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All Journal JURNAL PENDIDIKAN TAMBUSAI Jurnal Review Pendidikan dan Pengajaran (JRPP) Sinergitas Multidisiplin Ilmu Pengetahuan dan Teknologi (SMIPT) BERNAS: Jurnal Pengabdian Kepada Masyarakat MEANS (Media Informasi Analisa dan Sistem) Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) Journal of Science and Education (JSE) Paulus Civil Engineering Journal Cerdika: Jurnal Ilmiah Indonesia

Febriani, Lisa

Universitas Kristen Indonesia Paulus

Author-ID : 1290979

Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Pengaruh Kalsium Karbonat (CaCO3) Sebagai Bahan Substitusi Semen pada Beton Mutu Tinggi Nobertus Rombe Seru; Jonie Tanijaya; Lisa Febriani
Paulus Civil Engineering Journal Vol 3 No 1 (2021): Volume 3, No.1, Maret 2021
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

The main constituent of cement is calcium carbonate. In concrete mixing, a materiaI that can be used as a substitute for partial cement is calcium carbonate. The purpose of this study is to determine the compressive strength, spIit tensiIe strength, and flexural strength of concrete using calcium carbonate as a substitute for partial cement in high quality concrete. The research methodology started from examining the characteristics of the aggregate, calcium carbonate, and mix design (SNI 03-2834-200), manufacturing of cylinder and beam specimens. The results show that the composition of the concrete mixture using calcium carbonate as a cement substitution indicates that the higher the percentage of variation in calcium carbonate will reduce the quality value of the concrete.

The Influence of Sangkaropi' and Sandblasting Mining Aggregate on Concrete Mikel Paa; Frans Phengkarsa; Lisa Febriani
Paulus Civil Engineering Journal Vol 4 No 1 (2022): Volume 4 No.1, Maret 2022
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Concrete is a composite building material made from a combination of aggregate and cement binder. The most common form of concrete is Portland cement concrete, which is composed of mineral aggregate, cement and water. It is usually believed that concrete dries after mixing and laying. In increasing the strength or quality of concrete, the coarse aggregate used comes from the Sangkaropi mine because in addition to the rare use of aggregate there, the Sangkaropi mine stone also contains minerals such as calcium oxide, silica dioxide, aluminum oxide. By adding materials, both in coarse aggregate and fine aggregate, as a substitute for binders and some as additional materials to increase the adhesion of binders in concrete, one of them is using sandblasting material in the concrete mixture. This is because sandblasting is a natural material whose raw materials contain less than 0.1 percent almandite and silica, which means that sandblasting does not contain hazardous and toxic materials (B3). The variations used are 0%, 5%, and 10%. The tests carried out were the compressive strength test, split tensile strength test, and the flexural strength test with a concrete quality of 25 MPa. From the results of this study, the compressive strength values were 26.502 Mpa, 28.389 Mpa and 31.878 Mpa. In the split tensile strength test, the values obtained were 1.721 Mpa, 2.146 Mpa, 2.617 Mpa and the flexural strength test obtained values of 1.837 Mpa, 2.341 MPa, and 2,696 MPa.

Pemanfaatan Limbah Serbuk Kayu Sebagai Subtitusi Agregat Halus Pada Beton Loryanti Elsandi Paranggai; Junus Mara; Lisa Febriani
Paulus Civil Engineering Journal Vol 4 No 2 (2022): Paulus Civil Engineering Journal Volume 4 No.2
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Concrete is the most widely used material as the main material in construction. As time progresses, human needs also increase, so in this study, wood waste was used into concrete mix with a normal concrete compressive strength value of 20 MPa using aggregate from the Jeneberang River. In this study, using sawdust waste to be utilized in concrete with variations of 0%, 3%, 6% and 9% with the aim of research to find out how the effect of sawdust waste into concrete mix with predetermined variations. The implementation method uses the SNI method by making test objects in the form of cylinders and blocks at the Indonesian Christian University Paul Laboratory. From the results of the research conducted, it was found that the effect of sawdust waste mixed into the concrete mixture showed the value of the compressive strength, tensile strength and flexural strength of the concrete increased by 3% then decreased in variations of 6% and 9% but at the addition of 3% the strength value The compressive strength, tensile strength and flexural strength of concrete decreased compared to normal concrete.

