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Ismeddyanto, Ismeddiyanto
Universitas Riau
Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics

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Pengaruh Penggunaan Natrium Tripolyphospate (Na5p3o10) Terhadap Sifat Fisik Beton Cor Bawah Air Berlumpur Fitri Lestari; Ismeddiyanto Ismeddiyanto; Andre Novan
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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Abstract

Concrete that used for underwater construction should be proportioned so that the concrete is capable to consolidate by its self weight and develop the strength. The aim of this research is to purpose the use of natrium tripolyphosphate as an additive to concrete mix that will be used for underwater construction. The amount of natrium tripolyphosphate added to the concrete mix was derived from three trial mix, namely trial mix I, II and III. Based on trial mix I natrium tripolyphosphate can used for underwater construction and the best percentage of filler is 15% by weight of fine aggregate, while based on trial mix II all of concrete had segregation and the concrete with 10% of natrium tripolyphosphate had the least segregation and based on trial mix III natrium tripolyphosphate can diluted the concrete mix and helps harden the mixture. The result showed that the slump flow value for concrete with 10% of natrium tripolyphosphate was 673,3 mm, this value fit the slump value suggested by ASTM-C-161, that slump for SCC should be within the range of 550 mm and 850 mm. The mud rates obtained from the test result using centrifuge and measurement were 28,62% and 26,87%. The values for porosity and permeability in normal water at 28 days are 21,97% and 1,04x10-9 m/s, and while the values for porosity and permeability in muddy water at 28 days are 23,27% and 1,61x10-9 m/s.Keywords: Underwater concrete, natrium tripolyphospate, muddy water, physical properties
Kuat Tekan Dan Kuat Tarik Belah Beton OPC Dan OPC POFA Dengan Air Gambut Sebagai Air Pencampur Dan Air Perendaman Bobby Ansyari; Ismeddiyanto Ismeddiyanto; Monita Olivia
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

This research aim to obtain the mechanical properties of OPC and OPC POFA concrete by using peat water as mixing and curing water to simulate peat field condition. The specimens were cured for 28 days directly in peat water canal. Mechanical properties tests such as compressive and tensile strength were tested for 7 and 28 days. Results of this research at 28th days show that peat field condition was increase compressive and tensile strength of OPC concrete compared with OPC normal concrete, and results also show that using POFA as subtitution of 10% cement weight was decrease compressive and tensile strength of OPC POFA concrete compared with OPC POFA concrete in normal condition. However, the compressive and tenslie strength of OPC POFA concrete in peat field and normal condition were higher than OPC normal concrete.Keywords : Mechanical properties, OPC, POFA (palm oil fuel ash), peat water, peat field condition.
Sifat Fisik Paving Block Komposit sebagai Lapis Perkerasan Bebas Genangan Air (Permeable Pavement) Elsyani Eka Putri; Ismeddiyanto; Reni Suryanita
JURNAL TEKNIK Vol. 13 No. 1 (2019): Edisi April 2019
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v13i1.2557

