Aryani, Fedya Diajeng (2016) Desain Modifikasi Struktur Gedung Bupati Lombok Timur Menggunakan Balok Prategang Monolit. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Gedung Bupati Lombok Timur merupakan gedung yang
terdiri dari 10 lantai dengan ketinggian ±46,5 m. Gedung
tersebut awalnya direncanakan dengan material beton bertulang
biasa pada keseluruhan lantai, dimana pada lantai 7 hingga
lantai 10 terdapat ruangan dengan bentang balok 25 meter.
Penggunaan bahan dan material beton bertulang pada
perencanaan gedung tersebut dinilai tidak efektif, sehingga pada
gedung ini dilakukan modifikasi dengan metode balok prategang.
Tugas Akhir ini membahas tentang perencanaan dengan
menggunakan beton prategang. Perencanaan yang dilakukan
pada Gedung Bupati Lombok Timur meliputi perencanaan
struktur sekunder, struktur utama prategang maupun nonprategang,
perhitungan pondasi, serta metode pelaksanaan balok
prategang yang dibuat monilit dengan kolom. Selain itu, karena
balok prategang memiliki daktilitas yang rendah dalam
perencanaan, gedung tersebut membutuhkan pertimabngan
seperti penggunaan prategang parsial untuk meningkatkan
daktilitas dari balok tersebut.
Dalam pelaksanaannya, metode balok prategang yang
digunakan adalah post tension (pasca tarik), yaitu dilakukan
pengecoran balok terlebih dahulu. Kemudian, setelah beton
mengeras, tendon diberikan gaya tarik.
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Modifikasi Perencancanaan gedung ini dilakukan
berdasarkan peraturan yang terbaru yaitu, SNI 2847:2013
tentang perhitungan beton untuk bangunan gedung, SNI
1726:2012 tentang tata cara perencanaan ketahanan gempa
untuk bangunan gedung, SNI 1727:2012 tentang beban minimum
untuk perancangan bangunan gedung dan struktur lainnya,
PPIUG 1983 tentang peraturan pembebanan Indonesia untuk
gedung, serta peraturann mengenai beton pratekan yang
memenuhi syarat tahan gempa.
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East Lombok Regent House is a building consisting of 10
floors with a height of ± 46,5 m. The building was originally
planned with ordinary reinforced concrete material on the entire
floor, in which on the 7th floor up to the 10th floor there is a
room with beams span of 25 meters. The use of materials and
reinforced concrete material in building design was judged to be
ineffective, so that the building was modified by prestressed beam
method.
This Final Project discussed about a design by using
prestressed concrete. The designs made in East Lombok Regent
House included secondary structure design, the main structure of
prestressed and non-prestressed, the calculation of the foundation,
as well as the implementation method of prestressed beam created
by monolith with the column. Moreover, now that the prestressed
beam has low ductility in the design, the building requires
consideration such as the use of prestressed partial to improve
ductility of the beam.
In its execution, the prestressed beam method used was
post tension, which is the casting of the beam was the first step to
be done. Thus, after the concrete hardens, the tendon is given
tensile strength.
Design modifications of this building was done based on
the latest regulations, which are SNI 2847: 2013 concerning the
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calculation of concrete for buildings, SNI 1726:2012 on planning
procedures for the earthquake resistance of buildings, SNI
1727:2012 about the minimum load for the design of buildings
and other structures, and PPIUG 1983 on the regulation of
Indonesia burden for buildings, as well as regulation concerning
prestressed concrete eligible earthquake resistant.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSS 690.523 Ary d |
| Uncontrolled Keywords: | Gedung Bupati Lombok Timur, Beton Prategang, Monolit |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA681 Concrete construction |
| Divisions: | Faculty of Civil Engineering and Planning > Civil Engineering > 22201-(S1) Undergraduate Thesis |
| Depositing User: | EKO BUDI RAHARJO |
| Date Deposited: | 08 Oct 2019 06:57 |
| Last Modified: | 08 Oct 2019 06:57 |
| URI: | http://repository.its.ac.id/id/eprint/71049 |
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