soils proficiency testing round 7 dry density,...

Report No. 582

SOILS PROFICIENCY TESTING

ROUND 7

Dry Density, Moisture Content, Liquid Limit, Plastic Limit,

Plasticity Index & Linear Shrinkage

August 2008

ACKNOWLEDGMENTS

PTA wishes to gratefully acknowledge the technical assistance & samples provided for this program by Mr Peter Sheen of Testrite Laboratories Pty Ltd. This assistance included providing input into the design of the program, technical advice, sample supply, homogeneity testing and technical commentary of the final report.

© COPYRIGHT PROFICIENCY TESTING AUSTRALIA 2008

P O Box 7507 Silverwater NSW 2128 AUSTRALIA

CONTENTS

1. Foreword............................................................................................................................1

2. Program Features and Design...........................................................................................1

3. Statistical Format ...............................................................................................................2

4. PTA and Technical Advisers’ Comments ..........................................................................4

5. Outlier Results ...................................................................................................................4

6. Reference ..........................................................................................................................5

APPENDIX A – Results & Data Analysis

Oversize Material…………………...………………………………………………………………A1

Dry Density...…………………….…..…………………………...………………………………...A2

Moisture Content …..………………….…..…………………………...…………………………..A3

Liquid Limit …………………………….…..…………………………...…………………………..A4

Plastic Limit………………………………………………………………………………………….A5

Plasticity Index .……………………………………………………………………………………..A6

Linear Shrinkage……….……………………………………………………………………..…….A7

APPENDIX B – Sample Homogeneity

Homogeneity Testing ………………………………………………………….…………………… B1 APPENDIX C – Documentation

Instructions to Participants …………………………………………………………………………C1

Results Sheet………………………………………………………………………………………...C2

1

1. Foreword

This report summarises the results of a proficiency testing program on selected tests of a soil. The exercise was conducted in June 2008 by the Proficiency Testing Australia (PTA), and was coordinated by Michael Li and Ray Sultan. The main aim of the program was to assess the competency of participating laboratories in performing the prescribed analyses.

2. Program Features and Design 2.1 A code number was randomly allocated to each participant. All reference to the

participants in this report is via the code numbers they were allocated, thus ensuring the confidential treatment of results. Where a laboratory has reported more than one set of results, their code number will appear with a corresponding letter for each set of results.

2.2 Laboratories were provided with the "Instructions to Participants" and "Results Sheet"

(see Appendix C). Laboratories were requested to perform the tests according to their routine methods.

2.3 Participants were provided with approx one 15Kg soil sample for testing.

Laboratories were asked to perform the following analyses (see Appendix C):

Dry Density, Moisture Content, Oversize Material, Liquid Limit, Plastic Limit, Plasticity Index and Linear Shrinkage.

2.4 A total of 147 laboratories received samples (one Lab received 3 samples) 5

laboratories did not return results by the due date. 2.5 Results (as reported by participants) with corresponding summary statistics (i.e.

number of results, median, normalised interquartile range, minimum, maximum and range) are presented in Appendix A (for each of the analyses performed by each method).

2.6 A robust statistical approach, using z-scores, was utilised to assess laboratories’

testing performance. Robust z-scores, z-score charts relevant to each test and method are presented in Appendix A.

The document entitled Guide to PTA Proficiency Testing, Jan 2006 (reference [1]) defines the statistical terms and details the statistical procedures referred to in this report.

2.7 A tabulated listing of laboratories (by code number) identified as having outlier results

can be found on page 4.

2

2.8 Prior to sample distribution, a number of randomly selected samples were analysed for homogeneity. Based on the results of this testing (see Appendix B) it was considered that the samples utilised for this program were homogenous. As such, any results later identified as extreme could not be attributed to any significant sample variability.

3. Statistical Format

For each test, where appropriate, the following information is given:

- a table of results and calculated z-scores;

- a list of summary statistics;

- ordered z-score charts;

3.1 Outlier Results and Z-scores In order to assess laboratories’ testing performance, a robust statistical approach,

using z-scores, was utilised. Z-scores give a measure of how far a result is from the consensus value (i.e. the median), and gives a "score" to each result relative to the other results in the group.

A z-score close to zero indicates that the result agrees well with those from other

laboratories. Whereas, a z-score with an absolute value greater than three is considered to be an outlier and is marked by the symbol “§”.

Each determination was examined for outliers with all methods pooled. Please see

reference [1] for details on how these z-scores are calculated. 3.2 Results Tables and Summary Statistics Each of these tables contains the results returned by each laboratory, including the

code number for the method used, and the robust z-score calculated for each result. Results have been entered exactly as reported by participants. That is, laboratories

which did not report results to the precision (i.e. number of significant figures) requested on the Results Sheet have not been rounded to the requested precision before being included in the statistical analysis.

A list of summary statistics appears at the bottom of each of the tables of results and consists of: - the number of results for that test/sample (No. of Results); - the median of these results, i.e. the middle value (Median); - the normalised interquartile range of the results (Normalised IQR); - the robust coefficient of variation, expressed as a percentage (Robust CV) - i.e. 100

x Normalised IQR / Median; - the minimum and maximum laboratory results; and - the range (Maximum - Minimum).

3

The median is a measure of the centre of the data. The normalised IQR is a measure of the spread of the results. It is calculated by multiplying the interquartile range (IQR) by 0.7413, a factor which converts the IQR to an estimate of the standard deviation. The IQR is the difference between the upper and lower quartiles (i.e. the values above and below which a quarter of the results lie, respectively).

Please see reference [1] for further details on these robust summary statistics. The following summary statistics Table A provides a summary about the results for the program.

TABLE A – SUMMARY STATISTICS

3.3 Ordered Z-Score Charts On these charts each laboratory's robust z-score is shown, in order of magnitude, and

is marked with its code number. From these charts, each laboratory can readily compare its performance relative to the other laboratories.

These charts contain solid lines at +3 and -3, so that outliers are clearly identifiable

as those laboratories whose "bar" extends beyond these "cut-off" lines. The y-axis of these charts has been limited, so very large z-scores appear to extend beyond the chart boundary.

Analysis Median Normalised IQR Robust CV Number or

Results Dry Density (0.001 t/m³) 2.2610 0.0419 1.85% 134

Moisture Content (0.1%) 9.05 1.61 17.82% 134

Liquid Limit (%) 24.00 1.48 6.18% 137

Plastic Limit (%) 16.00 0.74 4.63% 136

Plasticity Index (%) 8.00 1.48 18.53% 136

Linear Shrinkage (%) 4.80 0.74 15.44% 135

4 4. Outlier Results

Laboratories reporting outlier results are listed in the following table:

Lab Code

Dry Density (0.001t/m³)

Moisture

Content (0.1%)

Liquid Limit (%) Plastic Limit (%)

Plasticity Index

(%) Linear

Shrinkage (%)

1 §

4 §

7 §

10 §

36 §

41 § §

65 § §

87 §

102 §

109 §

119 §

121 §

126 § §

132 §

145 §

146 §

148 §

152 §

A “§” indicates the occurrence of a z-score outlier result (i.e. those results for which |z-score|>3).

