All articles
109 articles
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Tunnel Stability under Different Conditions: Analysis by Numerical and Empirical Modeling
Abstract: Abstract Stability of the tunnels under different geotechnical conditions can be effectively assessed using numerical modelling techniques. In this paper, the stability of tunnel was analyzed along with support requirement, based on stress distribution around tunnel, using the finite element modelling software – NISA. A case study was taken up of a tunnel proposed by Karnataka Netravari Nigam Limited near Siddapura, Udupi District, Karnataka, India. Results from finite element modeling …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 1, Issue 2, 2015 · pp. 1–13 Read article
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Evaluation of Soil Reinforcement Potential of Grass Variety
Abstract: Reinforcement potential of plant root is studied by many researches across the globe. This work aims to analyze the effect of grass root in the improvement of engineering properties of soil. Plant roots being a natural material help in enhancing the shear strength of soil. Field and laboratory studies were conducted on a grass variety (Co-4) and the soil reinforcement potential of the plant is studied. It is found that …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 1, Issue 1, 2015 · pp. 14–18 Read article
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Seismic Bearing Capacity of Strip Footing Subjected to Eccentric Load
Abstract: Reinforced soil bed is improved soil strata from its weak unreinforced original form. By introducing reinforcing ties or strips the soil bed improves on its strength and is rendered less settleable. The compensations of introducing reinforcements have been widely studied by many researchers. The present work has evaluations, formulations and calculations for bearing capacity under certain seismic excitation when the strip footing on reinforced soil was subjected to eccentric loading. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 4, Issue 1, 2018 · pp. 13–22 Read article
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Seismic Hazard Assessment of Dehradun City
Abstract: Seismic hazard assessment refers to an estimation of ground motion parameters at any site or region. In the present study seismic hazard assessment is performed for the Dehradun city which lies in a highly seismic region in the Himalayan foothills. Based on the seismicity data provided by IMD, New Delhi and Seismotectonic Atlas of India (GSI, 2000), seismicity was described and 24 seismotectonic sources were identified in the study area. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 4, Issue 1, 2018 · pp. 6–12 Read article
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Admixtures Effect on Consistency Limits and Shrinkage Characteristics of Expansive Soil
Abstract: Effective usage of admixtures into the soil mixtures improves the characteristics of the soil for better construction. Particularly admixtures such as rice husk ash (RHA), quarry dust (QD) and flyash (FA) showed greater effect on the two types of expansive soils namely black cotton soil (BCS) and clayey soil. The percentage of admixtures is in the range of 0 to 30% at an interval of 10%. This study showed effective …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 4, Issue 1, 2018 · pp. 1–5 Read article
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The Environmental Impact of Soil Pollution on Human Health
Abstract: Soils are shaped by the decomposition of rock and organic matter over several years. Soil properties vary from place to place with difference in bedrock composition, climate and other factors. Certain chemical elements occur naturally in soils as components of minerals, yet may be toxic at some concentration. Various other potentially harmful substance may end up mixing with soils through human activities. This may lead to soil contamination which in …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 29–34 Read article
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Landslide Monitoring, Detection and Warning System by Wireless Sensor Network (WSN)
Abstract: Wireless sensor network (WSN) is one of the most hopeful field and has uncountable applications in the real-time systems. Execution of WSN in real-time system for landslide detection and warning system is discussed in the present paper. Sliding of rocks and soil is called landslide. It is triggered mostly because of heavy rainfall or melting of snow and can cause loss of lives and property. Using real-time monitoring the landslide …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 24–28 Read article
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A Review of Geophysical, Geochemical and Geotechnical Study of the Marine Soil of Mahakalapada With Special Allusion to Its Stratigraphic Set-up
Abstract: The present study deals with the marine soil properties collected from Mahakalapada of Kendrapara district in Odisha. Five numbers of saturated soil samples were collected from 2ʹ to 3ʹ below the earth surface and were mixed thoroughly to get the best result. The soil was initially air dried in open atmosphere prior to the testing. The various properties of each sample was calculated either in-situ or in the laboratory. The …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 16–23 Read article
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A New Model for Prediction of Wellbore Stability Using the Three Dimensional Hoek–Brown Failure Criterion
Abstract: Wellbore stability is one of the crucial issues in oil and gas industries. The issues related to instability of wells, impose significant unwanted costs on drilling operation.The objective of this paper is to present the 3D-wellbore stability prediction models for vertical wellbores. The three dimensional Hoek–Brown strength criterion developed by Zhang and Zhu conjunction with linear poroelastic constitutive model is utilized to develop the models. This models leads to easily …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 10–15 Read article
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Application of High Speed Videography and Digital Image Processing Software to Assess Performance of Blasts In Opencast Mines: A Case Study
Abstract: Rock mass can be fragmented by the process of blasting in which a known volume of the yield is obtained by using a calculated quantity of explosive. The explosive selected for blasting depends on factors like rock mass parameters, blasting economics and blast design. Assessment of the performance of a given blast is essential in the larger economics of the mining project. A study was conducted to know the blast …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 1–9 Read article
