Physical and Compaction Properties of Granular Materials with Artificial Grading behind the Particle Size Distributions

Table 4

Characteristic values behind the PSD curves of different dam granular materials (only shows the analysis results of first 10 groups).

Granular material type	Number								Weibull parameter
		Weibull distribution	Grading analysis	Error (%)	Statistical analysis	Linear interpolation	Statistical analysis	Linear interpolation	Size parameter	Shape parameter
A	S1	2.442	2.455	−0.5	26.84	14.25	2.11	0.77	2.451	0.758
	S2	2.460	2.466	−0.3	28.67	14.47	2.14	0.83	2.437	0.734
	S3	2.458	2.470	−0.5	29.32	14.58	2.15	0.75	2.149	0.740
	S4	2.394	2.467	−3.0	28.84	10.51	2.14	0.86	1.871	0.826
	S5	2.414	2.449	−1.4	25.78	12.20	2.09	0.69	1.994	0.797
	S6	2.450	2.450	0.0	26.02	15.13	2.09	0.66	2.271	0.748
	S7	2.467	2.446	0.8	25.45	16.49	2.08	0.69	2.490	0.724
	S8	2.435	2.461	−1.1	27.76	16.70	2.12	0.77	2.276	0.768
	S9	2.460	2.452	0.3	26.36	15.13	2.10	0.62	2.206	0.732
	S10	2.482	2.463	0.7	28.18	15.63	2.13	0.67	2.268	0.703
B	S1	2.512	2.453	2.4	26.52	28.87	2.10	1.23	6.167	0.663
	S2	2.522	2.492	1.2	33.93	30.13	2.22	1.31	5.600	0.650
	S3	2.495	2.476	0.8	30.55	27.07	2.17	1.61	5.216	0.688
	S4	2.476	2.454	0.9	26.67	29.22	2.10	1.70	6.158	0.713
	S5	2.529	2.478	2.1	30.97	28.71	2.17	1.21	5.656	0.640
	S6	2.495	2.464	1.2	28.30	28.38	2.13	0.96	5.847	0.687
	S7	2.531	2.489	1.7	33.30	34.43	2.21	0.81	6.593	0.637
	S8	2.497	2.471	1.1	29.52	23.63	2.15	0.84	4.902	0.683
	S9	2.529	2.468	2.5	28.95	23.91	2.14	0.66	6.056	0.641
	S10	2.491	2.430	2.5	23.15	21.50	2.04	0.99	5.914	0.691
C	S1	2.606	2.573	1.3	66.69	86.33	2.59	1.64	47.852	0.536
	S2	2.536	2.531	0.2	45.66	55.16	2.37	1.45	52.615	0.632
	S3	2.518	2.515	0.1	40.34	44.70	2.31	1.51	58.655	0.655
	S4	2.520	2.551	−1.2	53.89	51.51	2.47	2.93	37.318	0.654
	S5	2.535	2.543	−0.3	50.57	61.12	2.43	1.78	51.232	0.633
	S6	2.518	2.540	−0.9	49.04	48.40	2.41	2.68	44.657	0.656
	S7	2.532	2.542	−0.4	50.05	68.01	2.42	2.45	56.590	0.637
	S8	2.549	2.546	0.1	51.67	67.11	2.44	2.52	43.539	0.614
	S9	2.520	2.535	−0.6	47.18	44.12	2.39	3.59	37.868	0.652
	S10	2.549	2.506	1.7	37.60	48.01	2.27	1.43	45.801	0.614

Note. is the value of the statistical constant; is the uniformity coefficient of the PSD curve; is the curvature coefficient of the PSD curve.