Normalized interface friction coefficient versus corrective corrected roughness Rr

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Source Journal for Chinese Scientific and Technical Papers and Citations
Included in A Guide to the Core Journal of China
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Normalized interface friction coefficient versus corrective corrected roughness R_r

2024, 46(2): 335-344.

Effects of grain size distribution and surface texture on shear behaviors at saturated sand-steel interface .

Figures of the Article

Tables of the Article

编号	C_u	C_c	D₅₀/ mm	D_av/ mm	相对密实度D_r/%	e_max	e_min	砂样质量/g
QS1	1.57	0.99	0.20	0.22	90	1.10	0.61	129.81
QS2	2.22	1.23		0.25		1.01	0.56	128.67
QS3	3.01	0.80		0.33		0.98	0.63	124.28
QS4	5.12	0.33		0.36		1.02	0.65	122.63

Soil properties

表面类型	R_max/mm	R_n	R_a/mm	D	R_r
表面类型	R_max/mm	R_n	R_a/mm	D	QS1	QS2	QS3	QS4
SSS	0	0	0	0	0	0	0	0
RSW1	0.4	2	0.0365	1.7252	0.286	0.252	0.191	0.175
RSW2	0.8	4	0.0678	1.8269	0.563	0.495	0.375	0.344
RSW3	0.6	3	0.1043	1.9251	0.913	0.803	0.608	0.558
RSG1	0.4	2	0.0365	1.421	0.236	0.207	0.157	0.144
RSG2	0.8	4	0.0678	1.5376	0.474	0.417	0.316	0.290
RSG3	0.6	3	0.1043	1.9047	0.903	0.795	0.602	0.552

Surface roughnesses of different interfaces

表面类型试样 CNL/
kPa VNL/
kPa 剪切位移
L/mm 剪切速率/
(cm·min^-1)

SSS, RSW1,
RSW2, RSW3,
RSG1, RSG2,
RSG3 QS1,
QS2,
QS3,
QS4 100 0~100 100 1.0

Shear tests on saturated interfaces