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All Journal Jurnal Rekayasa Jurnal Rekayasa Sipil dan Desain Indonesian Journal of Informatic Research and Software Engineering Journal of Sustainable Construction
Surya Sebayang
Universitas Lampung
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Transportation Other

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Evaluasi Perencanaan Jembatan Beton Bertulang Balok T dengan Variasi Mutu Antara K-200 – K-300 Sumantri, Devie Arisandy; Bayzoni, Bayzoni; Sebayang, Surya
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 1 (2017): Edisi Maret 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i1.610

Abstract

Design of reinforced concrete T beams bridge with variation concrete strength is conducted to determine design of a bridge which can be built in remote area with a minimum concrete quality but still in accordance with the applicable safety standards. The bridge has a span of 15 m, a width of traffic lanes 2 x 5.5 m with variations concrete strength of K-200, K-225, K-250, K-275 and K-300. The calculations that have been done show that in cross section 2-2 , cross section 3-3 and cross section 4-4, the lower concrete strength will obtains more flexural girder reinforcement needs. However at cross section 1-1 the amount of reinforcement on every concrete strength has the same amount of reinforcement because the reinforcement ratio is the ratio of minimum reinforcement. Shear reinforcement of girder using the same diameter will produce the reinforcement needs with larger spacing while concrete strength increased. Maximum girder deflection that occurs will be smaller if the concrete strength increases. However, if the amount of reinforcement in the quality of K-200 more larger then the value deflection will be smaller compared with the quality of K-300. The lower quality of flexural strength concrete slab with the D16 will get smaller reinforcement spacing.Key word : bridge, T beams, quality variation, Upper structure
Pengaruh Bottom Ash sebagai Bahan Pengganti Sejumlah Pasir Terhadap Kuat Tekan, Kuat Lentur dan Modulus Elastistas Beton Mutu Tinggi Triwidinata, Sholahuddin; Sebayang, Surya; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.625

Abstract

AbstractOver time the production of high strength concrete it will increse more and more and otherwise it will decrease the natural resources. One of them is sand as concrete material. Based on the problem, it will be required another material, that can replace a number of the sand. Bottom ash is one of material from waste coal plant, generally have particle size or fine granule like as sand. This research is used to determine the variation of sand and bottom ash for high strength concrete. The testing are compressive strength with cylinder concrete 10x20 cm, flexural strength with beam concrete 10x10x40 cm, and modulus of elasticity concrete with cylinder concrete 15x30 cm. The compositions of the bottom ash for substitution the sand are 0%, 20%, 40%, 60%, 80% and 100%. The results of the compressive strength and flexural strength optimum testing are showed on variation 80% of bottom ash. Compressive strength values are 39,68 MPa (7 days age) and 45,41 MPa (28 days age). Flexural strength values are 4,62 MPa (7 days age) and 5,53 MPa (28 days age). Modulus of elasticity concrete optimum are showed on variation 20% and 80% of bottom ash with 60625,67 MPa and 59441,67 MPa (28 days age).  Keywords : high strength concrete, bottom ash, compressive strength, flexural strength, modulus of elasticity concrete.   AbstrakSeiring berjalannya waktu produksi beton mutu tinggi semakin lama akan semakin meningkat dan sebaliknya akan mengakibatkan berkurangnya sumber daya alam. Salah satunya ialah pasir sebagai bahan baku beton. Berdasarkan permasalahan tersebut, maka diperlukan suatu material lain yang dapat menggantikan sebagian sumber daya alam tersebut. Bottom ash merupakan salah satu material dari limbah hasil proses pembakaran batubara pada sektor pembangkit listrik, umumnya memiliki ukuran partikel atau butiran yang halus seperti pasir. Penelitian ini dilakukan untuk menentukan penggunaan variasi pasir dan bottom ash yang baik bagi beton mutu tinggi. Pengujian berupa uji kuat tekan dengan silinder beton 10x20 cm, uji kuat lentur dengan balok 10x10x40 cm dan modulus elastisitas beton dengan silinder beton 15x30 cm. Komposisi penggantian pasir dengan bottom ash sebanyak 0%, 20%, 40%, 60%, 80% dan 100%. Hasil pengujian kuat tekan dan kuat lentur optimum diperoleh pada variasi 80%bottom ash. Nilai kuat tekan sebesar 39,68 MPa (umur 7 hari) dan 45,41 MPa (umur 28 hari). Nilai kuat lentur sebesar 4,62 MPa (umur 7 hari) dan 5,53 MPa (umur 28 hari). Nilai modulus elastisitas beton optimum diperoleh pada variasi 20% dan 80% bottom ashyaitu sebesar 60625,67 MPa dan 59441,67 MPa (umur 28 hari). Kata kunci : beton mutu tinggi, bottom ash, kuat tekan, kuat tarik lentur, modulus elastisitas beton  
Pengaruh Abu Terbang Sebagai Bahan Pengganti Semen Pada Bata Beton Beragregat Bottom Ash Hasyim, Robby Chandra; Sebayang, Surya; Kusnadi, Andi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 4 (2017): Edisi Desember 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i4.769