PTA AND TECHNICAL ADVISER’S COMMENTS

5. Oversize material

Most labs reported 1.0% followed by 0% as a percentage of oversize material. Two labs reported 2.0% and many did not report a value at all. There are two labs that did not round off to the nearest 1% and they are labs 90 (0.7%) and 129 (0.4%). Dry Density

One Outlier was recorded for this test. Lab Code 152 has a Z score of 4.30 and it is the only outlier for this test.

5 Liquid Limit Labs 41 and 65 reported outliers for this test. Lab 41 indicates operator training may be required. Lab 65 is marginally outside the

acceptable Z-Score limit; however this maybe considered within accuracy of Australian Standard Test Methods.

Plastic Limit

This test resulted in there being 10 outliers which therefore has the most number of outliers for any one test in this program. Only lab 126 in this test that has more than one (ie 2) outliers. The plastic limit is the more difficult condition to arrive at, when comparing this to the liquid limit test.

Plasticity Index

This test is simply a calculation that is the difference between the Liquid Limit (LL) value and the Plastic Limit (PL) value i.e. LL - PL. Three lab codes were recorded to have an outlier for this test and they have outliers in the LL and PL tests. Because this is a calculation involving PL with 10 outliers, more than 3 outliers could of occurred for PI. Linear Shrinkage Lab 1 results suggest an error in measurement. Labs 7, 87, 102 and 119 are marginally outside the acceptable Z-Score limits however they maybe considered within accuracy of the Australian Standard test method.

6. Reference

[1] Guide to Proficiency Testing Australia 2008.

This document can be found on the PTA Website at www.pta.asn.au under

program documents.

[2] Australian Standard AS 1012.9:1999, Methods of testing soils for engineering Purposes.

Method 5.1.1: Soil classification tests. [3] Australian Standard AS 1289.5.1.1:2003, Methods of testing soils for engineering purposes.

Method 5.1.1: Soil compaction and density tests.

APPENDIX A

Results & Data Analysis

A 1.1

Oversize Material

Lab Code Oversize Material

(nearest 1%) Method Lab Code

Oversize Material

(nearest 1%) Method

1 1 ASTM D 698-009 61 1.0 2 see commentary 62 3 63 4 0 AS1289.5.1.1 65 1 AS1289.5.1.1

5 2 AS1289.5.1.1 (CLAUSE 4(B) 66 1

6 1 1289.5.1.1 67 1 RTA T105 7 0.0 AS1289.5.1.1 68 1 RTA T111 8 0 69 0 9 0 AS1289.5.1.1 70 1 AS1289.5.1.1

10 <1 72 1.0 RTA T106 11 0 AS1289.5.4.1 73 1 AS1289.5.1.1 12 <1, (0.4%) AS1289.5.1.1 75 1 AS1289.5.1.1

13A 1 AS1289.5.1.1 76 1 AS1289.5.1.1 13B 1 AS1289.5.1.1 77 1.0 AS1289.5.1.1 13C 1 AS1289.5.1.1 78 1 Q103B 14 79 0 AS1289.5.1.1 15 0 AS1289.5.1.1 80 1 17 0 AS1289.5.1.1 81 1 AS1289.5.1.1 18 1 AS1289 5.1.1 82 1 AS1289 5.1.1 19 0 T111 83 1.0 20 0 AS1289 5.1.1 84 0 RTA T111 21 0 AS1289.5.4.1 85 0 22 86 0 AS1289.5.1.1 23 0% AS1289 5.1.1 87 1

24 0 AS1289.1.1 and AS1289.5.1.1 88 0 AS1289 5.1.1

25 0 AS1289.5.1.1 89 0 AS1289.5.1.1 26 0 AS1289.3.6.1-1995 90 0.7 AS1289 5.4.1 27 1.0 AS1289.5.1.1 92 1.0 AS1289.5.1.1, 2.1.1 28 1.0 AS1289.5.4.1 93 1 AS1289.5.1.1 29 1 BLANK 94 1 AS1289.5.1.1 30 1 AS1289.5.4.1 95 0 1289.5.1.1 31 AS1289.5.1.1 96 1.0 32 1 97 1 AS1289 5.1.1 33 1 AS1289 5.1.1 98 N/A N/A 34 1 AS1289.5.1.1 99 NIL RTA T111 35 0 AS1289.5.4.1 100 1 AS1289.5.1.1 36 0 AS1289 5.1.1 102 1 AS1289.5.1.1 37 1 AS1289 5.1.1 104 1 AS1289 5.1.1 38 105 1 AS1289 5.1.1 39 0.0 AS1289.2.1.1 106 1 AS1289.5.4.1 40 0 AS1289.5.1.1 107 2 AS1289 5.1.1 41 0 108 1.0 1289.5.1.1 42 1 109 1 1289.5.1.1 43 1 110 0 AS1289 5.4.1 44 1 135 1 BLANK 45 1 AS1289 5.1.1 136 1 AS1289.5.4.1 46 1 AS1289.5.1.1 138 1 AS1289.5.1.1 48 0 139 1 AS1289 49 1 AS1289.5.4.1 141 0 AS1289.5.1.1 50 0 142 0 AS1289.5.1.1 51 1 Q111B 143 0 AS1289.5.1.1 52 0 Q111B 144 1 AS1289.5.4.1 53 1 AS1289.5.1.1 145 54 0.0 AS1289.5.1.1 146 1 AS 1289.5.4.1 55 148 1 AS1289 5.1.1 56 1 AS1289.5.1.1 149 1 AS1289 57 0 OTHER 150 1 AS1289.5.1.1 58 1.0 AS1289.5.1.1 151 0 RTA T111 59 0 AS1289.5.1.1 2003 152 1 Q103A 60

A 2.1


Lab Code

Results Robust Z-Score

Method

1 2.274 0.31 ASTM D 698-009 2 see commentary 3 BLANK 4 2.271 0.24 AS1289.5.1.1 5 2.192 -1.65 AS1289.5.1.1 6 2.273 0.29 1289.5.1.1 7 2.290 0.69 AS1289 5.1.1, 2.1.1 8 2.229 -0.76 AS1289.5.5.1 9 2.243 -0.43 AS1289.5.1.1 10 2.330 1.65 AS1289.5.1.1 11 2.330 1.65 AS1289.5.1.1 12 2.167 -2.24 AS1289.5.1.1

13A 2.309 1.15 AS1289.5.1.1 13B 2.244 -0.41 AS1289.5.1.1 13C 2.199 -1.48 AS1289.5.1.1 14 2.270 0.21 AS12895.1.1 15 2.291 0.72 AS1289.5.1.1 17 2.281 0.48 AS1289.5.1.1 18 2.202 -1.41 AS1289 5.1.1 19 2.253 -0.19 T111 20 2.156 -2.51 AS1289 5.1.1 21 2.300 0.93 AS1289.5.1.1 22 BLANK 23 2.247 -0.33 AS1289 5.1.1 24 2.195 -1.58 AS1289.5.1.1 25 2.253 -0.19 AS1289.5.1.1 26 2.263 0.05 AS1289.5.1.1-2003 27 2.293 0.76 AS1289.5.1.1 28 2.30 0.93 AS:1289.5.1.1 29 2.291 0.72 AS1289.5.1.1 30 2.252 -0.21 AS1289 .5.1.1 31 2.292 0.74 AS1289.5.1.1 32 2.281 0.48 AS1289.5.1.1 33 2.277 0.38 AS1289.5.1.1 34 2.279 0.43 AS1289.5.1.1 35 2.250 -0.26 AS1289.5.1.1 36 2.291 0.72 AS1289 5.1.1 37 2.230 -0.74 AS1289 5.1.1 38 2.195 -1.58 AS1289.5.1.1 39 not performed 40 2.309 1.15 AS1289.5.1.1 41 2.260 -0.02 AS1289 5.2.1 42 2.253 -0.19 AS1289.5.1.1 43 2.272 0.26 AS1289 5.1.1 44 2.300 0.93 5.1.1 45 2.174 -2.08 AS1289 5.1.1 46 2.274 0.31 AS1289.5.1.1 48 2.247 -0.33 AS1289.5.1.1 49 2.256 -0.12 AS1289.5.1.1 50 2.270 0.21 AS1289 5.1.1 51 2.310 1.17 Q110A 52 2.230 -0.74 Q110A 53 2.255 -0.14 AS1289.5.1.1

