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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Rekayasa Sipil Proceedings ACES (Annual Civil Engineering Seminar) Jurnal Teknik Journal of the Civil Engineering Forum Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) SAINSTEK Jurnal Teknologi & Rekayasa Sipil
Ismeddyanto, Ismeddiyanto
Universitas Riau
Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Penambahan Serat Kawat Bendrat Berbentuk “U” Terhadap Sifat Mekanis Beton Irvan, Ridho Kurnia Putra; Ismeddiyanto, Ismeddiyanto; Djauhari, Zulfikar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Concrete is the main ingredient in the construction world, because the concrete is easy to work and economical in terms of cost, but the concrete is considered to have low tensile strength compared with the compressive strength, so the need for effort in improving the mechanical properties of the concrete mixing fiber in concrete mixture is wrong One attempt to improve the mechanical properties of concrete one of them by using fiber wire bedrators formed into "U" with a total length of 9 cm. The specimen consists of a cylindrical specimen with a diameter of 150 mm and a height of 300 mm and a beam with a length of 600 mm, a width of 150 mm, and a height of 150 mm. The fiber length used is 9 cm with 0.0%, 0.25%, 0.50%, 0.75% 1.0% of the fiber mass variation from the aggregate fraction. Non-fiber concrete is made for comparison. The method of mixing fiber into the concrete mixture is randomly after the concrete is evenly mixed. The results showed compressive strength, splitng tensile strength and maximum bending strength at 0.5% fiber variation. According to the results of the study, the addition of wire fiber to concrete mixture can improve the mechanical properties of concrete and in the optimal fiber variation can be at 0.5%.Keywords : fiber concrete, fiber wire bedrators, compressive strenght, splitting tensile strength, flexural strength
Analisis Numerik Kuat Lentur Dan Pola Retak Balok T Semi Pracetak Ariadi, Koko Putra; Ismeddiyanto, Ismeddiyanto; Suryanita, Reni
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Semi precast reinforced concrete (RC) used as an alternative in developing infrastructure is an excellent innovation, because of the advantages of this system can significantly reduced cost and construction time. Semi precast reinforced concrete (RC) beam is a combination of precast concrete which consists of the support beam and curve tile with the cast in place concrete. The elements are applied as a T-beam because of the interaction between the platesand the beams become unity. The study aims to identify the effect of the support beam and curve tile on the T-beam towards load-deflection relationship, curvature-moment and crack pattern caused by pure bending moments. The results showed that the load attained from finite element analysis was 56,664 kN while the load attained from strip method was 56,810 kN. Meanwhile, the stiffness value of finite element analysis was 1,206 kN/mm while the loadattained from strip method was 1,210 kN/mm. The collapsed pattern on the T-beam analyzed by using Extended Finite Element Method (XFEM) was a pure bending crack at the most significant bending moment region. The crack pattern showed the crack on the tension side of the beam in the direction of the stirrups.Key words : T-Beam, Semi Precast, FEA, Abaqus CAE, Bending Moment, Curve Tile
Kuat Tekan Beton Hvfa Di Air Gambut Sopian, Sopian; Ismeddiyanto, Ismeddiyanto; Olivia, Monita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

High Volume Fly Ash (HVFA) is a concrete with green building concept. The quantity of fly ash each year increases as coal production increases. HVFA Concrete offers a short-term solution of the growing need for portland cement. Concrete with the use of pozzolanic material has better strength in reducing the effect of organic acid from peat water than Ordinary Portland Cement (OPC). This research examines the compressive strength of OPC concrete and HVFA concrete exposed in peat water environment with a variation of fly ash as many as 50% of the weight of the cement volume. Concrete samples were made with a cylindrical mold with a height of 210 mm and a diameter of 105 mm. The number of samples made in this study was 18 pieces. The OPC and HVFA culinder concrete were cured for 28 days. Later, the specimens were put in a container and cure with peat water for 7 and 28 days. The results of fresh concrete test showed that the greater the amouny of fly ash used in concrete mix, the workability decreased. For the case of specimens immersed in peat water for 28 days, its concrete strength was 31,05% higher than that of immersed in fresh water. Based on the results of these tests it was concluded that HVFA concrete was able to reduce peat acid attack compared to OPC concrete.Keywords: HVFA, compressive strength, peat environment
Sifat Mekanik Bata Beton Dengan Penambahan Styrofoam Steffani, Anggia; Djauhari, Zulfikar; Ismeddyanto, Ismeddiyanto
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Technological advancements have directed infrastructure development in light and strong materials. Styrofoam can be used as a substitute for fine aggregates in concrete bricks, and can reduce the weight of concrete bricks with strengths that still meet the current standards The purpose of this study was to examine the effect of adding styrofoam to the mechanical properties of concrete bricks. In this study, the composition of the mixture used is 1 cement : 3 sand with variations of styrofoam as a substitute for sand at 0%, 5%, 10% and 15%. The size of the test object carried out in this study was 39x9x10 cm, the number of test items were 12 pieces and the treatment of the specimen was done by covering the test object with wet burlap for 28 days. The results showed that, the average compressive strength of the specimens contained 0% of styrofoam was 64.83 kg/cm2, 5% of styrofoam was 54.24 kg/cm2, 10% of styrofoam was 49.45 kg/cm2, and 15% of styrofoam was 45.75 kg/cm2. Furthermore, the compressive strength of specimens contained 0%, 5%, 10% and 15% of styrofoam was met the grade III of the concrete bricks criteria suggested by SNI 03-0349-1989. Keywords: Styrofoam, Concrete Brick, Compressive Strength.
