We analyze the Rice-Ruina state and rate dependent friction model. The system consists of one or two blocks driven by springs with constant velocity on a dry, rough surface. Our discussion is limited to the creep-like motion, when the driving velocity is small. Two regimes of motion are observed: stick-slip and steady sliding. The stability of the steady sliding depends on the model parameters....

The reservoir water level in the Three Gorges Reservoir (TGR) of Yangtze River is adjusted between 145 m and 175 throughout year. landslide below bears periodic dynamic seepage pressure on basis original steady-state pressure. In process rising levels particular, effective stress sliding zone soil line reduced, shows an unloading state. order to study creep characteristics landslides a area, di...

this paper discusses the performance evaluation and availability analysis of ammonia synthesis unit of a fertilizer plant. the fertilizer plant is a complex and repairable engineering system comprises of various units viz. shell gasification and carbon recovery, desulphurization, co-shift conversion, decarbonation, nitrogen wash and ammonia synthesis etc. one of the most important functionaries...

Abstract The rheology of the upper mantle impacts a variety geodynamic processes, including postseismic deformation following great earthquakes and post-glacial rebound. rocks is controlled by olivine, most abundant mineral. mechanical properties olivine at steady state are well constrained. However, physical mechanism underlying transient creep, an evolutionary, hardening phase converging to a...

The major factor influencing drip rate during intravenous infusion using a standard administration set is the variation in the venous pressure of the patient. Creep in the plastic material, though present, is shown to be unimportant. For steady and accurate infusion it is necessary to provide the ordinary gravity-fed administration set with some form of servo-control mechanism.

We present a new class of TiBw/Ti6Al4V composites with a network reinforcement architecture that exhibits a significant creep resistance compared to monolithic Ti6Al4V alloys. Creep tests performed at temperatures between 773 K and 923 K and stress range of 100 MPa-300 MPa indicate both a significant improvement of the composites creep resistance due to the network architecture made by the TiB ...