Article Per Year (5 Year)
p-Index From 2021 - 2026
0
P-Index
This Author published in this journals
All Journal Lowland Technology International
P.M Pradhan
Unknown Affiliation
Civil Engineering, Building, Construction & Architecture Engineering Transportation

Published : 3 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 3 Documents
Search

 1 
Probabilistic Seismic Hazard Analysis for Nepal P.M Pradhan; S.P Timalsina; M.R Bhatt
Lowland Technology International Vol 22 No 1 (2020): Lowland Technology International Journal - Special Issue on: Engineering Geology
Publisher : International Association of Lowland Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Nepal lies in the zone of Himalayan belt formed due to collision oftwo continental plates and have the high probability of earthquakeoccurrence. Many destructive earthquakes have been reported inpast causing the massive destruction of lives and property. Forreducing the risks caused by seismic events, proper study shouldbe carried out beforehand, one of which is seismic hazard analysis.In this study, Probabilistic Seismic Hazard Analysis (PSHA) iscarried out for Nepal and the hazard map is prepared in terms ofPeak Horizontal Acceleration (PHA) for 500 years return period atbedrock level. The available earthquake catalogue for Nepal isprocessed for magnitude homogeneity and removal of aftershocks.The seismicity parameters are obtained using the method obtainedfor multiple catalogs with different level of completeness. The areasource models are used for the analysis since the earthquakedistribution is diffused and no particular information on faults isavailable. The attenuation relationship available for subductionzone earthquake is used for determining the PHA at a particularsite. The software CRISIS2007 is used for computing andpreparing hazard map for Nepal. The map is divided into numberof sites using grids of 0.1o by 0.1o and PHA value at each grid iscomputed, finally, obtaining the hazard map for Nepal. The hazardmap shows that the PHA value varies from 0.09g to 0.5g for Nepal,with the maximum values at Eastern and Western part of Nepal.This high level of seismicity in the regions shows that the properplans should be implemented for reducing the risks caused byseismic events, like earthquake resistant design of structures
Effects of Soil Structure Interaction on Reinforced Concrete Framed Structures N. Dongol; s. Manandhar; P.M Pradhan
Lowland Technology International Vol 22 No 1 (2020): Lowland Technology International Journal - Special Issue on: Engineering Geology
Publisher : International Association of Lowland Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study proposes to highlight effects of soil structureinteraction on the Reinforced Concrete (RC) framedstructures. In this study, the seismic responses of thestructures are observed considering soil structureinteraction (SSI) from its actual soil condition. Here, twopreexisting structures are taken for the study. One isresidential building and the other is hospital building withtwo basements. Taking into account the actual soilcondition of each building site, this study provides idea onthe soil structure interaction on different kinds of buildings.Direct and substructure approaches are used to incorporatesoil structure interaction in the analysis. The properties ofsprings are calculated for different standard penetration test(SPT) values and springs are assigned for footing for thesubstructure approach. Entire soil-foundation-structuresystem is modelled and analyzed in single step for directapproach. Static analysis, response spectrum analysis andtime history analysis (THA) are done in order to find thevariations in natural periods, base shears and deflections ofthe structures by incorporating soil flexibility as compared tostructures with conventional fixed base.
Earthquake Resistant Assessment of Building Construction Technique in the Nayagaun Settlement of Kavre before Gorkha Earthquake R. Pradhan; P.M Pradhan
Lowland Technology International Vol 22 No 1 (2020): Lowland Technology International Journal - Special Issue on: Engineering Geology
Publisher : International Association of Lowland Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The major earthquake on April 25, 2015 (7.8 Mw) and theaftershock on May 12, 2015 (7.3 Mw) caused severe damages onthe Nayagaun settlement of Dhulikhel Municipality, Kavre. Thisstudy proposes to highlight the extent of damages in the buildingsdue to the absence of the earthquake resistant components. Inthis study, the suitability of the building construction techniques inthe study area has been addressed after knowing theconsequences faced due to the absence of the earthquakeresistant components in the buildings. This study provides idea onthe earthquake resistant components and its significance in theresidential buildings during the earthquake period. In this study,the types of the buildings damaged are tabulated according to thetypology of the buildings whereas the type of damages incurredare categorized based on the grade of damages (partiallydamaged or fully collapsed). Some mitigating measures areidentified throughout the study to overcome the futureearthquakes
Co-Authors M.R Bhatt N. Dongol R. Pradhan S. Manandhar S.P Timalsina