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All Journal Journal of Civil Engineering Forum Mekanika JURNAL KAJIAN TEKNIK SIPIL TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri JURNAL TEKNIK SIPIL UNAYA Akselerasi Jurnal Ilmiah Teknik Sipil Jurnal Sipil Krisna

Tommy Iduwin

Institut Teknologi PLN

Author-ID : 3529934

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Transportation

Published : 16 Documents Claim Missing Document

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Articles

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Perilaku Gedung Dengan Perbedaan Kekakuan Antar Lantai Tommy Iduwin; Dicki Dian Purnama
FORUM MEKANIKA Vol 8 No 1 (2019): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Abstract Earthquake is one of the most frequent disasters in Indonesia. This is due to the location of Indonesia which is located between 3 active plates, namely the Pacific Plate, the Indo-Australian Plate and the Eurasian Plate. While from 2018 to date the biggest and worst earthquake in the Lombok Earthquake that occurred with magnitude reached 7 on the Richter Scale and hammer earthquakes with magnitude 7.4 on the Richter Scale. One of the frequent failures caused by the earthquake is the soft store. Soft story mainly occurs in office buildings, hotels or apartments which generally have a lobby or area that is intentionally made without walls / dividers, either on the ground floor or the upper floors so that inter-floor fuss will be different. In designing and modeling structures, buildings are generally designed with open frame type port without walls. The height of the column can also cause a difference between different floors. This study will compare between the wallless portal model with a higher level at the bottom of the building, the middle of the building and the top of the building, where a high level with smaller stiffness has the potential to be soft (soft story). In this study using ETABS 9.7.2 program with spectrum response dynamic load based on the 2017 earthquake map. Results The structure period of the results of the analysis with the program in the crack cross section condition was obtained at 2.01 seconds. The shape mode for the three PPKBB, PKBT and PKBA building types has met the requirements where in shape 1 and 2 building models are translating towards the x or y axis while in shape 3 mode they are twisted. The required mass participation ratio value is reached at the 90% percentage reached at the 8th shape mode for the PKBB and PKBT buildings. While for PKBA it is reached in the 5th shape mode. Deviation values for the three types of building PKBB, PKBT and PKBA are still within the permit limit. Keywords: earthquake, soft storey, spectrum response

Pengaruh Bubuk Fosfor Strontium Dan Limbah Plastik Pada Kuat Tekan Beton Dicki Dian Purnama; Tommy Iduwin; Ranti Hidayawanti
FORUM MEKANIKA Vol 8 No 2 (2019): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Beton merupakan material konstruksi yang paling lazim digunakan saat ini. Penggunaan beton secara massal akan berdampak pada lingkungan dengan semakin banyaknya eksplorasi material-material penyusunnya. Maka dari itu diperlukan suatu upaya untuk mengurangi resiko kerusakan lingkungan, salah satunya dengan memanfaatkan sisa limbah plastik. Bubuk fosfor strontium digunakan dengan harapan tercipta beton yang dapat berpendar saat gelap. Namun bubuk fosfor strontium masih belum banyak digunakan untuk campuran beton. Tujuan penelitian ini yaitu mengetahui pengaruh penggunaan limbah plastik dan bubuk fosfor strontium dalam hal kuat tekan beton. Penelitian yang akan dilakukan terdiri dari beberapa tahapan, pertama tahap identifikasi masalah dan bahan material penyusun beton, sehingga dapat diketahui karakteristik dari material tersebut. Tahap kedua yaitu desain campuran (mix design) beton yang menggunakan pedoman SNI 03-2834-2000. Tahap ketiga pembuatan benda uji kuat tekan dan panel beton yang dilakukan di laboratorium. Tahap keempat yaitu pengujian benda uji kuat tekan beton serta analisa hasil pengujian. Hasil pengujian kuat tekan beton terbesar yakni pada kondisi beton normal dengan nilai kuat tekan 26,03 MPa pada usia 28 hari dan yang terendah pada variasi 5 sebesar 12,83 MPa pada usia 28 hari.

Pengaruh Penggunaan Material Daur Ulang Terhadap Sifat Mekanik Beton Non Pasir Tommy Iduwin; Dicki Dian Purnama; Pratiwi Septyaning Putri; Hastanto Siswo Martono
FORUM MEKANIKA Vol 9 No 1 (2020): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/forummekanika.v9i1.1080

Infrastructure development is increasing every year making the need for concrete materials increases. Using alternative materials can reduce the scarcity of material and environmental damage caused by taking and dredging the material. This research is to find out how much influence the recycled material has on the compressive strength of no fines concrete. The variations used are recycled materials of 0%, 25%, 50%, 75% and 100%. Mechanical testing conducted is a compressive strength test to determine the compressive strength of no fines concrete at the age of 7, 14 and 28 days. The ratio of cement and aggregate used is 1: 4 with FAS 0.5. This research uses 15 x 30 cm cylindrical molds with 45 test specimens. The test results show the highest compressive strength value of non-sand concrete occurs at 0% recycled material by 10.47 Mpa and the lowest compressive strength on non-sand concrete 100% recycled material is 8.39 Mpa. The percentage of absorption of no fines concrete shows that the more recycled material is used, the smaller the value of water absorption. The highest absorption value in no fines concrete is 0% recycled material, which is 5.93% and the smallest value is in the variation of no fines concrete 100% recycled material recycled material that is equal to 4.99%.

