“contraflexure”的英文意思_释义_用法

单词

contraflexure

释义

contraflexure|ˌkɒntrəˈflɛksjʊə(r)|
[f. contra- + flexure.]
The condition of being bent or curved in opposite directions; also, the point or piece at which this occurs. Also attrib.
1891Notes on Building Construction (ed. 2) IV. iii. 70 These points, where the curvature and the stress change, are called the points of contra-flexure.Ibid. 75 The distances of the points of contra-flexure from the abutments..vary according to the section of the girder, the distribution of the load, etc.1922Flight XIV. 253/1 The joint..occurs at the point of contraflexure, where the bending moment is zero.1954Archit. Rev. CXV. 425 To provide short lengths of cable over the supports between contraflexure points, which bend up and emerge in the top of the beam for stressing and anchoring.1958Ibid. CXXIII. 308/2 The contraflexure, i.e. the cantilever portion relieving the main span.

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