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All Journal Jurnal Teknik Sipil Jurnal Teknik Jurnal Ilmiah Universitas Batanghari Jambi Rancang Bangun Rang Teknik Journal Ensiklopedia of Journal TEKNIKA RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi Jurnal Teknik Sipil dan Teknologi Konstruksi JMTS: Jurnal Mitra Teknik Sipil Jurnal Civronlit Unbari Bandar: Journal of Civil Engineering Sultra Civil Engineering Journal (SCiEJ) Journal of Infrastructure and Civil Engineering Civil and Sustainable Urban Engineering Jurnal Sains dan Teknologi Jurnal Pengabdian Ensiklopedia Research and Community Service Review Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Jurnal Pengabdian Kepada Masyarakat Inovasi Teknologi Jurnal Pengabdian Kepada Masyarakat RADIAL: Jurnal Peradaban Sains, Rekayasa dan Teknologi
Mulyati, Ely
Universitas Bina Dharma Palembang
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Rancangan Fasilitas Tempat Penampungan Sampah di Jalan Pangeran Ratu B Kota Palembang Sandy, Listia Monica; ., Firdaus; Mulyati, Ely
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4071

Abstract

Population growth and urban activities in Palembang City have led to an increase in waste generation, particularly in the Jalan Pangeran Ratu B area, which has a high density of residential and commercial activities. The existing conditions show limitations in the capacity of temporary storage sites (TPS), designs that are not environmentally friendly, and low implementation of waste sorting at the source. This study aims to design a TPS facility that meets waste generation capacity needs, complies with technical standards, and supports sustainable waste management. The research methods include field observations, primary and secondary data collection, waste generation analysis using the formula Q = P × q, and TPS technical design. The analysis results show that the volume of waste generation in 2025 will reach 64.74 m³/day with an average growth rate of 13.4% per year and is projected to increase to 121.42 m³/day in 2030. The planned TPS is categorized as a Type II TPS with a capacity of 15–20 m³, equipped with a sorting area, drainage system, natural ventilation, and supporting facilities based on the 3R concept. This design is expected to improve the effectiveness of waste management, reduce environmental impact, and support the creation of a clean and sustainable urban environment.
ANALISIS FAKTOR PENYEBAB KETERLAMBATAN PROYEK KONSTRUKSI GEDUNG Ananda, Violita; Mulyati, Ely
Ensiklopedia of Journal Vol 8, No 2 (2026): Vol. 8 No. 2 Edisi 3 Januari 2026
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i2.3746

Abstract

Abstract: This study aims to analyze the factors that cause delays in the construction project of the Convention Hall Building at Politeknik Pariwisata Palembang. Construction project delays are common problems that can affect cost, quality, and project performance. This research employed a quantitative approach using primary data collected through questionnaires distributed to 41 respondents consisting of contractors, construction management, and related stakeholders. The data were analyzed using Structural Equation Modeling (SEM) based on Partial Least Square (PLS) with SmartPLS software. The results show that several factors significantly influence project delays, including labor, material, equipment, design, planning and implementation, financing, social environment, and managerial aspects. Among these variables, managerial and design factors were identified as dominant contributors to project delays. The findings of this study are expected to provide insights for project stakeholders in improving project management and minimizing construction delays in future projects.Keywords: Project Delay, Construction Management, SEM-PLS, Building Construction, Risk Factors. 
ANALISIS FAKTOR-FAKTOR PENYEBAB KETERLAMBATAN PROYEK KONSTRUKSI BANGUNAN RUMAH SUSUN MAHASISWA DI PALEMBANG Ananda, Kristian; Firdaus; Mulyati, Ely
JMTS: Jurnal Mitra Teknik Sipil Volume 9, Nomor 1, Februari 2026
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v9i1.36762

