DESAIN PERBAIKAN DAN RETROFIT STRUKTUR KOLOM DENGAN DERAJAT KELANGSINGAN BERLEBIH (Studi Kasus Kantor Bupati Kupang, Naibonat, Nusa Tenggara Timur)

Mukhlis, Islam DESAIN PERBAIKAN DAN RETROFIT STRUKTUR KOLOM DENGAN DERAJAT KELANGSINGAN BERLEBIH (Studi Kasus Kantor Bupati Kupang, Naibonat, Nusa Tenggara Timur). In: PROSIDING CIVIL ENGINEERING AND BUILT ENVIRONMENT CONFERENCE (CEBEC) 2019. UNIB Press, Bengkulu, pp. 1-12. ISBN 978-602-5830-08-2

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Abstract

Errors in loading assumptions in structural modeling have occurred in the design phase of the Kupang regent's office structure, East Nusa Tenggara, which resulted in column structures, especially on the 2nd floor, having excessive slenderness. During the building construction phase, it is found that the excessive degree of slenderness results in columns on the 2nd floor having a defect in the form of excessive lateral deflection and indication of column capacity that does not meet the requirements. The structural repair and retrofitting were then designed with the aim of reducing the degree of slenderness and increasing column capacity with the method of reducing the effective length factor of column by altering the support of the column by adding a tie beam and enlarging the dimensions of the column using jacketing method. Analysis and modeling of repaired and retrofitted structure was carried out using finite element-based structural analysis software and manual calculations. The results of modeling and structural analysis show that the repairs by altering the support of the column with the addition of tie beams and enlargement of dimensions produce structures with degree of slenderness and lateral deflection of the columns that are significantly reduced and the column capacity increases so that it meets the requirements.

Item Type: Book Section
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Civil Engineering
Depositing User: Mr. Amwaluddin Lubis
Date Deposited: 23 Dec 2019 07:55
Last Modified: 24 Dec 2019 04:40
URI: http://repository.unib.ac.id/id/eprint/20460

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