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Frequency: 12 issues per year
ISSN: 2250–3005 (online version)
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International Journal of Computational Engineering Research

(IJCER)

 

Articles

 

Research Article  open access
Novel Rocking Pier on Pile Foundation
Rajesh R. Rele || Pradeep K. Dammala || Ranjan Balmukund
India
International Journal of Computational Engineering Research, Volume 10 ~ Issue 04 (April – 2020)

Abstract

Considering the current scenario in which we see major earthquakes where the structures are damaged severely beyond repairs, we need such a foundation which shall suffer only minimal damage. This paper proposes novel rocking pier with elastomeric pad installed at top of pile cap along with external restrainers made up of shape memory alloy (SMA) bars. The effect of pile soil interaction along with ground response analysis is also incorporated in the individual pier model adopted for the study. The earthquake waves amplify at the ground surface and the response of soil profile was analyzed using a 1D equivalent site response program. By performing non-linear dynamic time history analysis, a comparison with a fixed based pier at pile cap top and the novel rocking pier is been studied. It has been found that the proposed pier has good recentering capability and better performance during seismic than the conventional pier adopted in current design practice.The novel rocking pier experienced lesser forces and negligible permanent drifts due to its controlled rocking behaviour by using smart material in the form of SMA bars.

Keywords: Resilient Pier; Shape Memory Alloy; Elastomeric pad; Bridge pier

Research Article  open access
Estimation of Runoff using SCS-CN Method and Geomatics Approch for Rela Watershed, Rajasthan
K. Hema Narayana Reddy || Dr. Mahesh Kothari || Dr. K. S. Reddy || Dr. P. K. Singh || Dr. K. K. Yadav
India
International Journal of Computational Engineering Research, Volume 10 ~ Issue 04 (April – 2020)

Abstract

Runoff is one of the most significant hydrological factors utilized in the vast majority of the land and water assets applications. It is a fundamental parameter at smaller scale level to address soil and water protection rehearses in a watershed. Curve Number (CN) technique is primarily utilized for assessing infiltration attributes of the watershed, in view of the land use property and soil property. The Curve Number (CN) is a land-cover list for the given land use-land cover class, elevation and soil type to decide the measure of precipitation that infiltrate into the ground and the sum that becomes overflow for a particular tempest occasion (USDA, 1986). It is important to measure the possible changes in the surface runoff in a watershed as an effect of the arranged or spontaneous changes made in the land use. The purpose of the current examination is to investigate the spillover time arrangement over a wide time interim, distinguishing potential examples and assessing their importance.........

Keywords: Rainfall, SCS-CN, Runoff, Remote sensing and GIS, Land Use/ Land Cover, Rela Watershed, Curve number.