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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur International Journal of Science and Engineering (IJSE) MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL KARYA TEKNIK SIPIL Rekayasa Sipil Journal of Regional and City Planning Jurnal Teknik Sipil Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Teras Jurnal Potensi : Jurnal Sipil Politeknik Civil Engineering Dimension JTERA (Jurnal Teknologi Rekayasa) SIKLUS: Jurnal Teknik Sipil Journal of Architectural Design and Urbanism Jambura Journal of Electrical and Electronics Engineering Jurnal Sisfotek Global Journal of Economic, Business and Engineering (JEBE)

Nuroji Nuroji

Departemen Teknik Sipil, Fakultas Teknik, Universitas Diponegoro Semarang

Author-ID : 335506

Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

Published : 36 Documents Claim Missing Document

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Pemodelan Retak pada Struktur Beton Bertulang Nuroji, Nuroji; Besari, Mohamad Sahari; Imran, Iswandi
Jurnal Teknik Sipil Vol 17, No 2 (2010)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (344.391 KB)

Abstrak. Paper ini menyajikan pemodelan retak pada struktur beton bertulang dengan menggunakan nonlinear finite element. Pemodelan retak yang digunakan dalam studi ini adalah discrete crack untuk mensimulasikan diskontinuitas regangan. Discrete crack dimasukkan ke dalam struktur ketika tegangan utama tarik pada titik nodal telah mencapai kuat tarik beton. Penerapan discrete crack ini hanya dilakukan jika hasil kombinasi tegangan didominasi oleh tegangan normal tarik. Meskipun demikian, jika tegangan utama tarik pada Gauss point telah melampaui tegangan tarik beton, retak diperlakukan sebagai retak tersebar dengan merubah perilaku material dari isotropik menjadi orthotropik. Untuk menggambarkan arah dan pola retak retak yang benar, pemasukan discrete crack ke dalam struktur tidak hanya dilakukan dengan melakukan pemisahan titik nodal yang tegangannya telah mencapai kuat tarik beton, tapi juga merotasi retak ke arah tegak lurus terhadap arah tegangan utama tarik dan menggeser titik nodal di ujung retak sejauh perambatan retaknya. Beberapa benda uji dengan kasus yang berbeda yaitu Beam J4 (Burns and Siess 1962), Beam OA (Bresler dan Scordelis 1963) dan Beam A4 (Ahmad et al. 1986). dianalisis untuk memvalidasi model. Model ini bukan hanya mampu menunjukkan bahwa respon struktur dari model sangat mendekati hasil pengujian eksperimental, tapi juga dapat menggambarkan pola retak yang benar.Abstract. This paper presents a crack model for reinforced concrete structures by using nonlinear finite element method. The crack model used in this study is a discrete crack to simulate strain discontinuity, Discrete cracks are inserted into the structure when the principal tensile stress of nodes have reached the tensile strength of concrete. Insertion of discrete cracks into the structure is only performed when resulting stress combinations are dominated by normal tension stress. Nevertheless, if the principle tension stress on a Gauss point has exceeded the tensile strength of concrete, the craks is treated as a smeared crack with a change in material behavior from one isotropic to another orthotropic character. To find the appropriate direction and pattern of cracks, insertion of discrete cracks into the structure is not only performed by node separation at nodes which have reached the tensile strength of concrete, but also by rotation of the crack perpendicular to the direction of the principle tension stress and dragging the crack-tip node as far as the crack has propagated. Some specimens with different cases e.i Beam J4 (Burns and Siess 1962), Beam OA (Bresler dan Scordelis 1963) and Beam A4 (Ahmad et al. 1986) were analyzed to validate the model. The model is not only able to shows that the structure response is very close to the experimental test, but also can describe the proper crack pattern.