Abstract

Setiap tahunnya pertambahan penduduk di Indonesia semakin meningkat.  Hal ini berbanding lurus dengan meningkatnya kebutuhan akan pemukiman. Untuk mengatasi masalah tersebut dapat memanfaatkan bahan-bahan alternative sebagai bahan ikat dan material pengganti. Salah satu bahan alternatif yang mudah ditemukan di Indonesia adalah limbah batu bara yaitu abu terbang (fly ash) dan abu dasar (bottom ash). Selain dapat mengurangi pencemaran lingkungan karena termasuk limbah b3, limbah ini juga memiliki sifat pozzolan atau sifat mengikat seperti semen. Sehingga sangat efektif untuk digunakan dari berbagai segi. Penelitian yang dapat dilakukan dalam pemanfaatan limbah ini salah satunya dengan pembuatan bata beton berlubang dengan fly ash sebagai bahan pengganti sebagian semen dan bottom ash sebagai bahan pengganti sebagian pasir.Dari hasil penelitian didapat nilai kuat tekan paling tinggi adalah bata beton dengan komposisi fly ash sebesar 20% dari berat semen dengan nilai kuat tekan 33,3 kg/cm2 pada umur 28 hari dan 41,34 kg/cm2 pada umur 56 hari. Untuk nilai serapan air semua variasi fly ash masuk dalam klasifikasi mutu I (≤ 25%) dengan nilai serapan air optimum pada variasi fly ash 40% dengan nilai sebesar 11,3% pada umur 28 hari dan 9,65% pada umur 56 hari.Kata Kunci : Bata Beton, Fly Ash, Bottom Ash..
Desain Sambungan Menggunakan Link Slab Untuk Jembatan Gelagar Beton Pratekan Lestari, Tika Ayu Triana; Sebayang, Surya; Purwanto, Eddy
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 2 (2018): Edisi Juni 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i2.837

Abstract

In Indonesia, bridges normally use a simply-supported system or a multisimple-span system withexpansion joint. Several problem occurred due to the use of expansion joints in bridge, iecorrosion problem on girders and supports due to rainwater intrusion, users discomfort, high costmaintenance, as well as reduction in bridge lifetime as well. In the design, the existing expansionjoints in the bridges were replaced by using continuous slab construction with link slab system.Design of link slab use classic method by Caner and Zia 1998. The design was conducted on theprestress bridges with length of span 2 x 50 m. The loadings adopted for the design referred to the1725 2016 SNI standard and dimension of girder from WIKA Beton standard. From design werefound that length of link slab zone of 7,55 m and length of debonding zone of 5,05 m. The rotationgained by 0,0058 caused by the truck load. The link slab used reinforcment stool bar D16-125 mmfor the main reinforcement and D12-300 mm for shrinkage-temperature reinforcement. It isexpected that link slab analysis can then use more variable beam types and span lengths.Keyword: Prestress bridge, Link Slab, Expansion Joint
Analisis Pengaruh Beban Gempa pada Gedung Tiga Lantai Menggunakan Metode Statik Ekuivalen Safira, Nadya; Sebayang, Surya; Helmi, Masdar
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 3 (2018): Edisi September 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i3.857

Abstract

The purpose of this study is to evaluate the effect of earthquake load on the structure of a third floor school building in West Lampung. The effects of earthquake is reviewed on the dimensions, reinforcement, and deflection of structures by comparing building without earthquake load. The earthquake load calculation using Static Equivalent Method is helped by SAP 2000 program. This program can also produce internal force of the moment, latitude, and normal (M, D, N). The calculation of the slab is calculated by direct design method (DDM). The results of this analysis showed that the calculation of all reinforcement requirements on slab, beams, columns, bore pile foundations, sloof and pile caps in the building with earthquake load 283,3267% is more than compared to the building without earthquake load seen from the number of as on each structure. Dimension design on the structure without earthquake load result that dimension of beams are 250 x 450 mm, coloumns are 350 x 350 mm, diameter of bore piles are 70 cm, sloofs are 250 x 450 mm and pile caps are 1600 mm while the dimensions of the structure with the earthquake load resulted in larger dimensions with dimension of columns are 600 x 600 mm, diameter of bore pile foundations are 80 cm, and pile caps are 1800 mm. Keywords: earthquake load, static ekuivalen, direct design method, and SAP2000.
Review Jembatan Sutami di Bandar Lampung Nosya, Akhmad Dendi; Alami, Fikri; Sebayang, Surya
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 2 (2018): Edisi Juni 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i2.868

