نتایج جستجو برای: active lateral earth pressure
تعداد نتایج: 1031837 فیلتر نتایج به سال:
In this study, we investigated the preconsolidation pressure (P C) of sedimentary soft rock and its relationship with brittle-ductile transition (BDT) pressure. We proposed a generalized G) suitable for both soil rock, which is defined in terms yield stress initial sediment structure under confined lateral compression. then explored digenetic effect on P G using 24 types. Next, BDT were verifie...
Aims and background: The aim of this study was to investigate the effects of elastic gait training on the peak plantar pressure variables and peak forces of 10 regions of the foot, peak of vertical force, time to peak of vertical force and displacement of center of pressure in patients with low back pain during running. Materials and methods: The sample of this study included 29 men with low b...
There are many methods for the analysis and design of embedded cantilever retaining walls. They involve various different simpli®cations of the net pressure distribution to allow calculation of the critical retained height. In the UK, it is commonly assumed that net pressure consists of the sum of the active and passive limiting pressure values. In the USA, the net pressure is commonly simpli®e...
Background: Endotracheal tube cuff pressure must be maintained in safe range. Many factors could be affecting on endotracheal tube cuff pressure in patients on mechanical ventilation. Patients undergoing mechanical ventilation (MV) in critical care settings require changing position for different reasons. The aim of this study was to determine the effect of changes in body position and head of ...
Background: Cardiac herniation is a fatal post pneumonectomy complication. We report the signs, clinical findings, diagnosis and management of a patient with post pneumonectomy cardiac herniation.Case report: A 34-year-old man with lung cancer underwent left pneumonectomy with partial pericardiectomy in the right lateral decubitus position. At the end of the surgery, cardiovascular collapse, se...
Increasing the pore water pressure in the body of dams will reduce the effective stress and thus reduce the shear strength of the body materials of the dam, which can lead to dangerous results and cause instability of earth dams. According to nonlinear behavior of earth dam, behavioral models of Mohr–Coulomb and hardening soil model are used to model the dam and body materials. In this study, u...
Affected by climatic conditions such as rainfall, evaporation and air temperature, most of the backfill soil is in an unsaturated state, decrease matric suction leads to failure retaining structure. In view this, this study takes vertical rigid wall with narrow research object, assuming that behind forms a circular arch considering interlayer shear stress; thus, analytical solution active earth...
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