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1
Rock Mechanics: Proceedings of the 35th US Symposium on Rock ...
4.2 Poisson's ratio relationships Figure 6 shows the relationship between
Poisson's ratio and porosity for both static and dynamic measurements. Poisson's
ratio increases with increasing porosity and the dynamic-drained Poisson's ratio
is ...
Jaak J.K. Daemen, Richard A. Schultz, 1995
Table 12.5 Poisson's Ratio and Young's Modulus for Various Materials Material
Poisson's Ratio Young's Modulus (psi) Values for rock computed from
compressibility measurements by Brace (1966) at confining stresses of 3-5
kilobars. Values ...
3
The Encyclopedia of Wood
Information on adhesive bonding, biodeterioration, control of moisturecontent, preservation, fire safety, specialty treatments, and much...
U S Dept of Agriculture, 2007
4
Food Texture and Viscosity: Concept and Measurement
Table 3.4 Apparent Poisson Ratio of Selected Foods at Different Levels of
Hencky Strain Apparent Poisson's Ratio Sample H 0.05 H 0.12 H 0.30 H 0.65 H
0.90 Apple Red Delicious 0.21 0.25 f Jonagold 0.17 0.22 f Idared 0.24 0.24 f
Bread Rye ...
5
Measuring in Situ Mechanical Properties of Pavement Subgrade ...
For drained loading, Poisson-s ratio varies with soil type as shown in Table 3.
TABLE 3 TYPICAL VALUES OF POISSON'S RATIO (2) Soil Range Untreated
granular material 0.3-0.4 Cement-treated granular material 0. 1 -0.2 Cement-
treated ...
David E. Newcomb, Bjorn Birgisson, 1999
6
Pressure Regimes in Sedimentary Basins and Their Prediction: ...
The lithology factor is based on the plane-strain solution from elasticity theory for
horizontal effective stress as a function of vertical effective stress and is a function
of Poisson's ratio. It is equal to m /(1 m), where, in this chapter, m is Poisson's ...
Alan R. Huffman, Glenn L. Bowers, 2002
Poisson's ratio is named for the famous French mathematician Siméon Denis
Poisson (1781–1840), who attempted to calculate this ratio by a molecular theory
of materials (Ref. 1-8). For isotropic materials, Poisson found n 1/4. More recent ...
James Gere, Barry Goodno, 2008
8
Reinforced Concrete Slabs
2.2.7 Poisson's Ratio Poisson's ratio appears as a significant variable in many
plate equations, although it has often been taken as zero for work with reinforced
concrete slabs. As is discussed below, this is reasonable for a cracked slab, and
it ...
Robert Park, William L. Gamble, 2000
9
Mechanics Of Materials (In Si Units)
POISSON'S RATIO We saw in the earlier part of this chapter that, when a
homogeneous slender bar is axially loaded, the resulting stress and strain satisfy
Hooke's law, as long as the elastic limit of the material is not exceeded. Assuming
that ...
Beer, Johnston & Dewolf, 2004
10
Timber: Its Nature and Behaviour, Second Edition
6.2.3 Poisson's ratio In general, when a body is subjected to a stress in one
direction, the body will undergo a change in dimensions at right angles to the
direction of stressing. The ratio of the contraction or extension to the applied
strain is ...
ȘTIRI NOI CARE INCLUD TERMENUL «POISSON'S RATIO»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
Poisson's ratio în contextul următoarelor știri.
Hylec Controls releases concrete compression and flexure test …
... also be upgraded for testing strain measurements in concrete, including E Modulus, Poisson's ratio, and deflection measurements in beams. «Ferret, Iul 15»
Seeing through chaos in multimode fibres
Assuming that (n – 1) is directly proportional to the material density, the scaling factor can be expressed as ξ = 1 – (1 – 2σ)(n – 1)/n, where σ is Poisson's ratio ... «Nature.com, Iul 15»
Lightning protection for aircraft structures
... conductivity, Young's modulus, and Poisson's ratio – were added to the COMSOL multiphysics model as custom-defined values (Figure 3). «Aerospace Manufacturing and Design, Iul 15»
Using the D2 PHASER for Mineralogical Analysis of Shale Formations
Also, Poisson's ratio is utilized for measuring rock strength. In order to obtain other data like brittleness indices for measuring the brittleness in a ... «Azomining, Iun 15»
X-Ray Imaging Reveals Secrets in Battery Materials
Using these equations, the team calculated a material property called the Poisson's ratio and discovered that this value is negative when the ... «Product Design & Development, Iun 15»
Epsilon MODEL 3575 Transverse (Diametral) Extensometers
... measurements using anisotropic materials such as composites, sheet metal testing including r-value determination and Poisson's ratio measurement. «Azom.com, Mai 15»
Accelerating materials discovery with world's largest database of …
... (represented by arrow direction), shear modulus (x-axis), bulk modulus (y-axis), and Poisson's ratio (color) for all the compounds calculated. «Phys.Org, Apr 15»
Material Building Blocks of the Future Deft Logic
Auxetic materials have the amazing property of a negative Poisson's ratio, becoming fatter when stretched. This comes from its structure which ... «ENGINEERING.com, Feb 15»
Hierarchical Auxetic Metamaterials with More Versatile Mechanical …
Auxetic materials have the amazing property of a negative Poisson's ratio, becoming fatter when stretched. This comes from its structure which ... «AZoNano.com, Feb 15»
Building blocks of the future defy logic
Auxetic materials have the amazing property of a negative Poisson's ratio, becoming fatter when stretched. This comes from its structure which ... «R & D Magazine, Feb 15»
