Load transformation from the yielding part of soil to adjacent is known as arching effect, which plays an important role in design various geotechnical infrastructures. Terzaghi’s trapdoor test was milestone development theories on arching. The research earth pressure problem presented this paper using three-dimensional (3D) discrete element method (DEM). Five 3D models with different heights a...

Experimental and numerical tests of the trap-door problem have been carried out, involving several granular materials. Three phases have been observed in the load transfer mechanism, as the trap-door is moved downward. The classical pattern for the description of this type of problem (a vertical plane of failure at each edge of the trap-door) corresponds to the third phase observed. The previou...

Compared with single or twin tunnels, the pressure arch effect of deeply buried, symmetrically distributed triple tunnels are more complex and less studied. In this paper, arching responses in-situ measured in Badaling Great Wall station. Numerical research is subsequently conducted to investigate formation development tunnels. Then, influencing law buried depth on behavior systematically Based...

Variations in the anatomical relationship of the gonadal arteries to the renal vessels are frequently reported. We present, on a male cadaver, an unusual origin and course of a left testicular artery arching over the left renal vein along with double renal arteries. The development of this anomaly is discussed in detail. Compression of the left renal vein between the abdominal aorta and the sup...

Trench is connected to very narrow and deep excavation filled with bentonite suspension. This paper presents estimation of its stability in cohesive soil. The stability is assessed by two calculation methods. The first involves the equilibrium of forces acting on the rigid wedge. The second one includes numerical calculations conducted in Plaxis 3D Foundations. A few examples having different d...

It is known that the distribution of active earth pressure against a translating rigid wall is not triangular but nonlinear, owing to arching effects in the backfill. In the present paper, a new formulation is proposed for calculating the active earth pressure on a rigid retaining wall undergoing horizontal translation. It takes into account the arching effects that occur in the backfill (or re...