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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL KARYA TEKNIK SIPIL Seminar Nasional Teknologi dan Multidisiplin Ilmu
Parang Sabdono
Departemen T. Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Social Sciences

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DESIGN OF SUBMERGED BREAKWATER Sabdono, Parang; Parmantoro, Priyo Nugroho
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 1, Edisi XXVIII PEBRUARI 2004
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.648 KB) | DOI: 10.14710/mkts.v12i1.6171

Abstract

Pantai alexsandria yang berlokasi di Mesir merupakan pantai tujuan wisata yang terkena erosi gemburan gelombang. Untuk melindungi pantai dari erosi yang berlanjut dipilih struktur submerged breakwater dengan alasan lebih estetis dibandingkan dengan merged breakwater. Hal ini dikarenakan puncak struktur beradadi bawah muka air laut rata-rata sehingga para wisatawan masih dapat melihat pemandangan ke laut lepas tanpa adanya penghalang bagi pandangan mereka. Alasan lain, dengan perlindungan oleh submerged breakwater pengunjung dapat dengan aman berenang di pantai, tetapi dapat pula merasakan gelombang, dan arus. Untuk tujuan renang sub merged breakwater dibagi dalam segmen-segmen. Tinggi gelombang signifikan (Hs) harian digunakan untuk merencanakan struktur sub merged breakwater, tetapi untuk kekuatan breakwater digunakan Hs dengan kala ulang 100 tahun.
Percobaan Tarik-Langsung pada Beton Konvensional Han, Ay Lie; Narayudha, Moga; Sabdono, Parang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 3, Edisi XXX, OKTOBER 2004
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.942 KB) | DOI: 10.14710/mkts.v12i3.3889

Abstract

Although the tensile strength of concrete does not plays a predominant role in the analysis and design of concrete structures, the knowledge of concrete behavior under tension is of value when estimating the load level under which cracking will occur. The relation between compression and tensile strength is developed based on experimental results and is represented as a formula highly depending on the tensile testing method in the laboratories.  The Splitting Tensile Test and Flexural Strength Method are well know, while the Direct Tensile Test is relatively young, and its acknowledgement by ASTM under process.  The experimental research conducted at the Concrete and Structural Laboratory, Diponegoro University, Semarang tries to give a better view to the Direct Tensile Test for concrete.  This paper presents in brief, the indirect and direct testing methods, and evaluates the data obtained.Kata kunci : Kuat tarik beton, direct Tensile test, indirect test, kuat tekan betonPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3889[How to cite: Aylie, H., Narayudha, M., dan Sabdono, P., 2004, Percobaan Tarik-Langsung pada Beton Konvensional, Jurnal Media Komunikasi Teknik Sipil, Volume 12, Nomor 3, pp. 75-83]
PERENCANAAN STRUKTUR GEDUNG KULIAH LIMA LANTAI DI KOTA SEMARANG (Dengan Menggunakan Metode SRPMK Rianti, Desy; Prawira, Ahmad Agung; Indarto, Himawan; Sabdono, Parang
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The structural of college building planned in Semarang, which the structure of the building is designed by using the Special Moment Resisting Frame System (SMRFS) based on ”Indonesian Concrete Code (SNI 03-2847-2002)”, while the analysis of earthquake load uses response spectrum method based on “Indonesian Seismic Code (SNI 03-1726-2010)”. The design structural of these college building using“Capacity Design” concept. As for using this concept has purpose what if strong earthquake happens, that cause forms plastic hinge on structural elements which is desired appeared on the beams. To guarantee plastic hinge happens on the beams, so the coloumns must be designed stronger than the beams (Strong Column Weak Beam Concept). The analysis of the structure is using SAP2000 computer program  version 14. As the result of calculations showed that structural element of building is safe based on analyze.
PENGARUH BENTUK DAN KONFIGURASI AGREGAT TERHADAP KUAT TEKAN MORTAR Hutagalung, Martin; Setiawan, Yanuar; Lie, Han Ay; Sabdono, Parang
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (737.597 KB)

