Abstract: This study aims at comparing the optimum design of two common types open web expanded beams: with hexagonal openings, also called castellated beams and beams with circular openings referred to as cellular beams. The minimum weights of both beams are taken as the objective functions while the design constraints are respectively implemented from The Steel Construction Institute Publication Numbers 5 and 100. The design methods adopted in these publications are consistent with BS5950 parts. The formulation of the design problem considering the limitations of the above mentioned turns out to be a discrete programming problem. Improved harmony search (IHS) algorithm is suggested to compare the optimum design of mentioned web-expanded beams to analysis the performance of both beams. The design algorithms based on the technique select the optimum Universal Beam sections, dimensional properties of hexagonal and circular holes and total number of openings along the beam as design variables.

• Publication Date: 19-Aug-2016
• DOI: 10.15224/978-1-63248-101-6-56
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Abstract: Construction and subsequent maintenance of pavements in good condition has become quite problematic During monsoon season the natural subgrade soils become soft and pose serious problem ,To the movement of vehicular traffic, Instead of cutting out and replacing the unstable soil, soil adjustment is the only alternative as it saves lot of time and millions of money too. Soil adjustment can be defined as the change of the soil properties by synthetic or physical means keeping in mind the end goal to improve the designing nature of the soil. This paper presents the result of comprehensive laboratory investigation over behaviour of stabilised black cotton soil using Terrasil and Zycobond as nano- chemical based stabiliser. The soil is stabilised in different proportions and combination of Terrasil and Zycobond.

• Publication Date: 19-Aug-2016
• DOI: 10.15224/978-1-63248-101-6-77
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