Strategic Location of Fluid Viscous Dampers in High-rise Reinforced Concrete Buildings for Seismic Resilience: A Comparative Analysis Sai Datta Phanindranath Tallapragada, Venkata Gopala Dhana Rao Balaji Kokkirala, Ramesh Bantupalli, Markandeya Raju Ponnada, Chitti Babu Kapuganti Journal of Engineering and Technological Sciences, 2025 High-rise reinforced concrete (RC) buildings are highly vulnerable to seismic forces due to their inherent structural limitations, necessitating effective energy dissipation mechanisms. Conventional damping strategies often fail to adequately control excessive vibrations, leading to potential structural damage. Fluid Viscous Dampers (FVDs) offer a novel approach by significantly improving energy dissipation and reducing seismic responses. However, the optimal configuration, placement, and quantity of FVDs in high-rise buildings remain insufficiently explored, necessitating this study. This research introduces a novel damper placement framework by investigating the strategic positioning of FVDs in a 25-storey RC benchmark building, evaluating 80 damper configurations using non-linear time history analysis in ETABS. The study compares Strategic Location Formats (SLFs) against Arbitrary Location Formats (ALFs) and Uniformly Distributed Frames (UDFs) to determine the most effective and economical damper placement strategy. Findings reveal that SLFs achieve superior seismic performance while using significantly fewer dampers, demonstrating an innovative and cost-effective approach to structural damping. SLFs achieve up to 45% reduction in displacement, 56% reduction in inter-storey drift, and 54% reduction in base shear, using only 36 dampers, compared to 96 in ALFs and 192 in UDFs. Additionally, SLFs are highly cost-efficient, requiring only 9% of total construction costs, compared to 24% for ALFs and 49% for UDFs. This study establishes a novel, performance-based damper placement framework, offering a scientifically validated methodology for optimizing seismic resilience while maintaining economic feasibility. These findings make SLFs a transformative solution for high-rise RC buildings in earthquake-prone regions.
Grey Earned Duration Management Chitti Babu Kapuganti, K.V.G.D Balaji, T. Santhosh Kumar, Sudhakar Mogili Iop Conference Series Earth and Environmental Science, 2024 Project management is the process of planning, organising, leading, monitoring, controlling, and closing a project. Earned Value Management (EVM) is the conventional method for monitoring and controlling construction projects. Schedule monitoring with EVM has a lower impact since it measures in budgetary terms. Earned Duration Method (EDM) was presented, which decouples schedule and cost aspects. The parameters in EDM monitors the health of the project schedule and gives the estimated completion date. EDM results are indeterministic, so the estimators require expertise in order to comprehend them. For this purpose, the present study proposes a new methodology entitled “Grey Earned Duration Management (GEDM)” by associating EDM and grey theory. From GEDM, estimators can get a clear idea about the degree of control measures to consider based on the project progress at a particular point in time. GEDM can precisely forecast the upper bound and lower bound of the estimated duration at completion for every tracking point. GEDM significantly enhances the results of EDM by providing a range of the estimated parameter. This paper also presents a case study to distinguish EDM and GEDM.
Duration Forecasting Capability of Critical Path-Focused Earned Duration Management Chitti Babu Kapuganti, K. V. G. D. Balaji, T. Santhosh Kumar, Sudhakar Mogili International Journal on Engineering Applications, 2024 Project management aims to evaluate a project's cost, schedule, and technical performance to deliver the best product or service at the lowest cost and within the shortest timeframe by enhancing a balance between cost, time, and quality of the work objective. Earned Duration Management (EDM) in project time monitoring and forecasting focuses solely on time-related factors to achieve the objectives. However, many studies state that for projects with multiple parallel activities of varying durations, the earned duration factors/indicators could not provide significant forecasts about the critical-path job details of the project. The Critical Path focused Earned Duration Management (CP-EDM) technique has been introduced to enhance this. This study compares EDM and CP-EDM techniques on 69 real-life construction sector project data to evaluate the efficiency and accuracy of project duration forecasting. The results have showed that 69.56% of cases had better results by applying CP-EDM, demonstrating that focusing on the critical path instead of the entire project enhances the accuracy of project duration forecasting.
