Sentence examples for hard strata from inspiring English sources
In terms of the movement characteristics of overlying thick hard strata, Shi Hong (Shi 2005; Shi and Jiang 2004; 2005; Shi et al. 2005) regard the hard strata as a simple "beam fixed at two ends" structural model and analyzed the broken characteristics of thick hard strata before the initial fracture of the main roof.
The peak tensile strain appeared in the soft strata and the interface of soft and hard strata.
The stress-relief effect was investigated and analyzed in consideration with mining height and three thick hard strata.
In the current investigation backfill is assumed cohesionless and the wall is resting on variety of soil types from soft clay to hard strata.
The non-spherical single cone bit is a new type of cone bit designed on the basis of the spherical single cone bit; the new cone bit performs rock breaking by shocking and scraping to achieve a good effect on hard strata.
It has been successfully used to design several BRE walls founded on the hard stratum in different areas in Thailand.
The breakage angle of the overlying strata, and the compressive and expansive zones of coal deformation were mainly controlled by the number, thickness, and strength of the hard stratum.
The test wall was 6 m high, 9 m long at the top, 6 m wide at the top, and 12 m long, 21 m wide at the base and was constructed on a hard stratum.
The key for combination of such opposite properties is wrinkling, being consequence of intrinsic stresses in the bulk (soft tissue): Tribological contact to counterparts below the stress threshold for tissue trauma occurs on the thick hard stratum corneum layer pads, while tensile loads smooth out wrinkles in between these pads.
Intrinsic stresses are a reason for the hierarchical and self-adapting wrinkling of human skin too, being mechanically treated quite similar to the coated polymers as a hard layer (stratum corneum) on a soft foundation (viable epidermis and dermis).
Mr. Horenstein pointed out areas where the gneiss and the schist had deformed around the harder strata of amphibolite, as a viscous liquid might make its way slowly around a dam.
