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Rahma Dhana, Rio
Universitas Islam Lamongan
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Meningkatkan Mutu Beton dengan Penggunaan Fly Ash serta Variasi Merk Semen Fahrul Adi Pangestu; Rio Rahma Dhana
Jurnal Manajemen Teknologi & Teknik Sipil Vol 4, No 1 (2021): JUNE
Publisher : Faculty of Engineering, Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2239.975 KB) | DOI: 10.30737/jurmateks.v4i1.1755

Abstract

The continuous use of Cement on concrete will adversely affect environmental conditions. In addition, the cost of Cement that is not cheap makes concrete production less efficient. The use of alternative materials should be considered to get good quality concrete as efficiently as possible. This study aims to compare concrete quality with different variations of cement trademarks using fly ash added material. The method used is an experimental method with the manufacture of samples in the laboratory. Added fly ash variations of 0%, 5%, 7%, 9%  of cement weight. The samples used are cylindrical. With the number of samples on every variation as much as two samples. They were compressive strength conducted at the age of concrete 7 and 28 days. The study results obtained the highest compressive strength at the age of concrete 7 days obtained in concrete samples with the use of Gresik cement substituted fly ash as much as 5%, which amounted to 16.14 Mpa. While the highest compressive force at the age of concrete 28 days obtained in concrete samples with the use of milk substituted fly ash as much as 5%, namely 22.65 Mpa.
ALTERNATIF PENGGUNAAN SERATECENG GONDOK (EICHHORNIA CROSSIFES) SEBAGAI BAHAN TAMBAH PADACAMPURAN BETON DITINJAU TERHADAP KUAT TEKANNYA Budi Tri Cahyono; Rio Rahma Dhana
U Karst Vol. 3 No. 1 (2019): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v3i1.346

Abstract

In this increasingly advanced era, the more development is carried out, the increasing scale of development. It shows more and more concrete needs in the future. The purpose of this study is to find out and analyze the addition of water hyacinth fiber as a mixture on concrete. Data analysis methods begin with the investigation of cement material, fine aggregate, coarse aggregate, and water hyacinth material. Concrete is added with water hyacinth fiber with addition variations of 0%, 1%, 3% and 5%. Test object used in the form of a cylinder with size ø 15 cm x 30 cm. Concrete mix design uses ASTM method. In the process of making water hyacinth fiber begins with cutting the water hyacinth by 3-5 cm, then milling it into fiber. The next step is drying into the sun and then into the oven at 150ºC. From the results of the research conducted at the Civil Engineering Laboratory of Lamongan Islamic University, the results showed that there was a decrease in strength in the variation of the addition of water hyacinth 1% and 3% but experienced an increase in the 5% variation. It is known that the correlation of concrete compressive strength at 28 days is 0% at 86.27 Kg/cm2, 1% at 60.66 Kg/cm2, 3% at 55.27 Kg/cm2 and 5% at 57.97 Kg/cm2. Keywords: Water Hyacinth; Concrete; Compressive StrengthDi era yang semakin maju ini, semakin banyak pembangunan dilakukan, semakin besar skala pembangunan. Ini menunjukkan semakin banyak kebutuhan konkret di masa depan. Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisis penambahan serat eceng gondok sebagai campuran pada beton. Metode analisis data dimulai dengan investigasi bahan semen, agregat halus, agregat kasar, dan bahan eceng gondok. Beton ditambahkan dengan serat eceng gondok dengan variasi penambahan 0%, 1%, 3% dan 5%. Benda uji yang digunakan berupa silinder dengan ukuran ø 15 cm x 30 cm. Desain campuran beton menggunakan metode ASTM. Dalam proses pembuatan serat eceng gondok diawali dengan memotong eceng gondok sebanyak 3-5 cm, kemudian digiling menjadi serat. Langkah selanjutnya adalah menjemur ke matahari dan kemudian ke oven pada 150 ºC. Dari hasil penelitian yang dilakukan di Laboratorium Teknik Sipil Universitas Islam Lamongan, hasil penelitian menunjukkan bahwa terdapat penurunan kekuatan variasi penambahan eceng gondok 1% dan 3% tetapi mengalami peningkatan variasi 5% . Diketahui bahwa korelasi kuat tekan beton pada 28 hari adalah 0% pada 86,27 Kg / cm2, 1% pada 60,66 Kg / cm2, 3% pada 55,27 Kg / cm2 dan 5% pada 57,97 Kg / cm2. Kata kunci: Eceng Gondok; Beton; Kuat Tekan.
ALTERNATIF PENGGUNAAN KERIKIL GUNUNG PEGAT SEBAGAI BAHAN PERKERASAN JALAN RAYA Rio Rahma Dhana; Nugroho Aji Putra
U Karst Vol. 3 No. 2 (2019): NOVEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v3i2.604

