
Sreevalsa KolathayarNational Institute of Technology Karnataka | NITK Surathkal · Department of Civil Engineering
Sreevalsa Kolathayar
PhD
looking for potential collaborators
About
163
Publications
163,132
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Introduction
RESEARCH INTERESTS
• Ground Motion Attenuation & Seismic Hazard Assessment
• Local Site effects & Liquefaction Susceptibility
• Geotechnical structures under Seismic Loading
• Disaster Risk Reduction (Earthquake Readiness Index, Disaster Geotechnics)
• Geosynthetics in Infrastructure
• Soil Stabilization and fiber reinforcement
• Dikes on soft grounds (Stability Analysis and Settlements)
• Geotechnical considerations for coastal reservoirs
Additional affiliations
April 2013 - May 2013
May 2009 - July 2009
Education
August 2009 - March 2013
July 2007 - May 2009
Publications
Publications (163)
This note shows a study on the seismic passive earth pressure behind a non-vertical cantilever retaining wall using pseudo-dynamic
approach. A composite failure surface comprising of an arc of the logarithmic spiral near the wall and a straight line in
the planar shear zone near the ground, has been considered behind the retaining wall. The effects...
An updated catalog of earthquakes has been prepared for the Andaman-Nicobar and adjoining regions. The catalog was homogenized to a unified magnitude scale, and declustering of the catalog was performed to remove aftershocks and foreshocks. Eleven regional source zones were identified in the study area to account for local variability in seismicity...
We prepared an updated earthquake catalog that is uniform in moment magnitude for India and the adjoining area for the period from 250 BC until 2010. We established region-specific magnitude scaling relations for the study region, which facilitated the generation of a homogenous earthquake catalog. By carefully converting these original magnitudes...
This paper explores the geotechnical feasibility for constructing coastal reservoir in Arabian Sea off Mangaluru coast. This envisages storing fresh water in a reservoir along the coast by building a sea dike to impound the flood waters of Netravati River. On one side, the dike will ensure the required quantity of freshwater flow from Netravati Riv...
The rapid development of urban areas and the increase in construction activities have resulted in a scarcity of land with favorable soil conditions, necessitating the use of locally available weak soils for construction activities through stabilization techniques. This study introduces a new material, areca fiber, and its suitability as soil reinfo...
This study investigates the use of coconut shells as a sustainable reinforcement material to enhance the bearing capacity of sandy soil. Laboratory model tests were conducted to assess the performance of coconut shell-reinforced sand as a foundation medium. Different shell arrangement patterns were analyzed and compared with the performance of HDPE...
This paper examines slope stability issues at the All-India Radio Telecommunication tower site in Kodagu, Coorg, Karnataka, India, where the hillock on which the tower stands has shown signs of instability after the monsoon of 2022. This study proposes reclamation strategies to mitigate future landslips in the region. A spatial analysis utilizing o...
This study proposes an innovative hybrid earth retention system to stabilize slopes for a road-widening project in Dakshina Kannada, Karnataka, India. The system combines soil nailing, geogrid reinforcement, geocell walls, and biotechnical stabilization-popular geotechnical techniques aligned with sustainable development goals. These methods were e...
The stability of the slope plays a significant role in the formation and development of landslides. Among numerous slope stabilizing techniques, the reinforcement using anti-slide piles is an efficacious method for mitigating slope failures. These piles are usually installed in a row with uniform spacing, which will anchor the unstable zone to the...
Please find the article in the following shareable link https://rdcu.be/d36cC
The present study aims to evaluate the seismic hazard and liquefaction potential for Amaravati capital region (16° 4′–16° 49′ N and 80° 7′–81° 2′ E) using the latest earthquake data and in-situ geotechnical data. A state-of-the-art Probabilistic Seismic hazard assessment was carried out for the region, and PGA values were obtained for Maximum Credi...
Deterministic seismic hazard analysis (DSHA)
is a technique employed to estimate potential hazards and
ground shaking resulting from specific earthquake scenarios
at a given location. In the present study, DSHA is conducted
for the Sree Padmanabhaswamy Temple, situated in the
southernmost district of Kerala, India. This seismic hazard
study is cruc...
