Page 14 - RoadCem Manual - PCT BV

4.2.2 Grain Composition/Particle size distribution ................................................................ 60
4.2.3 Chemistry and Morphology........................................................................................... 70
4.2.4 Soil Texture.................................................................................................................... 77
4.2.5 Soil Structure ................................................................................................................. 84
4.2.6 Stickiness ....................................................................................................................... 90
4.2.7 Plasticity........................................................................................................................ 91
4.2.8 Bearing capacity ............................................................................................................ 92
4.2.9 Ground water level........................................................................................................ 97
4.2.10 Moisture content........................................................................................................... 98
4.2.11 Settling behaviour ....................................................................................................... 101
5. The RoadCem method............................................................................................103
Introduction..................................................................................................................... 103 General ........................................................................................................................ 103 The benefits of RoadCem method.............................................................................. 105 The 7 key dimensions of sustainability of road infrastructure................................... 105 The Challenge .............................................................................................................. 109 Planning, Appraisal and Environmental Issues............................................................ 112 Situ Material as the Basis for the RoadCem method .................................................. 119 General ........................................................................................................................ 119 Environmental Effects ................................................................................................. 122 Pavement Structure Materials .................................................................................... 124 Characteristics of Pavement Materials ....................................................................... 125
5.3 Making Good” Pavement Materials “from “Bad” Pavement Materials.......................... 130
5.4 RoadCem Stabilization - Mix Specification ...................................................................... 133
5.5 Laboratorium testing ....................................................................................................... 138
5.6 Final Comments on the Mix and Pavement Structure Design ........................................ 142
5.6.1 Cement and Binder Types ........................................................................................... 142
5.6.2 Waste materials and Industrial Residues .................................................................... 142
5.7 Determination of Stabilized (Bound) Material Properties .............................................. 143
5.7.1 General ........................................................................................................................ 143
5.7.2 Comressive strength.................................................................................................... 143
5.7.3 Dynamic elasticity modulus......................................................................................... 144
5.7.4 Breaking strain............................................................................................................. 145
5.7.5 Poisson Ratio ............................................................................................................... 146
5.1
5.1 1 5.1.2
5.1 3 5.1.4
5.1 5
5.2 In 5.2 1 5.2.2 5.2.3 5.2.4
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