Abstract

The road is one of the transportation infrastructures which is expected that the road condition has durability according to the ade of the plan. This study aims to determine in general the use of pegat mountain pebbles as highway pavement material (AC-WC). In this study using a mixture of asphalt laston type IX SNI 03-1737-1989 with variations of pegat mountain gravel mixture by 0%, 50%, 100%. From the research result obtained the highest marshall stability value of 1.214kg, highest plastic melt (flow) of 3,40mm, cavity in mixture (void in the mix) increased by 4,48%, cavity filled with asphalt (void filled with asphalt) highest increase of 0,83%, cavity in aggregate (void in mineral aggregate) increased by 22,23%, and marshall quotient (MQ) increased by 249% in the variation of pegat mountain gravel additives by 50%Keyword : Asphalt, Road, Laston Type IX, Pegat Mountain GravelJalan tersebut merupakan salah satu infrastruktur transportasi yang diharapkan kondisi jalannya memiliki daya tahan sesuai dengan rencana. Penelitian ini bertujuan untuk mengetahui secara umum penggunaan kerikil gunung pegat sebagai material perkerasan jalan raya (AC-WC). Dalam penelitian ini menggunakan campuran aspal laston tipe IX SNI 03-1737-1989 dengan variasi campuran kerikil gunung pegat sebesar 0%, 50%, 100%. Dari hasil penelitian diperoleh nilai stabilitas marshall tertinggi 1,214kg, lelehan plastik (aliran) 3,40mm, rongga dalam campuran (void dalam campuran) meningkat sebesar 4,48%, rongga diisi dengan aspal (batal diisi dengan aspal) ) peningkatan tertinggi 0,83%, rongga agregat (batal pada agregat mineral) meningkat sebesar 22,23%, dan marshall quotient (MQ) meningkat sebesar 249% dalam variasi aditif kerikil gunung pegat sebesar 50%. Kata Kunci: Aspal, Jalan, Laston Tipe IX, Kerikil Gunung Pegat
Meningkatkan Mutu Beton dengan Penggunaan Fly Ash serta Variasi Merk Semen Fahrul Adi Pangestu; Rio Rahma Dhana
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 4 No. 1 (2021): JUNE
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v4i1.1755

Abstract

The continuous use of Cement on concrete will adversely affect environmental conditions. In addition, the cost of Cement that is not cheap makes concrete production less efficient. The use of alternative materials should be considered to get good quality concrete as efficiently as possible. This study aims to compare concrete quality with different variations of cement trademarks using fly ash added material. The method used is an experimental method with the manufacture of samples in the laboratory. Added fly ash variations of 0%, 5%, 7%, 9%  of cement weight. The samples used are cylindrical. With the number of samples on every variation as much as two samples. They were compressive strength conducted at the age of concrete 7 and 28 days. The study results obtained the highest compressive strength at the age of concrete 7 days obtained in concrete samples with the use of Gresik cement substituted fly ash as much as 5%, which amounted to 16.14 Mpa. While the highest compressive force at the age of concrete 28 days obtained in concrete samples with the use of milk substituted fly ash as much as 5%, namely 22.65 Mpa.
Penggunaan Serbuk Kaca Sebagai Subtitusi Agregat Halus untuk Meningkatkan Kuat Tekan Beton Rio Rahma Dhana; Syamsul Arif
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 4 No. 1 (2021): JUNE
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v4i1.1833