A 2.2


Lab Code Results Robust

Z-Score Method

54 2.232 -0.69 AS1289.5.1.1 55 BLANK BLANK 56 2.307 1.10 AS1289.5.1.1 (2003) 60 2.170 -2.17 Q110A 61 2.31 1.17 AS1289.5.1.1 62 2.180 -1.93 Q110A 63 LEFT BLANK LEFT BLANK 65 2.287 0.62 AS1289.5.1.1 66 2.278 0.41 Q110A 67 2.279 0.43 RTA T111 68 2.276 0.36 RTA T111 69 2.220 -0.98 AS1289.5.1.1 70 2.232 -0.69 AS1289.5.1.1 72 2.285 0.57 AS1289.5.1.1 73 2.285 0.57 AS1289.5.1.1 75 2.252 -0.21 AS1289.5.1.1 76 2.321 1.43 AS1289.5.1.1, 2.1.1 77 2.263 0.05 AS1289.5.1.1 78 2.224 -0.88 Q110A 79 2.213 -1.15 AS1289.5.1.1 80 2.275 0.33 RTA T111 81 2.200 -1.46 AS1289.5.1.1 82 2.173 -2.10 AS1289 5.1.1 83 2.194 -1.60 5.1.1 84 2.278 0.41 RTA T111 85 2.233 -0.67 AS1289.5.1.1 86 2.275 0.33 AS1289.5.1.1 87 2.236 -0.60 AS1289.5.1.1 88 2.276 0.36 AS1289 5.1.1 89 2.281 0.48 AS1289.5.1.1 90 2.261 0.00 AS1289 5.1.1 92 2.180 -1.93 AS1289.5.1.1, 2.1.1 93 2.322 1.46 AS1289.5.1.1 94 2.162 -2.36 AS1289.5.1.1 95 2.317 1.34 1289.5.1.1 96 2.352 2.17 AS1289.5.1.1 97 2.250 -0.26 AS1289.5.1.1 98 N/A N/A 99 2.241 -0.48 RTA T111

100 2.226 -0.84 AS1289.5.1.1 102 2.260 -0.02 AS1289.5.1.1 104 2.30 0.93 AS1289 5.1.1 105 2.340 1.89 AS1289 5.1.1 106 2.214/8.2 ONC -1.12 AS1289.5.1.1 107 2.252 -0.21 AS1289 5.1.1/2.1.1 108 2.259 -0.05 1289.5.1.1 109 2.365 2.48 1289.5.1.1 110 2.309 1.15 AS1289 5.1.1 111 2.228 -0.79 AS1289.5.1.1 112 2.223 -0.91 AS12895.5.1.1 113 2.228 -0.79 AS1289.5.1.1 114 2.186 -1.79 AS1289 5.1.1 115 2.348 2.08 AS1289.5.1.1 116 2.252 -0.21 AS1289.5.1.1 117 2.252 -0.21 AS1289.5.1.1 118 2.265 0.10 AS1289.5.1.1

A 2.3



Z-Score Method

119 2.277 0.38 AS1289.5.1.1 120 2.331 1.67 AS1289 5.1.1 121 2.281 0.48 AS1289 5.1.1 122 2.269 0.19 AS1289.5.1.1 123 2.213 -1.15 AS1289 5.1.1 124 2.24 -0.50 RTA T111 125 2.287 0.62 Q110A 126 2.321 1.43 BLANK 127 2.282 0.50 AS1289.5.1.1 128 2.300 0.93 AS1289.5.1.1 129 2.31 1.17 AS 130 2.256 -0.12 AS12895.1.1 131 AS1289 5.1.1 132 2.248 -0.31 AS1289 5.1.1 133 2.283 0.53 AS1289.5.1.1 134 2.230 -0.74 AS1289.5.1.1 135 2.261 0.00 AS1289.5.1.1 136 2.23 -0.74 AS1289.5.1.1 138 2.264 0.07 AS1289 5.1.1 139 2.292 0.74 AS 5.1.1 141 2.273 0.29 1289.5.1.1 142 2.212 -1.17 AS1289.5.1.1,AS1289.2.1.1 143 2.240 -0.50 AS1289 5.1.1 144 2.221 -0.96 AS1289.5.1.1 145 2.250 -0.26 AS1289.5.1.1 146 2.250 -0.26 AS1289.5.1.1 148 2.186 -1.79 AS1289.5.1.1 149 BLANK 150 2.245 -0.38 AS1289 5.1.1 151 2.231 -0.72 AS1289 5.1.1 152 2.441 4.30 § BS1377 PART4: CLAUSE 3.5 1990

134 2.2610 0.0419 1.85% 2.156 2.441

No. of Results Median Norm IQR CV Min Max Range 0.285

A 3.1 Moisture Content (0.1%)

Lab Code


Method

1 8.7 -0.22 ASTM D 698-009 2 see commentary 3 BLANK 4 7.3 -1.09 AS1289.2.1.1 5 6.3 -1.71 AS1289.5.1.1,AS1289.2.1.1 6 9.0 -0.03 1289.5.1.1 7 11.2 1.33 AS1289 5.1.1, 2.1.1 8 11.2 1.33 9 9.4 0.22 AS1289.2.1.1 10 7.7 -0.84 BLANK 11 8.8 -0.16 BLANK 12 5.6 -2.14 AS1289.5.1.1

13A 6.8 -1.40 AS1289.5.1.1 13B 8.6 -0.28 AS1289.5.1.1 13C 6.9 -1.33 AS1289.5.1.1 14 BLANK 15 10.2 0.71 AS1289.2.1.1 17 5.5 -2.20 AS1289.2.1.1 18 8.5 -0.34 AS1289.2.1.1 19 8.5 -0.34 T111 20 10.1 0.65 AS1289 5.1.1 21 9.7 0.40 AS1289.2.1.1 22 BLANK 23 10.0 0.59 AS1289 5.1.1 24 6.5 -1.58 AS1289.2.1.1 25 9.7 0.40 AS1289.5.1.1 26 9.8 0.47 AS1289.2.1.1-2005 27 4.4 -2.88 AS1289.2.1.1 28 8.0 -0.65 AS:1289.2.1.1 29 9.4 0.22 AS1289.5.1.1,AS1289.2.1.1 30 7.6 -0.90 AS1289 2.1.1 31 12.0 1.83 AS1289.2.1.1 32 4.4 -2.88 AS1289.2.1.1 33 8.5 -0.34 AS1289 2.1.1 34 4.3 -2.95 AS1289.2.1.1 35 10.5 0.90 AS1289.2.1.1 36 9.3 0.16 AS1289 5.1.1 37 7.1 -1.21 AS 1289.5.1.1 38 8.8 -0.16 AS1289.2.1.1 39 4.4 -2.88 AS1289.2.1.1 40 6.1 -1.83 AS1289.5.1.1 41 10.8 1.09 AS1289 5.1.1 42 9.8 0.47 BLANK 43 8.6 -0.28 AS1289 2.1.1 44 10.0 0.59 5.1.1 45 8.7 -0.22 AS1289 2.1.1 46 9.3 0.16 AS1289.5.1.1 48 10.9 1.15 AS1289.2.1.1 49 10.0 0.59 AS1289.5.1.1 50 9.5 0.28 AS1289 2.1.1 51 9.6 0.34 Q102A

