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All Journal Media Teknik Sipil MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science EMARA : Indonesian Journal of Architecture Journal of Civil Engineering JTT (Jurnal Teknologi Terpadu) Civil Engineering Dimension Civil Engineering Journal Jurnal Aplikasi Teknik Sipil E-Jurnal SPIRIT PRO PATRIA

Tavio, Tavio

Institut Teknologi Sepuluh Nopember

Author-ID : 209522

Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering

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Desain Modifikasi Apartemen One East dengan Menggunakan Precast Dual System Sesuai dengan Peraturan ACI 318M-14 Vincentius Felix Susanto; Faimun Faimun; Tavio Tavio
Jurnal Teknik ITS Vol 7, No 1 (2018)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Beton pracetak merupakan metode yang digunakan pada perancangan bangunan selain cara pengecoran dengan metode konvensional. Seiring dengan perkembangannya, metode pracetak kini semakin banyak digunakan. Tingkat kecepatan pembangunan dan kontrol kualitas merupakan keunggulan utama metode pracetak. Perencanaan Gedung Apartemen One East Surabaya pada kondisi sebenarnya dirancang menggunakan metode konvensional dengan ketinggian 33 lantai dan 3 buah basement. Dalam tugas akhir ini, gedung tersebut akan dilakukan perancangan menggunakan metode pracetak. Pemilihan metode pracetak didasari oleh kecepatan pelaksanaan, kontrol kualitas mutu yang tinggi, ramah lingkungan, serta pengurangan jumlah tenaga kerja. Metode pracetak diterapkan pada elemen-elemen struktur primer, seperti pelat, balok, tangga, kolom dan shearwall. Dalam perencanaan struktur pada tugas akhir ini, metode menggunakan peraturan seperti perencanaan beton secara konvensional sesuai dengan SNI 2847:2013, PCI Handbook dan beberapa referensi lainnya. Selain perencanaan elemen struktur sendiri, perlu dilakukan perencanaan sambungan untuk menyambungkan elemen-elemen tersebut. Metode penyambungan yang digunakan berdasarkan dari beberapa sumber seperti, produk dari Peikko Group, dan jurnal “Horizontal Connection for Precast Concrete Shear Wall Subjected to Cyclic Deformations”. Analisis perhitungan sambungan pada balok berdasarkan pada kekuatan aksial sambungan yang dibandingkan dengan kekuatan tulagan setelah mengalami leleh serta panjang penyaluran. Untuk analisa kekuatan sambungan pada kolom dan shearwall, digunakan peraturan ACI 318M-14 dimana nilai ϕSn ≥1,4 Se sedangkan ϕMn ≥0,4 Mpr.

Desain Modifikasi Struktur Gedung Apartemen One East Surabaya Menggunakan Struktur Flat Slab Dengan Penambahan Shear Wall Firly Ayu Agus Dian; Tavio Tavio; I Gusti Putu Raka
Jurnal Teknik ITS Vol 7, No 2 (2018)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23373539.v7i2.34000

Abstrak Gedung Apartemen One East Surabaya merupakan gedung yang difungsikan sebagai hunian vertikal yang dibangun di kawasan perumahan. Apartemen One East sendiri merupakan gedung dengan struktur 31 lantai yang memiliki tipe tipikal sehingga mulai dari lantai 4 ke atas mempunyai konfigurasi denah yang sama. Gedung ini dibangun dengan beton bertulang menggunakan metode cor ditempat sehingga memerlukan waktu pengerjaan yang relatif lama. Dalam pengerjaannya pun, seringkali kurang memerhatikan ketelitian dan faktor kenyamanan seperti tinggi ruang bebas sehingga hasil pengerjaan tidak maksimal. Pada Desain struktur gedung apartement One East ini akan di desain ulang dengan menggunakan struktur Flat Slab. Rangka utama akan didesain sebagai Sistem Rangka Gedung dan dinding struktur didesain sebagai dinding struktur beton khusus. Berdasarkan hasil analisa yang telah dilakukan didapatkan ringkasan bahwa rangka utama gedung mampu menahan beban lateral arah X dan Y yang masing-masing arah sebesar 8,41% dan 4,85% sehingga syarat Sistem Rangka Gedung terpenuhi. Analisa harga terhadap perbedaan tebal pelat dilakukan untuk mengetahui efektivitas pemilihan tebal pelat yang efisien dan ekonomis. Dari hasil analisa tersebut didapatkan bahwa biaya pembuatan Option 1 (t pelat=350 mm, t drop panel =100 mm) menghasilkan harga pembuatan sebesar Rp74.553.887 dan biaya pembuatan Option 2 (t pelat=250 mm, t drop panel =200 mm) menghasilkan harga pembuatan sebesar Rp66.499.595. Sehingga dalam pembuatannya Option 2 dapat menghemat biaya pembuatan pelat sebesar 10,803%.