Abstract

A large amount of waste is generated from various industrial activities. Limah glass is one of the wastes that allows it to be used as an alternative solution to environmental problems. This study aims to determine the effect of the use of glass waste on the compressive strength of concrete. The experimental method was applied by mixing glass waste which was made into powder with a percentage of 0%, 5%, 15%, and 25% as a fine aggregate substitute. The quality of the concrete is planned to be Fc'16.6 with 12 samples of cylindrical 15x30 cm. The compressive strength test was carried out at the age of 7 and 28 days of concrete. The results showed that there was a decrease in each variation of the mixture. In testing the compressive strength of concrete aged 7 days, the highest compressive strength was obtained in concrete with the addition of glass powder with a percentage of 5% with a compressive strength value of 23.97 Mpa. While at the age of 28 days, the highest compressive strength was obtained in concrete with the addition of glass powder with a percentage of 5% with a compressive strength value of 34.24 Mpa.
Analisis Daya Dukung Tanah Terhadap Kerusakan Jalan di Desa Bulutigo Kecamatan Laren Kabupaten Lamongan Miftahul Harits Abdullah; Rio Rahma Dhana
Jurnal Teknika Vol 13 No 2 (2021): Jurnal Teknika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v13i2.616

Abstract

Road damage in Bulutigo Village, Laren District, Lamongan Regency affects access to agricultural mobilization in Lamongan Regency. So the researchers studied the value of the carrying capacity of the soil that caused road damage on the Bulutigo Village road, Laren District, Lamongan Regency. This study also examines the factors that affect the decline in the value of the bearing capacity of the soil. Data processing shows that the road subgrade soil in Bulutigo Village, Laren District, Lamongan Regency has a low carrying capacity value in terms of water content testing with an average value of 16.66% which includes high water content, from the Atterberg limit, it is included in the class of clay soil type. has a high plastic value with a PI value of 34.61%. Meanwhile, in the CBR test, the CBR value was 6.80% which was included in the "enough" category. And in the direct shear strength test, the value of the internal shear angle () is 15.03o.
Pemanfaatan Akar Serat Bambu Terhadap Campuran Aspal AC-WC Rio Rahma Dhana
Jurnal Teknika Vol 14 No 1 (2022): Jurnal Teknika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v14i1.811

Abstract

The purpose of this study was to determine whether the roots of bamboo fiber can be mixed with asphalt which is adhesive (waterproof) and an alternative to overcome the problem of road damage. The process of mixing bamboo root fiber with AC-WC asphalt is carried out during the frying process with the aggregate, then after the frying process is carried out the pounding process is carried out (compact), then let stand and after cooling the mashall test process is carried out. Effect of the 3 variations used, namely 0%, 3%, and 5% addition of bamboo fiber roots used did not meet the standard specification of Bina Marga V 2002. 0% was the Marshall Stability value of 898,587kg, FLOW with a value of 2.0 mm, 3 % is with the value of Marshall Stability 592,320kg, FLOW with a value of 2.8 mm, 5% is with a value of Marshall Stability 527,110, FLOW with a value of 4.9 mm.
KARAKTERISTIK PENUMPANG PENGGUNA BUS AKDP DI TERMINAL LARANGAN, SIDOARJO Agustapraja, Hammam Rofiqi; Dhana, Rio Rahma
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5235

Abstract

Sidoarjo is a city that is also affected by the development of Surabaya, where many Sidoarjo residents have activities and work in Surabaya so that community mobilization from these two cities is very important and needed, one of them is by using public transportation modes of the AKDP Bus (Inter Cities In The Province Bus), Sidoarjo (Larangan Bus Station) - Surabaya (Semut). The purpose of this study is that in the development of public transportation, especially the Sidoarjo-Surabaya AKDP Bus route, at the Larangan Bus Station, it is adjusted to the characteristics of existing passengers, to create a public transportation mode that suits the needs of the community. The method used in this study is by distributing questionnaires to 100 correspondents with an error rate of 10%, from the primary data obtained characteristics of passengers of the Sidoarjo-Surabaya AKDP Bus as follows: The majority of male passengers (67%) with an age range between 41-50 years (33%) with a high school education background (SMA) (36%), and the majority have other jobs (51%) and private employees (29%). While the majority of passengers using AKDP Bus Transportation in the Prohibition Terminal are a majority with the aim of shopping (80%) and the frequency of using AKDP Bus Transportation <5 times a week (93%). The results of this analysis are expected to be a reference for the management in developing the Sidoarjo-Surabaya AKDP Bus service to be even better.
Analisis Biaya dan Waktu pada Proyek Jembatan (Studi Kasus Proyek Pembangunan Jembatan Candisari Sambeng Kabupaten Lamongan) dengan Menggunakan Metode Earned Value Jazuli, M.; Dhana, Rio Rahma
Jurnal Talenta Sipil Vol 7, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i1.376