Abstract

This study aimed to investigate the influence of the shape and position of aggregate to compressive strength of matrix. Research conducted so far to say that the aggregate does not really affect the compressive strength of concrete and the opinions of experts who say that the aggregate rounded shaped is the aggregate are best used in the mix concrete . Therefore, there was a suggestion in this study to examine how the aggregate effect of the concrete compressive strength if we use the aggregate shaped beam (angular). That question will be answered by laboratory testing and modeling and analysis using software (SAP 2000). To determine the effect  used variations size of aggregate  measuring 2 x 2 x 5 cm and 2.5 x 1.5 x 5 cm at the time of casting is also variation in the position to determine the aggregate effect on the compressive strength of matrix. Tests conducted with uniaxial loading (one-way) and use the data logger and LVDT (Linear Variable Displacement Transducer), to measure the displacement that occurs. Through this research is expected, in addition to knowing their effects on the compressive strength of concrete, can also determine its relation to the concrete cracking pattern of voltage obtained when testing and validated by using SAP 2000.
STUDI EKSPERIMENTAL PENGARUH KONFIGURASI SENGKANG PADA DAERAH TEKAN BALOK BETON SERAT BERTULANG Sufaat, Muchtar; Pratama, Dian Adhitya; Purwanto, Purwanto; Sabdono, Parang
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Concrete has relatively high compressive strength, in other hand higher concrete compression give more brittle of failure. There are several methods for improvement such as addition steel-fiber in concrete mix and confinement in the compression zone. This study present a further study on the influence of addition 0.5% steel-fiber of concrete volume to concrete mix and three specimen fiber concrete beams ware evaluated with three stirrup configuration (BF1, BF4, BF5) that concentrated in the compression zone. The study’s analyze using a pure beding test with 2 point load of a simply supported beam. The variation of stirrup configuration concentrated at pure beding moment zone of beam. The result of this study, the addition of steel-fibers to the concrete mix increased the cylinder compression strength by 11,96%, The moment capacity of BF4 increased by 0,96% compered to BF1 in other hand the specimen BF5 reduce by 4,1% compered to BF1 ,The Stiffnes of BF4 increased 132,64% and BF5 increased by 25,44% compared to BF1,The Ductility of specimen BF4 increased by 148,01% and BF5 increased by 3.97% compared to BF1.
KAJIAN GESER INTERFACE ANTARA BETON LAMA DAN BARU DENGAN VARIABEL WAKTU DAN VARIABEL PENANGANAN INTERFACE Sandagie, Edwin; Hendrico, Ferdinandus; Sabdono, Parang; purwanto, Purwanto
Jurnal Karya Teknik Sipil volume 1, Nomer 1, tahun 2012
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRAK   Dalam bidang perbaikan dan perkuatan struktur beton, sering muncul kebutuhan untuk menempatkan beton baru menyatu dengan beton lama. Beberapa contoh aplikasi di lapangan adalah pada struktur jalan raya yang membutuhkan perbaikan atau pelebaran dan juga untuk memperbaiki struktur beton dari kerusakan akibat penurunan kualitas. Penelitian ini menggunakan salah satu metode penanganan interface yaitu dengan mengasarkan permukaan beton lama. Pada metode penyambungan dengan pengasaran permukaan beton lama, dibagi menjadi dua yaitu pengasaran tingkat rendah dan tingkat tinggi. Klasifikasinya yaitu pengasaran tingkat rendah dilakukan dengan membuat tekstur pada permukaan beton lama dengan kedalaman ± 3 mm sedangkan pengasaran tingkat tinggi dilakukan dengan membuat tekstur pada permukaan beton lama dengan kedalaman ± 7 mm dan diberi kawat ayam. Benda uji yang digunakan berupa kubus berukuran 15x15x15 cm yang dibagi menjadi dua yaitu beton lama berukuran 10x15x15 cm dan beton baru berukuran 5x15x15 cm. Kedua metode pengasaran tersebut masing-masing akan dikombinasikan dengan variasi umur penyambungan beton lama dan baru yaitu umur penyambungan 7, 14, dan 28 hari. Secara teoritis, semakin tinggi tingkat pengasaran permukaan beton lama maka tegangan geser pada sambungan akan semakin kuat. Umur penyambungan yang paling lama menghasilkan kenaikan nilai tegangan geser yang paling besar antara metode kasar rendah terhadap kasar tinggi. Kata kunci: perbaikan, beton, pengasaran, umur penyambungan, kekuatan geser ABSTRACT   In the field of repair and retrofitting of concrete structures, often there is a need to place the new concrete together with the old concrete. Some examples of applications in the field is on the highway structure which need of repairing or widening, and also to repair concrete structures from damage due to loss of quality. This study uses a method of handling the interface by roughning the old concrete surface. In the method of splicing concrete by roughning the old concrete surface, the roughness is divided into two level of roughness, it is low and high roughness. The Classification of low roughness is done by making the texture on the old concrete surface to a depth ± 3 mm and the high roughness is done by making the texture of the old concrete surface to a depth ± 7 mm and were given by the chicken wire. Specimens that used are cubes which dimentions are 15x15x15 cm which is divided into two layers, the old concrete layer size is 10x15x15 cm and the new concrete size is 5x15x15 cm. Both of roughness methods, each of them will be combined with the age of splicing variations between old and new concrete, it is 7, 14, and 28 days. Theoretically, by making higher the level of roughness surface in the old concrete, the shear strength of the interface will be stronger. The longest age of splicing resulted the biggest increasing of shear stress between low roughness and high roughness.   Keywords: repair, concrete, roughness, age of splicing, shear strength
STUDI EKSPERIMENTAL PEMBERIAN TEGANGAN AWAL PADA DINDING BATAKO TANPA PLESTER DAN TANPA PEREKAT (BTPTP) DALAM MENERIMA BEBAN Firmansyah, Iman; Matheus, Patrick; Purwanto, Purwanto; Sabdono, Parang
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Before the development of the framework structure (using beams and columns), loadbearing wall structure with loads that will work on the building structure bestowed on the walls commonly used in the community. One form loadbearing wall structure is commonly used arrangement brick wall. Adobe is a brick made by printing and maintaining in a damp atmosphere, tras mix, lime and water with or without other additives. One brick technology that has been developed is the use of brick without plaster and adhesives. The composition brick wall has a good ability in resisting axial forces but weak in resisting lateral forces. One of the solutions used to improve the ability of the composition of the brick wall is the lateral force resist giving the initial prestressing force (prestressed) through fastening reinforcement (via tightening bolts). Prediction failure of brick wall composition into focus the problem in this research. Experimental testing in the laboratory, carried out to see the damage that occurs in the form of brick walls in receiving loads (axial and axial-lateral). Abaqus (Simulia 6.10.1) Explicit is used as validation in predicting the form of failure that occurs in the composition of the brick Wall which receives load.
PERENCANAAN STRUKTUR GEDUNG MENARA BRI SEMARANG Permatasari, Linda; W., Rahadhiyan Putra; Sabdono, Parang; Wibowo, Hardi
Jurnal Karya Teknik Sipil Volume 3, Nomor 1, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The structural of BRI tower building Semarang is designed in seismic zone of Semarang city, which is designed by using the Special Moment Resisting Frame System (SMRFS) based on ”Indonesian Concrete Code (SNI 03-2847-2002)”, while the analysis of earthquake load uses response spectrum method based on “Indonesian Seismic Code(SNI 03-1726-2012). The design structural of BRI tower building Semarang using“Capacity Design” concept. As for using this concept has purpose what if strong earthquake happens, that cause forms plastic hinge on structural elements which is desired appeared on the beams. To guarantee plastic hinge happens on the beams, so the columns must be designed stronger than the beams (Strong Column Weak Beam Concept). The analysis of the structure is using SAP2000 computer program  version 14. As the result of calculations showed that structural element of BRI tower building is safe based on analyze.
UJI BEBAN PADA STRUKTUR BANGUNAN CAGAR BUDAYA JEMBATAN LOJI KOTA PEKALONGAN Sabdono, Parang
Seminar Nasional Teknologi dan Multidisiplin Ilmu (SEMNASTEKMU) Vol 3 No 1 (2023): SEMNASTEKMU
Publisher : Universitas Sains dan Teknologi Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/semnastekmu.v3i1.207