Inovasi Sambungan Mekanis Menggunakan Clamp Baja Untuk Tulangan Beton Parmo Parmo; Tavio Tavio
EMARA: Indonesian Journal of Architecture Vol. 1 No. 2 (2015): EIJA | December 2015 ~ February 2016
Publisher : Universitas Islam Negeri Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.037 KB)

Pertumbuhan perkotaan di Indonesia beberapa waktu terkakhir cenderung lebih mengarah pada overground space. Hal ini disebabkan karena populasi penduduk perkotaan mengalami peningkatan yang signifikan dan tidak sebanding dengan lahan yang tersedia. Banyaknya bangunan tinggi dan gedung pencakar langit juga menandai fenomena tersebut. Namun, bangunan tinggi dan gedung pencakar langit memiliki potensi terhadap bahaya gempa bumi, lebih lagi Indonesia adalah termasuk wilayah yang rawan terjadi gempa bumi. Dalam perencanaan bangunan tahan gempa dua hal pokok yang perlu diperhatikan adalah kekuatan dan daktilitas. Kemampuan berdeformasi dan kekuatan pada sambungan antar tulangan menjadi pertimbangan dalam desain struktur tahan gempa. Dari hasil pengujian tarik clamp baja untuk sambungan mekanik tulangan D13 diperoleh yield strength 270.69 Mpa, ultimate tensile strength 351.45 Mpa dan beban maksimum 4757 kg serta elongation 40%. Sedangkan untuk sambungan mekanik tulangan D16 diperoleh yield strength 217.80 Mpa, ultimate tensile strength 327.605 Mpa dan beban maksimum 6717 kg serta elongation 32%. Pada penelitian ini digunakan 2 (dua) buah clamp baja. Namun, untuk memeperoleh hasil yang lebih baik perlu penambahan jumlah clamp dan peningkatan kualitas material clamp baja.

THE INFLUENCE OF AGGREGATE MAXIMUM DIAMETER AND VARIABLE OF SPECIMEN SIZE ON CONCRETE COMPRESSIVE TEST Aman Subakti; Tavio Tavio
Journal of Civil Engineering Vol 31, No 2 (2011)
Publisher : Institut Teknologi Sepuluh Nopember

Quality control problems of great importance in supporting the successful development of the project, due to carry out quality control results will be obtained in accordance with the terms specified techniques. Form of the test object in the implementation of quality control may affect the accuracy of the results, especially on standardized test specimens are not generated from the test piece drill cores. There are several sizes of test objects used in accordance with regulations such as PBI 1971dan British Standard (BS) using the test specimen size 15x15x15 cm 3, 20x20x20 cm3. ACI 318, ASTM C42/C42M 2003, using a cylindrical test specimen dimensions 15x30 cm. There is a discourse of the specimen size 10x20 cm due to the size of the specimen is sufficient in number when using a laboratory mixer other than that estimated difference with the test results are not significant 15x30. Test specimen 15x15x15 and 20x20x20 cm cube estimated results are less rigorous than the cylinder, because the cube distribution voltage is not equal than the cylinders which form a circle so that distribution is the same if the specimen is pressed. Taking the test object with a core drill is sometimes produced beyond the standard test specimen is less than 15 cm, 10 cm even for the special conditions of the drill core of 5 cm. Reasons mentioned above the authors conducted research on "Influence of aggregate diameter on compressive strength and the influence of variation of L / D of the compressive strength and the results will be compared with ASTM C42 / C42M-2003. In this study made two kinds of mixed concrete fc' = 225 kg/cm2 and fc' = 400 kg/cm2, because concrete is the most widely used in practical and concrete categories included normal quality concrete. Stage is the initial stage of examining the influence of the maximum aggregate diameter on compressive strength, to find the optimum diameter for compressive strength.

