unstable-angina 发表于 2025-4-1 05:44:22
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,Den Wald erleben – zu allen Jahreszeiten,sic version, jet grouting involves drilling small holes in the ground and emitting jets of cement grout at very high speed while extracting and rotating the drill rods, to cut the soil, mix it with the binder and form cemented columns. The dimensions and mechanical properties of the columns depend o赞成你 发表于 2025-4-2 07:56:30
https://doi.org/10.1007/978-3-662-65240-4rcial injection cutting head was used for the generation of multiphase turbulent AWJ. High-pressure flow monitoring, PTV-LIF methods and computational fluid dynamics (CFD) were used to study the multiphase flow. The main emphasis of this work is on the comparison of the results obtained by direct ob