Abstract

ABSTRAK Peningkatan pembangunan menyebabkan semakin berkurangnya daerah resapan air. Hal ini dapat mengganggu sistem hidrologi dan menyebabkan banjir ketika musim hujan. Alternatif untuk mengatasi masalah tersebut digunakan suatu inovasi paving block komposit yang merupakan perpaduan antara paving block dan beton porous. Penelitian ini bertujuan untuk mempelajari pengaruh penambahan beton porous terhadap sifat fisik paving block komposit yaitu densitas, absorbsi dan laju infiltrasi. Paving block komposit dirancang memiliki kemampuan meloloskan air dan mutu yang baik. Paving block komposit diisi dengan beton porous dengan variasi diameter 1 ½”, 2”, 2 ½” dan 3”. Paving block komposit yang digunakan berbentuk segi enam, dengan ukuran sisi 100 mm dan tebal 80 mm. Nilai FAS dari campuran paving block dan beton porous adalah 0,4 dan 0,3 sedangkan perbandingan semen dan agregat adalah 1 : 3. Hasil penelitian menunjukkan semakin bertambahnya persentase beton porous pada paving block semakin rendah nilai densitas dan absorbsi. Disisi lain, paving block komposit yang memiliki kuat tekan tertinggi memiliki laju infiltrasi terendah. Nilai optimum laju infiltrasi paving block komposit sebesar 2,78 mm/s dengan kuat tekan 20,8 MPa. Berdasarkan hasil pengujian dapat disimpulkan bahwa inovasi paving block komposit dapat dijadikan sebagai lapis perkerasan yang memiliki kemampuan meloloskan air (permeable pavement). Kata Kunci: absorbsi, densitas, laju infiltrasi, paving block komposit ABSTRACT The development in construction has led to the reduction of water catchment area. This situation could disrupt the hydrological system and caused floods during rainy season. An alternative to overcome this this issue is the use of paving block composite; which isthe combination of concrete paving block and porous concrete. This research aims to study effect of the addition of porous concrete to the physical properties of paving block composite, e.g : the density, the absorption and the infiltration rate. The specimen was designed to have the ability to escape the water and and maintain its quality in good condition. The specimen was filled with the porous concrete with the variation of diameter of 1½”, 2”, 2½”, and 3”. The specimen was a six-sides polygon, with the length of each size of 100 mm and the thick of 80 mm. The water ratio of concrete paving block and the porous concrete were 0.4 and 0.3, respectively while the composition of cement and aggregate for each was 1 : 3. The results showed that the higher the porous concrete used in paving block the lower the value of its density and its absorption. On the other hand, higher compressive strength resulted in lower infiltration rate of the composite paving block. The optimum infiltration rate of 2,78 mm/s was achieved on the specimen with the compressive strengthof 20,8 MPa. Based on the results of testing, it can be concluded that the innovation of composite paving blocks has good quality and has the ability to escape water, making it possible to reduce waterlogging. Keywords: absorption, density, infiltration rate, composite paving blocks
Sifat Mekanik Paving Block Komposit Sebagai Lapis Perkerasan Bebas Genangan Air (Permeable Pavement) Iqbal Maulia; Ismeddiyanto; Reni Suryanita
JURNAL TEKNIK Vol. 13 No. 1 (2019): Edisi April 2019
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v13i1.2558

Abstract

Penggunaan beton sebagai lapis perkerasan jalan dan pemukiman akan mempengaruhi proses infiltrasi sehingga mengakibatkan terjadi genangan atau banjir ketika musim hujan. Adapun alternatif untuk mengatasi masalah tersebut yaitu digunakan inovasi perkerasan paving block komposit. Paving block komposit merupakan penggabungan paving block dan beton porous. Penelitian ini bertujuan meningkatkan kuat tekan beton porous namun tidak mengurangi kemampuannya untuk meloloskan air dan mengkaji sifat mekanik yaitu kuat tekan. Pada penelitian ini beton porous diisi pada bagian tengah paving block dengan variasi diameter beton porous yang dibuat adalah 1 ½”, 2”, 2 ½”, dan 3”. Pengujian kuat tekan dilakukan pada umur 28 hari. Pada pengujian kuat tekan, nilai tertinggi didapat dari masing-masing variasi berturut-turut adalah 39,260 MPa, 3,864 MPa, 21,747 MPa, dan 15,204 MPa. Klasifikasi paving block berdasarkan mutu kuat tekan didapat bahwa variasi 1 ½” dan 2” termasuk kedalam mutu B, variasi 2 ½” termasuk kedalam mutu C dan variasi 3” termasuk kedalam mutu D. Sehingga dapat disimpulkan nilai optimum kuat tekan inovasi paving block komposit yaitu sebesar 20,80 MPa dengan laju infiltrasi 2,78 mm/s. Nilai optimum tersebut termasuk kedalam mutu B yaitu pada variasi diameter 2” dan 2½”. Paving block komposit diameter 2” dan 2½” ini dapat digunakan sebagai lahan parkir atau trotoar pejalan kaki dan mampu mengatasi banjir ataupun genangan air.
Pengaruh Natrium Tripolyphosphate (NA5P3O10) terhadap Sifat Mekanik Beton Cor di dalam Air (Under-Water Concrete) Lili Purwati; Ismeddiyanto; Enno Yuniarto
JURNAL TEKNIK Vol. 13 No. 2 (2019): Edisi Oktober 2019
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v13i2.3604

