Presenting an in-depth coverage, this textbook brings together and integrates key topics including water resources, wastewater, air, and solid waste in a single volume. The textbook introduces a unique approach that emphases on the water and wastewater treatments with its distribution system and engineering. It begins by discussing the public health and sanitation, then covers the wastewater collection system and design, wastewater characteristics, natural purification water, different wastewater treatments, industrial and rural wastewater. Finally, the emerging technologies in the reuse/recycle of waste and processes to conserve the environmental resources are discussed. The text will be useful for senior undergraduate and graduate students in the fields of civil and environmental engineering. Pedagogical features including solved problems, exercises and multiple-choice questions are interspersed throughout the book for better understanding. Discusses latest technologies and engineering design in water and wastewater management. Focusses on reuse and conservation of natural resources. Comprehensively covers topics on air pollution and noise pollution. Explains important topics including coagulation and flocculation, sedimentation, filtration, disinfection, water softening and water distribution. Includes pedagogical features including solved examples, exercises and multiple-choice questions with answers for better understanding of concepts.
The research work focuses on detailed large scale mapping, Geological & Geo- Technical Investigation, slope stability assessment and stabilization measures of Dhalli & Jhakri Landslide, Shimla District, Himachal Pradesh and Kotropi Landslide, Mandi District, Himachal Pradesh. Dhalli landslide occurred on 2nd September, 2017 was a structurally controlled rock slide that occurred along a Road cut slope National highway (NH – 5A) without proper toe support. Jhakri landslide is also located along the steep slope section of a National highway (NH-22) connecting Rampur and Jhakri area. Kotropi landslide occurred on August, 2017 along the Mandi – Pathankot national highway (NH-154). The landslide is of complex type with deep seated failure with huge social and economic loss. Landslide susceptibility map (LSM) have been developed for the Dhalli, Jhakri and Kotropi landslide. The results reveal that for Dhalli landslide site 42.15% of the total area was covered in moderately vulnerable zone and 57.85% of the area is covered in High and very high vulnerable area. In Jhakri landslide site 100% of the total area was covered in Very High vulnerable zone. LSM of Kotropi study area reveal that 43.5% of the total area was covered in moderate vulnerable zone, 42.5% falls under high vulnerable zone and 15% falls under very high vulnerable zone. Large scale mapping of the landslide sites Dhalli and Jhakri were conducted through total station. The results reveal that all the study areas are located along steep slopes of various National highways.
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