A 3.2

Moisture Content (0.1%)


Z-Score Method

52 11.5 1.52 Q1102 53 10.3 0.78 AS1289.5.1.1 54 5.5 -2.20 AS1289.2.1.1 55 BLANK 56 9.2 0.09 AS1289.2.1.1 (2005) 57 6.9 -1.33 AS1289.2.1.1 58 5.1 -2.45 AS1289 2.1.1 59 10.0 0.59 AS1289.2.1.1 60 9.1 0.03 Q102A 61 8.0 -0.65 AS1289.2.1.1 62 7.9 -0.71 Q102A 63 LEFT BLANK 65 10.8 1.09 AS1289.5.1.1 66 7.1 -1.21 Q110A 67 9.3 0.16 RTA T120 68 10.5 0.90 RTA T111 69 8.0 -0.65 AS1289.2.1.1 70 9.0 -0.03 AS1289.2.1.1 72 10.0 0.59 AS1289.5.1.1 73 7.7 -0.84 AS1289.2.1.1 75 9.3 0.16 AS1289.2.1.1 76 9.6 0.34 AS1289.5.1.1, .2.1.1 77 9.5 0.28 AS1289.5.1.1 78 10.9 1.15 Q110A 79 8.1 -0.59 AS1289.5.1.1 80 11.2 1.33 RTA T120 81 5.5 -2.20 AS1289.2.1.1 82 4.3 -2.95 AS1289 2.1.1 83 6.9 -1.33 2.1.1 84 9.4 0.22 RTA T111 85 8.3 -0.47 AS1289.5.1.1 86 9.6 0.34 AS1289.5.1.1 87 7.5 -0.96 AS1289.2.1.1 88 9.4 0.22 AS1289 5.1.1 89 10.1 0.65 AS1289.2.1.1 90 10.5 0.90 AS1289 2.1.1 92 8.3 -0.47 AS1289.5.1.1, 2.1.1 93 9.8 0.47 AS1289.2.1.1 94 8.0 -0.65 AS1289.2.1.1 95 9.5 0.28 1289.5.1.1 96 9.2 0.09 T120 97 7.0 -1.27 AS1289 2.1.1 98 N/A 99 10.7 1.02 RTA T120

100 6.5 -1.58 AS1289.2.1.1 102 9.9 0.53 AS1289.2.1.1 104 9.0 -0.03 AS1289 5.1.1 105 9.7 0.40 AS1289 5.1.1 106 5.2 -2.39 AS1289.2.1.1 107 8.0 -0.65 AS1289 5.1.1/2.1.1 108 7.1 -1.21 1289.2.1.1 109 9.0 -0.03 1289.5.1.1 110 10.6 0.96 AS1289 2.1.1

A 3.3



Z-Score Method

111 5.9 -1.95 AS1289.2.1.1 112 10.1 0.65 AS1289.2.1.1 113 8.2 -0.53 AS1289.5.1.1 114 8.8 -0.16 AS1289.2.1.1 115 9.8 0.47 AS1289.5.1.1 116 7.6 -0.90 AS1289.5.1.1 117 7.4 -1.02 AS1289.2.1.1 118 9.4 0.22 AS1289.5.1.1 119 9.5 0.28 AS1289.2.1.1 120 9.4 0.22 1289.2.1.1 121 10.8 1.09 AS1289 5.1.1 122 8.8 -0.16 2.1.1 123 8.5 -0.34 AS1289 2.1.1 124 9.5 0.28 RTA T120 125 7.9 -0.71 Q102A 126 13.1 2.51 BLANK 127 9.4 0.22 AS1289.5.1.1, AS1289.2.1.1 128 9.3 0.16 AS1289.2.1.1 129 10.5 0.90 AS 130 11.0 1.21 AS12895.1.1 131 AS1289 2.1.1 132 11.2 1.33 AS1289 5.1.1 133 10.2 0.71 AS1289.2.1.1 134 8.1 -0.59 AS1289.5.1.1 135 9.6 0.34 AS1289.5.1.1 136 10.0 0.59 AS1289.2.1.1 138 10.0 0.59 AS1289 5.1.1 139 8.8 -0.16 AS 2.1.1 141 9.6 0.34 1289.2.1.1 142 8.2 -0.53 AS1289.5.1.1, AS1289.2.1.1 143 7.9 -0.71 AS1289 5.1.1 144 6.6 -1.52 AS1289.5.1.1 145 7.4 -1.02 AS1289.2.1.1 146 9.5 0.28 AS1289.5.1.1 148 7.9 -0.71 AS1289.2.1.1 149 BLANK 150 10 0.59 AS1289 2.1.1 151 6.8 -1.40 AS1289 5.1.1 152 7.0 -1.27 BS1377 PART4: CLAUSE 3.5 1990

No. of Results 134 Median 9.05 Norm IQR 1.61 CV 17.82% Min 4.3 Max 13.1 Range 8.80

A 4.1

Liquid Limit (%)


Z-Score Method

1 23 -0.67 ASTM D4318:2005 2 22.6 -0.94 WA 120.2 3 22.9 -0.74 AS1289.3.1.1 4 25 0.67 AS1289.3.1.1 5 27 2.02 AS1289.3.1.1 6 26.0 1.35 1289.3.9.1 7 20 -2.70 AS1289 3.1.1 8 22 -1.35 AS1289.3.1.1 9 27 2.02 AS1289.3.1.1 10 22 -1.35 AS1289.3.1.1 11 26 1.35 AS1289.3.1.1 12 26 1.35 AS1289.3.1.1

