CN100485315C - Measuring method for large size structure surface contour curve roughness coefficient - Google Patents

Measuring method for large size structure surface contour curve roughness coefficient Download PDF

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Publication number
CN100485315C
CN100485315C CNB200710068410XA CN200710068410A CN100485315C CN 100485315 C CN100485315 C CN 100485315C CN B200710068410X A CNB200710068410X A CN B200710068410XA CN 200710068410 A CN200710068410 A CN 200710068410A CN 100485315 C CN100485315 C CN 100485315C
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CN
China
Prior art keywords
jrc
roughness coefficient
contour curve
structural plane
point
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CNB200710068410XA
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Chinese (zh)
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CN101050958A (en
Inventor
杜时贵
杨云芳
王晓翠
罗战友
姜健
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浙江建设职业技术学院
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Priority to CNB200710068410XA priority Critical patent/CN100485315C/en
Publication of CN101050958A publication Critical patent/CN101050958A/en
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Publication of CN100485315C publication Critical patent/CN100485315C/en

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Abstract

A method for measuring outline curve roughness coefficient of large dimension structure surface can realize effective measurement on outline curve roughness coefficient with different sampling length by confirming measurement reference point of outline curve roughness coefficient on large dimension structure surface.

Description

Measuring method for large size structure surface contour curve roughness coefficient
(1) technical field
The present invention relates to measuring method for large size structure surface contour curve roughness coefficient, be applicable to and determine datum mark when on large-scale structure face surface outline curves, measuring roughness coefficient, and effectively measure, with the occasion of research large-scale structure surface roughness coefficient size effect.
(2) background technology
Before the present invention makes, there is not measuring method for large size structure surface contour curve roughness coefficient.Because structural plane roughness coefficient has heterogencity, must carry out statistical measurement and just can obtain large-scale structure surface roughness coefficient value.With a certain datum mark is that structural plane roughness coefficient that starting point is implemented different sample lengths is when measuring, if reference point location difference, then the roughness coefficient measurement result is also inequality, if arbitrarily choose the structural plane roughness coefficient measurement that reference point carries out different sample lengths, will cause measurement result can not truly reflect large-scale structure surface roughness coefficient size effect objective law.
When carrying out the effective measurement of different sample length structural plane roughness coefficients, can choose infinite a plurality of datum mark in theory and carry out roughness coefficient measurement sampling, and objective people can not implement the structural plane roughness coefficient statistical measurement of different sample lengths to infinite a plurality of datum marks, and existing statistics or probability theory can not realize ideally again determining scientifically and rationally that the reference point of limited (the least possible number) reaches the purpose of roughness coefficient statistical measurement.
(3) summary of the invention
The present invention will overcome prior art can't determine the large size structure surface contour curve roughness coefficient datum mark objectively, realize that different sample length contour curve roughness coefficients effectively measure, provide a kind of large size structure surface contour curve roughness coefficient datum mark of rationally carrying out to determine, and implement the method that different sample length structural plane roughness coefficients are effectively measured.
Measuring method for large size structure surface contour curve roughness coefficient of the present invention comprises following sequential steps:
(1) on large-scale structure facial contour curve, selected left end starting point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(2) on large-scale structure facial contour curve, selected right-hand member starting point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(3) on large-scale structure facial contour curve, selected contour curve mid point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(4) respectively the structural plane roughness coefficient measurement result of (1), (2), (3) three each sample lengths of reference point is measured distinguishing validity, JRC 10, JRC 20, JRC 30, JRC 40, JRC 50Representing sample length respectively is the roughness coefficient of the structural plane contour curve of 10cm, 20cm, 30cm, 40cm and 50cm, works as JRC 10JRC 20JRC 30, and JRC 20JRC 40, JRC 30JRC 50The time, measure effectively; Otherwise it is invalid to measure;
(5) add up measuring effectively the structural plane roughness coefficient measurement result of each sample length in (1), (2), (3) three reference points respectively, get the structural plane roughness coefficient value of its mean value, carry out large-scale structure surface roughness coefficient Analysis of Size Effect for each sample length.
Beneficial effect of the present invention is: for the large size structure surface contour curve roughness coefficient measurement provides effective means
(4) description of drawings
Fig. 1 is No. 1 structural plane surface outline curves of Anji limestone tomography
(5) embodiment
Fig. 1 is No. 1 structural plane surface outline curves of Anji limestone tomography (long 400cm), with left end A point be reference point, mid point B point be reference point, right-hand member C point be reference point choose length be respectively 10cm, 20cm, 30cm, 40cm, 50cm ..., 360cm, 370cm, 380cm, 390cm, 400cm contour curve, record JRC respectively 10, JRC 20, JRC 30, JRC 40, JRC 50..., JRC 360, JRC 370, JRC 380, JRC 390, JRC 400, see Table 1.As shown in Table 1, being reference point and being the effective measurement of being measured as of reference point with right-hand member C point with left end A point, is the invalid measurement of being measured as of reference point with mid point B point.To with left end A point be reference point and with right-hand member C point be the length of reference point be respectively 10cm, 20cm, 30cm, 40cm, 50cm ..., the JRC that records of 360cm, 370cm, 380cm, 390cm, 400cm contour curve 10, JRC 20, JRC 30, JRC 40, JRC 50..., JRC 360, JRC 370, JRC 380, JRC 390, JRC 400Add up, promptly obtain the structural plane roughness coefficient of the different sample lengths of this contour curve, can carry out the roughness coefficient Analysis of Size Effect this tomography.
No. 1 contour curve JRC of table 1 Anji tomography measurement result
The right JRC statistical value of JRC among the JRC of a sample length left side
10 28.06 9.96 15.49 17.84
20 15.18 11.2 11.78 12.72
30 10.95 18.9 9.8 13.22
40 10.54 12.72 7.35 10.20
50 8.45 12.87 7.13 9.48
60 7.05 11.72 5.94 8.24
70 6.21 10.35 5.09 7.22
80 5.48 9.08 9.79 8.12
90 5.57 8.08 13.33 8.99
100 5.41 7.28 14.8 9.16
110 5.49 9.63 14.87 10.00
120 5.26 10.24 15.08 10.19
130 5.03 11.71 14.54 10.426
140 4.68 11.32 13.55 9.85
150 4.91 10.91 12.68 9.5
160 4.68 10.25 11.92 8.95
170 4.75 9.66 11.24 8.55
180 4.57 9.14 10.63 8.11
190 4.33 8.66 10.09 7.69
200 4.12 8.24 9.59 7.32
210 3.92 7.85 9.15 6.97
220 3.74 7.5 8.74 6.66
230 3.58 7.16 8.36 6.37
240 3.43 6.59 8.02 6.01
250 4.77 6.11 7.7 6.19
260 5.7 6.25 7.41 6.45
270 5.49 6.06 7.14 6.23
280 5.29 5.85 6.89 6.01
290 5.11 5.65 6.65 5.80
300 4.94 5.46 6.77 5.72
310 4.78 5.29 6.72 5.60
320 4.63 5.12 6.51 5.42
330 4.49 4.97 6.35 5.27
340 4.36 4.82 6.16 5.11
350 4.24 4.69 6.01 4.98
360 4.12 4.56 5.9 4.86
370 4.01 4.6 5.74 4.78
380 3.9 5.31 5.59 4.93
390 3.8 5.77 5.45 5.01
400 4.28 6.05 5.31 5.21

