Social Infrastructure Maintenance Notebook
Intro -- Preface -- Contents -- Contributors -- 1 Natural Slope -- 1 Clean Up Slided Soil After Checking the Slope -- 2 A Fresh Crack in a Rock Mass is a Warning Sign of a Landslide and/or Failure -- 3 Carefully Observe Puddles on Roads, Gaps in Pavement, and the Slope -- 4 A Depression on a Ridge Which Looks Like an Animal Trail is a Warning Sign -- 5 Do Not Rest Easy Even If the Rain Stops -- 6 Bent Trees are a Warning Sign of a Landslide -- 7 If You See Small Fallen Rocks on Roadsides, Pay Attention to the Upper Slope -- 8 Turbid Water at the Foot of a Slope Could be a Warning Sign of a Slope Failure -- 9 Watch Out for the Valley Side of the Slope as Well -- 10 Withering of Trees Could be a Warning Sign of a Landslide and/or Failure -- 2 Embankment -- 1 Watch Out for Cut and Fill Boundary -- 2 Start with the Top Part of an Embankment Slope -- 3 Watch Out for Buckling of a Slope -- 4 A Crack and Deflection of a Road Surface Should be Carefully Observed -- 5 Watch Out for Turbid Water as It Could be a Warning Sign of a Slide -- 6 Watch Out for the Level of Water Spring -- 7 Scour Marks on a Slope Mean Poor Drainage -- 8 Clogging and Accumulated Water in and/or Around Drain Must be Cleared Immediately -- 9 Check the Water Collection into the Drain -- 10 Watch Out for Embankments Facing a River or Seashore -- 3 Cut -- 1 Cut Inspection Starts with Your Attire -- 2 Walk on the Top of the Slope When Inspecting Cuts -- 3 Inspect Cuts Closely on the Way Up and Widely on the Way Down. Walk on the Same Path Both Ways -- 4 Take a Step Further and Inspect the Backland of the Top of the Slope -- 5 Watch Out for Cuts Below Fills and Fills Above Cuts -- 6 Gully Erosion Leads to a Disaster -- 7 If You See Water Spring or a Tensile Crack, Check for Buckling -- 8 Greenery in Winter is a Sign of Danger -- 9 Watch Out for Deterioration of Slope-Protection Work.