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- W618106871 abstract "The construction of an International Airport project in a Middle East country was entrusted to International Airport Authority of India, New Delhi. The site was covered with sand dunes and the heights of sand dunes varied from 1 to 6 m from the firm surface. The sand dunes had to be removed due to low bearing values and replaced by suitable soils collected from various borrow areas. The subgrade soil layers were prepared and compacted to not less than 95 per cent of maximum dry density at OMC. For preparing the surface of subgrade soil layer about 8 million tonnes of sand dunes were removed. The author undertook field and laboratory investigation comprising of physical properites, grain size analysis, maximum dry density and optimum moisture content by modified AASHO compaction method to determine suitability of materials right from the selection of borrow area. The subgrade soil was placed in layers and compacted by vibratory roller. The sea water was used for compaction. 697 number of field density tests were conducted over the entire area of the runway and apron to assess the quality at various stages of construction. 34 numbers of plate load tests were also conducted on the prepared subgrade soil of the airfield pavement to evaluate the modulus of subgrade reaction. The paper describes and discusses the results of Atterberg's limits, grain size analysis, maximum dry density and OMC by AASHO compaction method, field dry densities K-values and field moisture content. Quality achieved and concluding remarks are also indicated. (A)" @default.
- W618106871 created "2016-06-24" @default.
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- W618106871 date "1997-11-01" @default.
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- W618106871 title "COMPACTED FILL OF AN AIRFIELD PAVEMENT" @default.
- W618106871 hasPublicationYear "1997" @default.
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