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orthotropic
orthotropic, a. Bot. (ɔːθəʊˈtrɒpɪk) [f. as orthotrop-ous + -ic.] 1. Growing vertically upwards or downwards, as a root or stem.1886 Vines Physiol. Plants xvii. 425 Sachs has observed that the young primary shoot of Tropæolum majus is at first orthotropic. Ibid., The primary shoot of the seedling [of...
Oxford English Dictionary
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Orthotropic
Orthotropic may refer to:
Orthotropic material is one that has different material properties or strengths in different orthogonal directions (e.g., glass-reinforced plastic, or wood)
Orthotropic deck, in bridge design, is one made from solid steel plate
Orthotropic movement, in botany, is a type
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Orthotropic material - Wikipedia
In material science and solid mechanics, orthotropic materials have material properties at a particular point which differ along three orthogonal axes, where each axis has twofold rotational symmetry. These directional differences in strength can be quantified with Hankinson's equation .
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orthotropy
orthotropy Bot. (ɔːˈθɒtrəpɪ) [f. Gr. type *ὀρθοτροπία, f. *ὀρθότροπος: see prec.] 1. The condition of being orthotropous.1848 Lindley Introd. Bot. (ed. 3) II. 41 From the frequent examination of the passage from orthotropy to anotropy in ovules I am convinced that the umbilical cord is never soldere...
Oxford English Dictionary
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Orthotropic material
A familiar example of an orthotropic material is wood. Bounds on the moduli of orthotropic elastic materials
The strain-stress relation for orthotropic linear elastic materials can be written in Voigt notation
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orthotropism
orthotropism Bot. (ɔːˈθɒtrəpɪz(ə)m) [f. as next + -ism.] The condition of being orthotropic; tendency to grow in a vertical direction, upwards or downwards.1885 Vines in Encycl. Brit. XIX. 61/1 Orthotropism is then mainly due to negative geotropism.
Oxford English Dictionary
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Orthotropic deck
Orthotropic deck bridges
Thousands of orthotropic deck bridges are in existence throughout the world. using an orthotropic deck.
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plagiotropic
plagiotropic, a. Bot. (pleɪdʒɪəʊˈtrɒpɪk) [a. G. plagiotrop (J. von Sachs 1879, in Arbeiten Bot. Inst. Würzburg II. 227) f. plagio- + Gr. τροπικός inclined, f. τρόπος turning.] Said of members or organs of plants, the two halves of which react differently to the influences of light, gravitation, and ...
Oxford English Dictionary
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Topophysis
Orthotropic growth is when the scion begins to grow in the same upward manner as the ortet. Vöchting recorded that cuttings from the terminal shoots immediately developed into normal plants with orthotropic growth.
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Impulse excitation technique
More complex material behaviour like orthotropic material behaviour can be identified by extended IET procedures. A material is called orthotropic when the elastic properties are symmetric with respect to a rectangular Cartesian system of axes.
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(PDF) Comparative study on cutout geometry applied on railway ...
PDF | In order to study the applicability of different cutout geometry on orthotropic steel bridge deck (OSBD)in railway bridges, four different types... | Find, read and cite all the research you ...
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Tsai–Wu failure criterion
Tsai–Wu failure criterion for orthotropic materials
For orthotropic materials with three planes of symmetry oriented with the coordinate directions, if Then the coefficients of the orthotropic Tsai–Wu failure criterion are
The coefficients can be determined using equibiaxial tests.
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Deck (bridge)
If the slab has a stiffness that is different in two directions (at right angles), then the deck is known and analyzed as an orthotropic deck. See also
Bridge - for a visual index of various bridge types
Bridge bearing
Freeway lid
Orthotropic deck
Roadbed types
References
External links
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Papineau-Leblanc Bridge
It was fabricated from weathering steel and has an orthotropic deck. S., Orthotropic Bridges - Theory and Design, 2nd ed., The James F. Lincoln Arc Welding Foundation, Cleveland, OH, 1987.
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Karun 4 Arch Bridge
This arch deck bridge has an orthotropic deck system with total width which incorporates a two-way carriageway and a walkway at each side.
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