Method for determining dimensional size effects of toughness coefficients of typical stone structural surface

A technology of roughness coefficient and size effect, applied in the direction of measuring devices, instruments, etc., can solve the problem that the JRC size effect of rock mass structural plane cannot be well reflected, and achieve the effect of great implementation value and social and economic benefits
CN1645049AInactive Publication Date: 2005-07-27JINHUA VOCATIONAL TECH COLLEGE
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
JINHUA VOCATIONAL TECH COLLEGE
Publication Date
2005-07-27
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A method for confirming fractal dimension includes preparing section to be measured, drawing contour curve, measuring fluctuation amplitude Ry10 for 10 cm section contour curve and calculating out its roughness coefficient JRGo value solving out expected value E (JRC10) for JRC10; applying the same steps to obtain expected value E (JRC30) for 30cm section, utilizing formula E=(JRC30)=E(JRC10)[L30 / L10]-D to convert out fractal dimension D of JRC dimension effect for typical rock structural plane.
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Description

(1) Technical field The invention relates to the size effect fractal dimension D of a typical rock mass structural surface JRC, which is suitable for determining the rock mass structural surface roughness coefficient JRC on the surface of a partially exposed rock mass structural surface n value occasions. (2) Background technology Before the present invention is made, there is still no typical rock mass structural surface JRC size effect fractal dimension D, rock mass structural surface roughness coefficient JRC in the prior art n The determination method of the value is the roughness coefficient JRC of the rock mass discontinuity surface of standard size obtained by measuring the range of the exposed rock mass discontinuity surface 0 value, according to Barton's JRC size effect empirical formula JRC n = JRC 0 [ L n L ...

Claims

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