Abstract

Many structural systems are available to build a bridge. One of them is prestressed concrete bridge. The purpose of this research is to review the design of prestressed concrete bridge using SAP 2000 ver. 14 software.This research use elastic method on prestressed concrete, and ultimate method on the design of the other structures on the bridge. Whereas finite element analysis (FEA) with SAP 2000 ver.14 is used on traffic load analysis . From the analysis results, the longitudinal girder requires bending reinforcement of 12 D13, skin reinforcement of 6 ∅13, and 18 strand with dia. of 0.5" in each tendon. There is a difference with existing design which use bending reinforcement under the minimum requirement, whereas the strand used, meets the recent code.Slab requires bending reinforcement of ∅16-200, shrinking reinforcement and temperature of ∅13-250, however the existing design used denser reinforcement, this difference is due to changes in the bending reduction factor which follows the recent code of 2013 .Diaphragms requires bending reinforcement of 2 D28, skin reinforcement of 5 ∅13, and shear reinforcement of ∅13-500. this difference is due to changes in the reduction as well. Whereas in the shear reinforcement used by the existing design has met the recent code.Barrier wall requires bending reinforcement of ∅19-150 for the thickening area below the wall, ∅13-150 for the above area, and shear reinforcement of 10 ∅13, thus the reinforcement used by the existing design has met the recent code. The conclusion that can be taken is that the reinforcement used for the main structure component is correct, but some bending reinforcement are used under the need of ρmin and concrete standard of 2013. Keyword : bridge, prestressed concrete, SAP 2000 ver. 14
design and analysis of cable stayed bridge with 800 m span Manan, Mohammad Salman; Bayzoni, Bayzoni; Sebayang, Surya
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 4 (2018): Edisi Desember 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i4.986

Abstract

Bridges are constructions that connect people and land transportation that is blocked by obstacles. One of which is the type of cable stayed bridge.. This bridge structure consists of a combination of various structural components such as pylon, cable and deck. The deck is hung with a prestressed cable that is anchored to the pole. Gravitational and lateral forces acting on the bridge deck will be transferred to the ground via cables and pylon. The cable will receive tensile force and the pylon accepts the compressive force. This bridge planned 800 m long, 14 m wide traffic, 1.5 m sidewalk width, elongated girder type is tub girder, 300 mm plate thickness, cable arrangement is 2 fields and fan, and the cable used is VSL 7-wire strand. Girder quality of 290 MPa, concrete quality of 35 MPa, and welding quality of 490 MPa. Bridge model calculations are supported by SAP 2000 and Microsoft Excel programs. From the calculation results obtained the reinforcement design for the sidewalk using the main reinforcement D16-150 mm and reinforcement for D13-200 mm, reinforcement for vehicle floors both in the field and pedestal with the main reinforcement D22-100 mm and reinforcement for D16-100 mm. The dimensions of the girder used were flanges of 1 m x 0.05 m, web 1.3 m x 0.01 m and lower fluxes 4.2 m x 0.04 m. To get a more stable structure design, 3-dimensional analysis is needed. Keywords: Cable Stayed Bridge, Tub Girder, Girder
Perencanaan Struktur Gedung 5 Lantai Menggunakan Balok dan Pelat Prategang Sesuai SNI 2847 2013 Pratama, Deska Adi; Sebayang, Surya; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 4 (2018): Edisi Desember 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i4.992

Abstract

In multistorey building construction there are many types structural system that are being used such as reinforced concrete system, prestressed concrete system and composite system with its advantages in disadvantages. The purpose of this research was for designing 5 storey building using prestressed concrete for beams and slabs with SNI 2847-2013.  From analysis results, the dimension of hollow core slab is 1200 x 7500 x 250 mm with Ø12,7-300 strands. The reinforcement of non prestressed HCS are Ø16-250 for main reinforcement and Ø13-300 for cross reinforcement. The 15 m span prestressed beam has dimension 800 x 500 mm with 24-Ø12,7 strands. Shear and torsion design with Ø16-140 as stirrups and 8D19 as longitudinal reinforcement. The 7,5 m span prestressed beam has dimension 600 x 425 mm with 4-Ø12,7 strands. Shear and torsion design with Ø16-100 as stirrups and 10D19 as longitudinal reinforcement. The dimension of column is 600 x 600 mm with 26-D22 as main reinforcement and Ø16-175 for shear reinforcement on maximum load. In prestressed system design that applied for beam and slab based on SNI 2847-2013 on 5 storeys building has much smaller rebar percentage than normal reinforced system.
Co-Authors Aditya, I Gede Putu Indra Amilia, Rahma Andi Kusnadi Arif, Joksan Bayzoni Bayzoni, Bayzoni DWSBU, Chatarina Niken Eddy Purwanto Fikri Alami Hanafi, Goentur Permata Hasti Riakara Husni Hasyim, Robby Chandra I Wayan Diana Ika Kustiani Isneini, Mohd Karima, Fadila Amelia Kristianto Usman Laksmi Irianti Lestari, Tika Ayu Triana Manan, Mohammad Salman Mardhatillah, Siti Zalfa Masdar Helmi Mohd. Isneini Nosya, Akhmad Dendi Prameswari Tw, Aqilla Regita Pratama, Deska Adi Putra, Rivaldo Hartono Putri, Nur Mila Putri, Yoleta Tri Ratna Widyawati Rivan Adlia Wibowo, Rivan Adlia Safira, Nadya Sahast, Corry Jayaputri Sarifuddin, Lukman Setiadi, Moch Sofyan Suma, Damas Novalda Sumantri, Devie Arisandy Suyadi Suyadi Triwidinata, Sholahuddin Utami, Tri Ratna Vera Agustriana Noorhidana Zainal Arifin