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Jurusan Teknik Sipil Dan Perencanaan, Fakultas Teknik, Universitas Sriwijaya
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Persamaan Korelasi Sifat Mekanik Beton Mutu Tinggi dengan Agregat Alami dan Slag Nikel Sugiri, Saptahari; Saloma, Saloma; Yulianti, Ria Catur
Jurnal Teknik Sipil Vol 14, No 1 (2007)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.594 KB)

Abstract

Abstrak. Beton merupakan material konstruksi bangunan yang sering digunakan karena mudah pada waktu pelaksanaan konstruksi dan biaya pemeliharaan yang relatif murah dibandingkan material lainnya. Dengan maraknya pembangunan dimana aspek lingkungan harus diperhatikan, maka agregat kasar dan halus yang berasal dari sumber daya alam sebaiknya dibatasi, bila memungkinkan diganti dengan agregat produk limbah dari industri. Perkembangan ilmu pengetahuan di bidang teknologi beton memungkinkan penggunaan limbah menjadi bahan dasar pembentuk beton, sehingga di satu sisi penggunaan bahan alam yang merusak lingkungan dapat diatasi dan di sisi lain bahan limbah dimanfaatkan seoptimal mungkin untuk bahan dasar pembentuk beton. Dalam setiap minggu, PT. INCO menghasilkan limbah padat berupa terak nikel dalam jumlah relatif besar, yaitu 77.441 ton. Sehingga dapat dilakukan penelitian mengenai penggunaan limbah padat tersebut sebagai bahan dasar pembentuk beton, baik sebagai agregat kasar maupun halus. Tujuan utama penelitian ini adalah untuk mendapatkan persamaan korelasi sifat mekanik beton kinerja tinggi (high performance concrete) dengan agregat alami dan slag nikel. Terhadap seluruh bahan pembentuk beton dilakukan pengujian mengikuti standar ASTM. Bahan dasar pembentuknya terdiri dari semen, agregat kasar, agregat halus, air dan bahan tambahan lainnya. Semua pengujian sifat mekanik beton juga mengikuti standar ASTM dan dilakukan untuk umur beton 3, 7, 14, 21, 28 dan 56 hari dengan masing-masing umur sebanyak tiga sampel. Seluruh data hasil penelitian yang telah diperoleh dilakukan analisis regresi nonlinier. Selanjutnya dibahas berbagai model korelasi sifat mekanik beton yang telah diuji. Berdasarkan analisis model korelasi diperoleh bentuk persamaan sebagai berikut :y = abttcfc28 , dimana untuk :Kuat tekan beton :                 a = 0,389       b = 0,996       c = 0,323Modulus elastisitas :               a = 353         b = 1,001       c = 0,083Kuat tarik tidak langsung :      a = 0,03        b = 1,002        c = 0,115Kuat lentur :                          a = 0,052       b = 0,998       c = 0,224Adapun kelebihan persamaan korelasi yang diusulkan dibandingkan persamaan dalam peraturan yang ada adalah dapat menganalisis sifat mekanik beton kinerja tinggi berdasarkan fungsi waktu 0 < t ≤ 56 dan mempunyai nilai standar error yang lebih kecil. Abstrack. Concrete is construction material of building that is often is applied by easy to when realization of construction and maintenance cost that is cheap relative compared to other material. With the hoisterous of development where environmental aspect to paid attention, hence fine and coarse aggregate coming from natural resources better be limited, if possible is changed with waste product aggregate from industry. Development of science in concrete technology area enables usage of waste becomes concrete former base material, so that in one usage sides of nature material destroying area can be overcome and on the other side waste material is exploited as optimal as possible for concrete former base material. In each week, PT. INCO yields solid waste in the form ofnickel slag in number relative big, that is 77.441 tons. So can be done research about usage of the solid waste as component of concrete former basis, either as fine and coarse aggregate. Purpose of principal of this research is to get correlation equation of high performance concrete with natural aggregate and nickel slag. To all concrete former material is done assaying to follow ASTM standard. Its the former base material consisted of cements, coarse aggregate, fine aggregate, water and other admixture. All assayings of concrete mechanical property also follows ASTM standard and done for concrete age 3, 7, 14, 21, 28 and 56 days, in which three sample specimens were tested for each age. All research result data which has been obtained done by regression analysis nonlinier. Here in after is studied various correlation models of concrete mechanical property which has been tested. Based on correlation model analysis is obtained form of equation as follows : y = abttcfc28, where for :1. Compressive strength :      a = 0,389      b = 0,996       c = 0,323    2. Modulus of elasticity :        a = 353         b = 1,001       c = 0,083         3. Indirect tensile strength :   a = 0,03        b = 1,002       c = 0,1154. Modulus of Rupture :         a = 0,052      b = 0,998      c = 0,224  The advantage of this correlation equation over the standard equation is the ability to analyze the mechanical properties of high performance concrete by function of time 0 < t ≤ 56 and has a smaller standard error
ANALISIS STABILITAS STRUKTUR PELAT DENGAN SOLUSI DERET FOURIER DAN FINITE DIFFERENCE Saloma, Saloma; Dolu, Anwar
CANTILEVER Vol 2, No 1 (2007): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4344.173 KB)

