The autologous volumetric deformation of the sandstone concrete at 180d is -57.8 microstrain without adding magnesia and the autologous volumetric deformation of the sandrock concrete added with 4% magnesia at 180d is approach to 0.
Consolidation tests are applied to determine the indexes of volumetric deformation with respect to normal stress for expansive soils in Guangxi of China,and to predict ground heaves in expansive soils.
In design of mass concrete works,the anti-cracking requirement is always considered,the autogenetic volumetric deformation is an important index of anti-cracking ability of concrete,the influential factors and regularities about it are discussed;
Modeling of macrosegregation caused by volumetric deformation in a coherent mushy zone
In this paper, we present a new method of estimating volumetric deformation by integrating intrinsic instantaneous velocity data with geometrical token displacement information, based upon continuum mechanics principles.
Volumetric Deformation Analysis Using Mechanics-Based Data Fusion: Applications in Cardiac Motion Recovery
Volumetric deformation of Al-4.4% Cu and Al-4.4% Cu-0.5% Mg compacts during sintering
For cyclic uniaxial compression of rigid foams and volumetric deformation of elastic foams, the stress-strain curves are obtained.
A series of tests for determining volumetric deformation of dry sand under horizontal cyclic loadings on shaking table were carried out.The basic characteristics for variation of the volumetric deformations of dry sand with the input acceleration for different duration of vibratory motion and the corresponding limits are preseuted.The relationship between the volumetric deformations of sand for different number of cycles of vibratory motion and input accelerations and its dependence on input frequency...
A series of tests for determining volumetric deformation of dry sand under horizontal cyclic loadings on shaking table were carried out.The basic characteristics for variation of the volumetric deformations of dry sand with the input acceleration for different duration of vibratory motion and the corresponding limits are preseuted.The relationship between the volumetric deformations of sand for different number of cycles of vibratory motion and input accelerations and its dependence on input frequency are investigated. It is showa by the comparison between test data for different duration and different number of cycles of vibratory motion that the duration of vibratory motion can be used to represent the comprehensive effects of both number of eyeles and frequency on volumetric deformation of dry sand. Besides, the comparison of test results with those obtained by other authors and those calculated is also discussed.
An analysis of the complex of viscoelastic country rock compled with viscoelastic (or elastic)lining in a circular drift under plane strain condition is given by this paper. Stresses and displacemet as expressed in segmental functions in this paper are attributed to two factors, creep deformation and volumetric deformation. A controlled integral equation of lining pressure based on the integral
Using the integral dynamic adjustment of the piece wise liner velocity,the paper processes the levelling repetition measurement data of the Dianxi(Western Yunnan) area since 1980s,and makes the fitting of the velocity surface for vertical deformation with multisurface function and splits information of vertical deformation field.The dynamic evolution of deformation field and vertical deformation information norm shear deformation,extension deformation,volumetric deformation and quasi acceleration,the...
Using the integral dynamic adjustment of the piece wise liner velocity,the paper processes the levelling repetition measurement data of the Dianxi(Western Yunnan) area since 1980s,and makes the fitting of the velocity surface for vertical deformation with multisurface function and splits information of vertical deformation field.The dynamic evolution of deformation field and vertical deformation information norm shear deformation,extension deformation,volumetric deformation and quasi acceleration,the distribution changing characteristic by the information splited before Lijiang earthquake with M S 7 0(February 3,1996) in the north of the Dianxi(Western Yunnan) levelling network have been researched.The results indicate that in Dianxi(Western Yunnan) area the acute vertical differential movement of the large scale deformation velocity high gradient belt and high information norm distribution on the Lijang,Yongsheng and its adjcent areas in the medium term of 1980s is the discovery of the startting seismogeny strain energy accumulation before Lijiang earthquake with M S 7 0 for ten years;during 1985～1992,the deformation field tendency dog leg had been notable weakened vertical differential movement may be seismogenic zone that is in the relative blocking stage for seismogenic energy accumulation to definite extent.On this basis,combine the seismicity analysis of this area before Lijiang earthquake with M S 7 0 with macroseismic seismogeny deformation for different areas,the pre seismic deformation field nonhomogeneous state and the seismogeny information retrieval have been further studied,the useful conclusion of macroseismic extended forecast by geodetic deformation have been obtained.
volumetric deformation
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