This extensive volume addresses a range of environmental challenges and explores sustainable solutions across various domains. The research encompasses studies on paper consumption trends, thermal energy storage systems in green buildings, health risks associated with long-term noise exposure in urban areas, and passive design principles for buildi...
The work focuses on creating a hybrid retaining wall using geocell, geogrid, and soil-nailing techniques for a road embankment in Mangalore, India. Soil nailing reinforces the soil, geogrids give extra support, and geocell serves as a protective facia against external weathering impacts, decreasing the requirement for conventional shotcreting and l...
This comprehensive overview explores recent advances in structural engineering with a focus on sustainability, resilience and performance evaluation of structural members. In the contemporary construction landscape, where environmental concerns and resource limitations significantly influence design practices, the integration of sustainability prin...
In the pursuit of creating resilient and sustainable communities, the field of civil engineering has witnessed remarkable strides driven by innovation and interdisciplinary collaboration.
The modern built environment faces diverse hazards, emphasizing the need for engineering practices prioritizing safety and resilience. This exploration delves into key aspects of civil engineering: Accessibility and Convenience, Geotechnical Engineering, Risk Analysis and Structural Analysis. It aims to provide a foundational understanding of multi...
In the times of mounting infrastructure demands driven by rapid population growth, the pivotal role of geotechnical investigation in assessing the suitability of construction sites, especially on soft, compressible ground, cannot be overstated. However, the necessity to adhere to packed construction schedules has increased the prevailing trend of r...
This study comprehensively analyzes seismic active earth pressure estimation for hunched retaining walls. The analysis utilizes the horizontal slices method within the modified pseudo-dynamic framework and incorporates depth-dependent dynamic parameters for the backfill soil. The friction angle of the backfill soil varied between 30° and 45°, while...
The increased frequency of landslides and associated devastations necessitates developing sustainable mitigation measures. The present paper aims to appraise the research developments in enhancing slope stability using anti-slide piles for landslide mitigation. The previous researchers made an immense effort to identify the soil–structure interacti...
A power plant is an essential structure that powers various sectors of the economy. It is vital to ensure the safety of such structures from natural hazards like earthquakes. The probabilistic seismic hazard analysis (PSHA) is the most advanced method of estimating earthquake hazards and risks. PSHA is the standard method for making site-specific,...
Piles are generally adopted as the foundation in groups; pile group efficiency reduces with an increase in the number of piles in a pile group. For regular pile groups, pile group efficiency will be lesser than 90%. This paper attempts to increase the lateral resistance of the pile group by adopting innovative finned piles. Small-scale model experi...
Rainfall Induced landslides are one of the most influential disasters in the monsoon season for rainfall-rich parts of India, primarily southern and northeastern. Landslides are geotechnical phenomena that can be studied by conducting field experiments, laboratory experiments, and numerical modeling. Various methods can be adopted to study landslid...
In the present study, seismicity data analysis of Sree Padmanabhaswamy Temple, Thiruvananthapuram District, Kerala, India, has been performed. The area is having a radius of 500 km with Sree Padmanabhaswamy Temple (8.48°N Latitude and 76.94°E Longitude) as the center. Earthquake catalog from 1822 to 2021 has been compiled and homogenized into equiv...
Finned pile foundation systems are advantageous at resisting lateral loads, particularly for offshore foundations. They can replace large-dimension monopiles. This paper evaluates the lateral load resistance of finned piles for onshore foundation applications. The dimensionless factor fin-efficiency is used to quantify the improvements in the resis...
In the present study, earthquake-induced landslide susceptibility mapping of the two newly formed union territories of India namely Ladakh, and Jammu & Kashmir has been done based on Newmark’s methodology using GIS techniques. The vulnerability of the study area against induced seismic acceleration was estimated in terms of static safety factor (FS...
This paper presents a methodology to identify the controlling parameters of rainfall-induced landslides. Two laboratory scale model of a typical slope has been created with the help of a tilting flume setup incorporated with rainfall simulators to understand the landslide fluidization process using various sensors and cameras. The results obtained...
