NZS 4407:2015

Contents

Referenced documents

Latest revisions

Review of standards

Foreword

Outcome statement

Section

1 PRELIMINARY AND GENERAL

1.1 Scope

1.2 Interpretation

1.3 Definitions

1.4 Notations

1.5 Abbreviations

1.6 Apparatus

1.7 Absolute density of water

2 METHODS OF SAMPLING ROAD AGGREGATES

2.1 Scope

2.2 Random selection of representative sample locations

2.3 Field sample size

2.4 Sampling procedure

2.5 Packaging and labelling of samples for transportation

2.6 Sampling documentation

2.7 Sample size reduction

3 METHODS OF TESTING ROAD AGGREGATES – LABORATORY TESTS

3.1 The water content of aggregate – Test Method 3.1

3.2 The cone penetration limit – Test Method 3.2

3.3 The plastic limit – Test Method 3.3

3.4 The plasticity index – Test Method 3.4

3.5 The clay index – Test Method 3.5

3.6 The sand equivalent – Test Method 3.6

3.7 The solid density of aggregate particles

3.8 Particle size distribution

3.9 The cleanness value of coarse aggregate – Test Method 3

3.10 The crushing resistance of coarse aggregate under a specifiedload – Test Method 3.10

3.11 The weathering quality index of coarse aggregate –Test Method 3.11

3.12 The abrasion resistance of aggregate by use of the Los Angelesmachine – Test Method 3.12

3.13 The size and shape of aggregate particles – Test Method 3.13

3.14 The broken faces content of aggregate – Test Method 3.14

3.15 The California bearing ratio (CBR) – Test Method 3.15

4 METHODS OF TESTING ROAD AGGREGATES – FIELD TESTS

4.1 The density of compacted aggregate – sand replacementmethod – Test Method 4.1

4.2 The field water content and field dry density of compacted materials –method using a nuclear moisture-density gauge –direct transmission – Test Method 4.2

4.3 The field water content and field dry density of compacted materials –method using a nuclear moisture-density gauge –backscatter mode – Test Method 4.3

Table

1 Maximum mass of material to be retained on each test sieve at the completionof sieving

2 Recommended balance capacity and accuracy

3 Absolute density of water (t/m3) over temperature range 5°C – 30°C

4 Size of field samples

5 Test sample size

6 Size of test sample for sieving

7 Cleanness values (CV) for 0 to 400 mm height readings (H20)

8 Test conditions for various aggregate sizes

9 Weathering quality index

10 Gradings of test specimen

11 Minimum masses of aggregate

Figure

1 Diagram of a suitable sample divider (riffle)

2 Cone penetration apparatus

3 Rolled threads of soil for plastic limit tests

4 Illustration of the drop test for determining the end point of methyleneblue titration

5 Sand equivalent apparatus

6 Motorised sand equivalent shaker

7 Pycnometer with glass plate and rubber stopper

8 Example equipment arrangements for the measurement of densityby immersion in water

9 Example chart for plotting particle size distribution

10 Apparatus for determining crushing resistance of coarse aggregate

11 Weathering quality index

12 Los Angeles machine

13 ALD gauge

14 AGD trough

15 Correct placement of aggregate particles in AGD trough

16 Mould for CBR determination

17 CBR swell test apparatus

18 Typical force-penetration curves

19 Pouring cylinder, digging tray, and calibrating container

Form

1 Determination of water content

2 Determination of the cone penetration limit, plastic limit, and plasticity index

3 Determination of clay index

4 Determination of sand equivalent

5 Determination of solid density of aggregate particles – pycnometer method

6 Determination of solid density of aggregate particles – immersion in water

7 Determination of the particle size distribution – wet sieve method

8 Determination of particle size distribution – dry sieve method

9 Determination of weathering quality index of coarse aggregate

10 Detemination of the abrasion resistance by use of Los Angeles machine

11 Determination of the size and shape of sealing chips

12 Determination of the broken faces of aggregate

13 Determination of the California bearing ratio (CBR) – remoulded specimens

14 Determination of the density of compacted a ggregate sandreplacement method