Sentence examples for difficult geological conditions from inspiring English sources

Lubricants are frequently applied in pipe-jacking, especially under difficult geological conditions or in cases of a longer alignment.

In an already finished tunnel, mainly driven through limestone, the Q-system was tested under difficult geological conditions (shale marl).

For one, gas production and transportation require large investment because of difficult geological conditions of extraction and production and transportation considerations.

The project included a 185 m deep shaft, 4.7 km tunnel under very difficult geological conditions, and marine works for a submerged intake.

The difficult geological conditions of underground mines in permeable and fractured rocks require the use of ground support and inflow management methods.

Used materials and types of reinforcement play an important role when it comes to designing high-speed railway lines in difficult geological conditions.

Due to the difficult geological and hydrogeological conditions in Baden-Württemberg, the probability of a damage event here is increased.

Moreover, in mining panels difficult geological and mining conditions often occur disturbing the continuous advance of mining faces.

Artificial ground freezing is an environmentally friendly technique to provide temporary excavation support and groundwater control during tunnel construction under difficult geological and hydrological ground conditions.

But since U-ore has a degree of radioactivity and serves as a complex catalyst under geological conditions, it is difficult to make breakthroughs in this field.

Differences in tree density, ground flora, topography, soil and geological conditions make it very difficult to extend these estimates to general predictions.