Abstract

Kuat tekan dan kuat tarik belah merupakan parameter kekuatan beton yang penting. Penelitian ini dilakukan untuk mengkaji pengaruh penggunaan Natrium Tripolyphosphate (Na5P3O10) terhadap sifat mekanik beton cor di dalam air Under-Water Concrete (UWC). Digunakan variasi Na5P3O10 sebesar 5%, 10% dan 15% terhadap berat semen, serta penambahan filler berupa abu batu dengan presentase 10% terhadap berat agregat halus. Nilai kuat tarik belah dan kuat tekan beton diperoleh berdasarkan pengujian laboratorium dengan beton silinder diameter 10cm dan tinggi 20cm. Hasil penelitian menunjukkan kuat tekan dan kuat tarik belah beton paling rendah terjadi pada beton variasi Na5P3O10 5% yaitu 5.96MPa. Kuat tekan dan kuat tarik belah beton tertinggi yakni pada variasi Na5P3O10 10% sebesar 12.13MPa, namun terjadi penurunan pada beton variasi Na5P3O10 15% yakni 9.27Mpa. Hasil penelitian tersebut menunjukkan bahwa presentase Na5P3O10 5% menurunkan kuat tekan dan kuat tarik belah beton karena besarnya segregasi pada beton, sedangkan presentase Na5P3O10 15% justru mengurangi nilai workability beton segar sehingga tidak dapat memadat sendiri dengan baik. Penggunaan Na5P3O10 pada penelitian ini menunjukkan bahwa selanjutnya Na5P3O10 dapat digunakan sebagai Anti Washout Admixture pada Under-Water Concrete (UWC), namun memerlukan mix desain khusus Self Compacting
Kajian Sifat Mekanik Beton Cor Di Dalam Air Gambut (Underwater Concrete) Yudi Sandro Bara Tondang; Ismeddiyanto Ismeddiyanto; Edy Saputra
Sainstek (e-Journal) Vol. 9 No. 2 (2021)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Pengecoran di dalam air membutuhkan biaya yang lebih mahal dalam pengerjaannya, karena dibutuhkan proses dewatering ataupun semen khusus. Penelitian ini menggunakan Natrium Tripoliphosphate (Na5P3O10) sebagai alternatif pemecahan masalah. Natrium Tripoliphosphate berfungsi sebagai lapisan kedap air dalam campuran beton sehingga campuran beton tidak tercampur dengan air. Dalam penelitian ini, ada dua jenis benda uji yang digunakan, yaitu benda uji Underwater Concrete dan benda uji non Underwater Concrete. Nilai kuat tekan dan kuat tarik belah beton diperoleh berdasarkan pengujian laboratorium dengan beton silinder diameter 10 cm x 20 cm dengan perawatan di dalam air gambut. Hasil pengujian kuat tekan Underwater Concrete selama 14 hari yaitu 12.94 MPa, 28 hari 13.31 MPa, dan 56 hari 14.53 Mpa, sedangkan benda uji non underwater concrete selama 14 hari 12.94 MPa, 28 hari 13.39 dan 28 hari 15.27 MPa. Hasil pengujian kuat tarik Underwater Concrete 28 hari diperoleh sebesar 1.91 MPa, dan 56 hari 1.99 MPa serta pengujian Non Underwater Concrete 28 hari diperoleh sebesar 1.79 MPa dan 56 hari 2.06 MPa. Berdasarkan dua hasil pengujian, tidak ada perbedaan signifikan dalam nilai yang diperoleh. Hal tersebut menunjukkan penambahan Natrium Tripoliphosphate dapat berkerja dengan baik di dalam air gambut.
Analisis Numerik Kuat Lentur Balok Support Beam Curve Tile Beton Semi Pracetak Dengan Variasi Panjang Bentangan Yoga Ornando; Ismeddiyanto Ismeddiyanto; Iskandar Romey Sitompul
Sainstek (e-Journal) Vol. 8 No. 2 (2020)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Semi precast slab is a combination of precast concrete which consist of the support beam and curve tile with the cast in place concrete. During the working process, support beam will support the entire load until the slab becomes solid. The study aims to identify the effect of using variations of support beam length towards deflection-load relationship, moment-curvature, crack pattern and cross-sectional dimensions caused by pure bending moments with the same maximum load. The variations of the support beam length are L = 3000 mm, L = 4000 mm, L = 5000 mm and L = 6000 mm which can affect the cross-sectional dimensions of the support beam. The method used in this study was the numerical method by using Abaqus 6.14 CAE software. Abaqus is one of the finite element analysis (FEA) programs to model and analysis the elements of the structure. The loading applied was an axial load which has increased until the support beam failed. The numerical analysis results are the increase of cross section dimension as the increasing of support beam length. The cross-sectional dimension are 100 mm x 60 mm; 110 mm x 65 mm; 110 mm x 70 mm; and 115 mm x 75 mm. The maximum load (Pmaks) was relative same while the support beam length increased are 1,52 kN; 1,53 kN; 1,53 kN and 1,55 kN. The collapse pattern on the support beam was a pure bending crack at the most significant bending moment region. The crack pattern showed the crack on the pull side of the beam in the direction of the stirrups.
Evaluating Properties of Blended and High Volume Fly Ash Bottom Ash (FABA) Concrete in Peat Water Monita Olivia Olivia; Alfian Kamaldi; Ismeddiyanto; Gunawan Wibisono; Edy Saputra
Journal of the Civil Engineering Forum Vol. 9 No. 1 (January 2023)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.3397

