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All Journal Jurnal Rekayasa Jurnal Rekayasa Sipil dan Desain Langit Biru: Jurnal Ilmiah Aviasi
Eddy Purwanto
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Engineering Environmental Science Transportation Other

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Tinjauan Momen Lentur Pelat Dua Arah dengan Metode Perencanaan Langsung dan Metode Elemen Hingga Muhammad Fahri; Suyadi Suyadi; Eddy Purwanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
Publisher : Jurnal Rekayasa Sipil dan Desain

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This research conducted to study and determine the bending moment plate by using the DirectDesign Method and Finite Element Method. In the procedure of calculation of concrete structuresfor buildings, namely SNI 2847 2013 has been set up several plates planning methods one ofwhich is a method of using the Direct Design Method analysis. Finite element method (FEM) isdividing a complex problem into small elements where a simpler solution can be easily obtained.The theory used in plate analysis with the FEM is Kirchhoff-Love theory in which the limits areused specifically for the analysis of thin plates with small deflections by ignoring the transverseshear forces. The program is used by applying the Finite Element Method in this study is aMicrosoft Excel as a tool for calculations and modeling program SAP 2000 as a plate structure.From the calculations that the value of deflection and the bending moment on the plate twodirections with varying results.From the results obtained show that the static moments of totalfactored Direct Planning Method and the Finite Element Method showed results equal to eachother . Distribution moments on the foundation and interior plate field differently due to directPlanning Method using a great moment coefficients in pedestal while the Finite Element Methodusing transition stiffness matrixKeywords:Direct Design Method, Finite Element Method, Two way slab, SAP 2000
Pengaruh Penambahan Serat Kawat Bendrat pada Beton Mutu Tinggi terhadap Kapasitas Kuat Tekan dan Kuat Lentur Krisna Bagus; Eddy Purwanto; Bayzoni Bayzoni
Jurnal Rekayasa Sipil dan Desain Vol 6, No 2 (2018): Edisi Juni 2018
Publisher : Jurnal Rekayasa Sipil dan Desain

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Concrete is one of the construction materials that has the advantage of being able to withstand a high compressive strength but has a low tensile strength.To overcome the weaknesses that exist in the concrete, one of the efforts applied is to add fiber in the form of bendrat wire in the concrete in order to increase the tensile strength and flexural strength of concrete. The specimens of this research are concrete cylinder with diameter 15 cm and height 30 cm and concrete beam object with dimension of length, width and height 60 cm, 15 cm, and 15 cm respectively. Tests were performed at 28-days of concrete. While the addition of bendrat wire fiber is done based on the percentage of volume fraction (Vf) addition to the volume of concrete by 0%; 0,299%; 0,695%; and 0,990%. Each variation was made 9 test specimens consisting of 6 cylinders and 3 beams.The average compressive strength in high quality concrete without bendrat wire has the highest value of 50,0118 MPa. For the average compressive strength value at Vf 0.299%, 0.695%, and 0.990% were 42,2741 MPa, 41,8967 MPa and 39.6320 MParespectively. While for splitting strength and flexural strength in high quality concrete with volume fraction (Vf) 0,990% has the highest value with the splitting strength of an average of 4,6945 MPa and the average flexural strength of 7,9133 MPa Keyword : High quality concrete, bendrat wire fiber
Pengaruh Penambahan Fiber Baja Seling Dengan Volume Fraction 0,4% Terhadap Kuat Tekan dan Kuat Tarik Lentur dengan Tinggi Beton Serat 0; 0,25; 0,50; 0,75 dan 1 Pada Beton Mutu Normal bagus bimantara; Eddy Purwanto; Laksmi Irianti
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
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AbstractConcrete is one of the important parts in the development of infrastructure building. Many advantages obtained from the use of concrete, nevertheless there is a shortage which is weak against tensile and ductile. The weakness of concrete can be improved by adding fiber into the concrete mix evenly with random orientation. This study was conducted to determine the effect of addition of wire rope fiber on compressive strength and flexural tensile strength with the height of fiber-reinforced concrete 0; 0.25; 0.50; 0.75 and 1 on normal strength concrete. This study used an experimental method which is conducted at the Laboratory of Materials and Construction Faculty of Engineering, University of Lampung. The sample for compressive strength test is a cylinder with a diameter of 15 cm and 30 cm in height, while the sample for flexural tensile strength test is a block with a length of 40 cm, 10 cm in width and 10 cm in height. The testing for the compressive strength and flexural tensilestrength of normal concrete with high-quality fiber-reinforced concrete 0; 0.25; 0.50; 0.75 and 1 performed after 14 and 28 days. Maximum compressive strength and flexural strength