Abstract

Differential Equation of Slab is manifestation from mathematic model that refers physics fenomens from slab flexible, which is decreased by asumstions that have related with material characteristics such as elastic linear, homogen, isotropic and others physics attitude. This differential equation solution with finite difference and Fourier Series is changed determines Differential Equation of Slab to trigonometric functions (sinus and cosinus), addition all trigonometric funcfion produce analytic solution from Differential Equation of Slab.
ANALISIS STRUKTUR RANGKA BAJA MENGGUNAKAN BASE ISOLATION DENGAN TIME HISTORY ANALYSIS Saloma, Saloma
CANTILEVER Vol 4, No 1 (2015): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

This paper discussed the usage of base isolation in the form of leading rubber bearing which is applicated on steel structure of five floor. The analysis is done on steel structure by using base isolation. It is compared with steel structure without base isolation. The usage of base isolation on steel structure with loading earthquake can reduce response structure either displacement, velocity or accelaration.Key Words: base isolation, lead-rubber bearing.
Karakteristik Mortar Polimer Epoxy Resin Dengan Fiberglass Bambang Utomo; Siti Aisyah Nurjannah; Saloma
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol 10 No 2 (2021): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1204.103 KB) | DOI: 10.35139/cantilever.v10i2.114

Abstract

Nowadays, the developments of technology in construction are progressing very rapidly, one of which is mortar without using cement material. This encourages the development of concrete and mortar technology so that it can be widely used to repair structural or non-structural damages. In these conditions, a binder is needed in the form of an epoxy resin polymer with added fiberglass to get a strong material result in a short time. A mixture of 75% sand and 25% epoxy resin from the volume of the test object resulted a mortar compressive strength of 35.50 MPa with a specific gravity of 1.505 kg/m3. The results showed that the variation of the compressive strength of the epoxy resin mortar without fiber was higher than the variation with fiberglass. This was due to the addition of fiberglass reducing the composition of the percentage of epoxy resin which results in reduced bonding power in the mixture. The flexural strength of a mortar with variations using fiberglass was 8 MPa and showed the best performance, although the difference was not too far from the variation without fiberglass. This was because the addition of fiberglass can reduce cracks, so that the fibers can bind well. The tests had been carried out including tests of the compressive strength, flexural strength, and Scanning Electron Microscope (SEM).
Persamaan Korelasi Sifat Mekanik Beton Mutu Tinggi dengan Agregat Alami dan Slag Nikel Saptahari Sugiri; Saloma Saloma; Ria Catur Yulianti
Jurnal Teknik Sipil Vol 14 No 1 (2007)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2007.14.1.3