13A 21 -2.02 AS1289.3.1.1 13B 25 0.67 AS1289.3.1.1 13C BLANK 14 21 -2.02 12893.1.2 15 25 0.67 12893.1.2 17 24 0.00 AS1289.3.1.1 18 24 0.00 AS1289 3.1.1 19 24 0.00 AS1289.3.1.1 20 24 0.00 AS1289 3.1.1 21 26 1.35 AS1289.3.1.1 22 22 -1.35 AS1289.3.1.1 23 27 2.02 AS1289 3.1.1 24 28 2.70 AS1289.3.1.1 25 26 1.35 AS1289.3.1.1 26 24 0.00 AS1289.3.1.2-1995 27 24 0.00 AS1289.3.1.1 28 24 0.00 AS1289.3.1.1 29 24 0.00 AS1289.3.1.1 30 22 -1.35 AS1289 3.1.1 31 25 0.67 AS1289.3.1.1 32 24 0.00 AS1289.3.1.1 33 25 0.67 AS1289 3.1.1 34 24 0.00 AS1289.3.1.1 35 22 -1.35 AS1289.3.1.1 36 23 -0.67 AS1289 3.1.1 37 25 0.67 AS1289 3.1.1 38 23 -0.67 AS1289.3.1.1 39 25.0 0.67 AS1289.1.1 40 22 -1.35 AS1289.3.1.1 41 33 6.07 § AS1289 3.1.1 42 27 2.02 AS1289.3.1.1 43 25 0.67 AS1289 3.1.1 44 24 0.00 3.1.1 45 24 0.00 AS1289 3.1.1 46 25 0.67 AS1289.3.1.1 48 23 -0.67 AS1289.3.1.1 49 25 0.67 AS1289.3.1.1 50 25 0.67 AS1289 3.1.1 51 24.0 0.00 Q104A 52 21.8 -1.48 Q104A

A 4.2 Liquid Limit (%)


Z-Score Method

53 24.0 0.00 AS1289.3.1.1 54 24.4 0.27 Q104A 55 24 0.00 AS1289.3.1.1 56 25.6 1.08 Q104A-1986 57 24 0.00 AS1289.3.1.2 58 22.6 -0.94 Q104D 59 26 1.35 AS1289.3.1.1 1995 60 26.0 1.35 Q104A 61 24.0 0.00 AS1289.3.9.1 62 27.4 2.29 Q104A 63 22.8 -0.81 Q104D 65 19 -3.37 § AS1289.3.1.1 66 24.6 0.40 Q104A 67 23 -0.67 AS1289.3.1.1 68 27 2.02 AS1289.3.1.1 PREP 1289.1.1 CL 5.3.2 69 26 1.35 AS1289.3.9.1 70 25.2 0.81 MAIN ROADS QLD Q104A 72 25.0 0.67 AS1289.3.1.1 73 23.6 -0.27 Q104A 75 24 0.00 AS1289.3.1.1 76 25 0.67 AS1289.3.1.1 77 23 -0.67 AS1289.3.1.1 78 23.8 -0.13 Q104A 79 23 -0.67 AS1289.3.1.1 80 24 0.00 RTA T108 81 24 0.00 AS1289.3.1.1 82 23 -0.67 AS1289 3.1.1 83 25.4 0.94 3.1.1 84 24 0.00 1289.3.1.1 85 24 0.00 AS1289.3.1.1 86 25 0.67 AS1289.3.1.1 87 24 0.00 AS1289.3.1.2 88 23 -0.67 AS1289 3.9.1 89 23.4 -0.40 Q104A 90 27.42 2.31 AS1289.3.9.1 92 25 0.67 3.1.2 93 24.2 0.13 Q104A 94 BLANK 95 22 -1.35 1289.3.1.1 96 22 -1.35 AS1289.3.1.1 97 28 2.70 AS1289 3.1.1 98 22 -1.35 AS1289.3.1.1 99 23 -0.67 AS1289.3.1.1

100 28 2.70 AS1289.3.1.1 102 23 -0.67 AS1289.3.1.1 104 BLANK 105 26 1.35 AS1289 3.1.1 106 24 0.00 AS1289.3.1.1 107 25 0.67 AS1289 3.1.1 108 22.8 -0.81 1289.3.1.1 109 28.0 2.70 1289.3.9.1 110 26 1.35 AS1289 3.1.1 111 insufficient material

A 4.3 Liquid Limit (%)


Z-Score Method

112 AS1289.3.1.1 113 26.0 1.35 AS1289.3.9.1 114 23 -0.67 AS1289.3.1.1 115 23 -0.67 AS1289.3.1.2 116 24 0.00 3.1.1 117 24 0.00 AS1289.3.1.1 118 27 2.02 AS1289.3.1.1 119 22.0 -1.35 Q104D 120 24.8 0.54 Q104A 121 23 -0.67 AS1289 3.1.2 122 26 1.35 AS1289.3.1.1 123 24 0.00 AS1289.3.1.1 124 23 -0.67 AS1289 3.1.1 125 22.8 -0.81 Q104A 126 22 -1.35 BLANK 127 24 0.00 AS1289.3.1.1 128 24 0.00 AS1289.3.1.1 129 24.0 0.00 AS 130 22 -1.35 AS12893.1.1 131 22 -1.35 AS 1289 3.1.1 132 25.0 0.67 AS1289 3.1.1 133 26 1.35 AS1289.3.1.1 134 23 -0.67 AS1289.3.1.1 135 23 -0.67 AS1289.3.1.1 136 25 0.67 AS1289.3.1.1 138 N/A 139 23.77 -0.16 A 3.1.1 141 25 0.67 1289.3.1.1 142 24 0.00 AS1289.3.1.1 143 23 -0.67 AS1289 3.1.1 144 22 -1.35 AS1289.3.1.1 145 22 -1.35 AS1289.3.1.2 146 23 -0.67 AS1289.3.1.1 148 25 0.67 AS1289.3.1.1 149 23.4 -0.40 AS1289.3.1.1 150 23 -0.67 AS1289 3.1.1 151 24 0.00 AS1289 3.1.1 152 22 -1.35 BS1377 PART2: CLAUSE 4.5 85.0: 1990


A 5.1 Plastic Limit (%)

Lab Code

Results

Robust Z-Score Method

1 16 0.00 ASTM D4318:2005 2 15.2 -1.08 WA 120.1 3 14.3 -2.29 AS1289.3.2.1 4 13 -4.05 § AS1289.3.2.1 5 17 1.35 AS1289.3.2.1 6 17.0 1.35 1289.3.2.1 7 14 -2.70 AS1289 3.2.1 8 15 -1.35 AS1289.3.2.1 9 16 0.00 AS1289.3.2.1 10 13 -4.05 § AS1289.3.2.1 11 16 0.00 AS1289.3.2.1 12 17 1.35 AS1289.3.2.1

13A 16 0.00 AS1289.3.2.1 13B 17 1.35 AS1289.3.2.1 13C BLANK 14 14 -2.70 12893.2.1 15 16 0.00 12893.2.1 17 15 -1.35 AS1289.3.2.1 18 16 0.00 AS1289 3.2.1 19 15 -1.35 AS1289.3.2.1 20 16 0.00 AS1289 3.2.1 21 15 -1.35 AS1289.3.2.1 22 15 -1.35 AS1289.3.2.1 23 16 0.00 AS1289 3.2.1 24 16 0.00 AS1289.3.2.1 25 17 1.35 AS1289.3.2.1 26 15 -1.35 AS1289.3.2.1-1995 27 17 1.35 AS1289.3.2.1 28 17 1.35 AS:1289.3.2.1 29 14 -2.70 AS1289.3.2.1 30 16 0.00 AS1289 3.2.1 31 16 0.00 AS1289.3.2.1 32 17 1.35 AS1289.3.2.1 33 17 1.35 AS1289 3.2.1 34 17 1.35 AS1289.3.2.1 35 17 1.35 AS1289.3.2.1 36 11 -6.74 § AS1289 3.2.1 37 17 1.35 AS1289 3.2.1 38 16 0.00 AS1289.3.2.1 39 15 -1.35 AS1289.3.2.1 40 15 -1.35 AS1289.3.2.1 41 16 0.00 AS1289 3.2.1 42 17 1.35 AS1289.3.2.1 43 17 1.35 AS1289 3.2.1 44 18 2.70 3.2.1 45 17 1.35 AS1289 3.2.1 46 16 0.00 AS1289.3.2.1 48 16 0.00 AS1289.3.2.1 49 15 -1.35 AS1289.3.2.1 50 17 1.35 AS1289 3.2.1 51 18.2 2.97 Q105 52 17.0 1.35 Q105



