Seismic effects of cornice projection in masonry-infill reinforced concrete buildings in Bhutan

Name: Kararia, Tek Nath

Organization : Chulalongkorn University. Faculty of Engineering

Email : teks2006@gmail.com

Name: Chatpan Chintanapakdee

Organization : Chulalongkorn University. Faculty of Engineering

keyword: Response History Analysis

LCSH: Reinforced Concrete

LCSH: Chemical processes

LCSH: Earthquake hazard analysis

LCSH: Acceleration (Mechanics)

Abstract: Bhutan is positioned in utmost active and high seismic zone in the belt of the Himalayan region. However, besides there is a strict architectural requirement of unique proportionate cornice projections away from the main superstructure at each floor level increasing floor area. This irregular projection along with solid brick walls resting at the edge of projection leads to the concentration of forces in some structural members and modify the response behavior during a strong earthquake. To date, it is not adequately investigated the combined effects in framed masonry structure considering projection and the infill panel including its opening effect. In this study, nonlinear response history analysis is performed to assess the performance of 3D three stories typical school building which represents the stock of framed masonry buildings in Bhutan. This study focusses on comparing the response parameter of the bare frame, infilled frame, and six models with increasing projection length to comprehend the collective effects of the structure. The relevant global and local parameters such as story displacement, interstory drift, internal force demand, vertical deflections and its amplification due to the earthquake are assessed. The finding indicates that increases in projection length lead to slight change responses such as natural period, lateral displacement, inter-story drift and strong effects on vertical deflections, moment and shear demand in the projected elements and its seismic amplifications. The results are compared with acceptance criteria of codes and capacity of the sections

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2018

Modified: 2022-03-21

Issued: 2020-12-01

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BibliograpyCitation : ใน โรงเรียนนายร้อยพระจุลจอมเกล้า. กองวิชาวิศวกรรมโยธา. การประชุมวิชาการวิศวกรรมโยธาแห่งชาติ ครั้งที่ 23 (NCCE 23) (STRID23). นครนายก : โรงเรียนนายร้อยพระจุลจอมเกล้า

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