Page 15 - RoadCem Manual - PCT BV

5.7.6 Fatigue ......................................................................................................................... 147
5.8 Procedure for checking that minimum requirements are met ....................................... 148
5.9 Surfacing .......................................................................................................................... 153
5.9.1 General ........................................................................................................................ 153
5.9.2 ConcreCem Fine Aggregate (sand) Concrete Finish .................................................... 153
5.9.3 ConcreCem Fine Aggregate (sand) Concrete +Quartz Sand Finish ............................. 155
5.9.4 Brushed Finish ............................................................................................................. 156
5.9.5 Chip and Spray Finish .................................................................................................. 157
5.9.6 Gravel and Gravel-Slurry Finish ................................................................................... 160
5.9.7 Other Surfacing Options .............................................................................................. 162
5.10
6. Drainage .............................................................................................................................. 169
Priority Assurance and Quality Control ....................................................................... 166
6.1 General .................................................................................................................................. 169 6.2 Internal Drainage ............................................................................................................. 169
6.2.1 General ........................................................................................................................ 169
6.2.2 Permeability of pavement layers ................................................................................ 169
6.2.3 Crown Height............................................................................................................... 170
6.2.4 Seepage and subsurface drains ................................................................................... 170
6.2.6 Shoulders..................................................................................................................... 173 6.3 External Drainage .................................................................................................................. 175
6.3.1 6.4 6.4.1 6.4.2 6.4.3 6.5 6.5.1 6.5.2 6.5.3 6.6 6.6.1 6.6.2 6.6.3 6.6.4
Introduction................................................................................................................. 175 Hydrology and Hydraulic Calculations............................................................................. 175 Introduction................................................................................................................. 175 Method........................................................................................................................ 176 Return Period .............................................................................................................. 176 Drainage Structures ......................................................................................................... 176 Introduction................................................................................................................. 176 Low-level structures .................................................................................................... 176 Culverts........................................................................................................................ 177 Erosion ............................................................................................................................. 180 Introduction................................................................................................................. 180 Scour Checks................................................................................................................ 180 Erosion of Culverts ...................................................................................................... 180 Slope Protection .......................................................................................................... 181
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