Proposed Retrofit Design and Construction of Mixed Structure With RC Frame and Brick Masonry in Dhaka, Bangladesh


Abstract eng:
The model building considered for seismic assessment and retrofitting was utilizing as a fire service and civil defense station. The fire station building is a mixed type structure with RC frame and brick masonry. The building is located at Dhaka city. It was designed and constructed in 1963 without considering seismic load. Bangladesh National Building Code (BNBC) 1993 and also recent BNBC 2015 Final Draft don’t cover the regulations of seismic assessment and retrofitting design of existing building. The fire station building has been retrofitted with the concept and practices of Japanese guideline and using seismic parameters of BNBC. Seismic evaluation, retrofitting design and construction steps have been introduced in this paper. This is the first project of seismic retrofitting of public building in Bangladesh. The total work has been done as part of the technical cooperation project namely CNCRP between Public Works Department (PWD) of Bangladesh and Japan International Cooperation Agency (JICA). Before performing computation for seismic assessment and retrofitting design, as-built construction drawings were developed. Concrete core sampling and tests were performed. On-site direct shear test at joint of brick masonry wall was done. Seismic evaluation of existing building was performed and found inadequate. Strength oriented retrofitting design was prepared with the concept of column jacketing, brick wall laminating, RC shear wall, steel framed brace. Construction work with post-installed anchor and pressured grouting were maintained with engineering supervision at the site.

Contributors:
Conference Title:
Conference Title:
16th World Conference on Earthquake Engineering
Conference Venue:
Santiago (CL)
Conference Dates:
2017-01-09 / 2017-01-13
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.



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 Record created 2017-01-18, last modified 2017-01-18


Original version of the author's contribution as presented on USB, paper 1810.:
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