Abstract

Abstrak. Beton merupakan material konstruksi bangunan yang sering digunakan karena mudah pada waktu pelaksanaan konstruksi dan biaya pemeliharaan yang relatif murah dibandingkan material lainnya. Dengan maraknya pembangunan dimana aspek lingkungan harus diperhatikan, maka agregat kasar dan halus yang berasal dari sumber daya alam sebaiknya dibatasi, bila memungkinkan diganti dengan agregat produk limbah dari industri. Perkembangan ilmu pengetahuan di bidang teknologi beton memungkinkan penggunaan limbah menjadi bahan dasar pembentuk beton, sehingga di satu sisi penggunaan bahan alam yang merusak lingkungan dapat diatasi dan di sisi lain bahan limbah dimanfaatkan seoptimal mungkin untuk bahan dasar pembentuk beton. Dalam setiap minggu, PT. INCO menghasilkan limbah padat berupa terak nikel dalam jumlah relatif besar, yaitu 77.441 ton. Sehingga dapat dilakukan penelitian mengenai penggunaan limbah padat tersebut sebagai bahan dasar pembentuk beton, baik sebagai agregat kasar maupun halus. Tujuan utama penelitian ini adalah untuk mendapatkan persamaan korelasi sifat mekanik beton kinerja tinggi (high performance concrete) dengan agregat alami dan slag nikel. Terhadap seluruh bahan pembentuk beton dilakukan pengujian mengikuti standar ASTM. Bahan dasar pembentuknya terdiri dari semen, agregat kasar, agregat halus, air dan bahan tambahan lainnya. Semua pengujian sifat mekanik beton juga mengikuti standar ASTM dan dilakukan untuk umur beton 3, 7, 14, 21, 28 dan 56 hari dengan masing-masing umur sebanyak tiga sampel. Seluruh data hasil penelitian yang telah diperoleh dilakukan analisis regresi nonlinier. Selanjutnya dibahas berbagai model korelasi sifat mekanik beton yang telah diuji. Berdasarkan analisis model korelasi diperoleh bentuk persamaan sebagai berikut :y = abttcfc28 , dimana untuk :Kuat tekan beton :                 a = 0,389       b = 0,996       c = 0,323Modulus elastisitas :               a = 353         b = 1,001       c = 0,083Kuat tarik tidak langsung :      a = 0,03        b = 1,002        c = 0,115Kuat lentur :                          a = 0,052       b = 0,998       c = 0,224Adapun kelebihan persamaan korelasi yang diusulkan dibandingkan persamaan dalam peraturan yang ada adalah dapat menganalisis sifat mekanik beton kinerja tinggi berdasarkan fungsi waktu 0 < t ≤ 56 dan mempunyai nilai standar error yang lebih kecil. Abstrack. Concrete is construction material of building that is often is applied by easy to when realization of construction and maintenance cost that is cheap relative compared to other material. With the hoisterous of development where environmental aspect to paid attention, hence fine and coarse aggregate coming from natural resources better be limited, if possible is changed with waste product aggregate from industry. Development of science in concrete technology area enables usage of waste becomes concrete former base material, so that in one usage sides of nature material destroying area can be overcome and on the other side waste material is exploited as optimal as possible for concrete former base material. In each week, PT. INCO yields solid waste in the form ofnickel slag in number relative big, that is 77.441 tons. So can be done research about usage of the solid waste as component of concrete former basis, either as fine and coarse aggregate. Purpose of principal of this research is to get correlation equation of high performance concrete with natural aggregate and nickel slag. To all concrete former material is done assaying to follow ASTM standard. Its the former base material consisted of cements, coarse aggregate, fine aggregate, water and other admixture. All assayings of concrete mechanical property also follows ASTM standard and done for concrete age 3, 7, 14, 21, 28 and 56 days, in which three sample specimens were tested for each age. All research result data which has been obtained done by regression analysis nonlinier. Here in after is studied various correlation models of concrete mechanical property which has been tested. Based on correlation model analysis is obtained form of equation as follows : y = abttcfc28, where for :1. Compressive strength :      a = 0,389      b = 0,996       c = 0,323    2. Modulus of elasticity :        a = 353         b = 1,001       c = 0,083         3. Indirect tensile strength :   a = 0,03        b = 1,002       c = 0,1154. Modulus of Rupture :         a = 0,052      b = 0,998      c = 0,224  The advantage of this correlation equation over the standard equation is the ability to analyze the mechanical properties of high performance concrete by function of time 0 < t ≤ 56 and has a smaller standard error
ANALISIS CAMPURAN MUTU BETON K200 DENGAN MENGGUNAKAN LIMBAH ABU AMPAS TEBU SEBAGAI SUBSTITUSI SEMEN DAN NaCl SEBAGAI BAHAN PENGGANTI AIR Mulyadi, Asri; Saloma, Saloma; Nurjannah, Siti Aisyah
Jurnal Teknik Sipil Vol 14 No 1 (2024): Jurnal Teknik Sipil
Publisher : Civil Engineering Study Program Faculty of Engineering, University of Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36546/tekniksipil.v14i1.1305

