135
Appendix H Manning Roughness Coefficients
Closed Conduit - Partly Full
Metal
Steel
Lockbar and welded
0.010
0.012
0.014
Riveted and spiral
0.013
0.016
0.017
Cast Iron
Coated
0.010
0.013
0.014
Uncoated
0.011
0.014
0.016
Wrought Iron
Black
0.012
0.014
0.015
Galvanized
0.013
0.016
0.017
Corrugated
Subdrain
0.017
0.019
0.021
Storm drain
0.021
0.024
0.030
Non-metal
Acrylic
0.008
0.009
0.010
Glass
0.009
0.010
0.013
Wood
Stave
0.010
0.012
0.014
Laminated, treated
0.015
0.017
0.020
Clay
Common drainage tile
0.011
0.013
0.017
Vitrified sewer
0.011
0.014
0.017
Vitrified sewer with manholes, inlets, etc.
0.013
0.015
0.017
Brick
Glazed
0.011
0.013
0.015
Lined with cement
0.012
0.015
0.017
Concrete
Culvert, straight and free of debris
0.011
0.011
0.013
Culvert with bends, connections and some
debris
0.011
0.013
0.014
Sewer with manholes, inlet, etc., straight
0.013
0.015
0.017
Unfinished, steel form
0.012
0.013
0.014
Unfinished. smooth wood form
0.012
0.014
0.016
Non-metal
Concrete
Unfinished, rough wood form
0.015
0.017
0.020
Sanitary sewers coated with sewage slimes 0.012
0.013
0.016
Paved invert, sewer, smooth bottom
0.016
0.019
0.020
Rubble masonry, cemented
0.018
0.025
0.030
Содержание Sigma 950
Страница 2: ......
Страница 6: ...4...
Страница 20: ...18 Introduction...
Страница 34: ...32 Basic Programming Setup...
Страница 50: ...48 Sensor Installation...
Страница 82: ...80 Maintenance...
Страница 83: ...81 Appendix A Program Flow Charts Figure 22 Overview of Basic Program Menus...
Страница 84: ...82 Program Flow Charts Figure 23 Setup Flow Chart...
Страница 85: ...83 Program Flow Charts Figure 24 Options Flow Chart...
Страница 86: ...84 Program Flow Charts Figure 25 Alarms Menus Flow Chart...
Страница 87: ...85 Program Flow Charts Figure 26 Calibration Menus Flow Chart Page 1...
Страница 88: ...86 Program Flow Charts...
Страница 102: ...100 Programming Features...
Страница 106: ...104 Primary Devices Head Measurement Locations...
Страница 126: ...124 SCADA Modbus System Guidelines...