Evaluasi Program Pembangunan Infrastruktur Perdesaan di Desa Wonokerto, Kecamatan Turi, Kabupaten Sleman Cakrawijaya, Muhammad Amin; Riyanto, Bambang; Nuroji, Nuroji
Jurnal Perencanaan Wilayah dan Kota Vol 25, No 2 (2014)
Publisher : The ITB Journal Publisher

Abstrak: Program Pembangunan Infrastruktur Perdesaan (PPIP) merupakan program bantuan pembangunan infrastruktur perdesaan yang diarahkan untuk mendorong peningkatan perekonomian perdesaan. PPIP dilaksanakan secara partisipatif dimana masyarakat dapat memilih infrastruktur yang diinginkan. Dengan pendekatan partisipatif, prioritas infrastruktur bergantung pada kemampuan masyarakat dalam memilih. Penelitian ini bertujuan untuk melihat keterkaitan dan dampak PPIP yang telah dipilih masyarakat terhadap pertumbuhan ekonomi kawasan perdesaan dengan menggunakan pendekatan triangulasi atau mix-method dan teknik sampling multi-stage sampling, dengan mengambil studi kasus di Desa Wonokerto Kecamatan Turi. Berdasarkan penelitian ini didapatkan hasil bahwa infrastruktur yang dibangun melalui PPIP secara umum hanya dirasakan oleh sebagian kecil masyarakat, dan bersifat sementara atau tidak berkelanjutan.Kata Kunci: Pembangunan infrastruktur, pertumbuhan ekonomi, pembangunan perdesaan, SlemanAbstract: Rural Infrastructure Development Program (RIDP/PPIP) is an assistance program to develop infrastructure in rural area to increase the economies of the rural area. PPIP is a participatory program where people can choose the desired infrastructures. With a participatory approach, priority infrastructure relies on the ability of communities to choose. This study aims to assess the relationship and impact ofRIDP on the rural economic growth in Wonokerto Village, Turi District, using mix-method approach and multistage sampling method. This research shows that the economic growth is only experienced by a small portion ofthe population and tends to be temporary or unsustainable.Keywords: Infrastructure development, economic growth, rural development, Sleman

LABORATORY TESTING AND MODELING THE INTERFACIAL TRANSITION ZONE OF SLAG-CONCRETE Lie, Han Ay; Nuroji, Nuroji
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 3, OKTOBER 2009
Publisher : Department of Civil Engineering, Diponegoro University

The transition zone at the aggregate surface has a distinctive formation, in terms of its mechanical as well as its physical properties. This layer is recognized as the ITZ (Interfacial Transition Zone) and considered the â€œweak linkâ€, since micro cracks are commonly initiated in this area. The properties of this ITZ are jet to be investigated. SEM (Scanning Electron Microscope) images only provide qualitative information such as formation, type and relative amount of crystals. Therefore, other means are required to represent a better understanding to the behavior of the ITZ. The mechanical and physical properties of the ITZ are highly influenced by the differentiation in porosity and strength. A mathematical or FEM (Finite Element Model) can be used to bridge this lack of information. This paper deals with the the modeling approach of ITZ as well as the concept of laboratory testing for validation of the model. Keywords: labour group composition, SNI 2002, field labourâ€™s productivity, middle-class housing. ABSTRAK Daerah peralihan antara agregat dan mortar memiliki susunan struktur dan sifat mekanis yang berbeda dengan mortar yang berjauhan dari agregate. Daerah ini dikenal sebagai ITZ (Interfacial Transition Zone) dan diketahui sebagai daerah yang â€œlemahâ€ karena retak mikro biasanya diawali di ITZ ini. Perilaku mekanis ITZ sangat sulit ditentukan secara tepat, pengamatan menggunakan SEM (Scanning Electron Microscope) hanya dapat memberikan gambaran secara kualitatif, berupa perilaku bentuk, susunan dan jumlah kristal sehingga perlu adanya pendekatan lain yang dapat memberikan nilai kuantitatif terhadap perilaku ITZ. Pengamatan terhadap sifat mekanis dan fisis ITZ terhadap mortar menunjukkan perbedaan kadar pori dan kekuatan. Untuk menggambarkan konfigurasi pori dan kekuatan ITZ dapat digunakan model, baik model matematis atau FEM (Finite Element Model) yang divalidasi dengan hasil pengujian laboratorium. Tulisan ini membahas konsep permodelan ITZ serta metoda validasi di laboratorium. Kata kunci: model, interfacial transition zone, mortar, aggregate, kekakuan

