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All Journal CHEMICA Jurnal Teknik Kimia Prosiding Semnastek Science and Technology Indonesia Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Jurnal Teknik Sipil Institut Teknologi Padang
Mira Setiawati
Universitas Muhammadiyah Palembang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Energy Engineering Environmental Science Materials Science & Nanotechnology Physics Transportation

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ANALISA DIMENSI SALURAN DRAINASE UNTUK MENGATASI BANJIR DI JALAN BAY SALIM SEKIP JAYA KECAMATAN KEMUNING PALEMBANG Bahri, Zainul; Setiawati, Mira; Alatif, M Rifki
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 3 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2840202063

Abstract

Floods that occurred in Jalan Bay Salim, Sekip Jaya Village, Kemuning District, Palembang were caused by high rainfall with a long duration, inadequate drainage canals filled with rubbish, sediment deposits that were thick enough and cross section of drainage channels that could no longer hold water in large quantities so that there is an overflow of water from the drainage channel.The dimensions of the drainage channel in Jalan Bay Salim Sekip Jaya, Kemuning District in Palembang, there can be two rectangular channels, as follows: First channel: H = 1 m, b = 2 m, y = 0.61 m, p = 200 m, by being able to accommodate discharge: 1,376 m3 / sec, with maximum discharge: 0,365 m3 / sec, second channel: H = 0.6, b = 0.5m, y = 0.3m, p = 200m, by being able to accommodate discharge: 0,7584 m3 / sec, with maximum discharge: 0,779 m3 / sec. So from the observation only the first channel can accommodate maximum flowrate.Based on the results of the analysis that the second channel is no longer able to accommodate the maximum discharge, therefore in order to accommodate the maximum discharge it is necessary to analyze the dimensions of the channel that can accommodate the maximum discharge by normalizing by changing the dimensions of the channel as follows: second channel: H = 0.6, b = 1 m, y = 0.5 m, p = 200 m, so it can hold the discharge: 2,075m3 / sec, with a maximum discharge of 0,779 m3 / sec.
TINGKAT LAYANAN TRANSPORTASI LRT (AREA AMPERA DAN BANDARA SMB II) PERPINDAHAN MODA ANGKUTAN Royan, Noto; Setiawati, Mira; Febriyanto, Miko
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 7, No 1 (2021): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.3654202171

Abstract

Public transportation is a very important field of activity in the life of the Indonesian people, especially in Palembang City, the capital city of South Sumatra. The existence of good transportation services will be able to reduce people's dependence on the use of private vehicles and reduce congestion in the city of Palembang. One aspect of transportation that concerns the needs of many people is public transportation, such as LRT (Light Rail Transit), Trans Musi Bus, Water Bus and City transport. Currently, service levels or occupancy levels are not yet a priority.The type of research used by the author in this study is descriptive qualitative. Data collection techniques are interviews, observation, and documents related to research.Based on the data analysis carried out, it is concluded that the largest number of vehicle transfers between modes of transportation is from others (private cars, private motorbikes, pedicabs, walking and motorbikes) - as many as 52 passengers. Furthermore, from the City transport - LRT as many as 39 passengers. Furthermore, from City transport - Trans Musi as many as 37 passengers. Furthermore, from LRT - Trans Musi as many as 33 passengers.Keywords: Service level, occupancy, transportation, mode shift of public transportation
Technology for Treating Oily Wastewater Derived from Various Industries: A Review Paper Sri Martini; Mira Setiawati
CHEMICA: Jurnal Teknik Kimia Vol 7, No 2 (2020): Desember 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v7i2.18541

