bedrock

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bedrock

The solid rock under soil.
References in periodicals archive ?
A total of six numerical simulations were conducted with varying bedrock depths of 3, 5, 7, 10, 15, and 20 m.
The pile deflection was strongly confined by the surrounding bedrock at depths of 7 m or shallower, but no meaningful difference was noticed at greater depths.
The lateral load was about 4,800 kN for a bedrock depth of 3 m, dropping to about 820 kN at a depth of 10 m, and then remaining constant at greater depths.
The studies made are the basic part of developing an algorithm for calculating parameters of degassing (gas production) wells, including design of integrated coal mining and methane production in promising areas with flat bedrocks with high gas content.
Overlying rock masses hang in the goaf for a certain time and then collapse (or slowly descend), loading with their weight worked-out strata bedrock. Overlying rocks, respectively, collapse in larger blocks with a lower fragmentation index.
This, in turn, determines filtration time (with constant parameters of medium permeability) of IR and MR broken-down rock complex and poroelastic (unloaded from rock pressure) bedrock and soil roof.
The total thickness of the Estonian sedimentary bedrock complex increases southwards with an average dipping of 2-4.5 m per kilometre (Sildvee & Vaher 1995).
The core of the Varudi borehole, where the Ordovician bedrock is covered with an unusually thick Quaternary succession, led the mappers to the assumption of a buried valley beneath the Varudi bog (Suuroja et al.
Generally, the terrain ascends southwards, reaching 70 m at the bedrock rises (Fig.