occurs at a height of 0,75 fiber-reinforced concrete. The maximum compressive strength is 27.3649 MPa, increasedby 3.5714%. The maximum flexural strength is 5.4880 MPa, increasedby 18.9475%. The addition of wire rope fiber does not make a major contribution to the increase of compressive strength, but the flexural tensile strength. The wire rope fiber in this study has high tensile strength, i.e. 1733.46 MPa so it can provide a significant increase in the flexural strength. Keywords : compressive strength, flexural strength, fiber concrete, wire rope fiber  AbstrakBeton merupakan salah satu bagian penting dalam perkembangan infrastruktur bangunan. Banyak kelebihan yang didapatkan dari penggunaan beton, meskipun demikian terdapat kekurangan yaitu lemah terhadap tarik dan bersifat getas. Kelemahan beton dapat diperbaiki dengan menambah serat kedalam adukan beton secara merata dengan orientasi acak. Penelitian ini dilakukan untuk mengetahui pengaruh penambahan serat baja seling terhadap kuat tekan dan kuat tarik lentur dengan tinggi beton serat 0; 0,25; 0,50; 0,75 dan 1 pada beton mutu normal. Studi ini menggunakan metode eksperimen yang dilakukan di Laboratorium Bahan dan Konstruksi Fakultas Teknik Universitas Lampung. Benda uji kuat tekan berupa silinder dengan diameter 15 cm dan tinggi 30 cm, benda uji kuat lentur berupa balok dengan panjang 40 cm, lebar 10 cm dan tinggi 10 cm. Pengujian kuat tekan dan kuat lentur beton mutu normal dengan tinggi beton serat 0; 0,25; 0,50; 0,75 dan 1 dilakukan setelah 14 dan 28 hari. Kuat tekan dan kuat lentur maksimal terjadi pada ketinggian beton serat 0,75. Kuat tekan maksimal sebesar 27,3649 MPa, meningkat sebesar 3,5714%. Kuat lentur maksimal sebesar 5,4880 MPa, meningkat sebesar 18,9475%. Penambahan serat baja seling tidak memberikan kontribusi yang besar dalam peningkatan kuat tekan, akan tetapi pada kuat tarik lentur. Serat baja seling pada penelitian ini mempunyai kuat tarik yang tinggi, yaitu 1733,46 MPa sehingga dapat memberikan peningkatan kuat lentur yang signifikan. Kata kunci : kuat tekan, kuat lentur, beton serat, serat baja seling.
Design of Flat Plate with Equivalent Frame Design Method and Finite Element Method Fajar Putra Sanjaya; Bayzoni Bayzoni; Eddy Purwanto
Jurnal Rekayasa Sipil dan Desain Vol 6, No 4 (2018): Edisi Desember 2018
Publisher : Jurnal Rekayasa Sipil dan Desain

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The flate plate is a thick, evenly solid concrete plate that transfers the load directly to the support column without the aid of a beam or shear head or drop panel. This type of plate can be made quickly because of the formwork and simple reinforcement arrangement.  The flate plate is planned to be uniform with dimensions of 5000x4000 mm as many as 9 panels, plate thickness of 150 mm with 25 MPa concrete quality, quality of reinforcement 280 MPa and based on the provisions of SNI 1727; 2013 and SNI 2847; 2013. Flat plate analysis uses the equivalent frame design method, finite element method and SAP 2000 and Microsoft Excel programs. Based of the results of the analysis, the comparison value of moments between the portal method equivalent to SAP 2000 is equal to, whereas between finite element methods and SAP2000 is equal to. In the reinforcement plan, the number and diameter of the reinforcement were obtained in terms of the greatest moment value resulting from the analysis of the equivalent frame design method Keywords: Flat plate, Equivalent Frame Design Method, Finite Element Method
PERBANDINGAN PENGARUH PENAMBAHAN SERAT BENDRAT LURUS (STRAIGHT) DENGAN SERAT BENDRAT BERKAIT (HOOKED) TERHADAP PERILAKU BETON DENGAN BEBAN TEKAN BERULANG Poppy Nitiranda Faizah; Eddy Purwanto; Laksmi Irianti
Jurnal Rekayasa Sipil dan Desain Vol 5, No 2 (2017): Edisi Juni 2017
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In this research, the concrete mixture is added by the material of straight and hooked wire bendrat fibers. This addition aimed to study and compare the effect of adding bendrat fiber straight and hooked to the compressive strength, tensile strength and flexural strength in normal quality concrete with 0.75% fiber concentration and aspect ratio 60 with repeated press load. The test specimen compressive and  tensile strength in the form of cylinders with a diameter of 15 cm and height 30 cm and the flexural strength test specimen in the form of beam with a length of 60 cm, width 15 cm and height 15 cm. Testing is done after 28 days. Concrete with additional hooked bendrat fiber is more able to withstand fatigue due to repeated load that generates more experienced loading intervals until concrete destroyed, the compressive strength at the 13th interval, 14th tensile and 6th flexural. The compressive strength, tensile and flexural maximum split value occurred in the concrete with the addition of hooked bendrat fiber. However, the value did not increase significantly between the variations of straight bendrat fiber with hooked bendrat fiber. The maximum compressive strength in the hooked bendrat fiber of 34.5189 MPa, tensile strength of 3.2067 MPa and flexural strength of 8.9380 MPa.______ Key words:   bendrat fiber, repeated press load, compressive strength, tensile strength, flexural strength.