OPTIMIZATION OF MIXED CONCRETE “SELF COMPACTING” MATERIAL USING FLY ASH, SILICA FUME AND THEIR INFLUENCE OF IRON SLAG STRONG CONTRIBUTION TO THE PRESS Dwiputro Raharjo; Aman Subakti; Tavio Tavio
Journal of Civil Engineering Vol 31, No 1 (2011)
Publisher : Institut Teknologi Sepuluh Nopember

Self-compacting Concrete (SCC) is an innovation of concrete that does not require the process to occupy formwork vibration (Placing) and compacted (compaction). SCC is able to flow under its own weight, unable to meet or fill formwork (formwork) and reached its highest density. SCC requires a mineral Admixture fly ash and chemical form of Viscocrete a high viscosity in order to meet the specified flowability, whereas other compounds are iron slag waste from steel mill wastes in the form of fine aggregate. Trial mix performed on materials such as fly ash, mineral Admixture fly ash, silica fume, chemical Admixture Sika is viscocrete 10 from Indonesia, and the material is a mixture of iron slag from PT Ispat Indo to determine the optimal composition and meet the requirements of filling ability, passing ability , viscosity and segregation. Tests using the slump cone filling ability, passing ability to use L-box, while the viscosity and segregation using the V-funnel. Compressive strength testing performed with a cylindrical test piece 10 x 20 cm at the age of concrete 3.7, 14, 28 and 56 days. With as many as 495 test specimen for the test object 33 composition of concrete mix design. Each dose was given viscocrete composition from 0.5 to 1.8% by weight of cementitious according to the dose required by Sika Indonesia. While the dose of Silica Fume composition using 0%, 10% and 20% of fly ash pozzolan. The final aim of this study are expected to obtain the optimal material composition of the mixture by generating a maximum compressive strength and price efficient as well.

DIRECT COMPUTATIONAL METHOD FOR DEFINING LONGITUDINAL STEEL OF RC SQUARE COLUMNS Tavio Tavio; Puspa Ramadhani
Journal of Civil Engineering Vol 30, No 2 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

This paper presents a study to examine the significance of longitudinal reinforcement on column strength in terms of interaction between axial capacity and bending moment. A new computer programming was developed to accelerate the computational effort. The program can be used to calculate the need of longitudinal reinforcement directly without constructing the P-M interaction diagram for a specific rectangular column with various reinforcement ratios. It can be concluded that longitudinal reinforcement ratio affects the column capacity significantly. The originality of the program is also one of the key points in the development of the program for modern analytical tool. The computational procedures developed in the program were based on ACI 318M-02 and SNI 03-2847-2002. The results have also been proven to be accurate when compared with PCA Col program.

Strut and tie model optimization for reinforced concrete deep beam using genetic algorithm Bambang Piscesa, PhD; Tavio Tavio
Journal of Civil Engineering Vol 35, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v35i1.7754

This paper presents strut and tie model structural optimization of reinforced concrete deep beam using genetic algorithm. Genetic algorithm is used as the optimization platform as it does not require differentiation of the exact mathematical formulation to get the optimum solution. The force analysis is carried out using two-dimensional linear finite element method with truss element. The struts and ties design are based on ACI 318. One RC deep beam example is presented as an example. During optimization, there are two constraints which consisted of strength of the member alone and combination with deformation limit of the nodes. The stress ratio for both struts and ties are set to not exceed unity while the deformation was limited to 2.0 mm. From the optimization analysis, it can be concluded that genetic algorithm can be used to get the most optimum structural configuration which yield the most economical solution for design purposes. On the other hand, it is found out that optimizing only the strength alone can yield a more economical solution compared to the design references. However, if deformation constraint is added in the optimization parameters, larger deep beam depth is required to satisfy the deformation limits.

ANALYTICAL STUDY ON THE EFFECT OF CONFINEMENT OF R.C. CIRCULAR COLUMN TO THE VALUE OF CURVATURE DUCTLING Kurdian Suprapto; Tavio Tavio; Yanuar Siscaria Rahmawati
Journal of Civil Engineering Vol 30, No 2 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Construction technology has been rapidly developing nowadays which often requires the use of higher ductility of structural elements. All structural members, especially columns as primary structural components should have higher ductility so that it can delay the collapse of the buildings during earthquake. There is a significant difference in behavior between unconfined and confined concrete columns. Confined concrete columns show higher ductility compared with those unconfined. To accommodate the analysis, a computer program called MoCurv v.1.2 is developed. This program is an improvement of the earlier developed program called MoCurv v.1. This program can be used to analyze circular column sections with NSC and HSC. Five major factors are dominantly control the value of curvature ductility, i.e. transverse reinforcement spacing, number and size of longitudinal bars, strength of concrete, column size, and axial loading. Parametric study has also been done to compare the effectiveness of each parameter. It can be concluded that the most influencing parameter to the value of curvature ductility is the spacing of transverse reinforcement.

