त्वरित संपर्क
गौरव तिवारी
PhD, Geotechnical Engineering (Rock Mechanics), IISc Bangalore
Assistant Professor, Department of Civil Engineering
शोध करना दिलचस्पी
Rock Mechanics and Rock Engineering.
Experimental Rock Mechanics.
Probabilistic Rock Engineering.
Office
Western Laboratory Extension, Room-302A
IIT Kanpur,
Kanpur 208016
चयनित प्रकाशन
Kumar A., Tiwari G. (2024) A Methodology for Imprecise Moment Independent Global Sensitivity Analysis with Limited Data of Copula Dependent Inputs: Application for Slopes. Journal of Engineering Mechanics, ASCE.
Kumar S., Tiwari G. Das A. (2023) Dynamic Behaviour of Ungrouted and Grouted Rocks of Different Morphologies Containing a Flaw Subjected to Different Thermal Treatments. Rock Mechanics and Rock Engineering, Springer.
Kumar A.,Tiwari G. (2023) An Efficient Bayesian Multi-Model Framework to Analyze Reliability of Rock Structures with Limited Investigation Data. Acta Geotechnica, Springer.
Kumar S., Das A., Tiwari G. (2023) A comparative study on the dynamic loading response of heat-treated soft and medium hard rocks. Engineering Fracture Mechanics, Elsevier.
Kumar A., Tiwari G. (2023) A Bayesian Multi-Model Inference Methodology for Imprecise Moment Independent Global Sensitivity Analysis of Rock Structures. Journal of Rock Mechanics and Geotechnical Engineering, Elsevier.
Kumar S., Tiwari G., Venkitanarayanan P., Das A. (2023) Dynamic Mechanical Behaviour of Rock-like Materials with a Flaw Under Different Orientation and Infill Conditions. Bulletin of Engineering Geology and the Environment, Springer
Tiwari G., Kumar A., Latha G.M. (2023) Velocity-Weakening Tendency in Rate-Dependent Strength Behavior of Soft Rock-Like Joints. International Journal of Geomechanics, ASCE.
Kumar A., Tiwari G. (2023) Bayesian Multi-Model Probabilistic Methodology for Stability Analysis of Rock Structures with Limited Data of Copula Dependent Inputs. ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering, ASCE.
Kumar A., Tiwari G. (2023) Reliability Assessment of Deep Excavations in Spatially Random Cohesion Weakening Friction Strengthening (CWFS) Massive Rocks: Application to Nuclear Repositories. Underground Space, Elsevier.
Mehndiratta S., Singh D.K., Sawant V.A., Tiwari G. (2022). Development of Uncoupled and Coupled Approaches to Analyze the Response of Foundations Resting Over Partially Saturated Soil: Mathematical Development and Comparisons. Indian Geotechnical Journal, Springer.
Bharadwaj P., Kumar A., Tiwari G. (2022) Assessing the applicability of local and global sensitivity approaches and their practical utility for probabilistic analysis of rock slope stability problems: comparisons and implication. Acta Geotechnica, Springer
Kumar A., Bharadwaj P., Tiwari G. (2022) Reliability-based stability analysis of large rock slopes with different failure mechanisms using Response Surface Methodology. Environmental Earth Sciences, Springer
Kumar S., Tiwari G., Venkitanarayanan P., Das A. (2022) Rate-Dependent Mechanical Behaviour of Jointed Rock with an Impersistent Joint under Different Infill Conditions . Journal of Rock Mechanics and Geotechnical Engineering, Elsevier
Mathur G., Majhi V., Misra S., Tiwari G. (2022) Effect of displacement rates on the mechanical integrity of soft-porous rock analogue containing non-persistent joints/cracks of variable lengths. Journal of Earth System Science, Springer.
Kumar A., Tiwari G. (2021) Application of re-sampling stochastic framework for rock slopes support design with limited investigation data: Slope case studies along an Indian highway. Environmental Earth Sciences, Springer.
Kumar A., Tiwari G. (2021) Jackknife Based Generalized Re-Sampling Reliability Approach for Analyzing Rock Slopes and Tunnels Stability Problems with Limited Data: Theory and Comparisons. Journal of Rock Mechanics and Geotechnical Engineering, Elsevier.