Abstract

The increasing number of industrial sectors has resulted in more and more contaminated water and wastewater containing various harmful pollutants including oil compounds. Less treated or untreated oily wastewater could give a serious threat to both human health and environmental sustainability. Therefore, the appropriate treatment methods such as membrane filtration, coagulation/flocculation, biological treatment, adsorption, and relevant integrated methods have to be implemented well to enhance the quality of those wastewaters before they flow into the final disposal place. This effort will endorse the success of waste management and circular economy system by recycling unwanted industrial by-products including wastewater, so it can be reused for further productive purposes.
PENGARUH AIR SODA TERHADAP KUAT TEKAN BETON Revisdah Revisdah; Mira Setiawati
Prosiding Semnastek PROSIDING SEMNASTEK 2015
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Beton  merupakan material bangunan yang paling banyak digunakan dalam kegiatan konstruksi,  baik pada konstruksi bangunan gedung, jalan maupun konstruksi bangunan air. Salah satu keunggulan beton yaitu ketahanan beton terhadap tekanan dan bertahan lama ( durability ). Dewasa ini banyak penelitian tentang beton guna menambah kekuatan beton, baik menggunakan bahan tambah maupun bahan pengganti. Namun dari sekian banyak penelitian pada beton guna meningkatkan kuat tekan beton tetap saja beton memiliki kelemahan, terutama terhadap reaksi kimia yang dapat menyebabkan korosi pada tulangan beton. Salah satu penyebab korosi pada tulangan beton ialah akibat adanya reaksi karbonasi dari gas CO2 yang membentuk asam dan tercampur ke dalam beton yang menyebabkan pH sebagai pelindung permukaan tulangan beton turun. Sementara dampak yang ditimbulkan akibat karbonasi pada beton sendiri menurut teori  tidak selalu merugikan terhadap kuat tekan beton. Dalam penelitian ini, peneliti mencoba mengamati dampak dari adanya gas CO2 yang terdapat pada air soda ( soda water ) yang digunakan untuk menggantikan air campuran beton terhadap kuat tekan beton itu sendiri. Pengujian kuat tekan beton dilakukan pada umur 28 hari. Hasil penelitian menunjukkan bahwa, terjadi peningkatan kuat tekan beton. Peningkatan terjadi hingga penggunaan air soda 8%.  Kuat tekan yang didapat dengan penggunaan air soda 8% yaitu sebesar 421,993kg/cm2, mengalami peningkatan sebesar 2,134% dibandingkan dengan kuat tekan beton normal. Ini dikarenakan CO2 bereaksi secara optimal dengan kapur bebas pada beton, hasil reaksi berupa kalsium karbonat yang bersifat keras dan mengurangi permeabilitas permukaan beton.
FLY ASH SEBAGAI BAHAN PENGGANTI SEMEN PADA BETON Mira Setiawati
Prosiding Semnastek PROSIDING SEMNASTEK 2018
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Pemanfaatan fly ash sebagai material pembentuk beton memberikan dampak positif jika ditinjau dari segi lingkungan. Fly Ash merupakan sisa pembakaran batu bara yang sangat halus. Kehalusan butiran fly ash ini berpotensi terhadap pencemaran udara. Penanganan fly ash pada saat ini masih terbatas pada penimbunan di lahan kosong. Dalam penelitian ini, akan mengidentifikasi manfaat fly ash sebagai material pengganti semen pada beton. Identifikasi material fly ash menitikberatkan pada pengaruh penggunaan material ini terhadap kuat tekan beton khususnya pada awal umur beton. Tujuan penelitian ini adalah untuk mengetahui pengaruh penggunaan fly ash sebagai bahan pengganti semen terhadap kuat tekan beton. Persentase fly ash yang digunakan bervariasi, mulai dari 5% sampai 12,5% dengan interval penggunaan Fly ash sebesar 2,5%. Beton akan diuji pada umur 3, 7, 14 dan 28 hari setelah terlebih dahulu dilakukan curing. Penelitian ini menggunakan benda uji berbentuk kubus sebanyak 96 benda uji dimana untuk setiap variasi sebanyak 12 benda uji. Dari penelitian ini diperoleh bahwa nilai kuat tekan tertinggi pada penggunaan 12,5% fly ash, yaitu 404,03 Kg/cm2 pada umur 28 hari dengan persentase peningkatan 27,95%. Pada awal umur beton nilai kuat tertinggi pada penggunaan fly ash 12,5%, sebesar 231,04 Kg/cm2 dengan persentase peningkatan sebesar 60% terhadap beton normal. Dapat disimpulkan bahwa pada awal umur beton, penggunaan fly ash mempengaruhi kekuatan beton. Persentase penggunaan fly ash 12,5% pada beton,akan menghasilkan beton dengan kuat tekan maksimum.
Pengaruh Penggunaan Fly Ash dan Alkali Aktivator pada Beton Non-Pasir terhadap Kuat Tekan dan Laju Infiltrasi Mira Setiawati; Noto Royan; Maya Putriana Sari
Jurnal Teknik Sipil Institut Teknologi Padang Vol 10 No 1 (2023): Jurnal Teknik Sipil Institut Teknologi Padang
Publisher : ITP Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jts.2023.V1001.001-07