Abstract

FABA is a by-product of coal combustion in power plants comprising fly ash (FA) and bottom ash (BA) in ratios of 80/20. Fly ash has great potential as a mineral ingredient in concrete, while bottom ash compromises its strength and durability. However, both materials are used to improve the strength and durability of structures in sulfate, chloride, and acidic environments. This research evaluated the properties of blended and high-volume FABA concrete, such as the strength, porosity, weight loss, and sorptivity in organic acidic peat water. OPC (Ordinary Portland Cement) was compared to the blended concrete containing 25% FABA and its high-volume containing 50% and 75% FABA with target strengths of 15, 21, and 29 MPa. The compressive strength of blended and high volume FABA increased during the immersion period, while the porosity and sorptivity rates decreased. Furthermore, the strength of the OPC concrete declined at 28 days, with a gradual marginal weight loss of 5% observed in all mixes. This research suggested that blended and high-volume FABA has potential as a construction material in an acidic peatland environment.
Pengaruh Binder Akrilik terhadap Sifat Fisik dan Mekanik Mortar Polimer Sitanggang, Ronal Rius; Ismeddiyanto; Edy Saputra
Jurnal Teknologi dan Rekayasa Sipil Vol. 2 No. 1 (2023): VOL 2 NO 1 (JULI 2023)
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jtrs.v2.i1.hal1-9

