lubrication: beginning with the floor stipulations, that are of decisive value for lubrication, during the rheological homes of the bentonite slurry to the technical elements of lubrication expertise and lubrication procedure. using standardised measuring gear is defined in addition to blending gear and the automated lubrication process. evaluate tables with calculations and advised values for bentonite intake amounts looking on the present flooring stipulations and the pipe jacking parameters entire the recommendations.

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Bentonite Handbook: Lubrication for Pipe Jacking by Steffen Praetorius,Britta Schößer

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