Pengaruh Substitusi Sandblasting Pada Campuran Beton Mutu Tinggi Roi Marthen; Jonie Tanijaya; Lisa Febriani
Paulus Civil Engineering Journal Vol 4 No 2 (2022): Paulus Civil Engineering Journal Volume 4 No.2
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

High quality concrete is a type of concrete that has been given special treatment, if no special materials are added, it cannot always be obtained with conventional materials. The purpose of this study was to determine the best sandblasting substitution composition in producing high quality concrete. The method used in the design of the mixture is the SNI method, with the design concrete quality of 42 MPa. The results of this study indicate that for testing the compressive strength of concrete at the age of 28 days, the highest value for the 10% sandblasting variation is 49,163 MPa, the split tensile strength of the 10% sandblasted concrete variation is 4.789. MPa, the flexural strength of 10% sandblasted concrete is 6,399 MPa and the modulus of elasticity of 10% sandblasted concrete is 22531,964 MPa. From the results of the study it was concluded that the use of sandblasting as a substitute for fine aggregate showed an increase in the value of sandblasting variations of 10% for the compressive strength test, split tensile strength test, flexural strength and modulus of elasticity test of concrete.

Studi Eksperimental Penggunaan Abu Ampas Tebu dan Limbah Karbit sebagai Material Subtitusi Semen pada Campuran Beton Adam Creflo Rombe; Frans Phengkarsa; Lisa Febriani
Paulus Civil Engineering Journal Vol 5 No 1 (2023): Paulus Civil Engineering Journal, Volume 5, No.1
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/pcej.v5i1.595

Research on construction technology continues to be developed with the aim of utilizing carbide waste and bagasse ash as a substitute for cement in the manufacture of normal quality concrete. The purpose of this study was to determine the value of testing the compressive strength, split tensile strength and flexural strength with substitute materials from carbide waste and sugarcane ash 0%, 4%, 8% and 12%. The American concrete method was used in the manufacture of test objects. institute (ACI). The test is carried out when the concrete has passed the maintenance period of 7, 21 and 21 days. From the results of this study, the compressive strength values of concrete at 28 days of age with variations of 10% carbide waste and 0%, 4%, 8% and 12% bagasse ash were 26.044 MPa, 16.042 MPa, 14.626 MPa and 14.248. The split tensile strength test results with 10% waste and 0%, 4%, 8% and 12% bagasse ash were 2.288 MPa, 1.77 MPa, 1.533 MPa and 1.486 MPa. The results of the flexural strength test with a variation of waste 10% and bagasse ash 0%, 4%, 8% and 12% were 3.030 MPa, 2.568, 2.414 and 2.362. The results of this study indicate that the higher the addition of carbide waste and bagasse ash, the lower the compressive strength, split tensile strength and flexural tensile strength of concrete.

Pemanfaatan Calcium Carbide dan Bottom Ash sebagai Bahan Subtitusi pada Beton Ermita Datu Puang; Frans Phengkarsa; Lisa Febriani
Paulus Civil Engineering Journal Vol 5 No 1 (2023): Paulus Civil Engineering Journal, Volume 5, No.1
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/pcej.v5i1.604

The purpose of this research is to find out how to use calcium carbide and bottom ash as substitution materials in concrete. Where calcium carbide is a colorless chemical compound with the chemical formula (CaC2), and the calcium carbide that is often used is generally gray or brown in color. while bottom ash is bottom ash that is released under the combustion furnace from the remaining coal combustion. The percentage of using 10% calcium carbide as a substitute for cement and bottom ash as a substitute for fine aggregate is 25%, 30% and 35%. In this study, a cylindrical specimen was used with a diameter of 15 cm and a height of 30 cm, and a block with a size of 15 cm × 15 cm × 60 cm. The method used in this study is the ACI (American Concrete Institute) method with a planned concrete quality of 30 MPa. The compressive strength test results at 28 days obtained results at variations of 25%, 30% and 35%, namely 30,951 MPa, 31,328 MPa, and 32,838 MPa. The split tensile strength test results at variations of 25%, 30% and 35% were 2.878 MPa, 2.972 MPa and 3.161 MPa. The results of the flexural strength test at variations of 25%, 30% and 35% are 3,338 MPa, 3,390 MPa, 3,441 MPa. The test results show that the use of calcium carbide and bottom ash substitution complies with the 30 MPa quality plan.

