iosr-JMCE   Volume-15 ~ Issue-5 ~ Sep-Oct 2018

Abstract: Natural soils are prominent material for construction activities. Red soils are widely distributed in north coastal districts of Andhra Pradesh, which are strong in dry conditions and compressed under saturated conditions. Presence of non-plastic fines and honey combing structure make the soils poor with respect to strength. In this aspect industrial wastes can be used in place of these collapsible soils. Red mud is an industrial waste from aluminum industry which can be an alternative to the soils. In the present investigations. In this aspect Red mud is one such alternative for its use in civil engineering infrastructure. In the present work characterization of Red mud is made by performing............

Keywords -Red mud, Red soil, CBR, Collapsible, Strength

[1]. IS 2720: Part 4: 1985 Methods of test for soils – Part 4: Grain sieve analysis
[2]. IS 2720: Part 5: 1985 Methods of test for soils – Part 5: Determination of liquid limit and plastic limit
[3]. IS 2720: Part 6: 1972 Methods of test for soils – Part 6: Determination of shrinkage factors
[4]. IS 2720: Part 8: 1983 Methods of test for soils – Part 8: Determination of water content -dry density relation using heavy compaction
[5]. IS 2720: Part 10: 1991 Methods of test for soils – Part 10: Determination of Unconfined compressive strength.

Abstract: Climate change will have large impact on water resources and its predictions are fraught with uncertainties all over the world. It affects the globe and hydrological cycle. It also affects the surface and subsurface water availability. These changes have being increasing the vulnerabilities of ecosystem and of human society. This paper presents an overview upon global impacts on hydrology and water resources as consequence of climate change. It explains how climate change has affected water resource variability in the past and how climate leads to rapid changes at present and future which affects the sustainable development in different parts in the world. It also explains about the effect of global warming due to the emission of green house gases. And the relation between climate change and water resource.

Keywords hydrological cycle, vulnerabilities, water resource, sustainable development, green house gases, global warming..

[1]. Report produced by the earth science communications team at NASA 's Jet Propulsion Laboratory, California institute of technology published in July 31, 2018 .

[2]. Journal on environment and earth science, Tariq Ahmad Bhat, Reasearch scholar Vikram university, Ujjain, Vol 4.No.11.2014

[3]. http://www.journal.elsevier.com/water-research journal published by Elsevier

[4]. http://www.sciencedirect.com/journal/water-research [5]. Book on " water resources system engineering" by authors W A Hall and J A Dracup.

Abstract: Axial forces in columns caused by gravity loadings are usually estimated for initial design using tributary area method. However, this method does not consider the axial deformations in columns nor the flexural rigidities of floors. Columns subjected to high axial loads are expected to deform axially which certainly would affect the distribution of forces to columns. Moreover, floors subjected to vertical loads are expected to bend or to change in curvature. While determining axial forces in columns using tributary area method are only governed by location of columns, actual distribution is governed by axial stiffnesses of columns and flexural rigidities (or slab thickness). This study aims at giving more insights on who forces are being transmitted to columns from slabs. Analytical...........

Keywords -Axial Forces, Tributary Area Method, Finite Element Method, SAP2000

[1] Leet K, Uang CM, Gilbert AM. Fundamentals of structural analysis (Chichester: McGraw-Hill; 2002).
[2] Connor, Jerome J., and Susan Faraji. Fundamentals of structural engineering (Springer, 2016).
[3] McCormac, Jack C. Structural Analysis: using classical and matrix methods (Hoboken, NJ: Wiley, 2007).
[4] Gross, Dietmar, et al. Mechanics of materials—formulas and problems (Springer, Berlin Heidelberg, 2017).
[5] Wilson EL, Habibullah A. SAP2000: integrated finite element analysis and design of structures (Computers and Structures, Berkeley, California. 1997)...

Abstract: Welding is one of the main activities of the construction of process plants and one observes the use of several indicators in the monitoring of its productivity. In this article, the behavior of the welding productivity of ASTM A-36 steel are evaluated with the Cored Wire (FCAW) process using the E71T-1C/M electrode and two shielding gases: ArC-25 (75% Argon and 25% CO2) and ArC-40 (60% Argon and 40% CO2). The specimens were welded with procedures that met the requirements of AWS D1.1 [37] and the welding consumables used were approved in the qualification tests of AWS A5.36M / A5.36 (2012). In this evaluation, the following indicators were employed: Melt-off Rate, Deposition Rate, Operating Factor, Deposition Efficiency and Welding Productivity. In view.........

Keywords -Welding Productivity, Operating Factor, Melt-off Rate, Deposition Rate, Deposition Efficiency, Monte Carlo Simulation

[1]. Souza, U. E. L. de. Como aumentar a eficiência da mão de obra: manual de gestão da produtividade na construção civil. São Paulo: Pini, 2006.
[2]. Gaither, N.; Frazier, G. Administração da produção e operações. São Paulo: Thomson Learning, 2002.
[3]. Adrian, J. J. Construction productivity: Measurement and improvement. Champaign, IL: Stipes Publishing, 2004.
[4]. Diekmann, J. E.; Heinz, J. Determinants of Jobsite Productivity: CII, 2001. 204p.
[5]. Schwartzkoft, W. Calculating lost labor productivity in construction claims. Austin: Aspen, 2004..