Highway Slope Manual

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11 Figure No. Page No. B1 Example of a Programme for the Geotechnical Review of 97 a Highway Project C1 Example of a Programme for the Geotechnical 105 Assessment of a Highway Project E1 Emergency Preparedness Components for Landslides 110 Affecting Public Roads E2 Examples of Display Signs for Slope Identification and 111 Landslip Warning
12 LIST OF LATES Plate No. Page No. 1.1 Landslide at Kennedy Road in May 1992 Chan et al, 16 1996 1.2 Landslide at Castle Peak Road in August 1994 Chan et al, 17 1996 1.3 Rockfall during the Tuen Mun Highway Widening Works 17 in August 1995 Wong, 1997 1.4 Landslide at Ching Cheung Road in August 1997 18 Halcrow, 1998 1.5 Large Channelised Debris Flow on Natural Terrain in 18 Tsing Shan, near Tuen Mun, in September 1990 King, 1996 1.6 Open-slope Debris Avalanche on Natural Terrain in Ma 19 Liu Shui in July 1997 Lam, 1999 1.7 Open-slope Debris Avalanche on Natural Terrain in Ma 19 On Shan in July 1997 Halcrow, 1999b 1.8 Steep Natural Terrain along the North Lantau Expressway 20 near Tung Chung 3.1 Fei Tsui Road Landslide Which Occurred in August 1995 38 GEO, 1996a 3.2 Kaolinite-rich Altered Tuff Exposed at the Fei Tsui Road 38 Landslide 5.1 Surface Runoff Channelising along a Road 48 5.2 Shum Wan Road Landslide in August 1995 GEO, 1996b 48 5.3 Examples of Highway Slope Drainage and Associated 52 Road Drainage Details 6.1 Unity and Coherence 57 6.2 Proportion and Scale 57
Page 1 and 2: HIGHWAY SLOPE MANUAL GEOTECHNICAL E
Page 3 and 4: 2 。 The Government of the Hong Ko
Page 5 and 6: 4 STEERING COMMITTEE: Geotechnical
Page 7 and 8: 6 Page No. 3. SITE INVESTIGATION 33
Page 9 and 10: 8 Page No. APPENDICES APPENDIX A -
Page 11: 10 LIST OF FIGURES Figure No. Page
Page 15 and 16: 14 [BLANK PAGE]
Page 17 and 18: 16 year (Evans et al, 1998), they h
Page 19 and 20: 18 Plate 1.4 Landslide at Ching Che
Page 21 and 22: 20 Plate 1.8 Steep Natural Terrain
Page 25 and 26: 24 Notes: (1) The projects in the P
Page 27 and 28: 26 of the geotechnical hazards and
Page 29 and 30: 28 Table 2.2 Geotechnical Haards Th
Page 31 and 32: 30 for carrying out a GA is given i
Page 35 and 36: 34 Table 3.1 Potential Uses of Diff
Page 37 and 38: 36 or features such as dykes or fra
Page 39 and 40: 38 movement monitoring and control
Page 41 and 42: 40 landslide debris, and the nature
Page 43 and 44: 42 Notes: (1) This Figure is based
Page 45 and 46: 44 Table 4.5 Recommended Minimum Fa
Page 49 and 50: 48 Plate 5.1 Surface Runoff Channel
Page 51 and 52: 50 Cascades, with cover where neces
Page 53 and 54: 52 (a) Trash Grill at Inlet of Cros
Page 55 and 56: 54 5.2.3 Drainage Improvement Works
Page 57 and 58: 56 For the control of visual impact
Page 59 and 60: 58 Plate 6.3 Pattern and Texture Pl
Page 61 and 62: 60 ighways are environments with a
Page 63 and 64:
62 Filling operations for a highway
Page 65 and 66:
64 Blasting is the most common meth
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66 Notes: (1) The responsibility fo
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68 Results of Rockfall Protective B
Page 71 and 72:
70 [BLANK PAGE]
Page 73 and 74:
72 overseeing the maintenance of th
Page 75 and 76:
74 In addition to the slope upgradi
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76 after each heavy rainstorm event
Page 79 and 80:
78 d n n d d d d d d d
Page 81 and 82:
80 event of a landslide should be b
Page 83 and 84:
82 [BLANK PAGE]
Page 85 and 86:
84 Federal Highway Administration (
Page 87 and 88:
86 Highways Department (1996). Mana
Page 89 and 90:
88 Wong, H.N., Pang, L.S., Wong, A.
Page 91 and 92:
90 [BLANK PAGE]
Page 93 and 94:
92 [BLANK PAGE]
Page 95 and 96:
94 key natural terrain and man-made
Page 97 and 98:
96 and details of all existing slop
Page 99 and 100:
98 [BLANK PAGE]
Page 101 and 102:
-AA (v) relevant services and utili
Page 103 and 104:
-A2 (m) (n) 1dentify any statutory
Page 105 and 106:
-A4 Notes: (-) An example of a prog
Page 107 and 108:
106 [BLANK PAGE]
Page 109 and 110:
108 Wong, C.K.L. (1998). The New Pr
Page 111 and 112:
110 of slopes and slope owners and
Page 113 and 114:
112 [BLANK PAGE]
Page 115:
114 (iv)subsidence of ground or roa
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