Radhikesh P. Nanda

Radhikesh P. Nanda
National Institute of Technology, Durgapur · Department of Civil Engineering

PhD Earthquake Engg. (IIT Roorkee, India)

About

58
Publications
18,549
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
602
Citations
Introduction
Dr. Radhikesh P. Nanda, working as an Associate Professor in the Dept. Civil Engineering, National Institute of Technology Durgapur, India, an institute of national importance . He has been involved in teaching and research activities since 2007. He completed his Ph.D. from Earthquake Engineering Dept., IIT Roorkee, India. His research focuses on Seismic vulnerability assessment and loss estimation, Earthquake resistant masonry buildings and use of sustainable materials in Building and Roads.
Additional affiliations
April 2010 - October 2015
National Institute of Technology, Durgapur
Position
  • Professor (Associate)
Education
July 2004 - October 2007
Indian Institute of Technology Roorkee
Field of study
  • Earthquake Engineering and Str. Dynamics

Publications

Publications (58)
Article
Full-text available
In a severe earthquake, the walls of brick buildings experience in-plane shear and out-of-plane bending, leading to diagonal crack and corner failure, respectively. In this study, an experimental investigation was carried out to observe the above damages on brick masonry buildings reinforced with geogrid embedded in bed joint mortar of the walls. I...
Article
In India piles are designed as per IS 2911:2010 (Part 1) for different soil conditions considering all the load criteria. But there is no such provision in Indian Standard Codes for designing piles in potentially liquefiable soils. In this paper, the design of pile foundation in liquefiable soil is discussed. The provisions for design of pile found...
Preprint
Full-text available
In the event of a severe earthquake, the walls of brick buildings experience in-plane shear and out-of-plane bending, leading to diagonal crack and corner failure respectively. In this study, an experimental investigation was carried to observe the above damages on brick masonry buildings reinforced with geogrid embedded in bed joint mortar of the...
Article
Full-text available
Earthquake-induced liquefaction increases the pore water pressure, reducing soil stiffness and allowing lateral movement of crust layer above the liquefiable layer, considerably damaging the piles. In this paper, an attempt is made to investigate the response of piles under liquefaction using a spectrum-compatible accelerogram corresponding to the...
Article
Wastes arising from construction and demolition (C & D) constitute one of the major streams in many countries. In this paper experimental investigation was carried to see the feasibility of C& D waste as road aggregates. From the grading analysis it was observed that using C& D wastes, strength criteria is being satisfied and meet the specification...
Article
Full-text available
Sustainable development pickup its importance as population of world is increasing day by day. Demand and supply of natural resource in construction of road is facing great challenge for world pavement industry. Parallel to this, there was big challenge to dispose construction and demolition(C&D) waste according to environmental and economic growth...
Article
Full-text available
Mix design for geopolymer concrete is yet to evolve. Though geopolymer concrete has made the much required transition from laboratory to the field, due to inherent difficulties such as huge variation in the chemical composition of the raw material, the sensitivity of this composition and the chemicals involved in the fresh and hardened properties h...
Article
Full-text available
When exposed to simultaneous in-plane and out-of-plane behaviour generated by earthquakes or high wind pressure, unreinforced masonry (URM) walls are vulnerable to failure. The paper presents the performance of brick masonry panels using non-woven geotextile in-plane shear and out-of-plane bending experimentally tested. The panels were reinforced w...
Book
Full-text available
Un-reinforced masonry (URM) structure is extremely vulnerable to seismic actions. Their susceptibility to collapse has provided the concussion to develop strengthening techniques to strengthen URM buildings. The numerical analysis of the in-plane behaviour of un-reinforced and geotextile strengthened brick masonry specimen, using a 3D macro nonline...
Article
h i g h l i g h t s Concrete incorporating fly ash, metakaolin and Recron 3s fiber has been studied. The compressive strength, split tensile and flexural strength have been investigated. Cement replacement with 10% Fly ash, 5% Metakaolin & 0.2% Recron 3s fiber enhanced the mechanical properties. a b s t r a c t In this study, an experimental study...
Article
An experimental investigation was carried out to study the strengthening performance of brick masonry prisms and panels via geogrid reinforcement embedded in brick mortar. A compressive strength test was performed for brick prisms, while a diagonal compression test was performed for brick panel with two patterns, i.e., geogrid reinforcement at b...
Article
Full-text available
Geosynthetic products have been utilized widely in numerous Civil Engineering construction. The paper presents in-plane shear performances of brick masonry walls strengthened with two varieties of geosynthetics. The walls were strengthened with geotextile surface wrapping using epoxy resins and geogrid reinforcement at the bed joints embedded in br...