Pengaruh Penambahan Abu Ijuk Pada Beton Normal Ika Tangma'ti; Frans Phengkarsa; Lisa Febriani
Paulus Civil Engineering Journal Vol 5 No 2 (2023): Paulus Civil Engineering Journal, Volume 5, No.2
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/pcej.v5i2.639

Concrete is one of the most commonly used building materials in the industrial sector. This is what encourages the use of palm fiber ash as an added ingredient in concrete. Palm fiber which is underutilized and left alone gives rise to a new idea, namely to use the palm fiber as an added ingredient in concrete. The American Concrete Institute (ACI) method was used to prepare the sample. The test is carried out when the concrete has passed the holding time of 7, 21 and 28 days.. The purpose of this study was to determine the effect of adding 3%, 6% and 9% palm fiber ash on compressive strength, split tensile strength and modulus of elasticity. In this research, the concrete quality is planned to be 50 MPa. From the test results, it was obtained that the concrete compressive strength values for the percentage variations of 0%, 3%, 6% and 9% were respectively 26.893 MPa, 26.799 MPa, 21.892 MPa and 19.061 MPa, split tensile strength test for percentage variations of 0%, 3 %, 6%, and 9% respectively 2.453 MPa, 2.430 MPa, 2.170 MPa and 1.887 MPa, and testing the modulus of elasticity for the percentage variation of 0%, 3%, 6% and 9% respectively 22209, 358 MPa, 21064.331 MPa, 19496.646 MPa and 18971.406 MPa. From the proceeds of the study it can be concluded that the use of the addition of palm fiber ash as an added ingredient decreased with increasing variations in the percentage of palm ashes.

Optimalisasi Jumlah Air Terhadap Kekuatan Beton dengan Metode Dreux Febriani, Lisa; Tanijaya, Jonie; Arung, Melky Tandi
Paulus Civil Engineering Journal Vol. 5 No. 4 (2023): PCEJ Vol.5, No.4, Desember 2023
Publisher : Universitas Kristen Indonesia Paulus

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

Pembangunan infrastruktur yang pesat dan kebutuhan akan perumahan yang terus meningkat telah menjadi pendorong utama bagi inovasi dalam bidang rekayasa struktur, terutama dalam teknologi bahan konstruksi. Dalam konteks ini, beton telah menjadi salah satu bahan konstruksi yang paling dominan dan umum digunakan dalam proyek-proyek konstruksi. Keunggulan beton mencakup harga yang relatif terjangkau, kemudahan dalam proses pembentukan, kemampuan untuk menahan beban tekan yang tinggi, serta daya tahan yang baik akan faktor cuaca dan lingkungan sekitarnya. Tujuan dari penelitian ini melakukan uji laboratorium dengan variasi jumlah air 165 ltr/m3, 175 ltr/m3 dan 185 ltr/m3 mempergunakan agregat halus dari tambang sangkaropi untuk mengetahui nilai kuat tekan beton dengan mempergunakan metode mix design metode Dreux. Dari hasil penelitian yang dilakukan didapatkan nilai slump secara berturut-turut yaitu 60 mm, 75 mm,dan 90 mm menghasilkan kuat tekan masing-masing 30,036 Mpa, 28,396 Mpa serta juga 22,177 Mpa. Dari hasil penelitian ini dapat kita lihat bahwa semakin besar jumlah air yang dipergunakan maka kekuatan beton yang dihasilkan semakin rendah

Pengaruh Penambahan Abu Ijuk Pada Beton Normal Tangma'ti, Ika; Phengkarsa, Frans; Febriani, Lisa
Paulus Civil Engineering Journal Vol. 5 No. 2 (2023): PCEJ Vol.5, No.2, June 2023
Publisher : Universitas Kristen Indonesia Paulus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/p41xr194