Z-Score Method 53 17.0 1.35 AS1289.3.2.1 54 14.8 -1.62 Q105 55 17 1.35 AS1289.3.2.1 56 17.0 1.35 Q105-1987 57 17 1.35 AS1289.3.2.1 58 14.0 -2.70 Q105 59 17 1.35 AS1289.3.2.1 1995 60 18.0 2.70 Q105 61 17.0 1.35 AS1289.3.2.1 62 17.6 2.16 Q105 63 17.4 1.89 Q105 65 17 1.35 AS1289.3.2.1 66 16.8 1.08 Q105 67 16 0.00 AS1289.3.2.1 68 17 1.35 AS1289.3.2.1 PREP 1289.1.1 CL 5.3.2 69 17 1.35 AS1289.3.2.1 70 16.8 1.08 MAIN ROADS QLD Q105 72 17.0 1.35 AS1289.3.2.1 73 17.2 1.62 Q105 75 18 2.70 AS1289.3.2.1 76 16 0.00 AS1289.3.2.1 77 16 0.00 AS1289.3.2.1 78 15.4 -0.81 Q105 79 17 1.35 AS1289.3.2.1 80 16 0.00 RTA T109 81 17 1.35 AS1289.3.2.1 82 16 0.00 AS1289 3.2.1 83 16.8 1.08 3.2.1 84 16 0.00 1289.3.2.1 85 18 2.70 AS1289.3.2.1 86 16 0.00 AS1289.3.2.1 87 18 2.70 AS1289.3.2.1 88 14 -2.70 AS1289 3.2.1 89 17.4 1.89 Q105 90 16.55 0.74 AS1289 3.2.1 92 18 2.70 3.2.1 93 17.2 1.62 Q105 94 BLANK 95 16 0.00 1289.3.2.1 96 16 0.00 AS1289.3.2.1 97 17 1.35 AS1289 3.2.1 98 14 -2.70 AS1289.3.2.1 99 16 0.00 AS1289.3.2.1

100 17 1.35 AS1289.3.3.1 102 16 0.00 AS1289.3.2.1 104 BLANK 105 17 1.35 AS1289 3.2.1 106 17 1.35 AS1289.3.2.1 107 16 0.00 AS1289 3.2.1 108 16.9 1.21 1289.3.2.1 109 18.4 3.24 § 1289.3.2.1 110 14 -2.70 AS1289 3.2.1 111 insufficient material



Z-Score Method 112 AS1289.3.2.1 113 16.4 0.54 AS1289.3.2.1 114 17 1.35 AS1289.3.2.1 115 15 -1.35 AS1289.3.2.1 116 16 0.00 3.2.1 117 16 0.00 AS1289.3.2.1 118 17 1.35 AS1289.3.2.1 119 15.8 -0.27 Q105 120 17.2 1.62 Q105 121 19 4.05 § AS1289 3.2.1 122 15 -1.35 AS1289 123 17 1.35 AS1289.3.2.1 124 16 0.00 AS 1289 3.2.1 125 18.1 2.83 Q105 126 19 4.05 § BLANK 127 16 0.00 AS1289.3.2.1 128 18 2.70 AS1289.3.2.1 129 16.0 0.00 AS 130 17 1.35 AS12893.2.1 131 15 -1.35 AS 1289.3.2.1 132 13.5 -3.37 § AS1289 3.2.1 133 16 0.00 AS1289.3.2.1 134 16 0.00 AS1289.3.2.1 135 16 0.00 AS1289.3.2.1 136 17 1.35 AS1289.3.2.1 138 N/A 139 17.85 2.50 3.2.1 141 17 1.35 1289.3.2.1 142 16 0.00 AS1289.3.2.1 143 17 1.35 AS1289 3.2.1 144 16 0.00 AS1289.3.2.1 145 13 -4.05 § AS1289.3.2.1 146 13 -4.05 § AS1289.3.2.1 148 19 4.05 § AS1289.3.2.1 149 15.8 -0.27 AS1289.3.2.1 150 16 0.00 AS1289 3.2.1 151 17 1.35 AS1289 3.2.1 152 BS1377 PART2: CLAUSE 4.5 & 5.0: 1990


A 6.1 Plasticity Index

A 6.2

Lab Code


Method

1 7 -0.67 ASTM D4318:2005 2 7.4 -0.40 WA 122.1 3 8.6 0.40 AS1289.3.3.1 4 12 2.70 AS1289.3.3.1 5 10 1.35 AS1289.3.3.1 6 9.0 0.67 1289.3.3.1 7 6 -1.35 AS1289 3.3.1 8 7 -0.67 AS1289.3.3.1 9 11 2.02 AS1289.3.3.1 10 9 0.67 AS1289.3.3.1 11 10 1.35 AS1289.3.3.1 12 9 0.67 AS1289.3.3.1

13A 5 -2.02 AS1289.3.3.1 13B 8 0.00 AS1289.3.3.1 13C BLANK 14 7 -0.67 12893.3.1 15 9 0.67 12893.3.1 17 9 0.67 AS1289.3.3.1 18 8 0.00 AS1259 3.3.1 19 9 0.67 AS1289.3.3.1 20 8 0.00 AS1289 3.3.1 21 11 2.02 AS1289.3.3.1 22 7 -0.67 AS1289.3.3.1 23 11 2.02 AS1289 3.3.1 24 12 2.70 AS1289.3.3.1 25 9 0.67 AS1289.3.3.1 26 9 0.67 AS1289.3.3.1-1995 27 7 -0.67 AS1289.3.3.1 28 7 -0.67 AS:1289.3.3.1 29 10 1.35 AS1289.3.3.1 30 6 -1.35 AS1289 3.3.1 31 9 0.67 AS1289.3.3.1 32 7 -0.67 AS1289.3.3.1 33 8 0.00 AS1289 3.3.1 34 7 -0.67 AS1289.3.3.1 35 5 -2.02 AS1289.3.3.1 36 12 2.70 AS1289 3.3.1 37 8 0.00 AS1289 3.3.1 38 7 -0.67 AS12859.3.3.1 39 10 1.35 AS1289.3.3.1 40 7 -0.67 AS1289.3.3.1 41 17 6.07 § AS1289 3.3.1 42 10 1.35 AS1289.3.3.1 43 8.0 0.00 AS1289 3.3.1 44 6 -1.35 3.3.1 45 7 -0.67 AS1289 3.3.1 46 9 0.67 AS1289.3.3.1 48 7 -0.67 AS1289.3.3.1 49 10 1.35 AS1289.3.3.1 50 8 0.00 AS1289.3.3.1 51 5.8 -1.48 Q105 52 4.8 -2.16 Q105

