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Melinda, Annisa Prita
Universitas Negeri Padang
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Studi Eksperimental Pemanfaatan Abu Cangkang Lokan Terhadap Kekuatan Beton Fahrul Hidayat; Annisa Prita Melinda
CIVED Vol 9, No 3 (2022): September 2022
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v9i3.118888

Abstract

Abstrak : Pembuatan beton yang terus menerus membutuhkan material yang sangat banyak sehingga membuat ketersediaan sumber daya alam menurun, sehingga perlu adanya alternatif bahan pengganti maupun bahan tambah untuk pembuatan beton. Limbah cangkang lokan dapat dijadikan sebagai bahan tambahan dalam pembuatan beton karena cangkang lokan mengandung senyawa CaO yang dapat dijadikan sebagai penguat pada beton. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penambahan abu cangkang lokan (ACL) sebagai bahan tambah terhadap kuat tekan, kuat lentur dan kuat geser pada beton. Metode yang digunakan pada penelitian ini adalah metode eksperimental. Presentase penambahan ACL yang digunakan pada penelitian ini sebesar 0%, 5%, 10% dan 15%. Berdasarkan hasil pengujian yang diperoleh dapat disimpulkan bahwa penambahan ACL dapat meningkatkan kuat lentur dan kuat geser balok, sedangkan pada hasil pengujian kuat tekan tidak ada peningkatan kekuatan beton. Adapun komposisi maksimum yang diperoleh yaitu pada penamabahan ACL sebesar 5% dan 10%.
ANALYSIS OF THE APPLICATION OF OCCUPATIONAL HEALTH AND SAFETY (OHS) CONSTRUCTION IN THE CONSTRUCTION PROJECT OF THE BRI PADANG CITY REGIONAL OFFICE BUILDING Satria Refindo; Annisa Prita Melinda
Jurnal Applied Science in Civil Engineering Vol 3 No 4 (2022): Jurnal Applied Science in Civil Engineering
Publisher : Teknik Sipil Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/asce.v3i4.57383

Abstract

The research that will be discussed is an analysis of the application of K3 construction and its obstacles to the BRI Bank regional office project. The results of observations in the field found several problems that could cause losses for both parties, this is related to the application of K3 to the project. The type of research to be carried out is a type of quantitative descriptive research. Researchers use the subjects of people as data for the research to be carried out, namely filling out questionnaires by staff or workers in the scope of the project, to determine the sample used purposive sampling technique with the use of the Slovin formula, the number of samples of 55 respondents was found. Before the research is carried out, it is necessary to test a questionnaire in the form of validity and reliability tests. In this study, we will use SPSS.26 and Excel 2010 programs to help process statistical data in research. After obtaining statistical data followed by data analysis, data analysis was carried out by indicators of research instruments that received scores, namely human resources 95.45%, equipment and work clothes 94.18%, Work Environment Health 89.09%, and work environment facilities 84.09%. Each indicator included in the score assessment is very effective. Barriers to K3 implementation by workers 10.55% and Barriers to K3 implementation by companies 20.73%. Each indicator is included in the score assessment Ineffective. In the application of K3, the highest percentage value is HR, while in the Obstacle to the highest percentage value, namely the Obstacle to the Implementation of K3 by the Company.
Application of ground penetrating radar for evaluating foundation structure condition after earthquake Apdeni, Risma; Citra, Zel; Rifwan, Fitra; Putri, Prima Yane; Sandra, Nevy; Malinda, Yosie; Wibowo, Paksi Dwiyanto; Ashadi, Reza Ferial; Melinda, Annisa Prita
Teknomekanik Vol. 7 No. 1 (2024): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v7i1.26772

Abstract

At the time of seismic activity, the failure of the foundation structure will lead to building damage. When the West Pasaman 2022 earthquake occurred, PT. XYZ is constructing a feed mill tower. Since strong earthquake shocks were felt at the project location, foundation structure evaluation is needed to ensure the safety of the building. Ground Penetrating Radar (GPR) is a tool that is widely used to detect subsurface conditions. This study used GPR as a non-destructive testing technique to evaluate the condition of the foundation structure. The building evaluated is a high-rise steel building, using spun pile foundation. GPR test was carried out in specified lanes, with measurement tracks set at 10 lanes. Any cracks or fractures on the foundation will be indicated by the interruption of waves at the point of the crack or fracture. The GPR test results from readings of electromagnetic wave propagation showed that waves can reach the end of each foundation tested, ranging from 17.10 m to 17.82 m deep. It means that there are no cracks or fractures found on the slab, pile cap, or foundation. Analysis results showed that all slabs and pile caps thicknesses and the detected foundation piles depths are in accordance with the foundation design, which means that the foundations are still in good condition.
STUDI KOMPARASI PERHITUNGAN BEBAN GEMPA STATIK EKUIVALEN MENGGUNAKAN SOFTWARE SAP 2000 DENGAN SNI 1726 2019 Yusmar, Fajri; Prita Melinda, Annisa; Sandra, Nevy
JURNAL TEKNIK SIPIL Vol 10, No 2 (2021): Volume 10 Nomor 2 November 2021
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jts.v10i2.22767