Abstract

Initial damage to the structure occurs in the outer layers of the affected surface exposure to the peat environment and the static and dynamic movement of the structure. To prevent structural damage, the latest technological innovations are needed in the use of mortar constituent materials to increase the strength of the mortar. Polymer mortar is a composite material formed from a mixture of fine aggregates, cement, water and polymer binders or binders with a certain level. The purpose of this study is to determine the effect of the use of acrylic binders on the physical and mechanical properties of polymer mortars and the influence of peat water on the future of the mortar. The substitution of acrylic binders with water consists of 3 substitutions, namely 20%, 30% and 40% and 0% as controls. The results of the search for acrylic binders on the mortar mixture obtained a minimum physical property value at 30% acrylic use in the 28-day test, namely. The porosity value of the mortar is 9.80%, the waterabsorption value of the mortar is 4.67% and 4.72%, and the sorptivity value of the mortar is 0.70. From the value of physical properties obtained the degree of tightness of the polymer mortar well with the use of acrylic binders in the mixture. For the mechanical properties of polymer mortar, compressive strength testing is carried out with optimum compressive strength at the use of 30% acrylic. The value of the compressive strength of the mortar is 33 Mpa.
IDENTIFIKASI MASALAH GENANGAN BANJIR DI DESA AUR SATI KABUPATEN KAMPAR, RIAU Bambang Sujatmoko; Yohanna Lilis Handayani; Rinaldi Rinaldi; Buchori Buchori; Elianora Elianora; Ismeddiyanto Ismeddiyanto
BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Vol. 3 No. 1 (2023): BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Juni 2023
Publisher : LPPM UNIKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/bhakti_nagori.v3i1.2616

Abstract

Permasalahan drainase di Desa Aur Sati Kecamatan Tambang Kabupaten Kampar adalah timbulnya genangan air di beberapa titik lokasi dan juga munculnya bau yg tak sedap akibat pembuangan limbah rumah tangga yang semrawut. Untuk memecahkan masalah drainase yang ada di desa Aur sati, maka langkah awal yang dilakukan adalah melakukan identifikasi masalah genangan banjir. Identifikasi dilakukan melalui wawancara, pengamatan lapangan, dan pengolahan data citra Lansat dengan geographic information sistem (GIS). Hasil penelitian menunjukkan bahwa genangan banjir terjadi di 3 titik yaitu di Dusun 1, Dusun 2 dan Dusun 4. Penyebab genangan tersebut adalah drainase yang belum terpadu, kondisi saluran drainase juga tidak layak, elevasi yang rendah dibanding sekelilingnya dan pembuangan sampah di saluran drainase sehingga mengakibatkan sumbatan di saluran. Untuk memecahkan masalah genangan banjir yang ada, hasil identifikasi yang telah dilakukan perlu ditindaklanjuti dengan evaluasi dimensi saluran tiap segmen genangan di masing-masing Dusun terdampak. Kata kunci:identifikasi masalah genangan, drainase, desa Aur Sati, sebaran genangan
Co-Authors Alex Kurniawandy Ardiansyah, M. Syukri Ari Vera Indra Ariadi, Koko Putra Arif Rahman Bagus Rizkya putra Bambang Sujatmoko Bobby Ansyari Buchori Buchori Buchori Buchori, Buchori Edy Saputra Elianora - Elsyani Eka Putri Enno Yuniarko Enno Yuniarto Fachry Abda El Rahman Fadillah, M Lucky Fitri Lestari Gunawan Wibisono Haekal, Muhammad Hasmiyati Hasmiyati Herol, Herol 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 Mizam, Ibnu Munawar Monita Olivia Muhammad Gilang Indra Mustainul Murtadho Nopember Toni Nopember Toni, Nopember Novan, Andre Nurwijayanti Pranata, Yogie Prayogo Pratama Rendy Wijaya Reni Suryanita Revina Oktaviani Reza Ermawan Rian Fajri Ramadanas Rianti Ratna Dewi Ricky Andriano Ridwan Ridwan Rinaldi Rinaldi 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 Zikri, Raudatul Zulfikar Djauhari Zulfikar Djauhari