Tiwari G., Latha G.M. (2020) Stability Analysis and Design of Stabilization Measures for Chenab Railway Bridge Rock Slopes. Bulletin of Engineering Geology and the Environment, Springer
Bhardwaj P., Tiwari G., Latha, G.M., Babu G.L.S. (2019) Probabilistic Characterization of Rock Mass from Limited Laboratory Tests and Field Data: Associated Reliability Analysis and its Interpretation. Rock Mechanics and Rock Engineering, Springer
Tiwari G., Latha, G.M. (2019) Shear velocity based uncertainty quantification for rock joint shear strength. Bulletin of Engineering Geology and the Environment, Springer
Bharadwaj P., Tiwari, G., Latha, G.M. and Babu, G.L.S. (2018) Stability analysis of a large gold mine open pit slope using advanced probabilistic method. Rock Mechanics and Rock Engineering, Springer
Tiwari G., Bhardwaj P., Latha, G.M., Babu G.L.S. (2018) Analysis of tunnel support requirements using deterministic and probabilistic approaches in average quality rock mass. International Journal of Geomechanics, ASCE
Tiwari G., Bhardwaj P., Latha, G.M., Babu G.L.S. (2017) Probabilistic analysis of tunnels considering uncertainty in peak and post-peak strength parameters. Tunnelling and Underground Space Technology, Elsevier
Tiwari G., Latha, G.M. (2017) Reliability analysis of jointed rock slope considering uncertainty in peak and residual strength parameters. Bulletin of Engineering Geology and the Environment, Springer
Tiwari G., Latha, G.M. (2017) Reliability analysis of a Himalayan rock slope considering uncertainty in post peak strength parameters. Geo-Risk 2017, ASCE
Tiwari G., Latha, G.M. (2016) Design of rock slope reinforcement: An Himalayan case study. Rock Mechanics and Rock Engineering, Springer
Tiwari G., Latha, G.M. (2016) Design of stable rock slopes for the world’s highest railway bridge. Geo-Chicago 2016, ASCE
Tiwari G., Samadhiya N.K. (2015) Factors influencing the distribution of peak tension in geosynthetic reinforced soil slopes. Indian Geotechnical Journal, Springer
पुरस्कार एवं फैलोशिप
Runner-up best paper: Kumar A. and Tiwari G. “A multi-model Bayesian Reliability for a Rock Slope to Counter Data Insufficiency”. In Eurock-2022, Espoo, Finland
Member, Expert Committee on "Expert Guidelines for Determination of Rock Mass Shear Strength in Bed Rock of Landslide Affected Slopes" formed by IIT Roorkee, National Disaster Management Authority (NDMA), Ministry of Home Affairs, Government of India, and Bureau of Indian Standards (BIS), Ministry of Consumer Affairs, Food & Public Distribution, Government of India.
Received IGS-Roorkee Chapter YGE Award for Best Paper on Rock Mechanics and Rock Engineering (2021)
Received IGS-Roorkee Chapter YGE Award for Best Paper on Rock Mechanics and Rock Engineering (2021)
IGS-Prof. Leonard’s Award for Best PhD Thesis in Geotechnical Engineering(2018-2019)
Honours division in B.E.
Received IGS-Roorkee Chapter YGE Award for Best Paper on Rock Mechanics and Rock Engineering in IIT Guwahati (2017)
Received ISSMGE (International Society for Soil Mechanics and Geotechnical Engineering) scholarship to attend international conference (Geo-Risk 2017, Denver, Colorado, USA)
Received IGS-Z-Tech Biennial Award-2018 for best paper in the field of Geosynthetics and Allied Construction Products
Reviewer of Journals: Indian Geotechnical Journal (Springer), International Journal of Geomechanics (ASCE), Geotechnical Engineering Journal of the SEAGS & AGSSEA.
सम्मेलन प्रस्तुतियाँ
Maurya S., Tiwari G. (2023) A hybrid reliability methodology for rock tunnel stability analysis coupled with polymorphic uncertainty modelling of rock properties. NUMGE-2023, Imperial College London.
Kumar A., Tiwari G. (2023) Imprecise moment-independent global sensitivity analysis of rock slope using Bayesian multi-model inference. NUMGE-2023, Imperial College London.
Sahu S., Sahu J.P., Tiwari G. (2023) Stability assessment of dual circular tunnels with different diameters along Hoek-Brown rock masses. NUMGE-2023, Imperial College London.
Kumar S., Das A., Tiwari G. (2023)A visco-plastic model to analyse the impact loading response in synthetic rock. Dynamic Behavior of Soft and Hard Materials: Proceedings of 13th International Symposium on Plasticity and Impact Mechanics 2022, IIT Madras
Kumar S., Tiwari G., Das A. (2022) Experimental assessment of dynamic loading response of grouted non-persistent jointed rock. Eurock 2022 - Rock and Fracture Mechanics in Rock Engineering and Mining - an ISRM Regional Symposium, Espoo, Finland
Kumar A., Tiwari G. (2022) A Multi model Bayesian Reliability Analysis for a Rock Slope to Counter Data Insufficiency. Eurock 2022 - Rock and Fracture Mechanics in Rock Engineering and Mining - an ISRM Regional Symposium, Espoo, Finland
Tiwari G., Latha G.M., Rao V.R. (2014) Finite element study of a rock slope using continuum-interface approach. Proc. of National Conference on Geo-Innovations, 1 - 8, Bangalore, 2014
Tiwari G., Latha G.M. Stability analysis of an anchored rock slope against plane failure by FEM. Proc. of Indian Geotechnical Conference IGC-2014, 1-9, Kakinada, 2014.