Abstract

Perkembangan tekonlogi komputasi telah memberikan kemudahan dalam perencanaan struktur untuk menghitung beban gempa yang bekerja pada struktur. Penelitian ini bertujuan untuk melakukan komparasi hasil perhitungan beban gempa statik ekuivalen menggunakan metode-metode yang ada pada SAP 2000, dengan perhi-tungan secara manual berdasarkan SNI 1726 2019. Penelitian dilakukan secara numeris menggunakan SAP 2000 dan perhitungan manual menggunakan persamaan gaya gempa pada SNI 1726 2019. Penelitian ini akan membandingkan base shear dan story shear pada sebuah bangunan lima lantai dengan konfigurasi bangunan yang simetris dan terletak dikota Padang. Hasil komparasi base shear menggunakan metode SNI 2716 2019 dan metode user load menghasilkan nilai yang sama, yaitu 2441,707 kN, sedangkan metode user coefficent dan metode ASCE 7-16 memiliki perbedaan nilai base shear 2,02% dan 2,11%. Untuk perhitungan story shear, metode SNI 1726 2019 dengan metode user load menghasilkan nilai yang hampir sama dengan selisih 0,002 s.d 0,004 %. Akan tetapi untuk story shear metode user coeficient dan ASCE 7-16 memberikan perbedaan untuk lantai 5, yaitu 7,25 dan 5,94 %, sedangkan untuk lantai 1 s.d lantai 4 perbedaan yang terjadi hanya 3,67 % s.d 2,70 %.Kata kunci : Gempa Statik Ekuivalen, SNI 1726 2019, SAP 2000
Studi Eksperimental Pemanfaatan Abu Cangkang Lokan Terhadap Kekuatan Beton Hidayat, Fahrul; Melinda, Annisa Prita
CIVED Vol. 9 No. 3 (2022): September 2022
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v9i3.333

Abstract

Pembuatan beton yang terus menerus membutuhkan material yang sangat banyak sehingga membuat ketersediaan sumber daya alam menurun, sehingga perlu adanya alternatif bahan pengganti maupun bahan tambah untuk pembuatan beton. Limbah cangkang lokan dapat dijadikan sebagai bahan tambahan dalam pembuatan beton karena cangkang lokan mengandung senyawa CaO yang dapat dijadikan sebagai penguat pada beton. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penambahan abu cangkang lokan (ACL) sebagai bahan tambah terhadap kuat tekan, kuat lentur dan kuat geser pada beton. Metode yang digunakan pada penelitian ini adalah metode eksperimental. Presentase penambahan ACL yang digunakan pada penelitian ini sebesar 0%, 5%, 10% dan 15%. Berdasarkan hasil pengujian yang diperoleh dapat disimpulkan bahwa penambahan ACL dapat meningkatkan kuat lentur dan kuat geser balok, sedangkan pada hasil pengujian kuat tekan tidak ada peningkatan kekuatan beton. Adapun komposisi maksimum yang diperoleh yaitu pada penamabahan ACL sebesar 5% dan 10%.
Experimental Study of Utilization Corn Weevil Ash Against Concrete Strength Putri, Fela Hanifa; Melinda, Annisa Prita; Putri, Prima Yane
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.458

Abstract

Concrete making that continues to develop rapidly requires quite a lot of materials, this leads to a decrease in natural resources available for concrete making purposes, so that the search for alternative materials as substitutes and added materials from other natural resources or artificial resources. One of the alternative added ingredients to be used is corn weevil. The purpose of this study was to determine the effect of corn weevil ash on compressive strength, bending strength and shear strength of concrete. The method used is an experimental method in quantitative data. The test objects made totaled 36 pieces with 12 cylinders measuring 15 x 30 cm and 24 blocks measuring 15 x 15 x 53 cm. With the results of the compressive strength test, it decreased along with the increase in the percentage of ABJ 0%, 5%, 10% and 15%, namely 24.08 MPa, 23.21 MPa, 20.22 MPa, 14.70 MPa. For strong bending results, there was an increase in the addition of ABJ 0%, 5% and 15%, namely 1.45 MPa, 1.65 MPa, 1.54 MPa, 1.56 MPa. And in the shear strength test, there was a maximum increase in the addition of a 10% ABJ percentage, which was 20.05 kN and a decrease in the addition of ABJ by 5% and 15%, namely 18.75 kN and 18 kN while for normal concrete it was 19.27 kN.
Co-Authors Abdullah, MT, Dr. Rijal Ashadi, Reza Ferial Citra, Zel Fahrul Hidayat Fahrul Hidayat Fitra Rifwan Fitrah, Ridho Aidil Fitrah, Ridho Aidil Jonni Mardizal Juliafad, Eka Laras Oktavia Andreas Malinda, Yosie Mizanuddin Sitompul Nevy Sandra Nofriadi Prima Zola Putri, Fela Hanifa Putri, Prima Yane Revian Body Rhini Wulan Dary Ridho Aidil Fitrah Risma Apdeni Satria Refindo Viola Paramita Susanti Wibowo, Paksi Dwiyanto Yusmar, Fajri