Article
Full-text available
Heritage buildings are the dynamic linkage by each generation in the continuum of society. Once they are lost a part of history will be lost forever. 3D finite element analysis is carried to estimate the in-plane and out-of-plane performance of un-reinforced masonry wallette strengthened with geosynthetic. From the in-plane test it is estimated tha...
Article
Full-text available
The present study is based on the experimental investigation of glass fibre reinforced polymer (GFRP) strengthened reinforced concrete beams. The behaviour of control and GFRP strengthened beams under static loading is studied. The experimental method of investigation helps in evaluating the performance of RC beam with GFRP composites with various...
Article
Full-text available
In this study, two types of shear-deficient beams having different stirrup spacing (150 mm c/c and 300 mm c/c) were used. The performances of shear-deficient beam strengthened with externally and internally wrapped GFRP were tested under three-point bending monotonic loading. The load-carrying capacity of GFRP-wrapped beam was found to be significa...
Article
Full-text available
The out-of-plane flexural strength of masonry wallettes with different strengthening patterns using geotextile was studied experimentally and numerically. Three different patterns viz. parallel, diagonal and cross were used as strengthening of the wallettes on both sides. From the experimental study, it has been ascertained that strengthening using...
Article
Full-text available
In the present article, the performance of base-isolated infilled frames is studied analytically. The seismic performances of four RC buildings, namely RC bare frame without isolator, RC bare frame with isolator, RC infilled frame without isolator, and RC infilled frame with isolator are analysed. The results show a decrease in base shear value and...
Conference Paper
Full-text available
An un-reinforced masonry wall is subjected to simultaneous in-plane and out-of-plane activities under seismic loading. In this paper, the results of a group of tests with different strengthening patterns using geosyn-thetic of simultaneous in-plane and out-of-plane loadings on brick wallettes are illustrated. The wallettes were strengthened on one...
Article
Full-text available
Hospital buildings must be fully operational after the earthquake to protect the lives of patients as well as to provide emergency care and medical treatment to the victims. Prioritization and justification of founding of such hospital buildings is an effective step under earthquake disaster preparedness. In this work, a seismic loss estimation too...
Conference Paper
Full-text available
The present study is investigated the effectiveness of geogrid as shear reinforcement in shear deficit reinforced concrete beam by experimental observations and non-linear finite element simulations. Shear deficit RC beam specimens confined internally with geogrid material. Detailed 3D non-linear finite element analyses with perfect bonding of RC b...
Conference Paper
Full-text available
Unreinforced masonry (URM) walls are disposed to collapse once subjected to concurrent in-plane and out-of-plane actions caused by earthquakes or high wind pressure. The paper presents the performances of masonry panels by using non-woven geotextile under in-plane and out-of-plane loading were examined numerically. These had been strengthened on on...
Book
Full-text available
Odiya translation of The 'Guidelines for Earthquake Resistant Non-Engineered Construction' which was published by the International Association for Earthquake Engineering (IAEE) in 1986 with the objective of improving the seismic safety of non-engineered housing constructions. Such structures are usually built by common man across many developing c...
Article
The paper presents methodology for developing rapid visual screening score sheet for seismic vulnerability assessment of existing RC buildings based observed damage building stocks. This study takes into consideration the building attributes such as soft storey, substantial overhang, re-entrant corners, the age of buildings, apparent construction q...
Article
Many earthquakes in the past had shown that major damage to structures took place in the absence of proper design, construction, and quality control. Based on the extent of damages caused by earlier earthquakes and the building vulnerability parameters that has caused the damages, a statistical analysis was carried out to develop a vulnerability sc...
Research
Full-text available
The present study is based on the experimental investigation of glass fibre reinforced polymer (GFRP) strengthened reinforced concrete beams. The behaviour of control and GFRP strengthened beams under static loading is studied. The experimental method of investigation helps in evaluating the performance of RC beam with GFRP composites with various...
Conference Paper
Full-text available
Over the most recent two decades, numerous seismic retrofitting methods for unreinforced masonry structures have been widely used. This paper surveys the writing on seismic retrofitting systems for unreinforced masonry (URM) structures and looks at their points of interest and disservices to recognize the best and cost-effective retrofitting techni...
Conference Paper
Full-text available
