Stability of slurry trenches is an important issue during the construction of the groundwater cutoff walls and diaphragm walls, and thus gradually draws attention. In this paper, a theoretical method for a three-dimensional trench model with an inclined ground was proposed. Based on the Coulomb-type force equilibrium, a safety factor assessing the stability was derived. The results showed that the existing two-dimensional model was conservative compared to the present three-dimensional model; concretely, a greater inclined angle of the inclined ground and trench length decreased the safety factor. This work could be used to assess the trench stability for both 2D and 3D cases with inclined ground surfaces.
In the title complex, [CrCl2(C15H14N4O)2]Cl, the CrIII atom is located on a twofold rotation axis and is coordinated by two N,N′-bidentate triazole derivatives and two chloride ions in a distorted octahedral CrN2N′2Cl2 geometry. One of the two independent Cl− counter-anions sits on a special position (site symmetry .) and is fully occupied, whereas the other is disordered around a twofold rotation axis over two positions in a 2:3 ratio.
In the title complex, [CuCl2(C15H14N4O)], the CuII atom possesses a highly distorted square-planar geometry with N—Cu—N and Cl—Cu—Cl angles of 79.86 (8) and 98.65 (3)°, respectively, while the Cl—Cu—N angles fall into two distinct groups with values of 95.26 (6), 98.75 (6), 150.56 (6) and 152.04 (6)°. The pyridyl ring is twisted by 9.4 (2)° with respect to the triazole ring, which is oriented at approximately right angles [84.66 (8)°] with respect to the phenyl ring.
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