Plasticity Index


Z-Score Method

53 7.0 -0.67 AS1289.3.3.1 54 9.8 1.21 Q105 55 7 -0.67 AS1289.3.3.1 56 8.6 0.40 Q105-1987 57 7 -0.67 AS1289.3.3.1 58 8.6 0.40 Q105 59 9 0.67 AS1289.3.3.1 1995 60 8.0 0.00 Q105 61 7.0 -0.67 AS1289.3.3.1 62 9.8 1.21 Q105 63 5.4 -1.75 Q105 65 2 -4.05 § AS1289.3.3.1 66 7.8 -0.13 Q105 67 7 -0.67 AS1289.3.3.1 68 10 1.35 AS1289.3.3.1 PREP 1289.1.1 CL 5.3.269 9 0.67 AS1289.3.3.2 70 8.4 0.27 MAIN ROADS QLD Q105 72 8.0 0.00 AS1289.3.3.1 73 6.4 -1.08 Q105 75 6 -1.35 AS1289.3.3.1 76 9 0.67 AS1289.3.3.1 77 7 -0.67 AS1289.3.3.1 78 8.4 0.27 Q105 79 6 -1.35 AS1289.3.3.1 80 8 0.00 RTA T109 81 7 -0.67 AS1289.3.3.1 82 6 -1.35 AS1289 3.3.1 83 8.6 0.40 3.3.1 84 8 0.00 1289.3.3.1 85 6.0 -1.35 AS1289.3.3.1 86 9 0.67 AS1289.3.3.1 87 6 -1.35 AS1289.3.3.1 88 9 0.67 AS1289 3.3.2 89 6.0 -1.35 Q105 90 10.87 1.94 AS1289 3.3.1 92 7 -0.67 3.3.1 93 7.0 -0.67 Q105 94 BLANK 95 6.0 -1.35 1289.3.3.1 96 8 0.00 AS1289.3.3.1 97 11 2.02 AS1289 3.3.1 98 8 0.00 AS1289.3.3.1 99 7 -0.67 AS1289.3.3.1

100 11 2.02 AS1289.3.3.1 102 7 -0.67 AS1289.3.3.1 104 BLANK 105 9 0.67 AS1289 3.3.1 106 7 -0.67 AS1289.3.3.1 107 9 0.67 AS 1289 3.3.1 108 6.0 -1.35 1289.3.3.1 109 9.6 1.08 1289.3.3.1 110 12 2.70 AS1289 3.3.1 111 insufficient material

A 6.3 Plasticity Index


Z-Score Method

112 AS1289.3.3.1 113 9.6 1.08 AS1289.3.3.2 114 6 -1.35 AS1289.3.3.1 115 8 0.00 AS1289.3.3.1 116 8 0.00 3.3.1 117 8 0.00 AS1289.3.3.1 118 10 1.35 AS1289.3.3.1 119 6.2 -1.21 Q105 120 7.6 -0.27 Q105 121 4 -2.70 AS1289 3.3.1 122 11 2.02 123 7 -0.67 AS1289.3.3.1 124 7 -0.67 AS1289.3.3.1 125 4.7 -2.23 Q105 126 3 -3.37 § BLANK 127 8 0.00 AS1289.3.3.1 128 6 -1.35 AS1289.3.3.1 129 8.0 0.00 AS 130 5 -2.02 AS1289.3.3.1 131 7 -0.67 AS 1289 3.3.1 132 11.5 2.36 AS1289 3.3.1 133 10 1.35 AS1289.3.3.1 134 7 -0.67 AS1289.3.3.1 135 7 -0.67 AS1289.3.3.1 136 8 0.00 AS1289.3.3.1 138 N/A 139 5.92 -1.40 3.3.1 141 8 0.00 1289.3.3.1 142 8 0.00 AS1289.3.3.1 143 6 -1.35 AS1289 3.3.1 144 6 -1.35 AS1289.3.3.1 145 9 0.67 AS1289.3.3.1 146 10 1.35 AS1289.3.3.1 148 6 -1.35 AS1289.3.3.1 149 7.6 -0.27 AS1289.3.3.1 150 7 -0.67 AS1289 3.3.1 151 7 -0.67 AS1289 3.3.1 152 BS1377 PART2: CLAUSE 4.5 85.0: 1990


A 7.1

Linear Shrinkage (0.5%)

A 7.2

Lab Code

Results

Robust Z-Score

Method

1 14.0 12.41 § ASTM D4943:2002 2 2.8 -2.70 WA 123.1 3 5.2 0.54 AS1289.3.4.1 4 4.0 -1.08 AS1289.3.4.1 5 6.0 1.62 AS1289.3.4.1 6 5.0 0.27 1289.3.4.1 7 2.5 -3.10 § AS1289 3.4.1 8 4.0 -1.08 AS1289.3.4.1 9 5.0 0.27 AS1289.3.4.1 10 3 -2.43 AS1289.3.4.1 11 5.0 0.27 AS1289.3.4.1 12 4.5 -0.40 AS1289.3.4.1

13A 4.0 -1.08 AS1289.3.4.1 13B 3.0 -2.43 AS1289.3.4.1 13C BLANK 14 4.5 -0.40 12893.4.1 15 5.0 0.27 12893.4.1 17 4.5 -0.40 AS1289.3.4.1 18 4.5 -0.40 AS1289 3.4.1 19 7.0 2.97 AS1289.3.4.1 20 5.5 0.94 AS1289 3.4.1 21 3.5 -1.75 AS1289.3.4.1 22 4.0 -1.08 AS1289.3.4.7 23 6.5 2.29 AS1289 3.4.1 24 5.0 0.27 AS1289.3.4.1 25 5.5 0.94 AS1289.3.4.1 26 4.5 -0.40 AS1289.3.4.1-1995 27 4.0 -1.08 AS1289.3.4.1 28 4.5 -0.40 AS: 1289.3.4.1 29 5.0 0.27 AS1289.3.4.1 30 4.0 -1.08 AS1289.3.4.1 31 5.0 0.27 AS1289.3.4.1 32 4.5 -0.40 AS1289.3.4.1 33 4.5 -0.40 AS1289 3.4.1 34 4.0 -1.08 AS1289.3.4.1 35 4.0 -1.08 AS1289.3.4.1 36 5.0 0.27 AS1289 3.4.1 37 6.0 1.62 AS1289 3.4.1 38 4.5 -0.40 AS1289.3.4.1 39 4.5 -0.40 AS1289.3.4.1 40 5.0 0.27 AS1289.3.4.1 41 5.0 0.27 AS1289 3.4.1 42 6.0 1.62 AS1289.3.4.1 43 5.0 0.27 AS1289 3.4.1 44 4.0 -1.08 3.4.1 45 4.0 -1.08 AS1289 3.4.1 46 5.0 0.27 AS1289.3.4.1 48 4.5 -0.40 AS1289.3.4.1 49 4.5 -0.40 AS1289.3.4.1 50 3.5 -1.75 AS1289 3.4.1 51 4.4 -0.54 Q106 52 4.3 -0.67 Q106

Linear Shrinkage (0.5%)