Abstract

The significant increase in the number of university students every year also has an impact on the increasing housing needs of students. The construction of student flats is a form of government support in order to facilitate the housing needs. However, during the implementation of construction projects, various problems often arise, one of which is delay, where this quantitative study aims to find out what factors have a significant influence on project delays. This study involved 30 samples (14 people from project owners, 9 people from construction management consultants, and 7 implementing contractors) as research respondents selected based on the purposive sampling method. The questionnaire data that has been collected is analyzed using descriptive statistics and analytical statistics of the PLS SEM analysis model using the SmartPLS 4 program. The results showed that the most influential causative factors were contractor management with a p value (0.000 > 0.005), statistical t-value (3.581 > 1.65), quality management control with a p value (0.000 > 0.005), statistical t-value (3.883 > 1.65), site characteristics with p value (0.009 > 0.005), statistical t-value (2.357 > 1.65), owner's personality with p value (0.037 > 0.005), statistical t-value (1.790 > 1.65),  and environmental factors with a p value (0.048 > 0.005) Statistical  t-value (1.670 > 1.65). Abstrak Peningkatan jumlah mahasiswa perguruan tinggi yang signifikan setiap tahun berdampak juga pada meningkatnya kebutuhan hunian mahasiswa. Pembangunan rumah susun mahasiswa merupakan bentuk dukungan pemerintah dalam rangka memfasilitasi kebutuhan hunian tersebut. Namun selama pelaksanaan proyek konstruksi sering kali muncul berbagai masalah salah satunya adalah keterlambatan, dimana studi kuantitatif ini bertujuan mengetahui faktor-faktor apa saja yang memiliki pengaruh signifikan terhadap keterlambatan proyek. Penelitian ini melibatkan 30 sampel (14 orang dari pemilik proyek, 9 orang dari konsultan manajemen konstruksi, dan 7 orang kontraktor pelaksana) sebagai responden penelitian yang dipilih berdasarkan metode purposive sampling. Data kuesioner yang telah dikumpulkan dianalisis menggunakan statistik deskriptif dan statistik analitik model analisis PLS SEM menggunakan program SmartPLS 4. Hasil penelitian menunjukkan bahwa faktor penyebab yang paling berpengaruh adalah manajemen kontraktor dengan nilai p value (0,000 > 0.005) nilai t statistik (3,581 > 1,65), pengendalian manajemen mutu dengan nilai p value (0,000 > 0.005) nilai t statistik (3,883 > 1,65), karakteristik tempat dengan nilai p value (0,009 > 0.005) nilai t statistik (2,357 > 1,65), kepribadian pemilik dengan nilai p value (0,037 > 0.005) nilai t statistik (1,790 > 1,65), dan faktor lingkungan dengan nilai p value (0,048 > 0.005) nilai t statistik (1,670 > 1,65).
ANALISIS STABILITAS LERENG DI JALAN NASIONAL PROVINSI SULAWESI TENGGARA, DI DESA RAWUA, KECAMATAN SAMPARA, KABUPATEN KONAWE Prastia, M. Yuda; Dewi, Anggi Purnama Sari; Mulyati, Ely
Rang Teknik Journal Vol 9, No 2 (2026): Vol. 9 No. 2 Juni 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v9i2.7906

Abstract

In Southeast Sulawesi, the Konawe Regency–Kendari City–Sampara District corridor experienced severe flooding in 2019, resulting in road inundation and multiple landslides, including a major failure at Km 22. This study investigates the mechanisms and contributing factors of the landslide by modeling the effects of river water level fluctuations, groundwater level changes, and scouring on slope stability using Slope/W software. The analysis reveals that rising river water levels increase the slope’s safety factor, whereas sudden drawdown conditions significantly reduce it, potentially triggering slope failure.Keywords: Failure, slope stability, Safety factor
PENGARUH PENGGUNAAN LIMBAH AMPAS TEBU (BAGASSE ASH) SEBAGAI BAHAN POZZOLAN PADA BETON RINGAN Alfain, M. Hifzni; Mulyati, Ely
Rang Teknik Journal Vol 9, No 2 (2026): Vol. 9 No. 2 Juni 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v9i2.7907

Abstract

This study aims to analyze the effect of using sugarcane bagasse ash (BA) as a partial substitute for cement in lightweight concrete mixtures. The experimental method was conducted with variations of BA substitution at 0% (normal), 2.5%, 3.5%, and 4.5% of the cement weight. The tests included slump test, compressive strength at 7, 21, and 28 days, and split tensile strength at 28 days. The results showed that the use of BA up to 4.5% still met the workability requirements according to SNI 1972:2008 with slump values ranging from 7.2-8.2 cm. The optimal compressive strength was achieved at 3.5% BA substitution with values of 8.77 MPa (7 days), 26.31 MPa (21 days), and 28.58 MPa (28 days), representing an increase of 14.8%, 9.0%, and 7.1% respectively compared to normal concrete. Similarly, the split tensile strength reached its highest value of 2.36 MPa at 3.5% BA substitution. The study concludes that 3.5% BA substitution is the optimal proportion for producing lightweight concrete with improved mechanical properties while maintaining good workability.Keywords: compressive strength, lightweight concrete, pozzolan, split tensile strength, sugarcane bagasse ash
PENGARUH PENGGUNAAN BIJI PLASTIK SEBAGAI SUBSTITUSI AGREGAT HALUS TERHADAP MUTU BETON RINGAN Arsyad, M. Rosihan; Mulyati, Ely
Rang Teknik Journal Vol 9, No 2 (2026): Vol. 9 No. 2 Juni 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v9i2.7909

