Venkateswarlu Hasthi

Venkateswarlu Hasthi
Indian Institute of Science Bangalore | IISC · Department of Civil Engineering

Doctor of Philosophy

About

30
Publications
8,739
Reads
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451
Citations
Additional affiliations
July 2016 - October 2021
Indian Institute of Technology Patna
Position
  • Research Scholor

Publications

Publications (30)
Article
The smooth surface texture of the commercially available geogrids limits the shear strength mobilization at the interfaces. This study presents the design, manufacturing, and interface performance evaluation of innovative textured geogrids. Geogrids with square, triangular, and hexagonal apertures with and without inherent surface texture were manu...
Article
The ability and freedom to translate complex conceptual creations into designs and prototypes using simple digital and mechanical tools make additive manufacturing (3D printing) attractive and rewarding to all fields that involve manufacturing. Though 3D printing is rapidly spreading into all fields of engineering and science, its scope in geotechn...
Article
One of the most governing factors in the design of the foundation supporting the vibration sources is to reduce the amplitude of vibration. Vibration generated from industrial machinery is frequency dependant, and frequency has a significant influence on these design factors. Therefore, this manuscript describes the influence of frequency of loadin...
Article
Three-dimensional (3D) printing technology is replacing most of the conventional manufacturing processes of civil engineering materials because of the control that can be offered on the properties of the materials produced. 3D printing is particularly beneficial for printing polymeric geosynthetics, which are used in soils to perform various functi...
Article
Though it is known that the geometric features of geogrids are crucial for deriving optimal interface shear strength, not much work is done to optimize the size and shape of the apertures relative to the particle size of the soils in contact. Most of the commercial geogrids have rectangular or square apertures, which are many times bigger than the...
Conference Paper
Full-text available
Isolation of foundations and structures from the ground vibrations has been one of the prime interests of geotechnical engineers. Over the years, different methods have been used to isolate the geotechnical structures from ground vibrations. The latest trend is to use the barrier systems made from the geocells in such applications. In this regard,...
Article
The reliable estimation of displacement amplitude is the prime factor for the design of geo-structures supporting the vibration loads. Currently, very subtle knowledge is available to compute the displacement amplitude of footing resting on the geocell-reinforced bed subjected to vibration loading. The advent of artificial intelligence modelling ha...
Article
The manuscript is aimed to provide numerous insights into the behavior of the geocell reinforced bed subjected to a vibration load. Vibration propagation mechanism, displacement, and stress response of geocell reinforcement have been described. Two different cases, namely, unreinforced and geocell-reinforced beds subjected to a vertical mode dynami...
Chapter
The isolation of foundation systems from the ground vibrations has been one of the prime interests of geotechnical engineers. Over the years, different methods have been adopted to isolate the foundation systems from ground vibrations. The latest trend is to use the barrier systems made from the geosynthetics in such applications. An attempt has be...
Article
Full-text available
This paper explores the applicability of rapidly growing machine learning techniques (MLTs) for predicting the vibration response of geocell reinforced soil beds. Peak particle velocity (PPV) is used as an indicator to represent the vibration response. Two machine learning techniques namely, Genetic programming (GP), and multivariate adaptive regre...
Article
Full-text available
The study discusses the potential use of geosynthetics in isolating the ground vibration emanated from the vertical mode dynamic excitation. A field study was conducted to investigate the screening efficacy of reinforced foundation beds. In the field study, vibration was generated using a mechanical oscillator. Four different cases, namely, unreinf...
Chapter
The present chapter describes the results of large-scale field vibration tests and cyclic plate load tests conducted on geosynthetics reinforced soil beds. A series of vertical mode block resonance tests are conducted over a rigid concrete footing resting on different reinforced soil conditions. The tests are performed in a test pit of size 2 m × 2...
Article
Full-text available
This manuscript evaluates the effect of various influencing factors on the vibration mitigation efficiency of geocell-reinforced foundation beds. Parameters investigated include the width of geocell, depth of placement of geocell below the footing, depth of embedment of footing, infill materials, and the dynamic force level of the excitation. The e...
Conference Paper
This study describes the influence of various factors on the dynamic response of geocell reinforced beds subjected to machine induced vibration. A series of field vibration tests were conducted on two different foundation beds, namely, unreinforced and geocell reinforced. The studied factors include depth of placement of geocell, the width of geoce...
Article
Full-text available
This paper describes the application of artificial neural network (ANN) and genetic programming (GP) methods in predicting the dynamic response of geogrid reinforced machine foundation bed. The dataset used in both models was determined through field bock resonance tests. A series of field tests were conducted over the unreinforced and geogrid rein...
Article
Full-text available
This paper describes the potential use of geocell reinforcement in mitigating the traffic induced vibration. The vibration caused by the vehicular movement was simulated over the unreinforced and geocell reinforced sections using a mechanical oscillator. The displacement amplitude and peak particle velocity were measured to understand the vibration...
Article
Full-text available
This paper investigates the isolation efficacy of geocell-reinforced foundation beds infilled with different materials through a series of block resonance tests. The geocell made with a novel polymeric alloy (NPA) was used in the experimental investigation. In total, five different cases — namely, unreinforced, geocell-reinforced silty sand, geocel...
Conference Paper
The present study investigates the efficacy of geosynthetics in improving the performance of machine foundation. A series of block resonance tests were conducted over the soil beds reinforced with the different type of geosynthetics. Three different cases, namely, unreinforced, geogrid reinforced, and geocell reinforced cases were considered. The e...
Article
This paper investigates numerically the potential use of cellular confinement systems in isolating the machine induced vibrations. The numerical analysis was carried out using the three dimensional explicit finite difference package FLAC3D. Primarily, the numerical model was validated with the results of field resonance tests, performed on the foun...
Article
Full-text available
The foundation beds are often subjected to dynamic loads due to many circumstances, such as earthquakes, traffic loads, and the machine vibrations in the case of the machine foundations. Excessive vibrations caused by the dynamic sources can lead to the structural damage of the foundation soil. Over the years, geosynthetics have been effectively us...
Article
The foundation beds are often subjected to dynamic loads due to many circumstances, such as earthquakes, traffic loads, and the machine vibrations in the case of the machine foundations. Excessive vibrations caused by the dynamic sources can lead to the structural damage of the foundation soil. Over the years, geosynthetics have been effectively us...
Conference Paper
The behavior of the machine foundation resting on the geosynthetic reinforced soil bed is not well understood yet. The present study investigates the efficacy of geosynthetics reinforcement in supporting the machine foundations. 3D numerical studies have been performed using the explicit finite difference package FLAC3D. The behaviour of a square f...
Article
The manuscript describes the results of large scale field tests and numerical studies conducted on geosynthetics reinforced soil beds supporting model machine foundation. A series of vertical mode block resonance tests are conducted over a rigid concrete footing resting on different reinforced soil conditions. The tests are performed in a test pit...
Conference Paper
Geosynthetics are being widely used as a reinforcement material in the construction of Mechanically Stabilized Earth (MSE) walls. The strength and stability of these walls are depending upon the interface behavior between soil and reinforcement material. It is understood from the literature review that the dynamic interface properties of soil and g...

Questions

Question (1)
Question
Respected to everyone, currently, I am working on the behavior of different soil materials on the dynamic response of Geosynthetics reinforced soil. The behavior of reinforced soil mass is depends upon the gradation of the soil particles. Hence, I would like to quantify the particle shape of the different soil materials in terms of roundness (R), sphericity (S), and regularity. So, kindly suggest me the best possible methods for the estimation of above spoil particle parameters.

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