ANALISIS TINGKAT KERUNTUHAN ELEMEN KOLOM BETON BERTULANG AKIBAT PEMBEBANAN STATIK MENGGUNAKAN SOFTWARE ELEMEN HINGGA Toni, Nopember; Suryanita, Reni; ', Ismeddiyanto
Proceedings ACES (Annual Civil Engineering Seminar) Vol 1 (2015): Annual Civil Engineering Seminar (ACES)
Publisher : Proceedings ACES (Annual Civil Engineering Seminar)

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Abstract

Column failure is one of failure conditions in building where column cannot receive any moreload from beam or another element. Therefore in designing column required more accuratecalculation which need more time with manual calculation. The solution in designing columnwith accurate calculation and faster is using finite element software. Finite element softwarecan calculate column strain with high precision result. In this paper, column failure determinedwith the result of column strain. Column used in this paper using variation in: column sectiondimension, concrete ultimate capacity, longitudinal reinforcement, and steel ultimate capacity.With all variation, total data used in this research is 10962 data. In this paper, column damagelevel noted as 0 if DL less than 1 and that mean column do not reach failure level, whilecolumn damage level noted as 1 if DL more equal than 1 and that mean column reach failurelevel. Result from finite element software analysis shows that column strain increase with theincrease of column parameter such as column section dimension. And column strain resultsfrom finite element software have similar result with analysis using flexure method. Thisresults shows finite element software can be used in column failure analysis.Kata kunci: Damage level, finite element, reinforced concrete column.
ANALISIS EKSPERIMEN LENTUR KOLOM BATATON PRACETAK AKIBAT BEBAN AKSIAL EKSENTRIS ', Ismeddiyanto
Proceedings ACES (Annual Civil Engineering Seminar) Vol 1 (2015): Annual Civil Engineering Seminar (ACES)
Publisher : Proceedings ACES (Annual Civil Engineering Seminar)

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Abstract

Tujuan penelitian ini adalah melakukan analisis secara eksperimental terhadap perilaku lenturkolom dengan bekisting bataton pracetak. Dalam penelitian ini diuji 4 buah kolom bataton dan1 buah kolom kontrol masing-masing berpenampang persegi, dengan ukuran tinggi 290 mm,lebar 290 mm dan panjang 1800 mm. Penulangan benda uji kolom tersebut adalah 8P12 untuktulangan longitudinal dengan sengkang P8-75. Mutu beton cast in place adalah fc’=23,55 MPa.Pengujian dilakukan dengan pemberian gaya tekan aksial eksentris yang besarnya 50 mm, 100mm, 150 mm dan 200 mm pada kolom bataton. Satu buah kolom kontrol diberikan diberikangaya eksentris sebesar 200mm. Pengujian dilakukan secara eksperimen dan dilakukan pulaperhitungan analitis sebagai pembanding. Hasil penelitian menunjukkan bahwa padaeksentrisitas beban yang sama, beban aksial maksimum kolom bataton 2,50 kali lebih kecildaripada kolom beton referensi. Sedangkan momen maksimum kolom bataton 2,44 kali lebihkecil daripada kolom beton referensi. Kekakuan rata-rata kolom bataton adalah 42,33. Padaeksentrisitas beban yang sama, kekakuan kolom bataton 12,68% lebih besar daripada kolombeton referensi. Daktilitas rata-rata kolom bataton adalah 1,47. Pada eksentrisitas beban yangsama, daktilitas kolom bataton 12,12% lebih besar daripada kolom beton referensi.Kata kunci: bataton, beban aksial eksentris, beton referensi, kolom.
