دانلود کتاب Coastal defence

فهرست مطالب :

Content: COASTAL DEFENCES * History and background * Coastal defences - who builds them * Coastal zone management * A strategic approach to coastal defence COASTLINE PROCESSES * Waves * Tides * Coastline changes * Changes on open coasts * Estuarial coastline changesREVIEW OF COASTAL DEFENCE TECHNIQUES * Introudction * Linear defences * Introudction * Embankments * Revetments * Seawalls * Beach Management * Beach recharge * Beach recycling and bypassing * Beach control structures * Groynes * Breakwaters * Sills * Dune stabilisation methods * Estuarial coastal defences * Surge and tidal barriers * Satmarsh management * Cliff StabilisationSTEPS REQUIRED IN CHOOSING COSTAL DEFENCE OPTIONS * Introduction * Data gathering * Introduction * Collection of data on physical processes and characteristics * Data on benefits and costs * Data on environmental constraints and opportunities * Studying the \'non-intervention\' option * Assessing hydrodynamics and sediment transport rates * Assessing existing defences * Predicting future changes in the coastline and standards of defence * Preliminary economic evaluation * Preliminary environmental appraisal * Preliminary public consultation * Assessing coastal defence optionsCHOOSING A PREFERRED OPTION * Technical appraisal * Introduction * Functional effectiveness * Durability and residual life * Sustainability * Constructability * Economic Appraisal * Introduction * Present values/discounting * Costs * Benefits * Economic comparision of options * Enviornmental appraisal * Background and need for environmental appraisal * Scoping * Environmental surveys * Impact identification and evaluation * Mitigation, compensation and enhancement * RiskDESIGN DEVELOPMENT * Introduction * Mathematical modelling * Physical modelling * Scheme promotion and approvalPRACTICALITIES OF COASTAL DEFENCE CONSTRUCTION * Access and delivery/storage of materials * Tidal restrictions * Seasonal and phased construction * Seasonal working * Phased construction * Planning and environmental considerations * Construction plant and methods * Measurement and detailing * Construction risks * Construction supervisionPOST PROJECT MONITORING, MAINTENANCE AND APPRAISAL * Introduction * Construction appraisal * Monitoring the condition of defences * Maintenance * Evaluation of defence performance * Environmental monitoring * Post-project appraisal * Data storage, sharing and future use