Anti-slide piles are widely used as a reinforcement technique for stabilizing slopes as part of landslide mitigation. The interaction between the anti-slide piles and sliding soil mass is best explained using the soil arching effect. The analysis of slopes stabilized with anti-slide piles can be carried out using either an uncoupled or a coupled ap...
High-rise building safety is generally supported by pile-mat systems. They must be sturdy enough to withstand potential lateral loads brought on by earthquakes, wind, dredging, and machine vibrations, in addition to increased axial loads. An innovative piled-mat foundation system is required to deal with these impacts because standard pile foundati...
Phuentsholing is a thriving border town in the southwestern part of Bhutan. With the development of infrastructure over time, the safety of the residence and lifeline buildings becomes a matter of concern. Bhutan lies in the Himalayan mountain ranges, which is considered one of the most active regions for seismic events. The Indian seismic code, IS...
This paper presents the Deterministic Seismic Hazard Analysis for Grand Ethiopia Renaissance Dam (GERD) (11.2183ºN, 35.0941ºE). This area is of special importance because GERD is the largest hydroelectric power plant in Africa and the seventh-largest in the world. The Hazard analysis was done using linear sources present near the dam site (Inferred...
This paper presents a seismically induced landslide hazard assessment for the state of Arunachal Pradesh, India, based on GIS techniques. A comprehensive earthquake catalog was prepared with data from various sources like USGS, ISC, etc., within a rectangular enclosure having a distance of 500 km in four cardinal directions from the Arunachal Prade...
The cellular confinement systems are becoming popular in ground improvement because of their efficiency in improving the bearing capacity of soil due to the lateral confinement effect. The commercially available geocells are made from polymer materials and they are costly. This study presents the performance evaluation of coconut shell mat as a cel...
Understanding and developing frameworks to quantify disaster preparedness levels is the first step that should be taken in the process of building a disaster-resilient society. This paper presents the use of Disaster Preparedness Index Tool to assess the preparedness level of each and every individual to face an impending natural disaster. It is a...
In this dynamic earth, each and every place is affected from natural, technological, biological, environmental hazards and/or related impacts. Depending on the extent of resilience measures in place and socioeconomic status of the countries, their infrastructures and environmental sensitiveness, the damage, and loss patterns are exposed. So to ensu...
In the present study, the Probabilistic Seismic Hazard Analysis (PSHA) has been carried out for a powerplant site in Chittagong using the latest available information on seismicity in the region. The latest updated earthquake catalog homogenized in uniform moment magnitude scale was prepared. Seismicity analysis was carried out, and the seismicity...
Sustainability and resilience should be highest priorities in urban planning and city development to sustain life through the adverse effects of disasters. This chapter summarizes the contents of the book volume on City Resilience and Sustainable Infrastructure. The book discusses key topics such as resilient infrastructure in construction, innovat...
This chapter presents the definitions and concepts of disaster risk reduction and its relation to the discipline of civil engineering. It is important to have the infrastructure resilient to disaster. In addition, civil engineering has the potential to offer solutions that can reduce the risk during a disaster. The disaster risk can be reduced by r...
A landslide is a life-threatening event causing large infrastructural damages. The major causes for landslides are rainfall, earthquakes, blasting, and other man-made activities. The landslides can happen even without human interference, and hence, it can be classified as a natural process. The population expansion in landslide-prone areas demands...
This book presents the select proceedings of the Virtual Conference on Disaster Risk Reduction (VCDRR 2021). This book discusses various relevant topics such as Disaster resilience and Infrastructure, Risk reduction and structural measures, Evidence based approach for DRR Case studies, Numerical modelling and Constructions methods, Prevention Metho...
This book presents the select proceedings of the Virtual Conference on Disaster Risk Reduction (VCDRR 2021). It emphasizes on the role of civil engineering for a disaster resilient society. It presents latest research on climate change and water security focusing on disaster risk reduction. Various topics covered in this book are climate change, st...
The book is a comprehensive volume on multi-hazards and their management for a sustainable built environment. It focuses on the role of civil engineering in building disaster resilient society. This book brings together all diverse disciplines of civil engineering and related areas (for example, geotechnical engineering, water resources engineering...