Grey Earned Duration Management: a New Schedule Monitoring Approach Chitti Babu Kapuganti, K. V. G. D. Balaji, T. Santhosh Kumar, I. L. N. Prasad International Review of Civil Engineering, 2023 Earned Value Management (EVM) is the conventional method for controlling and monitoring construction projects. Schedule monitoring with EVM has a lower impact since it measures in budgetary terms. Earned Duration Method (EDM) was presented, which decouples schedule and cost aspects. The parameters in EDM monitors the health of the project schedule and gives the estimated completion date. EDM results are indeterministic, so the estimators require expertise in order to comprehend them. For this purpose, the present study proposes a new methodology entitled "Grey Earned Duration Management (GEDM)" by associating EDM and grey theory. From GEDM, estimators can get a clear idea about the degree of control measures to consider based on the project progress at a particular point in time. GEDM can precisely forecast the upper bound and lower bound of the estimated duration at completion for every tracking point. GEDM significantly enhances the results of EDM by providing a range of the estimated parameter. This paper also presents a case study to distinguish the EDM and GEDM.
Performance of co2 cured sugar cane bagasse ash concrete in marine environment T. Santhosh Kumar, Balaji K. V. G. D, Ch. Sandeep Reddy, K. Chitti Babu, Ch. Lakshmi Sowjanya Civil Engineering and Architecture, 2020 A large amount of industrial and agro wastes mostly end up in landfills and not much attention is given to these wastes, which cause environmental problems. Few of the industrial and agro by-products such as fly ash, sugar cane bagasse ash and silica fume act as pozzolanic materials in preparation of blended cements which provide satisfactory alternative results in waste management. The main goal of this research is to check the durability properties of carbon dioxide cured sugar cane bagasse ash concrete when exposed to marine environments. A set of different concrete mixes were prepared by partially replacing the cement with various percentages of sugarcane bagasse ash (0%, 5%, 15%, 25%) and 10% of silica fume in each mix and then these specimens were cured in water for 28 days, in CO2 gas for 8 hours and in dry ice for 8 hours. After curing, these specimens are exposed to seawater for a period of 28 days, 90 days and 120 days, and then tests are conducted for compressive, tensile, and flexural strength. The test results indicate that replacement of cement with 5% bagasse ash & 10% silica fume showed better effective results when compared to all other percentages of replacements. The specimens cured in CO2 gas showed similar results as that of water cured specimens while the specimens cured with dry ice showed a loss in strength.
Performance evaluation of ternary blended sugarcane bagasse ash concrete using RCP test International Journal of Innovative Technology and Exploring Engineering, 2019
Comparison of project monitoring and controlling methods: Earned value management (EVM) & earned duration management (EDM) International Journal of Recent Technology and Engineering, 2019
Project schedule monitoring by earned duration management (EDM) International Journal of Recent Technology and Engineering, 2019
RECENT SCHOLAR PUBLICATIONS
Strategic Location of Fluid Viscous Dampers in High-rise Reinforced Concrete Buildings for Seismic Resilience: A Comparative Analysis SDP Tallapragada, VGDRB Kokkirala, R Bantupalli, MR Ponnada, ... Journal of Engineering and Technological Sciences 57 (5), 627-647 , 2025 2025 Citations: 2
Exploring Benefits, Critical Success Factors and Barriers of Earned †ŽValue Management in Construction Projects: A Preliminary †ŽEvaluation CB Kapuganti, K Balaji, S Mogili Nigerian Journal of Technological Development 21 (4), 213-222 , 2024 2024
Evaluation of coal pond ash and quarry dust mix for pavement application. S Mogili, H Mudavath, CB Kapuganti, NK Goray Engineering & Applied Science Research 51 (6) , 2024 2024 Citations: 1
