Dynamic time history analysis of stone arch

Abstract

The present work is focus on time history analysis of 102 years old Indo-Saracenic style stone arch of Senate hall, Allahabad University, India. The senate hall was constructed with old brick masonry and stone masonry in IndoGothic, Hindoo or Hindu-Gothic, Mughal-Gothic, Neo-Mughal style architecture. The main objective of the analysis is to identifying the possible causes of existing damage and deformities in historical structure and actual behavior of stone arch during ground motion. Stochastic finite fault model is used to simulate the ground motion using regional parameter. The geometry of the stone arch is modelled by making use of both existing available drawing and survey performed on the structure. Non-linear dynamic analyses is performed on detailed 3D Finite Element models. The stress variation throughout the arch is shown. The maximum deformation of 0.206 mm is observed at crown level of arch.