Lab Code

Results


53 5.0 0.27 AS1289.3.4.1 54 5.2 0.54 Q106 55 5.0 0.27 AS1289.3.4.1 56 4.5 -0.40 Q106-1989 57 5.0 0.27 OTHER 58 4.1 -0.94 Q106 59 5.0 0.27 AS1289.3.4.1 1995 60 5.5 0.94 Q106 61 4.0 -1.08 AS1289.3.4.1 62 6.0 1.62 Q106 63 5.6 1.08 Q106 65 3.0 -2.43 AS1289.3.4.1 66 5.0 0.27 Q106 67 BLANK 68 6.5 2.29 AS1289.3.4.1 PREP 1289.1.1 CL 5.3.269 5.0 0.27 AS1289.3.4.1 70 6.0 1.62 MAIN ROADS QLD Q106 72 5.0 0.27 AS1289.3.4.1 73 4.5 -0.40 Q106, 4.6 75 3.5 -1.75 AS1289.3.4.1 76 5.0 0.27 AS1289.3.4.1 77 5.5 0.94 AS1289.3.4.1 78 4.0 -1.08 Q106 79 4.0 -1.08 AS1289.3.4.1 80 5 0.27 AS1289.3.4.1 81 6.5 2.29 AS1289.3.4.1 82 6.5 2.29 AS1289 3.4.1 83 5.5 0.94 3.4.1 84 5 0.27 1289.3.4.1 85 5.0 0.27 AS1289.3.4.1 86 5.5 0.94 AS1289.3.4.1 87 2.5 -3.10 § AS1289.3.4.1 88 5.0 0.27 AS1289 3.4.1 89 4.0 -1.08 Q106 90 6.0 1.62 AS1289 3.4.1 92 7.0 2.97 3.4.1 93 5.5 0.94 Q106 94 BLANK 95 4.5 -0.40 1289.3.4.1 96 3.5 -1.75 AS1289.3.4.1 97 5.5 0.94 AS1289 3.4.1 98 4.0 -1.08 AS1289.3.4.1 99 4.5 -0.40 AS1289.3.4.1

100 4.5 -0.40 AS1289.3.4.1 102 2.5 -3.10 § AS1289.3.4.1 104 BLANK 105 6.5 2.29 AS1289.3.4.1 106 6.0 1.62 AS1289.3.4.1 107 5.0 0.27 AS1289 3.4.1 108 3.0 -2.43 1289.3.4.1 109 7.0 2.97 1289.3.4.1 110 6.0 1.62 AS1289 3.4.1 111 insufficient material

A 7.3 Linear Shrinkage (0.5%)

Lab Code

Results


112 3.5 -1.75 AS1289.3.4.1 113 5.0 0.27 AS1289.3.4.1 114 4 -1.08 AS1289.3.4.1 115 4.5 -0.40 AS1289.3.4.1 116 5.0 0.27 3.4.1 117 5.0 0.27 AS1289.3.4.1 118 6.0 1.62 AS1289.3.4.1 119 2.5 -3.10 § Q106 120 4.5 -0.40 Q106 121 3.0 -2.43 AS1289 3.4.1 122 5.0 0.27 123 4.5 -0.40 AS1289 124 4.5 -0.40 AS1289 3.4.1 125 3.5 -1.75 Q106 126 4.0 -1.08 BLANK 127 3.5 -1.75 AS1289.3.4.1 128 5.0 0.27 AS1289.3.4.1 129 4.5 -0.40 AS 130 5.0 0.27 AS1289.3.4.1 131 4.0 -1.08 AS 1289 3.4.1 132 5.0 0.27 AS1289.3.4.1 133 5.0 0.27 AS1289.3.4.1 134 3.5 -1.75 AS1289.3.4.1 135 4.5 -0.40 AS1289.3.4.1 136 BLANK 138 N/A 139 5.5 0.94 3.4.1 141 3.5 -1.75 1289.3.4.1 142 4.5 -0.40 AS1289.3.4.1 143 4.0 -1.08 AS1289 3.4.1 144 5.0 0.27 AS1289.3.4.1 145 4.0 -1.08 AS1289.3.4.1 146 5.0 0.27 AS1289 3.41 148 5.0 0.27 AS1289.3.4.1 149 4.8 0.00 AS1289.3.4.1 150 4 -1.08 AS1289 3.4.1 151 5.0 0.27 AS1289 3.4.1 152 BS1377 PART2: CLAUSE 6.5: 1990


APPENDIX B

Sample Homogeneity

B1

Homogeneity Testing For the below samples if the CV is less than 10 i.e. <10 then there is an excellent degree of control. The samples are therefore considered to be homogeneous such that any results later identified as outliers should not be attributed to any sample variability.

Sample Number 19 30 61 82 102 117 155 188 194 mean sd CV

Liquid Limit (%) 25 24 25 24 25 24 24 24 25 24.44 0.53 2.16%

Plastic Limit (%) 17 17 18 17 17 17 17 16 17 17.00 0.50 2.94%

Plasticity Index (%) 8 7 7 7 8 7 7 8 8 7.44 0.53 7.08%

Linear Shrinkage (%) 6.0 5.5 5.0 5.5 5.0 5.5 5.5 5.0 5.5 5.39 0.33 6.19%

APPENDIX C

Documentation

Instructions to Participants ……………………………………………………………… C1 Results Sheet …………………………………………………………………………….

PROFICIENCY TESTING AUSTRALIA Proficiency Testing Program

Soils Round 7

INSTRUCTIONS TO PARTICIPANTS Please read instructions carefully BEFORE commencing testing. To ensure that the results of this program can be analysed properly, participants are asked to carefully note the following: 1. One gravel sample of approximately 15 kg is supplied to each laboratory. 2. The following tests are to be conducted: Laboratory Compaction Liquid Limit Plastic Limit Plasticity Index Linear Shrinkage 3. These tests are based on AS1289, however other methods may be used.

Laboratory Compaction AS1289.5.1.1. Soil compaction and density tests - Determination of the dry density/moisture content relation of a soil using standard compactive effort.

Liquid Limit

AS1289.3.1.1. Determination of the liquid limit of a soil – Four point Casagrande Method.

Plastic Limit AS1289.3.2.1. Determination of the plastic limit of a soil – standard method.

Plasticity Index

AS1289.3.3.1. Calculation of the plasticity index of a soil.

Linear Shrinkage.

AS1289.3.4.1. Determination of the linear shrinkage of a soil – standard method. 4. For each test on the sample the result is to be reported on the results sheet to the accuracy and reporting basis indicated. 5. Testing may commence as soon as the sample is received. All laboratories must return the result sheet no later than Friday 27 June 2008 to:

Dr Michael Li, Proficiency Testing Australia. PO Box 7507, Silverwater NSW 2128. Australia.

Phone: +61 2 9736 8397 Fax: +61 2 9743 6664 Email: [email protected]

PROFICIENCY TESTING AUSTRALIA Soils 7 - Proficiency Testing Program

Results Sheet

Lab Code:

Test (report to) Result Method

Dry Density (0.001 t/m3)


Oversize Material (nearest 1%)

Liquid Limit (%)

Plastic Limit (%)

Plasticity Index (%)

Linear Shrinkage(0.5%)

Signed: Date: Return no later than Friday 27 June 2008 to:

Dr Michael Li, Proficiency Testing Australia. P O Box 7507, Silverwater NSW 2128. Australia. Phone:+61 2 9736 8397 Fax:+61 2 9743 6664 Email: [email protected]

C2

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soils proficiency testing round 7 dry density,...

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