Finally, aiming at the problem of high dynamic stress caused by steam hammer phenomenon, the reduction measures for dynamic stress are put forward.
Discussion on critical dynamic stress of lime-treated expansive soil under cyclic loading
Testing research on dynamic stress is the key to solve the cracking problem of large water turbine runners.
Because it is hard to obtain dynamic stress equilibrium and constant strain rate in soft materials specimen during the conventional SHPB experiments, a pulse shaping technique is developed.
A formula for calculating dynamic stress intensity factor of three-poi nt bending specimen is obtained by taking the impact velocity effect on dynamics tress intensity factor into account.
Scattering of flexural waves and dynamic stress concentration in plate are different from static stress problem.
A dynamic strain gage is developed for dynamic stress test at900℃ of turbine rotor blades of an aeroengine.
The tower building of the semi_movable crusher system has been designed and its static and dynamic stress has been analyzed.
This paper describes the test for holding force and dynamic stress in the main beams of a steel gate with an electric resistance type strain gauge.
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
It is for telemetering the vibration frequency, dynamic stress and temperature of turbine blades under dynamic state.
Analysis for the gear of pin gear fit of the bending dynamic stress using the finite element
By utilizing modal synthesis technique and theory of elastic mechanics, the formation mechanism and simulation method of vehicle body dynamic stress caused by road unevenness are studied.
A new dynamic holophotoelasticity method is used in laboratory test to study propagation of dynamic stress by blasting subjected to initiative stress.
Finally, some possible physical mechanisms, for example the Coulomb stress-triggering mechanism, the dynamic stress-triggering mechanism and the lower crust and upper mantle flow deformation mechanism, which may generate these coseismic and post-seismic anomalies, are discussed.
elastodynamic stress-intensity factor
Unfortunately, previous work rarely incorporated the effect of initial deviator stress on cyclic degradation behavior and dynamic stress-strain relationship of soft clay.
The variation of dynamic stress intensity factor is found to lag behind the stress pulse impacting on several microseconds.
A separated collecting ring with carbon brushes was designed and manufactured for the dynamic stress test of spoke plates of rotor of bulb tubular turbine generator.
The analysis results indicate that the attenuation of additional dynamic stress along depth is reduced with existence of the structure under rail.
A pulse shaping technique has been used in split Hopkinson bar (SHPB) experiment, for ensuring the specimen in dynamic stress equilibrium and loaded under constant strain rate during the test.
Firstly, the situation of excessive dynamic stress during vibration test of environmental stress screening for an air-air missile flight control cabin was introduced.
Study on dynamic stress-strain relationship of soft clay considering degradation of stiffness under cyclic loading