Abstract

Dalam perkembangan dunia yang semakin maju dan serbah canggih, teknologi beton mempunyai potensi yang luas dalam bidang konstruksi. Hal ini menyebabkan beton banyak digunakan untuk konstruksi bangunan gedung, jalan, jembatan dermaga dan lain-lain. Banyaknya jumlah penggunaan beton dalam konstruksi tersebut mengakibatkan peningkatan kebutuhan material beton, baik itu semen, pasir, maupun koral, sehingga memicu penambangan batuan sebagai salah satu bahan pembentuk beton secara besar-besaran yang menyebabkan turunnya jumlah sumber alam yang tersedia untuk keperluan pembetonan. Memakai material bahan limbah abu ampas tebu sebagai substitusi dalam campuran beton di Indonesia masih belum banyak dilakukan, tetapi limbah abu ampas tebu tersebut digunakan antara lain untuk pengurukan dan sekaligus menjadi pupuk kandang dilokasi perkebunan. Hal ini disebabkan karena bahan baku semen mudah didapat. Namun cepat atau lambat material akan semakin habis sehingga menyebabkan material dari tahun ketahun akan semakin mahal. Berdasarkan dari uraian di atas maka disini timbullah rencana untuk melakukan penelitian inovasi alternatif bahan pengganti material, di sini penulis mencoba pemanfaatan material limbah abu ampas tebu sebagai substitusi semen, dan NaCl sebagai pengganti air, dengan tujuan membandingkan kuat tekan beton normal mutu beton K200 dengan beton memakai bahan limbah abu ampas tebu sebagai pengganti semen dan NaCl sebagai pengganti air. Penelitian dilakukan terhadap beton dengan membandingkan antara beton normal dengan beton yang menggunakan limbah abu ampas tebu sebagai pengganti semen dan NaCl sebagai pengganti air. perlakuan yang diambil pada penelitian ini sebanyak 4 perbandingan yaitu beton normal (BN), beton dengan menggunakan limbah abu ampas tebu 6%, 12%, 18% dari berat semen dan NaCl sebagai pengganti air. Pada penelitian ini benda uji dicetak dengan menggunakan kubus baja ukuran 15cm x 15cm x 15cm. Dari hasil penelitian dan hasil pengolahan data, maka dapat disimpulkan bahwa nilai evaluasi kuat tekan yang dicapai oleh beton tanpa menggunakan material pengganti semen atau beton normal pada umur 28 hari didapat kuat tekan 208,33 kg/cm2, nilai evaluasi kuat tekan yang dicapai oleh beton dengan menggunakan limbah abu ampas tebu 6% dari berat semen dan NaCl sebagai pengganti air kuat tekan pada umur 28 hari didapat 205,31 kg/cm2, nilai evaluasi kuat tekan yang dicapai oleh beton dengan menggunakan limbah abu ampas tebu 12% dari berat semen dan NaCl sebagai pengganti air kuat tekan pada umur 28 hari didapat 203,80 kg/cm2, dan nilai evaluasi kuat tekan yang dicapai oleh beton dengan menggunakan limbah abu ampas tebu 18% dari berat semen dan NaCl sebagai pengganti air kuat tekan pada umur 28 hari didapat 197,76 kg/cm2. Jadi dari hasil evaluasi tersebut beton yang menggunakan limbah abu ampas tebu 6%, 12% dari berat semen dan NaCl sebagai pengganti air masih memenuhi mutu beton K200.
Studi Kelayakan Investasi Batching Plant menggunakan Fly Ash sebagai Pengganti Semen di Kota Palembang Dwi Utama, Hakim Abdurrahim; Susanti, Betty; Saloma, Saloma
Jurnal Rekayasa Mesin Vol. 24 No. 1 (2024): Jurnal Rekayasa Mesin
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jrm.v24i1.516

Abstract

Cement processing increases CO2 pollution by up to 6%, giving rise to innovation in using fly ash because it can be used as an additive material for good quality concrete. Concrete production using a batching plant requires large investment costs. This research aims to analyze the feasibility of financial investment to build a batching plant that processes concrete mixed with fly ash and compare it with conventional concrete without fly ash in Palembang City. The study shows the NPV>0, IRR>9%, and BCR>1, which means these two investments are feasible. However, the payback period for conventional concrete is 3 years while concrete with fly ash is 3.5 years. BEP for conventional concrete and fly ash concrete reached the break-even point in the 8th year. In the 10th year of fly ash concrete production, there was a significant surplus. The environmental aspect shows that concrete waste using fly ash is safe because it can reduce cement use by up to 55%. The research results show that adding fly ash reduces raw material costs. This investment is declared feasible from a financial aspect because it has the potential to obtain benefits.
ANALYSIS OF THE EFFECT OF COMPRESSIVE STRENGTH OF MORTAR USINGCANE WASTE ASH AND LIME Mulyadi, Asri; Saloma, Saloma; Nurjanah, Siti Aisyah
Rang Teknik Journal Vol 8, No 1 (2025): Vol. 8 No. 1 Januari 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v8i1.6148