Abstract

Saat ini banyak pembangunan infrastruktur yang dilakukan oleh negara Indonesia untuk mengubah fungsi kawasan resapan. Salah satu pembangunan infrastruktur yang dilakukan adalah pembangunan jalan. Banyak jalan yang dibangun adalah jalan kedap air yang terbuat dari aspal atau beton konvensional. Hal ini menjadi salah satu pemicu terjadinya genangan, serta kapasitas saluran air yang tidak mampu menampung debit air sehingga air meluap ke jalan dan air tidak dapat meresap ke dalam tanah. Salah satu inovasi yang digunakan untuk mengurangi atau mengantisipasi permasalahan tersebut adalah dengan menggunakan lapisan jalan yang dapat dilalui air. Dapat digunakan sebagai catchment area, trotoar, atau jalan di kawasan pemukiman yang tidak padat lalu lintas. Adapun inovasi lapisan jalan dari beton yang dapat dilalui air salah satunya beton non pasir, dengan tidak menggunakan pasir dalam proses pembuatannya menimbulkan rongga udara di antara agregat kasar, sehingga air dapat meresap ke dalam tanah. Namun penggunaan semen sebagai bahan utama pembuatan beton digantikan dengan fly ash. Pada penelitian ini juga digunakan larutan aktivator basa berupa NaOH dan Na2SiO3 dengan tingkat molaritas NaOH yang digunakan 8, 12 dan 16 molar, serta rasio aktivator basa 2,5. Berdasarkan hasil pengujian, kuat tekan rata-rata paling optimum dicapai pada variasi 12 molar dengan 9 MPa dengan laju infiltrasi rata-rata 16,12 mm/s dan variasi ini dapat diterapkan pada perkerasan untuk kanal tepi dan bahu sesuai dengan referensi ACI 522R-10.
PREDIKSI KEBUTUHAN AIR BERSIH PDAM TIRTA MUSI PALEMBANG (STUDI KASUS WTP BORANG) Martini, RA Sri; Agusri, Erny; Setiawati, Mira
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 8, No 1 (2023): : BEARING:Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v8i1.6261

Abstract

PDAM Tirta Musi Palembang is a government-owned enterprise engaged in water treatment services,where water that is not dirty is processed and converted into clean water that is ready and suitable forhuman consumption. The increase in annual population has an impact on the increasing growth in thenumber of customers who need clean water. However, the Water Treatment Plant (WTP) or WaterTreatment Plant (IPA) still does not provide full services to all city environments, one of which is at thePalembang City Form WTP. The source of WTP processing comes from the Borang River and intake 1 ilir.The customer population is projected to increase to 22,434 in 2023 based on Geometric analysis with acalculation of customer needs of 218.04 liters/second. The pump used at WTP Borang has a capacity of200 liters / second and uses 2 pumps, so WTP Borang can still meet customer needs. The amount of waterdischarge required during maximum days and peak hours is 239.84 liters / second and 327.06 liters /second respectively. With this situation, it is predicted that the community's clean water needs in 2023 canbe fulfilled by WTP Borang.
EVALUASI RESPON STRUKTUR AKIBAT PENAMBAHAN LANTAI DENGAN METODE ANALISIS STATIK DAN DINAMIK RESPONSE SPECTRUM ( STUDI KASUS : PEMBANGUNAN GEDUNG FAKULTAS KEDOKTERAN UIGM ) Imaduddin, M.; Melani, Septa; Oemiati, Nurnilam; Setiawati, Mira
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 9, No 1 (2024): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v9i1.8286

