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All Journal Media Teknik Sipil Jurnal Konstruksia Semesta Teknika AGREGAT Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Buletin Profesi Insinyur OMNICODE Journal (Omnicompetence Community Developement Journal)
Dyah Pradhitya Hardiani
Program Studi Teknik Sipil, Universitas Muhammadiyah Banjarmasin
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Transportation Other

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Pengaruh Penambahan Serbuk Galam Sebagai Pengganti Agregat Halus Pada Campuran Beton Mutu Normal Anggarini, Elia Anggarini; Dyah Pradhitya Hardiani; M. Rizky Maulana Teguh
AGREGAT Vol 9 No 1 (2024)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v9i1.22342

Abstract

The utilization of waste from wood cuttings is uncommon, and one of the wastes that is rarely employed is the leftovers of galam wood or galam powder cuttings. On this basis, a study entitled "The Effect of Adding Galam Powder as a Substitute for Fine Aggregate in Normal Quality Concrete Mixtures" was carried out. In this study, the experimental approach was used as the research method. The percentage of galam powder waste in fine aggregate, which can range from 0% to 30%, is the independent variable in this study. Other aggregates, such as cement, fine aggregate, coarse aggregate, and water, are the study's dependent variables. The compressive strength of 28-day-old material in the normal combination has a compressive strength of 22.23 MPa, the V10 mixture has a compressive strength of 4.58 MPa, the V20 mixture has a compressive strength of 3.11 MPa, and the V30 mixture has a compressive strength of 1.41 MPa. Based on the findings, it can be concluded that using waste galam powder as a fine aggregate alternative has not been successful since the galam powder does not bind completely to the concrete
Analisis Faktor Keamanan Pada Permodelan Timbunan Yang Diperkuat Geogrid Di Atas Tanah Lempung Lunak Muzaidi, Irwandy; Anggarini, Elia; Hardiani, Dyah Pradhitya; Sriardi, Doni
AGREGAT Vol 9 No 1 (2024)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v9i1.22441

Abstract

The pile built on soft soil has a tendency to fail its submission (bearing failure). This is caused by soft soils to have a low carrying capacity to carry the burden of construction. If a pile must be built which must be completed in a relatively fast time and must be stockpiled on soft soil, can be overcome by reinforcing the soil using geogrid material so as to increase the carrying capacity of soft soil (bearing capacity) and stability of the pile. Analysis uses the element method to the help of plaxis software to find the value of safety, deformation, and voltage changes in the pile built on the soft soil strengthened by geogrid. From this study it was found that the Modeling Piles 2 without Geogrid got a SF 1,0668 value and using Geogrid got a SF 1,3349 value. The safety factor of the pile of land 2 is above 1.25 which means that landslides are rare even without geogrid or use geogrid.
Karakteristik Marshall Pada Campuran HRS-WC Menggunakan Pyrite Limbah PLTU Asam-Asam Kabupaten Tanah Laut Sebagai Pengganti Agregat Kasar Ruhaidani, Emma; Hardiani, Dyah Pradhytia; Anggarini, Elia
Konstruksia Vol 15, No 1 (2023): Jurnal Konstruksia Vol 15 No. 1 Tahun 2023
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jk.15.1.159-167

Abstract

Pyrite merupakan limbah batu bara yang berupa butiran – butiran seperti batu dengan ukuran 2 – 4 mm, Pyrite termasuk batu bara muda yang tidak bisa hancur dan dibakar dengan menggunakan alat coal crusher. Pyrite selama ini digunakan untuk campuran pembuatan paving block, batako, bata ringan, dan jalan beton. Tujuan penelitian ini untuk mengetahui karakteristik fisis dari limbah Pyrite, mengetahui hasil karakteristik Marshall  campuran pada aspal dengan penggunaan Pyrite 0%,5%, 10%, 25%, 50% dserta mengetahui kadar aspal optimum pada campuran aspal HRS – WC. Pada penelitian ini Pyrite dimanfaatkan sebagai bahan campuran agregat kasar pada campuran aspal HRS – WC diharapkan sebagai alternatif guna mengurangi limbah. Metode penelitian ini menggunakan metode eksperimen. Kadar aspal optimum yang digunakan adalah 5%, 5,5%, 6%, 6,5% dan 7%. Dari hasil pengujian bahan didapatkan nilai abrasi pyrite sebesar 38,9%, hal ini menunjukan bahwa pyrite termasuk material yang rapuh. Dari hasil penelitian didaptkan bahwa penggunaan pyrite sebesar 10% dari total agregat kasar menghasilkan nilai flow sebesar 4,4 mm, nilai MQ sebesar 289,44 kg/mm dengan kadar aspal optimum sebesar 5,4 – 7%.
Analysis of the Noise Level at the Muhammadiyah KH. Ahmad Dahlan S. Parman Complex, Banjarmasin Hardiani, Dyah Pradhitya; Ruhaidani, Emma
Semesta Teknika Vol 26, No 2 (2023): NOVEMBER
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v26i2.18664

Abstract

The traffic density in Banjarmasin will have an impact on the environment such as the noise which causes health problems to humans. The noise in the school area, it will damage for concentration of students, teaching and learning activities inefficient. The purpose of this study was to determine the noise level in the College Complex of Muhammadiyah K.H Ahmad Dahlan, Banjarmasin. Measurement is carried out at 4 points and used Sound Level Meter (SLM). Noise data processing is calculated by the equivalent noise level (Leq). The  results show that noise value exceeded the noise quality standard  according to the  Environmental Decree 1996 for noise levels in schools. The highest noise value reached 80.29 decibels while the lowest value was 63.04 decibels. Based on the results, it is necessary to reduce noise levels in this school area, so that teaching and learning activities can run properly.
Co-Authors Dyta Setiawati ELIA ANGGARINI Fitriansyah, Muhammad Ichwan Setiawan Ichwan Setriawan Irwandy Muzaidi M. Rizky Maulana Teguh Ruhaidani, Emma Sriardi, Doni