Abstract

The Loji Bridge in Pekalongan City is a cultural heritage building that was built in 1880, during the Dutch East Indies colonial period. The Loji Bridge is more than 150 years old and is still standing and is only used for bicycle and motorbike traffic. When it was built, it was an important bridge because it was a bridge on the north coast road. Until now, this has been the way of the economy. The condition of the bridge is currently unknown as to its structural feasibility. The Pekalongan city government will revitalize the bridge left over from the Dutch era so that it can be used again. If it is not possible for traffic to be used, it will be used as a place for MSME activities. So in the city of Pekalongan there are interesting places to attract visitors as culinary tourism spots and others.To determine the suitability of the bridge structure with a span of 50 meters, testing needs to be carried out. The test carried out is a load test. Why is a loading test carried out because there is no bridge building data, superstructure data or substructure/foundation data. So with a loading test you can immediately determine the amount of load the bridge can safely withstand.The loading method uses water loads, namely by creating a loading pool. The load is adjusted to the planned traffic load / live load. The equipment installed and recorded during the test is to determine and monitor the bridge settlement, either in the pillars or beams. Monitoring is carried out to maintain deflection / settlement. So that the decrease / deflection that occurs during testing is still within safe limits.The equipment used to monitor and record deflection is a Linear Variable Displacement Transducer (LVDT) which is connected to a data logger and computer. The LVDT is placed on wooden stakes / poles stuck into the river bed, so that the readings decrease relative to the river bed.Loji Bridge with a span of 50 meters consists of 4 pillars and 2 abutments. Upper structure with asphalt pavement, wooden plank floor. The abutments use river stone pairs and the pillars use 7 solid pipes with a diameter of 12 cm. Later, it is planned to replace the wooden floor with a reinforced concrete slab floor on the bridge.
Co-Authors Ahmad Agung Prawira Ay Lie Han Desy Rianti Dian Adhitya Pratama, Dian Adhitya Edwin Sandagie Ferdinandus Hendrico Han Ay Lie Hardi Wibowo Himawan Indarto Iman Firmansyah Linda Permatasari Martin Hutagalung Moga Narayudha Muchtar Sufaat, Muchtar Patrick Matheus Priyo Nugroho Parmantoro Purwanto Purwanto Rahadhiyan Putra W. Yanuar Setiawan