Abstract

In 2022, Indo Global Mandiri University (UIGM) will construct the Faculty of Medicine building. In the initial planning of the development project, the construction of a 6-storey building was carried out, but after the implementation process was carried out, 5 floors were proposed to add floors, where initially the building only had 6 floors, it was made into a 7-storey building.The purpose of this research is to determine the structural behavior of the UIGM Palembang medical faculty building due to the addition of floors, whether the building meets the safety requirements in accordance with the Indonesian National Standard (SNI) reference for planning the latest earthquake resistance due to the addition of an earthquake, which in this study used software assistance ETABS and Response Spectrum analysis.Results of evaluation of structural behavior due to the addition of floors with a building height of 32.5 m in safe conditions as required by SNI 1726-2019 All deviations between floors are said to be okay, which means the UIGM Faculty of Medicine Building has met safety requirements according to the Indonesian National Standard (SNI) reference . The P-Delta value for the 7-storey building in the x and y directions still meets the requirements of SNI 1726:2019, which is still below the P-Delta limit. The addition of a floor to the UIGM Faculty of Medicine Building is categorized as safe because the behavior of the building structure does not indicate an unsafe condition (Not OK)
IDENTIFIKASI DAN PEMETAAN KERUSAKAN JALAN BERBASIS SISTEM INFORMASI GEOGRAFIS PADA RUAS JALAN (STUDI KASUS JALAN KADIR KELURAHAN KARANG ANYAR-GANDUS) Rahmayanti, Nadia; Rachman, Delli Noviarti; Setiawati, Mira; Hidayat, Ahmad
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 9, No 2 (2024): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v9i2.9060

Abstract

Road infrastructure is an essential part of a region's transportation system, supporting human mobility and goods distribution. However, these roads are prone to damage due to several factors, one of which is the lack of proper and regular maintenance. Therefore, this study aims to identify the level of road damage, determine road repair treatments, and implement a road damage map in the Karang Anyar Subdistrict. Using the Surface Distress Index (SDI) method and Geographic Information System (GIS) analysis, the results of the analysis indicate that the Kadir Tkr Road - Syakiakirti Road section in Karang Anyar Subdistrict shows that 23% of the roads are in good condition, 35% in moderate condition, 24% in light damage condition, and 18% in severe damage condition. It has an average SDI value of 42.5, categorized as good road condition. This study emphasizes the need for regular road maintainance.
Effect of Solution Concentration, Fly Ash Ratio, and Aging Time on the Quality of Nano-Silica Setiawati, Mira; Saggaff, Anis; Saloma; Ngian, Shek Poi
Science and Technology Indonesia Vol. 10 No. 2 (2025): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.2.622-627

Abstract

Fly ash, a byproduct of coal combustion, has gained significant attention due to its high silica content, and this silica-rich waste can be effectively converted into nano-silica. Factors such as the molarity of the solution, liquid-to-solid ratio, and the aging time play an essential role in determining the characteristics of silica nano produced, including particle size, morphology, and purity. This research aimed to determine the optimal conditions of solution molarity and the liquid-to-solid ratio to produce high-purity nano silica, examine the effect of aging time on the morphology and size of silica nanoparticles, and evaluating the effectiveness of the sol-gel method in producing nano-silica. This research uses nitric acid (HNO3 3 M) as the solution because it has not been widely explored and is more effective than other acidic solutions. In addition, the liquid-to-solid ratio varied from 1:5, 1:10, and 1:15, and combined with an aging time of 9 and 12 days, this study became the focus. The sample tested included XRD, XRF, FTIR, and SEM to confirm the nano-silica characteristics. It shows XRD is in the range of 2θ of about 20-22◦, which indicates the presence of amorphous silica, and FTIR shows results that support XRD data. SiO2 composition ranges from 97.47% to 98.57%, a very high amount of pure silica. It may concluded that silica nanoparticles have a particle size that varies from 151.2 nm to 295.4 nm, with a smooth morphology and relatively well distributed.
Co-Authors Agusri, Erny Ahmad Hidayat Alatif, M Rifki Anis Saggaff Arivai, Masri Bahri, Zainul Febriyanto, Miko Imaduddin, M. Kateni, Darul Martini, RA Sri Maya Putriana Sari Melani, Septa Muhammad Imaduddin Nasution, Ali Napiah Nauvaliyanto, Fathur Ngian, Shek Poi Noto Royan noviarti, delli Oemiati, nurnilam Rahmayanti, Nadia Revisdah Revisdah, Revisdah Ridho, M. Effrian Royan, Noto Saloma Sri Martini Sri Martini, RA Wijaya, a Pasha