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Study of Different Types of Concrete
Abstract: The main objective of the present paper is to study about the different types of concrete and its use according to its properties in different areas in our thesis we have briefly discussed about the property of the concrete. In this thesis, the use of concrete along with the addition of other material to make is more economical for the use and to get proper strength with addition of the …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 70–76 Read article
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Suitability of Bamboo as a Reinforcing Material in Flexible Pavement Design
Abstract: In Engineering Programme, soil stabilizations very much important for gaining proper knowledge about ground improvement. Ground improvement technique is one of the challenging task involving inputs from geotechnical engineering sector. In our project, we had to go through different techniques for improving the engineering characteristics of the ground. Through this project an endeavor attempt was made to improve the ground using bamboo as a reinforcing material for flexible pavement considering …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 47–69 Read article
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Condition Assessment of Structures Using Vibration Technique
Abstract: Structural Health Monitoring grasps the Promise for enhancing the structural performance with an outstanding cost/benefit ratio. Condition assessment is a technique used in health monitoring in the damage detection, to ensure the serviceability and the durability of the structures. In the present report, condition assessment of the structures using low frequency technique is being completed through experimental modal analysis and computational analysis software ANSYS 9.0 over structural elements beam and …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 36–46 Read article
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Analysis of Economical Design of RCC Water Tanks of Different Shapes
Abstract: The various overhead water tanks are constructed for direct distribution by gravity flow without pumping and are usually of capacities ranging from 50 to 3000 KL. All the tanks are designed as crack free structures to reduce any leakage. The present article gives in brief, the theory behind the design of liquid retaining structure (circular water tank with flexible and rigid base and rectangular underground water tank). The present paper …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 29–35 Read article
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Prediction and Assessment of Lateral Displacement of Rock Mass Along the Length of the Horseshoe Cavern – A Numerical Modelling Approach
Abstract: The stability of the underground structures is a key to successful underground mining. Caverns are large underground openings constructed in rock mass for a variety of purposes. The properties of intact rock mass are generally overshadowed by the properties of discontinuities, if the discontinuities are present. Mechanisms of deformation and failure of underground openings in jointed rock mass are determined by the characteristics of the geometrical distribution of discontinuities. This …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 17–28 Read article
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Development of Attenuation Relationships for Underground Blasts: Different Equations
Abstract: Blasting operation becomes essential for excavation in weathered and hard rock strata for construction and mining activities. The Indian Standard and industrial practice of establishing the site specific attenuation relationship recommend Power form of relationship between the PPV the scaled distance with an exponent of 2/3 (IS) and 1/2 (industrial practice). In this paper, three different equation forms and five different exponents were explored for modelling the aforementioned relationship for …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 8–16 Read article
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Soil Stabilization with Waste Shredded Rubber Tyre Chips
Abstract: Soil stabilization means modification of the soil properties by the addition of any other material to meet the required engineering requirements. Construction engineering structures on the weak soils are considered to be unsafe. The load bearing capacity of these weak soils can be improved by means of various ground improvement techniques. Use of waste shredded rubber tyre chips in geotechnical engineering for enhancing the soil properties has received great attention …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 1–7 Read article
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Different Types of Pollutants and Their Impact (Soil, Air and Water)
Abstract: Pollution is an environmental problem that can lead to – among other things – global warming, acid rain, and the ozone hole formation. The status of air pollution is changing and there are many different air pollutants being a part to it. When pollutants are released into the air, they interact with each other in a complex manner depending on temperature, humidity and other environmental factors.
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 2, 2016 · pp. 24–30 Read article
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Research Insight on Everest Contaminated by Toxic Metals
Abstract: The goal of this investigation of the Everest was to look at follow component fixations and altitudinal patterns in soil and snow. Mount Everest was chosen since its remote area and amazing height disengages it from limited contamination sources. Soil tests were gathered from Mount Everest by different specialists and the examples were broke down for Pb, Zn, Cd, Ni, Cr, Co, Cu, As, Mn, Hg, and V utilizing inductively …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 2, 2016 · pp. 21–23 Read article
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Analysis of Stability of Slope Subjected to Blast Vibrations: A Numerical Modelling Approach
Abstract: Numerical simulation was employed to estimate the dynamic behaviour of the canal slope under blasting load based on the blast vibration field test of Yanakandla Mine, Kurnool District of Andhra Pradesh. Blast vibrations were monitored at different distances and based on the data obtained a regression curve was generated. The study consisted of slope stability analysis of the canal near the mine using Distinct Element Modelling technique in 3DEC software. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 1, 2016 · pp. 39–47 Read article