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"Sharma, Rakesh, author"
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Agrarian distress and farmer suicides in North India
\"This volume provides a comprehensive and detailed socio-economic overview of agrarian distress in India which has manifested in the suicides of farmers and agricultural labourers. Using empirical research and field data from rural India, especially Punjab, this book examines the underlying causes of farmer suicide and steps which can mitigate the crisis. Covering nearly 1400 rural households, the research in this volume identifies the various dimensions of the deepening crisis in agriculture and farming. It categorises the factors of the problem across different regions and estimates its extent and magnitude. The authors, in this updated edition, focus on instances of political mobilization and collective movements by farmers struggling to bring the issue of agrarian distress to attention. The book also discusses the implementation of state-waivered loans and compensations and their effect on the farming community. Topical, comprehensive and rich in data, this book will be valuable to scholars and researchers of political economy, agricultural economics, South Asian politics, political sociology, and public policy\"-- Provided by publisher.
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Impact Of Waste Iron Slag On Mechanical And Durability Properties Of Concrete
Waste management is of great concern in today�s world. Every year, an enormous amount of solid waste is generated from different industrial activities. Especially, the waste which produces by iron industries in a particular form of slag. The major issue of emission of carbon-di-oxide from cement industries is a serious problem for the earth's environment and surrounding area. Thus, in this study, the waste iron slag obtained from nearby iron industries was used as a partial substitute for cement. The cement was replaced with iron slag (IS) at the substitution levels of 7.5%, 15%, 22.5%, 30%, and 37.5% by weight of cement. The doses of superplasticizer for every mix were taken based on the essential workability requirements for the reinforced concrete work. Performance of control and blended mixes were evaluated by workability evaluation, compressive strength test, flexural strength test, water permeability test, water absorption evaluation, rapid chloride penetration test (RCPT) and carbonation test. Scanning electron microscope (SEM), X-ray diffraction (XRD) techniques, and Thermogravimetric analysis (TGA) techniques were used to assess the microstructural changes and to evaluate the chemistry of blended mixes. The results obtained from this study were encouraging in terms of compressive and flexural strength. The maximum compressive and flexural strength was recorded at a 22.5% replacement level of slag. Although the results obtained at 30% replacement were also better than the control mix. Resistance of slag made concrete against adverse condition i.e. CO2 penetration, chloride penetration, and water penetration was far better than conventional ones. The results obtained from TGA indicated that the productivity of calcium silicate gel of slag concrete is better than control concrete.
Journal Article