Perilaku Nonlinier Buckling pada Struktur Cangkang Bola Sumirin, Sumirin; nuroji, nuroji
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 20, Nomor 2 (2014)
Publisher : Department of Civil Engineering, Diponegoro University

This paper presents the results of a numerical study using the finite element method in geometrical nonlinear on camped shallow spherical shells under uniform pressure. The shell structure was modelled by finite axisymmetric thin shell elements and quadrilateral elements. The geometrical nonlininear problem was solved by a scheme of incremental iterative procedures applying Newton-Raphson method in combination with arch length methods. The results of finite element analysis compared with the experimental results of previous reseacher.

Pengaruh Panjang dan Diameter Stud terhadap Keruntuhan Geser Struktur Komposit Baja-Beton Ayu Hapsari, Rahma Nindya; Nurhuda, Ilham; Nuroji, Nuroji
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, (2018)
Publisher : Department of Civil Engineering, Diponegoro University

Composite structures of concrete slabs and steel beams require shear connectors to transfer shear force between steel beams and concrete slabs. The strength of stud shear connector specified on SNI 03-1729-2013 only considers the effect of stud diameter, however the length of a stud may influence its behavior and strength. This research observes the effects of length and diameter (?/?) of shear connectors on the strength. This research was conducted using the push out method explain in AS-4347- Part I. The test specimens observed in this research were concrete and steel composites, composing IWF 350x175x11x14 mm and concrete blocks of size 450x225x160 mm. The studs were made of steel reinforcements with diameter (?) of 10, 16 and 22 mm, were welded on IWF with 5 mm weld thickness. The length of studs for each stud diameter were 4d, 5d, and 6d. The results indicate that the increase in stud diameter will increase the load capacity of stud. The length of studs effect its load capacity. A slim stud experiences large bending moment at the base of the shear connector. The results show that the highest value of load capacity is measured at specimens with ?/? ratio of 5.

Studi Eksperimental Lekatan antara Beton dan Tulangan pada Beton Mutu Tinggi Nuroji, Nuroji
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 3, Edisi XXX, OKTOBER 2004
Publisher : Department of Civil Engineering, Diponegoro University

In recent years, concrete with compressive strength in excess of 50 MPa has been utilized in building construction. However, many empirical equations used to predict properties of concrete or design structure members are based on test using concrete with compressive strength less than 41 MPa. Applicability of this design equation for high strength concrete structures may lead to conservative or even unsafe design. One such example is the provision for calculating development length of reinforcing bars which is developed based on bond capacity of steel bars embedded in concrete.The research study was motivated by the lack of test data on bond performance of reinforcing bars embedded in high strength concrete especially those related to high-strength fly-ash concrete. More than 35 specimens with various concrete compressive strength fcÂ¢ and bar diameter (deformed and smooth bar) were tested. The result of this experimental shows that bond equation from ACI is too conservative for high strength concrete structures. Kata kunci: Lekatan beban dan tulangan, beton mutu tinggiPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2739 [How to cite: Nuroji, 2004, Studi Eksperimental Lekatan antara Beton dan Tulangan pada Beton Mutu Tinggi, Jurnal Media Komunikasi Teknik Sipil, Volume 12, Nomor 3, pp. 27-37]

PERANCANGAN STRUKTUR HOTEL IBIS BUDGET SEMARANG Ramadhianto, Wirajati; Puspitarini, Novia; Nurhuda, Ilham; Nuroji, Nuroji
Jurnal Karya Teknik Sipil Volume 5, Nomor 1, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (442.739 KB)

