John Greenwood emphasises the responsibility of Geotechnical Engineers to ensure a sustainable future for life on earth. The influence of geosynthetic products on traditional geotechnical engineering design and construction practice will be assessed by reference to various examples of applications. He will describe how the inclusion of geosynthetic and natural vegetative reinforcement has confirmed that revisions were necessary in the basic assumptions made in limiting equilibrium slope stability analysis. He will consider the responsibilities of the ‘Engineer in Society’. The problems of defining pore sizes of geotextile drainage products will be reviewed and a possible amendment to the calculation procedure for particle size distribution for natural soils suggested. The ‘moisture in the bag’ method for efficient determination of natural moisture contents will be discussed. The development and testing of the ‘SELOC’ self-erecting low cost flood barrier will be described and the growing use of geosynthetics in the garden. The examples will be reviewed to reach a conclusion on the influence and importance of Geosynthetic products in Geotechnical Engineering.
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Have Geosynthetics changed geotechnical engineering?
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