Drought vulnerability assessment in Jalna using drought indices
Tue, 01 May 2018 00:00:00 GMT
Title: Drought vulnerability assessment in Jalna using drought indices Authors: Mishra, Sushree; Chuhan, Mohammed Shuaib(14CE13); Ansari, Mohd. Aadil(14CE08); Jamadar, Mohd. Aatif(14CE18); Shaikh, Shadab(15DCE72) Abstract: Drought is a temporary and recurring hydro-meteorological event, which originates from the lack of precipitation, high temperature, and high evaporation over extended period of time. It is a normal part of any climate and, perhaps the most complex natural hazard, because it develops slowly, it is difficult to detect and has many facets in any single region. Drought preparedness and mitigation depends upon timely information on drought onset, development in time and spatial extent. This information may be obtained through continuous drought monitoring, which is normally performed using drought indices. This project work describes drought assessment, using two different drought indices, SPI (Standardized Precipitation Index) and RAI (Rainfall Anomaly Index). The Marathwada region of Maharashtra was chosen as the study area and this region is characterized as a ‘frequently drought prone area’, where drought can be expected every 6 to 10 years. A comparison of RAI and SPI values were done for determination of drought severity and temporal extension of drought for planning of mitigation measures for farmers. Using the SPI and RAI as indicators of drought severity from 1901-2002, the characteristics of drought were examined. The monthly rainfall data for the period (2012-2016) was also analyzed and the severity of drought was evaluated as a check with the historical data. The maximum annual SPI was -2.61 in the year 1920, similarly the RAI values also showed the same results which was -4.748 indicating the extreme drought conditions in the study area. The monthly SPI values were also compared with RAI+ and RAI- values for the period under observation. It was observed that the RAI- is highly correlated with SPI for determining the characteristics of droughts in the study area. The overall outcome of this study demonstrates that extreme and severe droughts were experienced in the years 1920, 1972 and 1911, 1912, 1918, 2000, 2001 across the study area leading to unfavourable results on agricultural practices and water resources in the area. Description: Submitted in partial fulfilment of the requirement for the Award of the BACHELOR’S DEGREE IN CIVIL ENGINEERING
Comparative study of design aspects and construction practices of silos
Tue, 01 May 2018 00:00:00 GMT
Title: Comparative study of design aspects and construction practices of silos Authors: Honnutagi, Abdul Razak; Khan, Mohd Farhan Mohd Aslam (14CE29); Niyazi, Aftab Irshad Ahmed (14CE42); Shaikh, Ahteshaam Imtiyazali (14CE51); Shaikh, Saif Aslam (14CE56) Abstract: Silo is the term applied commonly to a structure in which dry granular materials are stored. Silos are those structures in which the height of the container is large as compared to its diameter so that the plane of rupture cuts the opposite side and does not cut the top horizontal surface. Silos are used in a wide range of industries, such as agriculture, mining, chemical engineering, power plants, cement and food processing, where most bulk solids storage, handling and transportation systems are applied for storing solid materials like grains, coal, cement etc. When bulk solids are allowed to flow out of a bin or hopper under gravity alone, its flow pattern can be basically of two types: mass flow or funnel flow. With mass flow, the hopper is sufficiently steep and smooth to cause flow of all the solids in the bin without ‗dead‘ regions occurring during discharge, funnel flow occurs when the hopper is not sufficiently steep and smooth to force material to slide along the walls or when the outlet of a bin is not fully effective, due to poor feeder or outlet design. From the view point of processing, mass flow is preferred in making the bulk solids processing system efficient, reliable, predictable and more easily controlled. The flow of solid particles from mass flow bins or mass flow hoppers is, therefore, a subject of considerable practical and theoretical interest. In this project, a comparative study has been carried out on the design of silos by Indian Standard (IS) and applying rational method to provide a good hopper. In addition, schedule bar bending and cost estimation has been prepared for various heights of silos for better optimisation and economy.
Comparative study on composting and vermicomposting
Tue, 01 May 2018 00:00:00 GMT
Title: Comparative study on composting and vermicomposting Authors: Shah, Dhaval; Sayed, Sarfaraz (13CE45); Khan, Asifali (14CE21); Patel, Shahid (15DCE69); Pathan, Manjur (11CE37) Abstract: The aim of this work was to study the effect of the traditional thermophillic composting thatcommonly adopted for treatment of organic wastes or for production of organic/natural fertilizersthat is introduced to a related technique, called vermicomposting (using earthworms to breakdown the organic wastes). These two techniques have their inherent advantages and disadvantages. The integrated approach suggested in this study borrows pertinent attributes from each of these two processes and combines them to enhance the overall process and improve the products qualities. Two approaches investigated in this study are: pre-composting followed byvermicomposting.Eisenia fetida(red wigglers) species of earthworms used in the vermicomposting processes. The results indicate that, a system thatcombines the two processes not only shortens stabilization time, but also improves the productsquality. Combining the two systems resulted in a product that was more stable and consistent(homogenous), had less potential impact on the environment and for compost. Vermicompostingsystem, the product met the pathogen reduction requirements. Description: Submitted in partial fulfilment of the requirements for the degree of Bachelor of Civil Engineering
Comparative study of flat slab structure
Tue, 01 May 2018 00:00:00 GMT
Title: Comparative study of flat slab structure Authors: Nadaf, Firoz; Aware, Saad Aslam (15DCE60); Dhamaskar, Hasib Zahoor (15DCE61); Savardekar, Sultan Ismail (15DCE70); Ansari, Bilal Mohd. Azharuddin (13CE07) Abstract: sIn the present era, flat slab buildings are commonly used for construction as it has many advantages over conventional slab buildings in terms of architectural flexibility, use of space, easier formwork and shorter construction time. As due to this old traditional construction net height of room is reduced. Hence to improve aesthetical and structural aspect of multi storey, shopping mall ,offices, warehouses , public community hall, hospitals etc. are constructed in such a way were slab are directly on columns. This types of slab directly supported on column is termed as flat slab. According to BIS Guidelines IS 1893-2002 says the storey drift in any storey due to minimum specified design lateral force, with partial load factor of 1.0 shall not exceed 0.004 times the storey height and the revised IS 1893-2016 recommends to put limitation prescribes (a) Punching shear failure should be avoided and (b) the lateral drift at the roof under design lateral force shall not excees 0.1 per cent. The main objective of the present work is to compare the storey drift with previous IS 1893-2002 by the revised IS 1893-2016. Accordingly; we can state whether the structure can withstand without any failure or not. Description: Submitted in partial fulfillment of the requirements for the degree of Bachelor of Civil Engineering

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