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Department of Science and Technology has undertaken the project of Microzonation study for Delhi. The first level Microzonation study related to Geo-Scientific classification has been prepared
Phase I - First order seismic zonation map
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Activity |
Institution |
- Geological Map
- Lithological Unit - Geomorphological Unit - Structural Mode |
IITD, DU, GSI |
- Seismotectonics
- Sources - Focal Mechanism - Earthquake Catalogue - Lineaments / Faults - Attenuation Law |
IMD, IITD, CBRI, GSI, NGRI |
- Bed Rock Contour Map
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IITD, GSI, NGRI |
- Geotechnical Map
- Soil Profile - Velocity Profile (Vp, Vs, Vr, Vl) - Density, Plasticity - GSD, c, f, E, n - Lithological Unit |
IITD |
- Hydrogeological Map
- Water Table Contours - Fluctuations - Potential |
CGWB, IITD |
- Ground Motion Studies
- PGA - Amplificatiom and Filtering - Response Spectrum |
IMD, IITD, DU, IITR, CBRI |
- Liquefaction Studies
- Laboratory Testing - Field Testing |
IITD, CSMRS |
Phase II - Authentication and Generation of Data
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Activity |
Institution |
- Geological Field Study
- Active Faults, Joints - Weathering Profiles - Attitudes, Orientations - Lithological Units |
IITD, GSI, WIHG, DU |
- Modelling
- Seismic Recording - DSS - Gravity - Electro-Magnetic
- Resistivity - GPS |
IMD, IITD, CBRI NGRI WIHG, NGRI IIG, NGRI IITD, NGRI C-MAMC, IIG, WIHG
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- Soil Characteristics
- Bore Hole, Undistributed Samples - SPT, CPT, DCPT
- Dynamic Triaxial Tests - GSD, Relative Density
- Dynamic Properties |
IITD, DDA, CPWD, CRRI |
- Ground Motion Studies
- PGA - Amplification - Response Spectrum - Lithological Units |
IITD, IITR, IMD |
- Software Development, Modeling Data Analysis
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IITD, IITR, C-DAC |
Phase III - Seismic Hazard and Risk Assessment
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Activity |
Institution |
- Synthetic Seismograms, Site Effects, PGS Distribution Map of Delhi, Liquefaction Potential
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IITD, NGRI, IITR, IMD |
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Building Typology |
IITD, DCE, SPA, DDA, CPWD |
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Vulnerability Assessment |
IITD, IITR, SPA |
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Life Line Structures |
IITD, DPWD, DCE, JAMIA, DIT | |