Pengaruh Penggunaan Soil Stabilization Terhadap Sifat Fisik Beton Dengan Agregat Halus Berkadar Lumpur Tinggi Siregar, Syarif Hidayat; Ismeddiyanto, Ismeddiyanto; Djauhari, Zulfikar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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This study examines the physical properties of concrete with high mud fine aggregate by adding soil stabilization. Based on SNI 03-2461-2002, it is stated that fine aggregate should not contain mud more than 5% of the weight. Soil stabilization as addition material in the mortar mixtures could increase the quality of concrete. This research aims to identify the influence of soil stabilization material to the performance of concrete that was the addition mixed with the fine aggregate that contain high percentage. The percentage of mud used in this study were 0%, 5%, 10%, 15%, 20% and 23% of the fine aggregate weight. Percentage of soil stabilization was 1% from concrete’s mud weight. The designed strength of concrete was 20 MPa. All samples were cured by soaking them in normal water for 28 days. The concrete physical properties observed in this study consisted of workability, sorptivity, and porosity. The results of the tests showd that the compressive strength of concrete with 20% variation mud level and added soil stabilization was 30,41% higher compared to concrete without soil stabilization. Sorptivity results in 5% of mud variation with the addition of soil stabilization had the lowest absorption of 16,10% lower than absorption compared to 10% sludge variation. Porosity values in 5% mud variation with the addition of soil stabilization have the smallest porosity of 15.81% lower compared to other mud variations. Based on the results of these tests it could be concluded that the strength of high mud concrete by adding soil stabilization was better than without soil stabilization. Keywords : Physical properties, sorptivity, tensile strength, porosity, soil stabilization, mud
Sifat Fisik Bata Beton Dengan Penambahan Styrofoam Herol, Herol; Djauhari, Zulfikar; Ismeddyanto, Ismeddiyanto
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Indonesia is a country with a high seismic activity. Due to this reason, constructions in Indonesia must pay attention to every aspect, including the design, the construction process and materials. The use of concrete bricks on the wall has an impact on the loading of a structure. This research aimed to determine the effect of addition of styrofoam to the weight, density, water absorption and porosity of the concrete bricks. In this study, the composition of the mixture used was 1 cement : 3 sand with the variations of styrofoam as a substitute for sand at 0%, 5%, 10% and 15%. Test results showed that the average weight of concrete brick with 0% of styrofoam was 2.42 gr/cm3, 5% of styrofoam was 2,31 gr/cm3, 10% of Styrofoam was 2.29 gr/cm3, and 15% of styrofoam was 2.22 gr/cm3. The porosity of the concrete brick with 0% of styrofoam was 7.89%, 5% of styrofoam was 7.66%, 10% of styrofoam was 6.81%, and 15% of styrofoam was 4.62%. From water absorption test, the results showed that the average value of concrete brick with 0% of styrofoam was 3.70%, 5% of styrofoam was 3.63%, 10% of styrofoam was 3.34%, and 15% of styrofoam was 2.32%. The more styrofoam is added, the more the weight and density of the concrete was decreasing. The porosity and water absorption values of the concrete bricks was decreasing with the addition of styrofoam due to the waterproof property of styrofoam. The result of water absorption test showed that all concrete bricks tested were concrete bricks with quality I, that are concrete brick used for load bearing construction and are commonly used for unprotected construction (outside the roof) because of having a water absorption value smaller than 25%. Keywords: Concrete brick, styrofoam, weight, density, water absorption, porosity
Analisis Jembatan Busur Pejalan Kaki Berdasarkan Variasi Letak Lantai Kendaraan Ardiansyah, M. Syukri; Ismeddiyanto, Ismeddiyanto; Suryanita, Reni
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Sturdy bridge construction has always been synonymous with large and impractical structures. New innovations are needed to create a bridge system that is practical but also robust in terms of strength. For this reason, pedestrian arc bridges are analyzed with deck variations. The purpose of this study is to obtain the optimum bridge model, in which the ratio of weight of bridge structure deflection is small. Three types of bridges were considered in this study e.g deck arch, through arch and a half through arch by comparing the stresses that occur as well as the weight ratio and bridge deflection. The most optimum bridge is that produced the smallest efficiency ratio value. The results of the analysis obtained are A Half-Through Arch which has the best performance in distributing internal forces evenly. The Deck Arch weight is 1,125.52 tons, A Half-Through Arch weighs 1,007.14 tons and the Through Arch weighs 975.61 tons. The maximum deflection on the Deck Arch is 243.41 mm, A Half-Through Arch is 309.95 mm and the Through Arch is 260.19 mm. Then, the efficiency ratio of Deck Arch is 4.62, A Half-Through Arch is 3.25 and Through Arch is 3.75. So, it can be concluded the most optimum bridge is A Half-Through Arch with the smallest efficiency ratio value of 3.25. A Half-Through Arch are more efficient 13.34% than Through Arch and 29.73% more efficient than Deck Arch.Keywords : Analysis of Bridges, Arch Bridge, Steel Bridge, Bridge Loading, Deflection, SAP2000.