Uji Marshall Immersion Pada Campuran AC-WC Menggunakan Rechlamed Asphalt Pavement (RAP) Tommy Iduwin; Dicki Dian Purnama; Ranti Hidayawanti
FORUM MEKANIKA Vol 9 No 2 (2020): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/forummekanika.v9i2.1123

Using replacement materials in recent years is often used in research activities and also in construction activities. Reclaimed Asphalt Pavement (RAP) is an alternative material for use as a pavement material because it reduces the use of natural aggregates and new asphalt binders, which are needed to make asphalt mixtures. This research used a variation of RAP 0%, 25% and 35%. The test in reasearch is the Marshall test to determine the value of the optimum asphalt content and Marshall immersion. The mold of the test object used was a 3 x 4 inch cylinder with a total of 54 specimens. The results of the material characteristics test feel the 2018 highways specification standards. For the value of the Optimal Asphalt Content obtained for each variation is 5.4% for Rap 0%, 5.6 for Rap 25% and 6% for RAP 35%. In the marshall immersion test, the stability value of the remaining marshall after 24 hours of immersion was 91.4% for)% RAP, 90.7% for RAP 25% and 90.1% for RAP 35%. Keywords: AC-WC, RAP, Optimal Asphalt Content, Marshall Immersion

Pengaruh Air Mengunakan Reclaimed Asphalt Pavement Pada Campuran Beton Aspal Berdasarkan Uji Cantabro Dan Indirect Tensile Strength Tommy Iduwin; Devita Mayasari; Tri Yuhanah
FORUM MEKANIKA Vol 10 No 1 (2021): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/forummekanika.v10i1.1377

The impact of RAP on water was identified to be analyzed for the material's resistance to water because there are still a lot of waterlogged pavements in Indonesia. This research uses RAP variation 0%, 25% and 35%. The test is the Marshall test to get the optimum asphalt content value, the Cantabro test to determine the weight loss for 300 rounds and the durability by varying the immersion 0.1, 2, 4 and 7 days which will be tested for ITS. The KAO value obtained for each variation is 5.4% for 0% Rap, 5.6 for 25% Rap and 6% for 35% RAP. The results of the Cantabro test show that the largest percentage of weight loss is a mixture of 35% RAP which is 12.54%, where for 0% RAP there is a weight loss of 10.85% and at 25% RAP there is a weight loss of 11.66%. ITS test results have the highest value with variations of RAP 0%, RAP 25% and RAP 35%. variations of 0%, 25% and 35% showed a decreasing trend until the 7th day of immersion, it can be said that in the three variations the ITS value was influenced by the duration of continuous immersion. Keywords: RAP, AC-WC, Marshall, Cantabro, Indirect Tensile Strength

Penggunaan Limbah Karet Ban Terhadap Kuat Tekan Dan Penyerapan Paving Block Dicki Dian Purnama; Tommy Iduwin; Pratiwi Setyaning Putri
FORUM MEKANIKA Vol. 12 No. 1 (2023): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/forummekanika.v12i1.1732

Paving block adalah bahan bangunan yang terbuat dari campuran semen portland atau bahan perekat hidraulis lainnya, air dan agregat dengan atau tanpa bahan tambahan lainnya. Masalah lingkungan menjadi hal yang banyak diperhatikan belakangan ini. Pemanfaatan material limbah akan berdampak baik bagi lingkungan. Apalagi dalam penelitian ini penggunaan limbah digunakan untuk mereduksi sumber daya yang yang sulit diperoleh kembali jika telah habis yaitu pasir. Material limbah yang digunakan adalah ban karet. Pembuatan paving block yang digunakan pada penelitian ini dengan bahan subtitusi serbuk ban karet sebagai subtitusi agregat halus. Perbandingan bahannya adalah 1:4 dan 1:5 untuk semen dibandingkan dengan pasir. Variasi ban karet yang digunakan yaitu 0%, 5%, dan 10% untuk tiap perbandingan semen dan pasir. Pada umur beton 28 hari, hasil uji tekan terbesar diperoleh 19 MPa pada variasi 1. Sedangkan nilai terkecil sebesar 5,33 MPa diperoleh pada Variasi 6. Sementara prosentase penyerapan tertinggi diperoleh pada campuran perbandingan semen:pasir 1:4 sebesar 7,56%. Sedangkan prosentase nilai penyerapan terendah 3,26% diperoleh pada campuran perbandingan semen:pasir 1:5.

Co-Authors Arief Setiawan Budi Wicaksono Cahyo Agung Saputra Dedy Maryunus Gea Devita Mayasari Edi Yusuf Adiman Galih Rio Prayogi Hastanto Siswo Martono Hastanto SM Mayasari, Devita Michael Michael Miranda, Evan Febri Moh Zulfi Ramadhan Pratiwi Septyaning Putri Pratiwi Setyaning Putri Pratiwi Setyaning Putri Purnama, Dicki Dian Putri, Pratiwi Setyaning Ranti Hidayawanti Sallido, Gufron Tri Yuhanah Yuhanah, Tri

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