This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of earthquake engineering connected with structures. Some of the themes include soil structure interaction, dynamic analysis, underground structures,...
This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of soil dynamics and geotechnical earthquake engineering. Some of the themes include ground response analysis & local site effect, seismic slope stabi...
This paper makes an attempt to review historical and recent seismicity in Delhi and presents updated seismic hazard map of Delhi integrated with ward-wise classified population data. Earthquakes are not destructive unless other factors that enhance the damage prevail. Population density and types or quality of buildings in an area are two such impo...
A comprehensive Deterministic Seismic Hazard Assessment (DSHA) of the North and Central Himalayas (NCH) is attempted in the current study using recently developed strong-motion data based region-specific Ground Motion Prediction Equations (GMPEs). Two source models, linear and point sources are used for hazard assessment. An updated seismotectonic...
Chittagong District is one of the most significant and flourishing coastal regions in the southeastern part of Bangladesh. It lies in the active tectonic framework which has experienced several major earthquakes in the past. Due to its economic, cultural, and military significance, it is of utmost importance that the structures are safe from seismi...
In modern developing countries like India, more preference is given to infrastructure development to enhance the requirement for the corresponding needs, which
leads to its contribution toward schemes like Make in India, Digital India Program,
Urban Infrastructure Development, Samudra Setu, etc. These schemes utilize the
large capital to achieve th...
Recently developed region-specific GMPEs are used for a comprehensive seismic hazard analysis (SHA) of the North and Central Himalayas (NCH) using a probabilistic approach considering two source models. Vulnerable seismic sources in the areas are identified based on the Seismotectonic Atlas (Dasgupta et al. 2000), published by the Geological Survey...
It is essential to understand the soil characteristics of the subsurface layers for any engineering construction. In difficult terrains like hilly areas, conventional methods of investigation are expensive and difficult to conduct. It calls for non-destructive testing methods to get reliable estimates of subsurface properties. In the present study,...
This paper presents the seismic site characterization carried out for Karnataka (state level) as well as for India (country level) using topographic slope map derived from Digital Elevation Model (DEM) data. Two DEM data, SRTM, and ASTER were used to derive the slope maps. For Karnataka (state level), the slope map was generated from ASTER DEM cons...
This paper presents a detailed review of past research studies on trenching techniques for vibration isolation. With rapid urbanization and fast-growing infrastructures in developing countries like India, it is very likely for many structures subject to vibrations from earthquakes, traffic movements, or machine vibrations. Though the trench techniq...
This paper presents an overview of Thanneermukkom bund with its implications on water security in the region as a freshwater reservoir in the southwest coast of India. The bund was constructed in 1974 to convert southern part of brackish Vembanad Lake into a freshwater reservoir to augment agricultural activities. This paper reviews past studies on...
This book presents select papers from the International Conference on Smart Materials and Techniques for Sustainable Development (SMTS) 2019. The contents focus on a wide range of methods and techniques related to sustainable development fields like smart structures and materials, innovation in water resource development, optical fiber communicatio...
The world economy is surging and newer technologies are evolving with the time. The construction sector is about to undergo a huge transformational change. The people of the world are looking forward to residing in houses made of sustainable materials. The people are concerned about increasing levels of greenhouse gases in the atmosphere. The cemen...
Present study focuses on developing region-specific New Generation Ground Motion Prediction Models using Artificial intelligence technique for North India purely based on a measured ground motion data from specific region. Simple single hidden layered feed forward multilayer perceptron networks with back-propagation learning algorithm are used. A t...
This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of soil dynamics and geotechnical earthquake engineering. Some of the themes include seismic risk assessment, engineering seismology, wave propagation...
This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of soil dynamics and geotechnical earthquake engineering. Some of the themes include slope stability, shallow & deep foundations, geosynthetics, groun...
This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of soil dynamics and geotechnical earthquake engineering. Some of the themes include seismic design of deep & shallow foundations, soil structure inte...
This volume brings together contributions from world renowned researchers and practitioners in the field of geotechnical engineering. The chapters of this book are based on the keynote and invited lectures delivered at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The book presents adv...