Analisis Konstruksi Jembatan Busur Rangka Baja Tipe A-half Through Arch Yumna Cici Olyvia; Bayzoni Bayzoni; Eddy Purwanto
Jurnal Rekayasa Sipil dan Desain Vol 3, No 1 (2015): Edisi Maret 2015
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Indonesia is an archipelago and has an important role connecting bridges between islands . Theneed for long -span bridges and lightweight materials and consist artistic value , then the arc steeltruss bridge is an alternative of the problem. In this research will focus on the type a half througharc.The bridge is design to 120 m,span and 12 m,height with a transverse dimension of thevehicle floor complete with sidewalk is 11 m to 2 lanes 2 -way with pavement width of 1 m .Loading calculations used in the planning of the bridge is based on the regulation BMS 1992 andRSNI T - 02-2005 and calculation of the power structure refers to RSNI T - 03-2005 and SNI 03-1729-2002.The results of the study are obtained composite vehicle floor plates , with a reinforced concreteslab thickness of 250 mm . Transverse girder and longitudinal girder using iwf.900.300.28.16iwf.400.200.13.8 with BJ 55. The connection between the ransverse girder and longitudinal girderusing bolts with A325 quality with a diameter of 25 mm with 10 mm thick plate BJ 34. The mainstructure of the arc in the form iwf.400.400 .21.13 . The main structure connection using bolts withA325 quality with a diameter of 35 mm with 2 5 mm thick plate BJ 5 0 .Keywords : bridge , A - Half Through Arch , steel
Analisis Pengaruh Dimensi Balok Anak Terhadap Momen Lentur pada Pelat dengan Metode Amplop Dan Metode Elemen Hingga Audy Nadyaputri Majid; Bayzoni Muzakir; Eddy Purwanto
Jurnal Rekayasa Sipil dan Desain Vol 7, No 1 (2019): Edisi Maret 2019
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AbstrakPelat adalah struktur planar kaku dengan elemen tipis yang secara khas terbuat dari material monolit yang tingginya lebih kecil dibandingkan dengan dimensi lain dan menahan beban transversal melalui aksi lentur masing-masing tumpuan. Analisis ini bertujuan untuk mengetahui pengaruh dimensi balok anak terhadap momen lentur pelat dua arah dengan menggunakan Metode Amplop dan Metode Elemen Hingga. Data struktur pelat dan balok didapatkan dari Pembangunan Gedung Radioterapi Rumah Sakit Umum Abdoel Muluk Bandar Lampung. Perhitungan Metode Amplop menggunakan tabel koefisien momen dan pada Metode Elemen Hingga pelat dibagi menjadi elemen – elemen yang lebih kecil agar hasil yang didapat menjadi lebih sederhana dan mudah diperoleh. Program yang dipakai dalam analisis ini adalah Microsoft Excel dan program SAP2000 sebagai pemodelan struktur pembanding. Hasil analisis menunjukan bahwa nilai momen pada Metode Amplop yang tidak memasukkan dimensi balok anak lebih kecil dibandingkan dengan nilai momen menggunakan Metode Elemen hingga sehingga penggunaan Metode Elemen Hingga lebih aman digunakan dalam perhitungan struktur. Kata kunci : Metode Amplop, Metode Elemen Hingga, Pelat Dua Arah.
Co-Authors Anggarani Budi Wibowo Audy Nadyaputri Majid bagus bimantara Bambang Wijaya Putra Bayzoni Bayzoni Bayzoni Muzakir Endro Prasetyo Wahono Fajar Putra Sanjaya Farida Rahma Hadi Putri fazadina alia Ferry Taurus Fikri Alami Hasti Riakara Krisna Bagus Laksmi Irianti Lidya Susanti Muhammad Fahri Nurul Gupita Wardhani Poppy Nitiranda Faizah Surya Sebayang Suyadi Suyadi Tiffany Marvin Tika Ayu Triana Lestari Yumna Cici Olyvia