Experimental and Numerical Study of At-Rest Lateral Earth Pressure of Overconsolidated Sand
... which is converted to equivalent horizontal earth pressure acting at the back of the wall. Another set of load cells is used to ... The numerical model developed was able to predict the earth pressure distribution over the wall height. Test set up, ... that the measured horizontal earth force is about three times the value calculated by classical at-rest earth pressure theory. ... Practically, the hydrostatic earth pressure distribution behind the wall is adopted according to the at-rest, active, or ...
Mechanism of Human Tooth Eruption: Review Article Including a New Theory for Future Studies on the Eruption Process
... eruption pressure triggered by innervation in the apical root membrane, and the ability of the periodontal ligament to adapt to ... the other vascular and/or tissue hydrostatic pressures in and around the tooth are responsible for eruption. Whatever the ... and vascular and/or tissue hydrostatic pressures.". Furthermore, Berkowitz et al. write on page 363: "Having established that ... A tooth that will erupt depends on(1)space in the eruption path,(2)lift or pressure from below,(3)adaptability in the ...
Mechanical Effects of Solid Water on the Particle Skeleton of Soil: Mechanism Analysis
Because solid water is not likely to be extruded by pressure alone, if the particle compression is negligible relative to the ... the mechanical effects due to increasing water pressure are not only to compress particles more but also to enhance ... the only mechanical effect due to water pressure is to compress particles; while if the interparticle solid water could be ... so an increment of hydrostatic pressure, , will produce a volume decrement by an amount as in Equation (3) [20]. ...
Experimental and Numerical Study on Modal Dynamic Response of Water-Surrounded Slender Bridge Pier with Pile Foundation
Based on the validated models, the modal hydrodynamic pressures are calculated to characterize the 3D distribution of ... the hydrodynamic pressures are nondimensionalized through scaling by the maximum hydrostatic pressure, . In application of the ... Hydrodynamic Pressures. The hydrodynamic pressure acting on the surfaces of a structure is of great significance for the ... m, passing through the location of the maximum hydrodynamic pressure. Figure 19 reveals that the modal hydrodynamic pressures ...
Fluid Evolution of Fuzishan Skarn Cu-Mo Deposit from the Edong District in the Middle-Lower Yangtze River Metallogenic Belt of...
C in the late retrograde skarn and quartz-sulfide stages suggest that boiling occurred under hydrostatic pressure of 150 to 280 ... indicating that immiscibility occurred at lithostatic pressure of 700 bars to perhaps 1000 bars, corresponding to a depth of ... 62]. Trapping pressures for the quartz-sulfide stage are 150 to 280 bars, corresponding to 1.5 to 2.8 km under hydrostatic ... As discussed above, 400°C is also a transition from lithostatic to hydrostatic pressure at which the hydrothermal system became ...
A Finite Element Study of Micropipette Aspiration of Single Cells: Effect of Compressibility
is the hydrostatic pressure, is the effective solid stress tensor which is derived from (2) and is the unit tensor. Fluid flow ... L. A. G. Lin, A. Q. Liu, Y. F. Yu et al., "Cell compressibility studies utilizing noncontact hydrostatic pressure measurements ... The aspiration pressure was set to , according to the experiments, reaching its maximum almost instantaneously (within s). ... and fluid pressure forming within the cell and to examine pressure driven fluid flow across the membrane, the homogenized cell ...
3D FE Analysis of an Embankment Construction on GRSC and Proposal of a Design Method
... the phreatic level was set at the top surface of the soft clay layer to generate a hydrostatic pore water pressure profile in ... Excess pore pressure reduces by increasing geosynthetic stiffness and/or reducing /. ratios. Degree of consolidation is ... Variation of excess pore pressure with time is plotted in Figure 7 for various /. ratios. As shown in this figure, it can be ... A zero pore pressure boundary condition was applied at the top. The left boundary was assumed impervious to consider the fact ...
Deformation of a Circular Elastic Tube between Two Parallel Bars: Quasi-Analytical Geometrical Ring Models
normalized pressure denoting the ratio of hydrostatic pressure , and flexural rigidity modulus of the ring using Youngs ... a) Normalised pressure as a function of area . The dashed line corresponds to . (b) Modulus of deformation as a function of ... Figure 7(a) illustrates the increase in normalised pressure when the normalised peanut area is decreased from the value of a ... When using the normalised pressure as a Lagrange multiplier , the constrained minimisation problem satisfies the Euler-Lagrange ...
Do Mechanical and Physicochemical Properties of Orthodontic NiTi Wires Remain Stable In Vivo?
"Thermal conductivity and compressive strain of aerogel insulation blankets under applied hydrostatic pressure," Journal of Heat ... increased partial pressure of hydrogen ions as well as the microbe metabolism products, altogether may have vital effects on ...
Elastic Analysis of Rotating Thick Truncated Conical Shells Subjected to Uniform Pressure Using Disk Form Multilayers
"Analysis of functionally graded thick truncated cone with finite length under hydrostatic internal pressure," Archive of ... Applied pressure to internal surface includes two components as follows: where and are components of internal pressure along ... The applied internal pressure is MPa. The truncated cone rotates with rad/s and has clamped-clamped boundary conditions. ... H. R. Eipakchi, "Third-order shear deformation theory for stress analysis of a thick conical shell under pressure," Journal of ...
Failure Mode and the Prevention and Control Technology of Buried PE Pipeline in Service: State of the Art and Perspectives
... service pressure of PE pipes is determined according to the relationship between the long-term life and long-term hydrostatic ... including the inner wall pressure due to fluid. The inner wall pressure Pi and the external soil pressure Po are distributed in ... The PE pipeline will be subjected to the external pressure (e.g., overlying soil pressure), and generally, the pressure on the ... Subsequently, the hose is turned into a buried pipe by air pressure or water pressure, and the face of the hose is immersed in ...
Application of
-Stress to Predict the Lower Bound Fracture Toughness for Increasing the Test Specimen...
Fracture toughness test and FEA results for A533B compiled from the Shoreham reactor pressure vessel data [1] (3PB, mm, −91°C; ... has been explained as the differences in the crack-tip constraint or the hydrostatic stress triaxiality, which fails to ... Fracture toughness test and FEA results for A533B compiled from the Shoreham reactor pressure vessel data [1] (3PB, mm, −91°C; ... T. J. Theiss and J. W. Bryson, "Influence of crack depth on the fracture toughness of reactor pressure vessel steel," in ...
Dry Deposition from Sahara Sources Regions of Western Africa
The most outstanding feature during the initial stages of this episode was the intensification of a high pressure system over ... The Eta model uses the primitive equations based on the hydrostatic approximation; it is formulated as a grid-point model and ...