Imania, Dewi Fajar (2026) Perencanaan Struktur Bangunan Gedung Asrama Kampus di Surabaya Menggunakan Metode Beton Pracetak. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Gedung Asrama merupakan bangunan hunian bertingkat yang terdiri dari 11 lantai dengan ketinggian total 40 meter. Pelaksanaan konstruksi gedung ini menggunakan metode cor di tempat. Metode cor di tempat memerlukan tahapan pekerjaan yang banyak mulai dari pemasangan bekisting, penulangan, pengecoran, hingga pembongkaran bekisting yang mengakibatkan durasi pengerjaan menjadi relatif panjang serta tingkat presisi hasil pekerjaan yang cenderung kurang optimal. Selain itu, metode beton pracetak merupakan teknologi konstruksi yang efektif dan berkualitas dibandingkan beton cor di tempat. Antara lain, mutu lebih tinggi, pelaksanaan yang cepat, ekonomis serta ramah lingkungan. Oleh karena itu, tugas akhir ini merencanakan struktur menggunakan metode beton pracetak pada kolom, balok dan pelat dengan sistem struktur ganda yang mengombinasikan Sistem Rangka Pemikul Momen Khusus (SRPMK) dan dinding geser beton bertulang.
Perencanaan diawali dengan studi literatur dan pengumpulan data bangunan, kemudian dilanjutkan dengan penentuan pembebanan, penentuan dimensi awal elemen struktur, permodelan struktur, serta perencanaan elemen – elemen pracetak. Selain itu, dilakukan perencanaan sambungan beton pracetak yang meliputi sambungan balok induk ke kolom, balok anak ke balok induk, pelat ke balok, pelat ke pelat, serta sambungan antar kolom. Selanjutnya penyusunan metode pelaksanaan beton pracetak, mulai dari proses fabrikasi, pengangkatan, pengangkutan, penumpukan, pemasangan, hingga pengecoran komposit lapangan. Tahap akhir perencanaan berupa penyusunan gambar kerja sebagai acuan pelaksanaan konstruksi.
Berdasarkan hasil perencanaan, sambungan antar elemen pracetak direncanakan menggunakan sambungan basah dengan mutu beton overtopping 35 Mpa. Sambungan balok induk dan kolom serta balok anak dengan balok induk ditopang oleh konsol pendek, kemudian dilakukan pengecoran overtopping hingga elemen bekerja secara monolit. Sampungan pelat dengan pelat juga menggunakan sambungan basah dengan pengecoran overtopping dibagian atasnya. Sementara itu, sambungan antar kolom menggunakan metode grouted splice sleeve produk NMB splice sleeve system, di mana tulangan kolom disambung melalui selongsong yang diisi bahan grout. Metode pelaksanaan beton pracetak disusun secara berurutan mulai dari fabrikasi elemen, pengangkatan, pengangkutan, penyimpanan di stock yard, pemasangan, penyambungan, hingga pengecorang topping. Urutan pelaksanaan tersebut dapat diterapkan pada pembangunan gedung asrama sehingga proses konstruksi dapat berlangsung secara sistematis dan aman sesuai konsep pelaksanaan beton pracetak.
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The dormitory is an 11-story residential building with a total height of 40 meters. Its construction originally utilized the cast-in-place method. This method involves numerous work stages—ranging from formwork installation, reinforcement, and concrete pouring to formwork stripping—resulting in a relatively long construction duration and a level of precision that tends to be suboptimal. In contrast, precast concrete technology offers superior quality and efficiency compared to cast-in-place concrete, providing benefits such as higher quality, rapid execution, cost-effectiveness, and environmental friendliness. Therefore, this final project proposes a structural design utilizing precast concrete for columns, beams, and slabs, employing a dual structural system that combines a Special Moment Resisting Frame (SMRF) with reinforced concrete shear walls.
The design process began with a literature review and building data collection, followed by the determination of loads, preliminary sizing of structural elements, structural modeling, and the design of precast elements. Additionally, the design covered precast concrete connections, including primary beam-to-column, secondary beam-to-primary beam, slab-to-beam, slab-to-slab, and column-to-column connections. Subsequently, a precast concrete execution method was formulated, encompassing fabrication, lifting, transportation, stockpiling, installation, and on-site composite concrete pouring. The final stage of the design involved the preparation of working drawings to serve as a reference for construction execution.
Based on the design results, connections between precast elements utilize wet joints with an overtopping concrete strength of 35 MPa. Primary beam-to-column and secondary beam-to-primary beam connections are supported by short corbels, followed by overtopping concrete pouring to ensure monolithic behavior. Slab-to-slab connections also employ wet joints with overtopping concrete poured over the top. Column-to-column connections utilize NMB grouted splice sleeves, where column reinforcement bars are connected through grout-filled sleeves. The execution method for precast concrete is outlined sequentially, covering element fabrication, lifting, transportation, storage in the stockyard, installation, connection, and topping concrete casting. This execution sequence can be applied to dormitory building projects, ensuring the construction process proceeds systematically and safely in accordance with precast concrete implementation principles.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Beton Pracetak, Sistem Ganda, Sambungan basah, Metode Pelaksanaan; Precast Concrete, Dual System, Wet Connection, Execution Method |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA444 Reinforced concrete T Technology > TA Engineering (General). Civil engineering (General) > TA645 Structural analysis (Engineering) T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design T Technology > TA Engineering (General). Civil engineering (General) > TA681 Concrete construction T Technology > TA Engineering (General). Civil engineering (General) > TA683 Precast concrete construction. Prestressed concrete construction. |
| Divisions: | Faculty of Vocational > 22301-Civil Infrastructure Engineering (D4) |
| Depositing User: | Dewi Fajar Imania |
| Date Deposited: | 03 Aug 2026 02:58 |
| Last Modified: | 03 Aug 2026 02:58 |
| URI: | http://repository.its.ac.id/id/eprint/141788 |
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