Beton merupakan salah satu bahan bangunan yang paling umum digunakan di sektor industri. Hal inilah yang mendorong pemanfaatan abu ijuk sebagai bahan tambah pada beton. Ijuk yang kurang dimanfaatkan dan dibiarkan begitu saja memunculkan ide baru yaitu memanfaatkan ijuk tersebut sebagai bahan tambah pada beton. Metode American Concrete Institute (ACI) digunakan untuk menyiapkan sampel. Pengujian dilakukan bila beton telah melewati waktu penahanan yaitu 7, 21 dan 28 hari. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penambahan abu ijuk 3%, 6% dan 9% terhadap kuat tekan, kuat tarik belah dan modulus elastisitas. Pada penelitian ini direncanakan mutu beton yaitu 50 MPa. Dari hasil pengujian diperoleh nilai kuat tekan beton untuk variasi persentase 0%, 3%, 6% dan 9% secara berturut-turut sebesar 26,893 MPa, 26,799 MPa, 21,892 MPa dan 19,061 MPa, pengujian kuat tarik belah untuk variasi persentase 0%, 3%, 6%, dan 9% secara berturut-turut sebesar 2,453 MPa, 2,430 MPa, 2,170 MPa dan 1,887 MPa, dan pengujian modulus elastisitas untuk variasi persentase 0%, 3%, 6% dan 9% secara berturut-turut sebesar 22209,358 MPa, 21064,331 MPa, 19496,646 MPa dan 18971,406 MPa.Dari hasil penelitian dapat disimpulkan bahwa penggunaan penambahan abu ijuk sebagai bahan tambah mengalami penurunan seiring bertambahnya variasi persentase abu ijuk.

Studi Eksperimental Penggunaan Abu Ampas Tebu dan Limbah Karbit sebagai Material Subtitusi Semen pada Campuran Beton Rombe, Adam Creflo; Phengkarsa, Frans; Febriani, Lisa
Paulus Civil Engineering Journal Vol. 5 No. 1 (2023): PCEJ Vol.5, No.1, March, 2023
Publisher : Universitas Kristen Indonesia Paulus

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

Penelitian tentang teknologi konstruksi terus dikembangkan dengan tujuan memanfatkan limbah karbit dan abu ampas tebu sebagai bahan subtitusi pada semen dalam pembuatan beton mutu normal. Tujuan dari penelitian ini adalah untuk mengetahui nilai dari pengujian kuat tekan, kuat tarik belah dan kuat lentur dengan bahan subtitusi dari limbah karbit dan abu amps tebu 0%, 4%, 8% dan 12%.. Dalam pembuatan benda uji digunakan metode American concrete institute (ACI)s. Pengujian dilakukan pada saat umur beton telah melewati proses masa pemeliharaan 7, 21, dan 21 hari. Dari hasil penelitian ini didapat nilai kuat tekan beton pada umur 28 hari dengan variasi limbah karbit 10% dan abu ampas tebu 0%, 4%, 8% dan 12% adalah 26,044 MPa, 16,042 MPa, 14,626 MPa dan 14,248. Hasil pengujian kuat tarik belah dengan varaiasi limbah 10% dan abu ampas tebu 0%, 4%, 8% dan 12% adalah 2,288 MPa, 1,77 MPa, 1,533 MPa dan 1,486 MPa. Hasil pengujian kuat lentur dengan varaiasi limbah 10% dan abu ampas tebu 0%, 4%, 8% dan 12% yaitu 3,030 MPa, 2,568, 2,414 dan 2,362. Hasil dari penelitian ini menunjukkan semakin tinggi penambahan limbah karbit dan abu ampas tebu maka akan semakin menurun kuat tekan, kuat tarik belah dan kuat tarik lentur beton.

Co-Authors Adam Creflo Rombe Arung, Melky Tandi Bangun, Budianto Bramana Tangkelayuk Datupuang, Ermita Desi Sandy Enrigue , Yeryel Ermita Datu Puang Frans Phengkarsa Harahap, Safinatul Hasanah Helen A.I. Sopacua Ika Tangma'ti Iwan Purnama Jonie Tanijaya Jonie Tanijaya Junus Mara Karel Tikupadang Liberty Juniasy Somalinggi Loryanti Elsandi Paranggai Luciana Buarlele Mara, Junus Marthen, Roi Mikel Paa Nobertus Rombe Seru Nobertus Rombe Seru Paa, Mikel Parangga, Loryanti Elsandi Pebrinar Riani Sangle Phengkarsa, Frans Pilo, Sindy Banna’ Putri Aisya Irwan Radjawane, Louise Elizabeth Roi Marthen Rombe, Adam Creflo Sandy, Desi Sangle , Pebrinar Riani Sindy Banna’ Pilo Singgih, Hanna Siregar, Dinaulina Songko, Imelda Srg, Fadila Mutia Suryanti Rapang Tonapa Syakila, Maysha Tangma'ti, Ika Tanijaya, Jonie Tikupadang , Karel Waluyo, Feri Wong, Irwan Lie Keng Yeryel Enrigue

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