Road Safety Audit: A Case-Study on NH-16 SS Nalam, CB Kapuganti Journal of Transportation Systems, 6-15 , 2024 2024
Grey Earned Duration Management CB Kapuganti, K Balaji, TS Kumar, S Mogili IOP Conference Series: Earth and Environmental Science 1326 (1), 012153 , 2024 2024 Citations: 2
Duration Forecasting Capability of Critical Path-Focused Earned Duration Management. CB Kapuganti, B KVGD, TS Kumar, S Mogili International Journal on Engineering Applications 12 (1) , 2024 2024 Citations: 3
A Novel Predictive Trend Analytics of Rainfall Data in the North-Eastern Part of Visakhapatnam District, India K Kunchala, MR MG, CB Kapuganti Preprint available at Research Square , 2023 2023 Citations: 1
Grey Earned Duration Management: a New Schedule Monitoring Approach CB Kapuganti, K Balaji, TS Kumar, ILN Prasad International Review of Civil Engineering 14 (4), 291-299 , 2023 2023 Citations: 2
Extracting Cluster-Level Uncertainty from K-Means Clustering—An Example of Analysis of Uncertainty Inherent to Valuation Methodologies for Multiple Construction Projects ILN Prasad, K Balaji, CB Kapuganti, RC Bagadi, T Santhosh Kumar Advances in Information Communication Technology and Computing: Proceedings … , 2022 2022 Citations: 1
Attributes for a Congruous Architectural Model B Patra, NK Goray, CB Kapuganti Integrated Journal for Research in Arts and Humanities 2 (5), 8-12 , 2022 2022 Citations: 4
Review of Earned Value Management Extensions CB Kapuganti, KVGD Balaji, ER T. Santhosh Kumar, S International Journal of Emerging Trends in Engineering Research 8 (10 … , 2020 2020
Analysis of Uncertainty Inherent to Valuation Methodologies in Construction Industry ILN Prasad, K Balaji, CB Kapuganti International Journal of Advanced Research in Engineering and Technology 11 … , 2020 2020 Citations: 1
Effect on CO2 Cured Concrete Exposed to Sodium Sulphate TS Kumar, K Balaji, NT ulasi Ram, CB Kapuganti, CL Sowjanya International Journal of Emerging Trends in Engineering Research 8 (7) , 2020 2020
Effect on CO2 Cured Concrete Exposed to Magnesium Sulphate K Balaji, TS Kumar, NT Ram, CL Sowjanya, CB Kapuganti International Journal of Advanced Research in Engineering and Technology 11 (6) , 2020 2020
Performance of CO2 cured sugar cane bagasse ash concrete in marine environment TS Kumar, KVGD Balaji, CS Reddy, CB Kapuganti, CL Sowjanya Civil Engineering and Architecture 8 (5), 771-776 , 2020 2020 Citations: 9
Performance Evaluation of Ternary Blended Sugarcane Bagasse Ash Concrete using RCP Test SK T, K Balaji, CB Kapuganti, ER Singireddi International Journal of Innovative Technology and Exploring Engineering … , 2019 2019
Comparison of project monitoring and controlling methods: earned value management (EVM) & earned duration management (EDM) CB Kapuganti, K Balaji, T Santhosh Kumar International Journal of Recent Technology and Engineering 7 (6), 518-522 , 2019 2019 Citations: 13
Project Schedule Monitoring by Earned Duration Management (EDM) CB Kapuganti, PY Kumar, MS Teja, A Akhil, R Barbhuiya International Journal of Recent Technology and Engineering (IJRTE) 7 (6S … , 2019 2019
Comparison of Project Monitoring and Controlling Methods: Earned value management (EVM) & Earned Duration Management (EDM) CB Kapuganti, KVGD Balaji, SK T International Journal of Recent Technology and Engineering (IJRTE) 7 (6S … , 2019 2019
Impact of revised code provisions of seismic and wind loads on RCC elevated water tanks K Balaji, TS Kumar, BS Kumar, CB Kapuganti International Journal of Innovative Technology and Exploring Engineering 8 … , 2019 2019 Citations: 4
MOST CITED SCHOLAR PUBLICATIONS
Comparison of project monitoring and controlling methods: earned value management (EVM) & earned duration management (EDM) CB Kapuganti, K Balaji, T Santhosh Kumar International Journal of Recent Technology and Engineering 7 (6), 518-522 , 2019 2019 Citations: 13