Tiwari G., Samadhiya N.K., Pain A. Stress- Strain Distribution within Geosynthetic Reinforced Slopes: A Parametric Study. Proc. of Indian Geotechnical Conference IGC-2013, 1 - 9, Roorkee, 2013.
Tiwari G., Samadhiya N.K., Pain A. Stress- Strain Distribution within Geosynthetic Reinforced Slopes: A Parametric Study. Proc. of Indorock-2013, 1-9, Roorkee, 2013.
पेशेवर अनुभव
Assistant Professor, Department of Civil Engineering, IIT Kanpur, India (December 2018- present)
Post-Doctoral Experience as Research Associate, Indian Institute of Science (IISc) Bangalore (Jan, 2018-November, 2018)
प्रायोजित परियोजना
Title: Mechanical behaviour of pre-loaded rock joints under different loading rates and boundary conditionsSponsoring agency: IIT Kanpur
Title: Development of Design Guidelines/Charts for Quick Estimation of Caverns Behaviour & Support layout including openings based on 3D FEM AnalysisSponsoring agency: National Hydro Power Corp. (NHPC)
Title: Damage mitigation strategies for buried structures in different geological media under propagation of blast waves from near field explosionSponsoring agency: Defence Research and Development Organisation (DRDO)
Lab Facilities
Computational Facilities*
- FLAC-2D (Itasca)
- FLAC-3D (Itasca)
- UDEC (Itasca)
- Rocscience Academic bundle (RocPlane, RocTopple, Swedge, Unwedge, RocFall, Slide2, RSPile, Dips, CPillar, RS3, Slide3, RS2, Settle3, EX3, RSData) (in procurement stage)
- 24 core Xeon computer workstation (in procurement stage)
- 16 core i-9 computer workstation (in procurement stage)
*These facilities are other than available in geotechnical lab and institute computational facilities
Experimental Facilities
- Basic tests for rocks (slake durability, point load test, Brazilian test, Rebound Hammer)
- High-rate direct shear testing for rock joints
- 3D-Printer to prepare samples of synthetic materials (concrete, plaster etc.)
Students
PhD Students
- Akshay Kumar (in progress; converted from MTech; PMRF) – Reliability methods for analysing stability of rock structures with limited and sparse investigation data.
- Surabhi Maurya (in progress; converted from MTech) - Development and application of polymorphic uncertainty modelling in rock mechanics
- Animesh Anand (in progress; converted from MTech) - Rate dependency in the strength behaviour of rock joints subjected to high temperature and chemical weathering
- Sameer Lawankar (in progress; converted from MTech; PMRF) - Development of probabilistic bonded block model framework to study micro/macro mechanical behaviour and damage processes in rocks
- Sachin Singh (in progress) - Rate-dependent behaviour of jointed cohesive-brittle materials under blast loading
- Spandan Sahu (in progress; PMRF) – Coupled reliability and finite element limit analysis methodologies for analyzing rock tunnels stability
- Gaurav Mathur (in progress; IIT Patna)- Cyclic behaviour of jointed rocks subjected to freezing and thawing
MTech Students
- Ankita Senapati (completed in 2020) - Probabilistic analysis of rock tunnels based on different strength criteria
- Gaurav Mathur (completed in 2020) - Fracturing of jointed rocks under uniaxial loading
- Akshay Kumar (in progress; converted to PhD) – Reliability methods for analysing stability of rock structures with limited and sparse investigation data
- Surabhi Maurya (in progress; converted to PhD) - Development and application of polymorphic uncertainty modelling in rock mechanics
- Animesh Anand (in progress; converted to PhD) - Development of re-sampling reliability approaches and design charts for support estimation to mitigate rock slope failures
- Siddhanth Singh (completed in 2021) - Development of re-sampling reliability approaches for stability analysis of rock slopes
- Manoj Kumar (completed in 2021) - Development of reliability methods for support estimation to mitigate circular and toppling rock slope failures
- Sameer Lawankar (in progress; converted to PhD) - Development of probabilistic bonded block model framework to study micro/macro mechanical behaviour and damage processes in rocks
- Ajay Kumar (completed in 2023) – Prediction and Global Sensitivity Analysis of Cavern Deformations using Response Surface Methodology and Sobol’s Sensitivity Analysis
- Gaurav Meena (in progress) - Rate-dependent strength behaviour of rock joints.
- Abhay Pratap Singh (in progress) - Imprecise global sensitivity analysis of deep excavations along massive rocks.