There are a lot of researchers has been carried out over the last several decays on beam, column, beam-column joint, unreinforced masonry wall retrofitted with fibre reinforced polymer (FRP) in order to study their effectiveness. This paper reviews on the advantages and as well as disadvantages of FRP composite materials and different types of exis...
Article
A statistical regression method was used to model the relationship between the outcome variable, e.g. different damage grade of existing building during an earthquake, and the explanatory variables concerning the building attributes that enhance the vulnerability of building during an earthquake. The analysis was performed by employing a building d...
Article
This article proposes a promising seismic isolation method especially suitable for developing countries like India. This scheme includes the use of a rubber soil mixture. Here, the performance of a well-designed layer of sand mixed with shredded rubber as foundation isolation is studied numerically. The computer software ABAQUS CAE has been employe...
Article
Full-text available
The in-plane strength of solid clay brick masonry panels strengthened with non-woven geotextile was studied numerically and experimentally. The panels were strengthened on one side with different geometric pattern viz. parallel, diagonal and cross. These panels were subjected to diagonal compression. Finite element modelling with the micro non-line...
Conference Paper
Full-text available
Masonry infill considered as a non-structural element but it increases initial stiffness and strength of reinforced concrete frame buildings. The masonry infill walls will have openings for the purpose of doors and windows which are important parts of any structure. In the present study, it is experimented to grasp the performance of masonry infill...
Article
Full-text available
The effectiveness of a nonwoven geotextile–geomembrane liner as a foundation isolation system for RC buildings is studied analytically by considering artificial as well as recorded accelerogram as earthquake ground input motion. The concept of foundation isolation is applied by separating the foundation from the soil by a sliding friction interface...
Article
Full-text available
—Masonry infill which is considered as a non-structural element increases initial stiffness and strength of reinforced concrete (RC) frame buildings. Many urban multi-storey building in India today have open first storey as an unavoidable feature. This is primarily being adopted to accommodate parking or reception lobbies in the first storey. This...
Article
The out-of-plane performances of brick masonry panels with different retrofitting patterns using glass fibre reinforced polymers (GFRP) have been studied under three-point loading test. The panels were retrofitted on one side and both sides with different geometric configurations. The retrofitted specimens increased the failure load from 19.6 kN (U...
Article
Full-text available
The in-plane performances of brick masonry panels with different retrofitting patterns using glass fibre reinforced polymers (GFRP), have been studied under diagonal compression test. The panels were retrofitted on one side and both sides with diagonal and cross geometrical pattern. It was observed that the in-plane strength of the retrofitted patt...
Article
Full-text available
An economic hybrid base isolation system in the form of friction pendulum system (FPS) and pure friction (PF) sliding isolators is proposed. The effect of ground motion on the behaviour of a G+3 RC building mounted on hybrid isolators as well as on other support conditions are investigated analytically by using synthetic accelerograms that is compa...
Article
A relative in-depth review of current earthquake loss estimation software packages are given and compared in this paper. A simple and user-friendly tool for quick seismic risk assessment has been developed for Indian condition using spectrum-based, micro-level-based ground motion attenuation relation. The attenuation relation used here defines a su...
Conference Paper
Vulnerability Atlas of India states that about 80 million building units in India are vulnerable and pose unprecedented risk if earthquake strikes. The greatest challenge is therefore to identify those buildings by seismic evaluation procedure and rehabilitate those buildings so as to reduce the considerable loss to human life and property. The sei...
Article
A simple low-cost friction base-isolation system is examined for its applicability in reducing seismic vulnerability of rural buildings. Four friction isolation interfaces, namely, marble-marble, marble-high-density polyethylene, marble-rubber sheet, and marble-geosynthetic, were studied. The friction properties of these interfaces were studied und...
Article
Full-text available
The paper addresses earthquake protection for architectural masonry temples of India, which are supported over large marble pedestal. The concept of seismic isolation has been applied here to these temples by separating the super structure from the pedestal by a smooth friction layer in the form of marble/marble interface. The response of the base...
Article
Full-text available
In this study an updated deterministic seismic hazard contour map of Bhubaneswar (20°12'0"N to 20°23'0"N latitude and 85°44'0"E to 85° 54'0"E longitude) one of the major city of India with tourist importance, has been prepared in the form of spectral acceleration values. For assessing the seismic hazard, the study area has been divided into small g...