Abstract

Project management has three main objectives when carrying out construction projects including cost, quality, and time. If a project can be completed with a predetermined level of quality or quality, then the project has been successfully managed. This research uses earned value method. That is a method of knowing costs based on the work that has been done. Thus we can find out whether the Candisari Sambeng bridge construction project in Lamongan Regency is faster or longer than the schedule that has been made. CV value has a negative value in the 15th period, namely -Rp 18,078,304 SV value there is a negative value until the 18th period with a value of -Rp 494,817,905 CPI value found in the 15th week period with a value of 0.995. The SPI value in the 18th period with a final SPI value of 0.903 estimated cost (EAC) is. IDR 5,166,992,802 estimated EAS time for the jembata replacement project of 21,320 weeks. If the performance is considered the same project, the cost required to complete the construction of the bridge is Rp 5,166,992,802 from the total project budget of Rp 5,346,534,000 so that it gets a profit of Rp 179,541,198, and the time needed to complete the construction work is 21,320 weeks from the specified time of 21 weeks so that the project implementation is delayed for 0,320 weeks.y.
Pengaruh Penambahan Limbah Bulu Ayam Terhadap Kuat Tekan Beton K-250 Rokhim, Muhammad; Dhana, Rio Rahma
Jurnal Talenta Sipil Vol 7, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i1.375

Abstract

Along with the times, various innovations have been made to improve the performance of concrete, Innovations carried out include aiming to produce and value structural materials that have good properties with economical and economical methods and costs, Efforts to improve the quality of concrete are also carried out by mixing other ingredients in the mixture. In this study, the author used chicken feather fiber as an added ingredient to the mixture concrete. This study aims to find out how the process of making concrete with added chicken feather waste with an additional composition of 0.1%, 0.5%, and 1.5%, and whether the added material of chicken feather waste with a composition of 0.1%, 0.5%, and 1.5%, can increase the compressive strength of concrete or vice versa. In this research method using the experimental method, the test objects made for each addition to the percentage of chicken feather waste are as many as 3 samples, with a cylindrical mold size of 15 cm in diameter with a height of 30 cm, by passing the treatment process for 28 days. The conclusion of this study is that concrete is added with chicken feather waste with variations of 0.1%, 0.5%, and 1.5% addition, the planned compressive strength is 20.8 Mpa. A decrease in compressive strength was produced in each use of added chicken feather waste with a composition of 0.1%, 0.5%, and 1.5%, the more added chicken feather waste, the compressive strength value of concrete decreased, the initial normal composition produced a compressive strength of 21.56 Mpa, while the composition of 0.1% decreased with a compressive strength result of 10.64 Mpa, then with a composition variation of 0.5% decreased again with a compressive strength value of 3.21 Mpa. And for a composition variation of 1.5% it decreases with a compressive strength value of 0.16 Mpa. With this research, it is known that chicken feather waste material cannot be an alternative to add concrete mixture in the future.
Co-Authors Ahmad Khoirur Riza Amri, Sholihul Armanda Lutfi Febrianto Budi Tri Cahyono Dwi Kartikasari Fahrul Adi Pangestu Febrianto, Andreyas Dian Hafiq Syaifudin Hammam Rofiqi Agustapraja Hepiyanto, Rasio Hidayat, Moch. Diyas Nur M. Ghofar Rohman M. Jazuli Miftahul Harits Abdullah Nugroho Aji Putra Pratama, Yudha Putra Pratiwi, Tika Tsaniya Rokhim, Muhammad Siti Fatimah Syamsul Arif