Abstract

From the results of research and testing of mortar with a variety of bagasse ash mixtures as a substitute for fine aggregate and limestone, it can be concluded that the compressive strength of normal mortar without bagasse ash waste but using limestone water is 1.90 kg/cm2, the compressive strength of mortar with Bagasse ash waste is 6% of the weight of cement and limestone is 2.29 kg/cm2 which is the optimum mixture content in this mixture. The compressive strength of mortar with sugarcane bagasse ash waste is 9% of the weight of cement and limestone has a compressive strength of 2.08 kg /cm2, the compressive strength of mortar with bagasse ash waste is 12% of the cement weight, the compressive strength is 2.12 kg/cm2, mortar mixed with bagasse ash and limestone will increase compared to normal mortar. Keywords: Aggregate, Cement, Compressive strength, Limestone, Compressive strength, Mortar, Sugarcane bagasse ash
Perencanaan Perkerasan Kaku pada Ruas Jalan Simpang 3 Pengabuan – Pengabuan Timur dengan Metode MDP Tahun 2024 Kartika, Tiara; Saloma, Saloma; Putra Usman, Arie
Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research Vol. 2 No. 1 (2025): NOVEMBER 2024 - JANUARI 2025
Publisher : UNIVERSITAS SERAMBI MEKKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/mister.v2i1.2509

Abstract

Roads are one of the factors to strengthen the economic facilities and infrastructure of the people based on resources and help the region in the openness of isolated villages and sub-districts in Penukal Abab Lematang Ilir Regency (PALI), the Simpang 3 Pengabuan - Pengabuan Timur Road Section is one of the road sections that connects the provincial road Lembak - Modong Road Section and is a priority area for plantations. This section is one of the priority roads in the region, so planning is needed on the Simpang 3 Pengabuan - Pengabuan Timur road section using the 2024 Pavement Design Manual. The planned age of the Simpang 3 Pengabuan - Pengabuan Timur road section is 20 years with a CBR value of 7.54% JSKN plan of 80369.36466 units with a road length of 2.524 km. The results obtained were the design of concrete with a low traffic category with a concrete slab thickness of 200 mm, a thin concrete thickness of 100 mm, an aggregate foundation layer with a thickness of 150 mm and having a Tie Bar with a transverse joint distance of 4 m.
Penilaian Kondisi Jalan dengan Metode Surface Distress Indeks (SDI) pada Ruas Jalan Kabupaten di Kecamatan Penukal Utara Irawan, Agus; Saloma, Saloma; Putra Usman, Arie
Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research Vol. 2 No. 1 (2025): NOVEMBER 2024 - JANUARI 2025
Publisher : UNIVERSITAS SERAMBI MEKKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/mister.v2i1.2519

Abstract

The increasing mobility of the population in Penukal Abab Lematang Ilir Regency in line with the growth and development of residential areas in the district has resulted in an increasing need for the provision of adequate transportation facilities and infrastructure. To meet the need for transportation facilities and infrastructure, a road infrastructure development policy was implemented. One of the policies for developing road infrastructure is data regarding road conditions in Penukal Abab Lematang Ilir Regency. Updating data on district road conditions in North Penukal District using the Surface Distress Index (SDI) Method and by ranking the steady condition of roads in North Penukal District, Penukal Abab Lematang Ilir Regency. The results of the survey of district roads in North Penukal District in 2024 were in good condition along 151,873 Km or 52.038%, moderate condition along 25,216 Km or 8.640%, slightly damaged condition, 9,397 Km or 3.220% and heavily damaged 105,364 Km or 36,102% with road stability of 60.678% and unstable conditions of 39.322%.
Co-Authors Abdurroqib, Abdurroqib Agus Irawan Anwar Dolu Arie Putra Usman Bambang Utomo Betty Susanti, Betty Dwi Utama, Hakim Abdurrahim Dwi Wahyuni Kartika, Tiara Mulyadi, Asri Nopradego, Rendi Nurjanah, Siti Aisyah Putra Usman, Arie Ratna, Dewi Ria Catur Yulianti Ria Catur Yulianti, Ria Catur Saptahari Sugiri Saptahari Sugiri, Saptahari Siti Aisyah Nurjannah, Siti Aisyah