Performance of CO2 cured sugar cane bagasse ash concrete in marine environment TS Kumar, KVGD Balaji, CS Reddy, CB Kapuganti, CL Sowjanya Civil Engineering and Architecture 8 (5), 771-776 , 2020 2020 Citations: 9
Attributes for a Congruous Architectural Model B Patra, NK Goray, CB Kapuganti Integrated Journal for Research in Arts and Humanities 2 (5), 8-12 , 2022 2022 Citations: 4
Impact of revised code provisions of seismic and wind loads on RCC elevated water tanks K Balaji, TS Kumar, BS Kumar, CB Kapuganti International Journal of Innovative Technology and Exploring Engineering 8 … , 2019 2019 Citations: 4
Duration Forecasting Capability of Critical Path-Focused Earned Duration Management. CB Kapuganti, B KVGD, TS Kumar, S Mogili International Journal on Engineering Applications 12 (1) , 2024 2024 Citations: 3
Strategic Location of Fluid Viscous Dampers in High-rise Reinforced Concrete Buildings for Seismic Resilience: A Comparative Analysis SDP Tallapragada, VGDRB Kokkirala, R Bantupalli, MR Ponnada, ... Journal of Engineering and Technological Sciences 57 (5), 627-647 , 2025 2025 Citations: 2
Grey Earned Duration Management CB Kapuganti, K Balaji, TS Kumar, S Mogili IOP Conference Series: Earth and Environmental Science 1326 (1), 012153 , 2024 2024 Citations: 2
Grey Earned Duration Management: a New Schedule Monitoring Approach CB Kapuganti, K Balaji, TS Kumar, ILN Prasad International Review of Civil Engineering 14 (4), 291-299 , 2023 2023 Citations: 2
Experimental Study on Stabilization of Reinforced Black Cotton Soil with Bagasse Ash SE Rao, TR Priyanka, CB Kapuganti International Journal for Research in Applied Science & Engineering … , 2018 2018 Citations: 2
Evaluation of coal pond ash and quarry dust mix for pavement application. S Mogili, H Mudavath, CB Kapuganti, NK Goray Engineering & Applied Science Research 51 (6) , 2024 2024 Citations: 1
A Novel Predictive Trend Analytics of Rainfall Data in the North-Eastern Part of Visakhapatnam District, India K Kunchala, MR MG, CB Kapuganti Preprint available at Research Square , 2023 2023 Citations: 1
Extracting Cluster-Level Uncertainty from K-Means Clustering—An Example of Analysis of Uncertainty Inherent to Valuation Methodologies for Multiple Construction Projects ILN Prasad, K Balaji, CB Kapuganti, RC Bagadi, T Santhosh Kumar Advances in Information Communication Technology and Computing: Proceedings … , 2022 2022 Citations: 1
Analysis of Uncertainty Inherent to Valuation Methodologies in Construction Industry ILN Prasad, K Balaji, CB Kapuganti International Journal of Advanced Research in Engineering and Technology 11 … , 2020 2020 Citations: 1
Exploring Benefits, Critical Success Factors and Barriers of Earned †ŽValue Management in Construction Projects: A Preliminary †ŽEvaluation CB Kapuganti, K Balaji, S Mogili Nigerian Journal of Technological Development 21 (4), 213-222 , 2024 2024
Road Safety Audit: A Case-Study on NH-16 SS Nalam, CB Kapuganti Journal of Transportation Systems, 6-15 , 2024 2024
Review of Earned Value Management Extensions CB Kapuganti, KVGD Balaji, ER T. Santhosh Kumar, S International Journal of Emerging Trends in Engineering Research 8 (10 … , 2020 2020
Effect on CO2 Cured Concrete Exposed to Sodium Sulphate TS Kumar, K Balaji, NT ulasi Ram, CB Kapuganti, CL Sowjanya International Journal of Emerging Trends in Engineering Research 8 (7) , 2020 2020
Effect on CO2 Cured Concrete Exposed to Magnesium Sulphate K Balaji, TS Kumar, NT Ram, CL Sowjanya, CB Kapuganti International Journal of Advanced Research in Engineering and Technology 11 (6) , 2020 2020
Performance Evaluation of Ternary Blended Sugarcane Bagasse Ash Concrete using RCP Test SK T, K Balaji, CB Kapuganti, ER Singireddi International Journal of Innovative Technology and Exploring Engineering … , 2019 2019
Project Schedule Monitoring by Earned Duration Management (EDM) CB Kapuganti, PY Kumar, MS Teja, A Akhil, R Barbhuiya International Journal of Recent Technology and Engineering (IJRTE) 7 (6S … , 2019 2019