Page 214 - RoadCem Manual - PCT BV

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INTRODUCTION ....................................................................................................................... 3
1.1 Background, purpose and scope ................................................................................. 3
1.2 Structure of the Field Testing Manual 2003 .............................................................. 4
1.3 Layout ................................................................................................................................. 4
GEOTECHNIQUE ....................................................................................................................... 7
2.1 Planning of investigations – methodology ................................................................. 7
2.2 Ground investigations ................................................................................................... 9
2.3 Soundings ....................................................................................................................... 12
2.4 Borings ............................................................................................................................ 13
2.5 Sampling ......................................................................................................................... 15
2.6 Handling, transport and storage of samples ............................................................. 19
2.7 Recording ....................................................................................................................... 19
2.8 Geotechnical test methods.......................................................................................... 20
PAVEMENT EVALUATION ....................................................................................................... 39
3.1 Pavement distress ......................................................................................................... 39
3.2 Methodology .................................................................................................................. 42
3.3 Detailed condition surveys .......................................................................................... 45
3.4 Pavement strength – structural surveys .................................................................... 49
3.5 Test pit profiling and sampling .................................................................................... 52
3.6 Homogenous sections .................................................................................................. 55
AXLE LOAD SURVEYS .............................................................................................................. 58
4.1 Introduction ................................................................................................................... 58
4.2 Resources for axle load surveys .................................................................................. 58
4.3 Condition of survey sites .............................................................................................. 59
4.4 Weighing ........................................................................................................................ 62
4.5 Recording and reporting .............................................................................................. 64
MATERIAL PROSPECTING AND ALIGNMENT SURVEYS ...................................................... 71
5.1 Introduction ................................................................................................................... 71
5.2 Methodology ................................................................................................................. 71
5.3 Alignment soil surveys ................................................................................................. 77
5.4 Soils and gravel sources ............................................................................................... 80
5.5 Rock sources .................................................................................................................. 83
CONSTRUCTION CONTROL .................................................................................................... 89
6.1 Introduction .................................................................................................................. 89
6.2 Earthworks and unbound layers ................................................................................ 89
6.3 Cemented Layers .......................................................................................................... 94
6.4 Bituminous Layers ........................................................................................................ 95
6.5 Bituminous Seals .......................................................................................................... 98
6.6 Concrete ........................................................................................................................ 101
6.7 Construction control test methods ............................................................................ 104
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