Slide plane

FIGURE 3.9 Migration of the contaminant plume for the point source. The sliding planes in the X, Y, and Z directions show the position of the soil column regions in which the solute concentration complies with EPA criteria for Hg in fresh water. The numerical value of the maximum concentration in those planes is also shown. 

Figure 21 Two complete hysteresis cycles for 4.5 mn CdSe NQDs presented as unit cell voliunes for the wurtzite sixfold-coordinated phase (triangles) and the rock-salt fourfold-coordinated phase (squares) versus pressure. Sohd arrows indicate the direction of pressure change, and dotted boxes indicate the mixed-phase regions. Unlike hulk phase transitions, the wurtzite to rock-salt transformation in nanocrystals is reversible and occurs without the formation of new high-energy defects, as indicated by overlapping hysteresis loops. The shape change that a sliding-plane transformation mechanism (see text) would induce is shown schematically on the right. (Reprinted figure with permission from J.N. Wickham, A.B. Herhold, and A.P. Alivisatos, Phys. Rev. Lett., 2000, 84, 923. 2000 by the American Physical Society)...

The closest-packed planes are planes with minimum surface energy, and for this reason they are most commonly either faceting planes or slide planes. It has been observed that closest-packed layers are typical of intergrown crystals, or twins (Belov 1976). As mentioned above, one dislocation type is the closest-packing defect ... 

The poor compression of paracetamol was addressed through the preparation of a new orthorhombic form [55]. Owing to its well-known poor compressional properties, commercially available paracetamol materials for direct compression are compounds of paracetamol with gelatin, polyvinylpyrrolidone, starch, or starch derivatives. Since a chemically pure paracetamol that could be used for direct compression would constitute a better compendial article, a new polymorph was produced. The new form was recrystallized from dioxane, and its crystals were found to consist of sliding planes that led to good compressibility. However, the orthorhombic form is metastable with respect to the monoclinic form phase conversion was observed if the raw material contained greater than 20% of the monoclinic phase. However, the dissolution rates for the two forms were found to be similar, and therefore any questions as to the relative bioavailability of the two forms would probably be meaningless. 

Under the continuous earthquake activities, deformation was ongoing and the hypergene fissures developed more quickly. When the tensile fractures in the scarp deepened later on to a certain depth, the stress accumulation around the locked patches brought this part of the rock into an accelerated creep stage. After a strong earthquake, the still intact patches were broken along the sliding plane, which led to the development of the landslide. 

Figure 1. Sliding plane along a weak layer.

Due to the horizontal plane section of sliding plane in Case 2-, recovers to zero at t = 86149s and to 233 gal finally. The residual displacement is 165 m in Case 2-1, while it is infinite in Case 1. 

By considering the effect of irregular geometry of the sliding plane, the rational velocity and residual displacement could be obtained in Case 2-1. 

As shown in Figure 7, the sliding starts as becomes negative at t = 86126s. Subsequently, Ky decreases to a minimum value of -0.27 gal due to the continuous increase in Later, Ky increases because the toe reaches the horizontal plane section of sliding plane. 

In order to evaluate the effects of the GWL increase rate, the decrease in the apparent friction angle and the geometry changes of sliding plane on the displacement of dip slopes containing a weak layer, numerical calculations on a simplified slope were performed. In the procedure, the sliding... 

Anguelov K., Anguelova R., Lakov A., 1983. Structural changes in shear zones and slide planes of clay with different types of structural bonds // Bulletin of the International Association of Engineering Geology. 

Plastic strain in crystalline solids is related to the appearance and movement of the special linear defects of the structure referred to as dislocations [2-5,8,17]. In a sliding plane, the dislocation separates the parts of the crystal in which a shift in the position of atoms by one interatomic distance has already occurred and those in which such displacement has not yet taken place (Figure 7.17). The movement of dislocation throughout the entire crystal results in a shift of the sliding plane by one interatomic distance. A defect in which an extra half plane of atoms is introduced midway through the crystal, distorting nearby planes of atoms, is referred to as an edge dislocation. 

The = const condition is referred to as the Lichtman-Shchukin condition. This condition manifests itself in a most explicit way in single crystals in which a single distinct sliding plane coincides with the cleavage plane. In this case, for the angle between the sliding plane and the longitudinal axis of the sample equal to x, one can write that... 

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