Claims (1)

1, a kind of measuring method for large size structure surface contour curve roughness coefficient comprises following sequential steps:
(1) on large-scale structure facial contour curve, selected left end starting point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(2) on large-scale structure facial contour curve, selected right-hand member starting point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(3) on large-scale structure facial contour curve, selected contour curve mid point is a datum mark, carries out the structural plane roughness coefficient of different sample lengths by same rule and measures sampling, and sample length is spaced apart 10cm;
(4) respectively the structural plane roughness coefficient measurement result of three selected in step (1), (2), (3) each sample lengths of reference point is measured distinguishing validity, JRC 10, JRC 20, JRC 30, JRC 40, JRC 50Representing sample length respectively is the roughness coefficient of the structural plane contour curve of 10cm, 20cm, 30cm, 40cm and 50cm, works as JRC 10JRC 20JRC 30, and JRC 20JRC 40, JRC 30JRC 50The time, measure effectively; Otherwise it is invalid to measure;
(5) respectively the structural plane roughness coefficient measurement result of measuring effective each sample length in three selected in step (1), (2), (3) reference points is added up, get the structural plane roughness coefficient value of its mean value, carry out large-scale structure surface roughness coefficient Analysis of Size Effect for each sample length.
CNB200710068410XA 2007-04-30 2007-04-30 Measuring method for large size structure surface contour curve roughness coefficient CN100485315C (en)

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CN100485315C true CN100485315C (en) 2009-05-06

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CN102663239B (en) * 2012-03-21 2014-12-10 南京航空航天大学 Method for measuring roughness of ice-forming surface based on surface geometry
JP5916490B2 (en) 2012-04-09 2016-05-11 中国塗料株式会社 Friction resistance prediction method for ship bottom coating film, coating film performance evaluation method and coating film performance evaluation apparatus using the method
CN103558094B (en) * 2013-09-23 2016-01-06 绍兴文理学院 A kind of subsize rock model structural structural fece sample representative sampling method based on stratified probability sampling
JP6482888B2 (en) * 2015-02-05 2019-03-13 中国塗料株式会社 Method of predicting frictional resistance of rough surface and surface performance evaluation apparatus
CN104833333B (en) * 2015-03-09 2017-06-20 绍兴文理学院 Structural plane roughness coefficient dimensional effect sample characterization unit determines method
CN105716545B (en) * 2016-02-01 2018-01-19 绍兴文理学院 Structural plane roughness coefficient evaluation method based on Dice similarity measures
CN105737768B (en) * 2016-02-01 2018-05-08 绍兴文理学院 Structural plane roughness coefficient evaluation method based on Cosine similarity measures
CN106777830B (en) * 2017-02-10 2017-12-19 中国水利水电科学研究院 A kind of fast appraisement method of pipeline hydraulic frictional resistance
CN107656902B (en) * 2017-09-13 2020-10-27 绍兴文理学院 Structural surface roughness coefficient statistical method under different sampling intervals
CN109099880B (en) * 2018-07-12 2020-08-11 宁波大学 Rock mass structural plane roughness coefficient global search measuring method

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