Strut and tie model optimization for reinforced concrete bridge pier head structure using a genetic algorithm Bambang Piscesa; Tavio Tavio
Journal of Civil Engineering Vol 35, No 2 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v35i2.8573

Strut and tie model (STM) is more suitable to design the pierhead structures which resist high shear forces transferred from the girders. These pierhead structures behave like the disturbed regions as in reinforced concrete deep beam. The design of the struts and ties elements requires the initial geometry configuration of the truss model where its boundaries are limited by the shape of the pier head structures. To find the optimum topological shape of the truss model, the genetic algorithm (GA) optimization technique is used in this paper. The objective functions in the GA optimization consisted of minimizing the usage of concrete and steel reinforcement material and ensuring all the stress ratio of the strut and tie elements are less than equal to unity. Both prestressed and non-prestressed pierheads are investigated in this paper. The use of prestressing in the pierhead structures reduces the stresses in the main tension tie significantly and allowing some members of the shear tie and compression struts to have almost zero stresses. For these elements with zero stresses, the elements can be removed and reduces the concrete and rebar materials usage. Furthermore, the genetic algorithm optimization is found to be successful to ensure all the stress ratio in the members to be less than equal to unity.

STUDY ON THE EFFECT OF REINFORCEMENT RATIO ON THE N-M INTERACTION DIAGRAM OF CIRCULAR COLUMNS USING A NEW DEVELOP DIRECT COMPUTATIONAL PROCEDURE Tavio Tavio; Indra Degree K.
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

The calculation of reinforcement ratio of concrete columns is very significant since the calculation will guarantee the columns ductility and reinforced efficiency. However, this calculation spent a lot of time and accuracy. Hence the manual calculation will not be efficient. On the other hand, a lot of computational programs are developed recently for civil engineering calculations. This study presents a useful computer-aided program that can be used to calculate the required longitudinal reinforcement ratio in a circular column. The code of this developed program adopts from SNI 30-2847-2002, which the reduction factors based on governed by the axial load in column capacity. As comparison the developed program also adopts ACI 318-2002, which the tensile strain that controls the reduction factor. The results from this program will be verified with PCA Column for output validity.

Co-Authors . Faimun A. B. Habieb A. Tata Agoes SMD Agoes SMD Agus Sulistiawan Agustiar, Agustiar Ahmad Fatihuddin Afif Alfred Edvant Liemawan Aman Subakti Angga Bayu Christianto Arbain Tata Ardiansyah Kusuma Negara Atik Wahyuni Bambang Piscesa Benny Kusuma Dhiafah Hera Darayani Dwiputro Raharjo F. Milani Fachrul Fachrul Rizal Fajar Aribisma Fauzan Kurnianto Firdauziah Ramadhani Firly Ayu Agus Dian G. Milani Halimatus Sa’diyah Harsono, Budwi Harun Al Rasyid Hemas Mutia Anggraini Heppy Kristijanto Hidajat Sugihardjo I G. P. Raka I Gusti Putu Raka I Nyoman Budiantara Iman Wimbadi Indra Degree K. Iranata, Data Irawan, Candra Karmila Achmad Karmila Achmad Karmila Achmad Killian Casey Wisman Kurdian Suprapto Meity Wulandari Mohammad Akbar Alrasyidi Muhammad Farhan Firmansyah Nathanael Christopher Sutopo Parmo Parmo Parmo Parmo Parmo Parmo Priyo Suprobo Pudjisuryadi, P. Purwadi Agus Darwito Puryanto Puryanto Puryanto Puryanto Puspa Ramadhani Raditya, Murry Raka, I G. P. Rasyiid Lathiif Amhudo Recky Tirtajaya Suzzan, Amelynda Oktaviyana Vincentius Felix Susanto Wildan Pramadistya Rifliansah Yanisfa Septiarsilia Yanuar Siscaria Rahmawati Yudha Lesmana

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