Pengaruh Penggunaan Soil Stabilization Terhadap Sifat Fisik Mortar Dengan Agregat Halus Berkadar Lumpur Tinggi Rahman, Arif; Ismeddiyanto, Ismeddiyanto; Suryanita, Reni
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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This study examined the physical properties of mortar mixed from fine aggregate containing high percentage of mud and soil stabilization. According SNI S-04-1998-f regulations fine aggregates for concrete should not be more 5% mud. Soil stabilization as additive material in the mortar mixtures will increase the quality of mortar.. The percentage of mud in the study was 0%, 5%, 10%, 15%, 20% and 23%. Soil stabilization of 1% as additional material of the mortar’s mud weight. The tested physical properties of the study object consist of its unit weight, sorptivity, porosity amd compressive strength. Study object was treated by submerging in normal water in 28 days. The compressive strength of mortar with high mud content and added soil stabilization is higher 2.82%, 4.74%, 8.16%, 13.94% and 16.03% compared to mortar with high mud content without soil stabilization at 5%, 10%, 15%, 20% and 23% mud content variation.The porosity of mortar with high mud content and added soil stabilization is higher22,21% compared to mortar with high mud content without soil stabilization. Sorptivy test results added soil stabilization value 0,1 mm/min0,5- 0,2 mm/min0,5 which means mortar is good. The unit weight mortar with high mud level and added soil stabilization is higher by average unit weight 2,31 gr/cm3 compared to mortar with high mud content without soil stabilization. Based on the overall study, it’s concluded that the overall strength of mortar with high mud content and added soil stabilization is higher than mortar with high mud content without added soil stabilization.Keywords : Mud, Soil Stabilization, Mortar.
Co-Authors Alex Kurniawandy Ardiansyah, M. Syukri Ari Vera Indra Ariadi, Koko Putra Arif Rahman Bagus Rizkya putra Bambang Sujatmoko Bobby Ansyari Buchori Buchori Edy Saputra Edy Saputra Elianora - Elsyani Eka Putri Enno Yuniarko Enno Yuniarto Fadillah, M Lucky Fitri Lestari Gunawan Wibisono Hasmiyati Hasmiyati Herol, Herol Ibnu Munawar Mizam Ika Qoriah Nursuci Iqbal Maulia Irvan, Ridho Kurnia Putra Iskandar Romey Sitompul Kamaldi, Alfian Khairul Amri Leo Sentosa Lili Purwati M Edwar Hidayat Maharani Rahma Annisya Mardani Sebayang Monita Olivia Muhammad Gilang Indra Mustainul Murtadho Nopember Toni Nopember Toni, Nopember Novan, Andre Prayogo Pratama Rendy Wijaya Reni Suryanita Revina Oktaviani Reza Ermawan Rian Fajri Ramadanas Rianti Ratna Dewi Ricky Andriano Ridwan Ridwan Rinaldi Rinaldi Satibi, Syawal Siregar, Syarif Hidayat Sitanggang, Ronal Rius Sopian sopian Sri Fatma Reza Steffani, Anggia Vindi Trisatria Wahyu Muhammad Firdaus Yoga Ornando Yogie Pranata Yohanna Lilis H Yudi Sandro Bara Tondang Zulfikar Djauhari Zulfikar Djauhari