Article
Within minutes of shaking, the earthquake reveals the vulnerabilities of building structures, households, populace, and of a country. It acknowledges the influence of prevailing culture and way of life, on the capacity of the commonality to be preparedness for seismic hazard. Identifying buildings, whether having vulnerability or not is of critical...
Article
A micro level study of seismic risk assessment is proposed considering spectrum based on attenuation relation in Indian context. A seismic loss model using regional ground motion attenuation relation which allows specifying hazard on micro-seismic level in terms of source-site parameters of the scenario earthquake is used. The advantage of using at...
Article
While dealing with a large building stocks, one needs rapid visual screening procedures to identify buildings susceptible to earthquake damage. Relevant structural characteristic information is collected and used to determine a structural score, which should indicate if a building requires further investigation. This paper presents a procedure for...
Conference Paper
Full-text available
The paper addresses earthquake protection for architectural masonry temples of India, which are supported over large marble pedestal. The concept of seismic isolation has been applied here to these temples by separating the super structure from the pedestal by a smooth friction layer in the form of marble/marble interface. The response of the base...
Article
This paper provides a brief overview of rapid visual screening (RVS) procedures available in different countries with a comparison among all the methods. Seismic evaluation guidelines from, USA, Canada, Japan, New Zealand, India, Europe, Italy, UNDP, with other methods are reviewed from the perspective of their applicability to developing countries...
Article
Reinforced Concrete (RC) frame buildings with masonry infill panels are becoming increasingly common in urban and semi-urban areas all over India. Many such buildings constructed in recent times have a special feature of the ground storey being left open for the social purpose of parking, i.e., columns in the ground storey do not have any partition...
Article
The use of geosynthetic in civil engineering applications has experienced tremendous growth. The concept of seismic isolation is applied here for vibration control to masonry buildings by separating the superstructure from the foundation at plinth level by a sliding earthquake energy reducing friction layer in the form of green marble/geotextile sl...
Article
The performance of pure friction isolation system with respect to the frequency bandwidth of excitation and the predominant frequency is investigated. A set of earthquake ground motions (artificial as well as recorded [with different combinations of magnitude-distance and local site geology]) is considered for investigating effectiveness of pure fr...
Article
Full-text available
A feasibility study of friction base isolation system for seismic protection has been performed. Four different sliding interfaces, namely, green marble/High Density Poly Ethylene (HDPE), green marble/green marble, green marble/geosynthetic, and green marble/ rubber layers have been studied through experimental and analytical investigations. The ex...
Article
Full-text available
Masonry construction is the most popular and suitable for housing purposes in almost all developing countries. Base isolation in the form of pure friction is the simplest (P-F) among all isolation so far developed which can easily applied to low cost brick masonry buildings. The effect of the earthquake ground motion on the behaviour of isolation s...
Article
Full-text available
This paper presents the results of a laboratory study undertaken to investigate the effect of Marble dusts on strength and durability of an expansive soil stabilized with optimum percentage of Rice Husk ash (RHA). The optimum percentage of RHA was found out be 10% based on Unconfined Compressive Strength (UCS) tests. Marble dust was added to RHA st...
Article
Full-text available
Concrete paving blocks are ideal materials on the footpaths for easy laying, better look and finish. In this paper, a parametric experimental study for producing paving blocks using crusher dust is presented. Some of the physical and mechanical properties of paving blocks with fine aggregate (sand) replaced by various percentages of crusher dust ar...
Article
The performance of distributed base isolation using smooth geotextile for seismic protection of masonry buildings was studied. The concept of frictional base isolation is applied to masonry buildings by separating the superstructure from the foundation at plinth level by a sliding friction interface in the form of a nonwoven geotextile-smooth (mach...
Article
Full-text available
The concept of seismic isolation is applied here to rural dwellings by separating the super structure from the foundation at plinth level by a sliding earthquake energy reducing friction layer in the form of Green marble-Green marble sliding couple. The dynamic interface property of this sliding interface has been investigated. Shake table tests is...

Questions

Questions (8)
Question
We have learned IoT, ML, AI,.......lacking in modelling war losses/consequences

Network

Cited By