Structural Design of Ibis Budget Hotel Semarang was designed to comply with SNI 2847-2013 and SNI 1726-2012. Seismic analysis was conducted using dynamic respons spectrum method. The building was designed to be located in zone 4 Indonesian seismic vurnability map meaning that it can experience large earthquake acceleration. Hence the building must be designed as an earthquake-resistant structures. This building was designed as special moment resisting frame systems (SMRFS). The frame system was composed of beams and columns. The columns were designed to be stronger than the beams (strong column-weak beam concept). The concrete was of f'c 29,05 MPa, and the steel reinforcement of the longitudinal bar was fy 400 MPa. The Structure analysis was conducted using an analysis structure program to model the structure and calculate the internal forces on the structure. Failure at the beam-column joint was avoided by designing plastic hinges to occur at the beam ends and at the top base columns connected to foundation.

Perencanaan Jembatan Leho Kawasan Pesisir Kabupaten Karimun, Kepulauan Riau, dengan Struktur Jembatan Pelengkung (Arch Bridge) Winarno, Adhyta Narendra; Pakpaham, Alfred Nobel; Tudjono, Sri; Nuroji, Nuroji
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1213.346 KB)

The Design of Leho Bridge in Karimun Coastal Area, Riau Islands, based on the needs of a transportation infrastructure that connecting the Old Town Area with Sei Bati Airport. This Bridge Structure is designed by using an Arch Bridge Structure considering that it’sfunction also as a monumental building.Based on the results of highway capacity analysis, the bridge’s width designed as 9,00 m with 2/2 UD type which the pavement is 7,00 m width and each of the pedestrians are 1,00 m width. Then the bridge’s span is determined as 60,00 m, based on the gulf’s geometry and the boat’s traffic under the bridge. The Clearance below the bridge is affected by the highest water level and the boat’s heightwhich on this case is taken as 11,00 m.Through the design and the calculation with Load and Resistance Factor Design’s method we found the section of the arch rib is a box formed steel profile which size is 900.900.40.40 with the yield stress is 290 MPa. While the main beam using a box formed steel profile which size is 900.400.30.30 with the yield stress is 290 MPa. The foundation system is designed by using a group of sheet piles which the diameter is 60 cm as much as 24 piles on each abutments.

Perbandingan Perkerasan kaku Pracetak dan Beton Konvensional dengan Menggunakan Analytical Hierarchy Process (AHP) Nuroji, Nuroji; Setiadji, Bagus Hario; Aktorina, Wahyu
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 26, Nomor 2 (2020)
Publisher : Department of Civil Engineering, Diponegoro University

Perkerasan kaku pada banyak ruas jalan dianggap sebagai solusi dari beban lalu lintas yang terus meningkat yang menuntut kinerja dan durabilitas konstruksi jalan yang tinggi. Akan tetapi penggunaan perkerasan kaku membutuhkan waktu pelaksanaan yang lebih lama untuk mencapai kuat tekan betonnya sampai jalan dapat dioperasikan. Beberapa industri telah mengembangkan perkerasan dari panel beton pracetak untuk mereduksi waktu pelaksanaan. Makalah ini membahas tentang perbandingan penggunaan perkerasan kaku antara beton pracetak dan beton konvensional. Dua ruas jalan yaitu Jalan Margomulyo Surabaya yang menggunakan perkerasan beton pracetak dan Jalan Semarang – Jambu yang menggunakan perkerasan beton konvensional dipilih sebagai obyek penelitian. Biaya, waktu, kemampuan layanan dan kinerja lalu lintas adalah empat variabel yang ditinjau dalam penelitian ini yang dianalisis dengan menggunakan metoda Analytical Hierarchy Process (AHP) dengan mempertimbangkan 15 orang ahli yang kompeten sebagai responden. Berdasarkan analisis menunjukkan bahwa pada pekerjaan peningkatan jalan penggunaan perkerasan pracetak lebih efektif dan efisien dengan skor 58,42% sedangkan skor beton konvensional 41,58%.

KAJIAN PERBANDINGAN PENGARUH PENGGUNAAN DINDING PRECAST DENGAN DINDING KONVENSIONAL PADA PROYEK CORDOVA SEMARANG Rohman, Muhamad Arif; Wibowo, M Agung; Nuroji, Nuroji
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 26, No 1 (2021): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v26i1.2643

Innovation in the world of construction is something that is indispensable, one of theinnovations in the construction sector is precast. The use of precast is expected to beable to reduce project costs to accelerate the duration of work. But in fact, theproducts of innovation in the world of construction have not been fully able to havea positive impact, both in terms of cost, quality, time, waste, on project development.Products of innovation are usually not necessarily in accordance with the wishesand needs of the customer. The purpose of this research is to analyze thecomparison of products in terms of time, cost, quality, waste, and in terms of K3Lbetween projects using precast walls and projects using the lightweight brick wallmethod. This research was conducted by (1) conducting a project simulation if theproject did not use precast, (2) comparing a real project with a simulation project interms of cost, quality, time, waste, and K3L. The use of precast in the Cordovaproject when compared to a simulation project that uses lightweight bricks results in(1) in terms of time saving 36,84 % on the simulation results project (2) in terms ofcosts can be reduced by Rp. 101.488.543,99 (3) in terms of quality precast materialhas The quality is better than the lightweight bricks (4) in terms of waste, in thesimulation result project it creates more waste (5) in terms of K3L, the use ofprecast is more environmentally friendly than the simulation results project.

Co-Authors Adhyta Narendra Winarno Afdholi Afdholi Aktorina, Wahyu Alfred Nobel Pakpaham Andika Yudha P Antonius Antonius Ardidawa, Variandi Aria Wirawan Aries Susanty Arif Hidayat Ay Lie Han Bagus Hario Setiadji Bambang Riyanto Bambang Riyanto Bernard Bayu Baskoro Blinka Hernawan Prasetya Bobby Rio Indriyantho Budi Wicaksono Cahyo, Bagas Indra Daniel Erlanda David Mulyawan Prayogo Dea Nika Alvianti Eko Riyanto Riyanto Gagoek Hardiman Hadi Wibowo Hadi, Nofiar Han Ay Lie Hardi Wibowo Hery Suliantoro Himawan Indarto Ilham Nurhuda Ilham Nurhuda Iswandi Imran Jumani Arso Livian Teddy M Agung Wibowo M. Asep Rizkiawan Mardani Rizki Anggoro Moedjiono Moedjiono Mohamad Sahari Besari Mohamad Sahari Besari, Mohamad Sahari Monica Devi Muhammad Amin Cakrawijaya Muhammad Amin Cakrawijaya Nicolaus Iyowau Nizami, Chazaidhan AlFahd Novia Puspitarini, Novia Nurhuda, S.T., M.T., Ph.D., Ilham Purwanto Purwanto Putra, Ryan Dwiyana Rahma Nindya Ayu Hapsari Ramza, Harry Rangga Maulana Rohman, Muhamad Arif Rudi Yuniarto Adi Sahari Besari Sie Alexander Patrick Subagyo Sofwan, Agus Sri Rejeki Laku Utami Sri Tudjono Sri Tudjono Sukamta Sukamta Sumardi . Sumirin Sumirin Sumirin Sumirin Supriyadi Supriyadi Thoyfurrohman, Muhammad Akhis Ujang Ruslan Vanessa Nurmalita Windu Partono Windu Partono Wirajati Ramadhianto, Wirajati Yulianti, Erika Yulita Arni Priastiwi Yulita Arni Priastiwi Priastiwi

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