Abstract

This research aims to analyze the effect of using recycled plastic granules as a partial substitute for fine aggregate on the mechanical properties of lightweight concrete, with the background of reducing the exploitation of natural aggregate and addressing plastic waste issues. The experimental method involved creating cylindrical concrete test specimens with a design strength of Fc' 25 MPa, which included normal concrete and concrete with fine aggregate substitution by plastic granules at 5%, 7.5%, and 10%. Test results showed that the optimal substitution occurred at 7.5%, which produced the highest compressive strength of 25.01 MPa at 28 days, exceeding normal concrete (24.06 MPa), while also providing optimal values for split tensile strength (2.55 MPa) and modulus of elasticity (24,958.55 MPa). While the 5% substitution still showed improvement, the 10% substitution actually caused a decrease in performance. It was concluded that the use of plastic granules as a substitute for fine aggregate up to 7.5% has the potential to produce more environmentally friendly lightweight concrete with better mechanical performance, while substitution above that level is no longer optimal.Keywords: Lightweight Concrete, Plastic Granules, Fine Aggregate Substitution, Compressive Strength, Split Tensile Strength, Modulus of Elasticity
ANALISIS CAMPURAN ASPAL AC-WC PG 76 DENGAN ADDITIONAL FILLER ABU BAMBU TERHADAP STABILITAS DAN KEPADATAN ASPAL Anggi Anggraini; Farlin Rosyad; Ely Mulyati
Ensiklopedia of Journal Vol 8, No 1 (2025): Vol. 8 No. 1 Edisi 1 Oktober 2025
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i1.3417

Abstract

Roads are essential land transportation infrastructure; therefore, the quality of pavement must be maintained to ensure optimal performance and service life. One approach to improving the quality of flexible pavement in the Asphalt Concrete-Wearing Course (AC-WC) layer is by utilizing alternative materials as filler. This study investigates the effect of adding bamboo ash as an additional filler in AC-WC mixtures with PG 76 asphalt on Bulk Density and Marshall Stability. Bamboo ash contains silica (SiO₂) and exhibits pozzolanic properties that have the potential to enhance mixture performance. The bamboo ash content variations used were 0%, 0.5%, 1.0%, 1.5%, and 2.0% by total aggregate weight. Testing was conducted using the Marshall Test method in accordance with the 2018 Bina Marga General Specifications, Revision 2. The results showed that adding 1.0% bamboo ash produced the highest Bulk Density value of 2.310 g/cc, while the highest Marshall Stability value was obtained at 0.5% with 1,168.3 kg. All mixture variations achieved residual Marshall Stability values above the minimum requirement (≥90%), with the highest value of 91.47% recorded at 0.5%. Based on the balance between density and stability, the optimal bamboo ash content as an additional filler in AC-WC PG 76 is in the range of 0.5%–1.0%..Keywords: PG 76 asphalt, AC-WC, bamboo ash, filler, stability, density.
ANALISIS CAMPURAN ASPAL AC-BC PG 76 DENGAN ADDITIONAL FILLER ABU BAMBU TERHADAP STABILITAS DAN KEPADATAN ASPAL Dwi Yanti; Farlin Rosyad; Ely Mulyati
Ensiklopedia of Journal Vol 8, No 1 (2025): Vol. 8 No. 1 Edisi 1 Oktober 2025
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i1.3416

Abstract

This research is an experimental study aimed at investigating the effect of bamboo ash filler on the characteristics of Asphalt Concrete-Binder Course (AC-BC) using PG 76 hard asphalt. The variations of bamboo ash filler used were 0%, 0.5%, 1%, 1.5%, and 2% of the total filler weight. The tests conducted included the Marshall test to obtain stability, flow, VIM, VMA, VFB, and density parameters. The results indicate that the addition of bamboo ash as a filler affects the characteristics of the mixture. The stability values still meet the 2018 Bina Marga specifications (revision 3), although a decrease was observed at certain levels. Bulk density fluctuated with the addition of filler, while VIM, VMA, and VFB values changed according to the bamboo ash content. Overall, bamboo ash can be considered as an alternative filler in AC-BC mixtures, provided that the optimum content is maintained to avoid reducing the mixture’s performanceKeywords: filler, bamboo ash, AC-BC, PG 76 asphalt, Marshall 
ANALISIS PENGGUNAAN POLDER DAN KOLAM RETENSI PADA KAWASAN TANJUNG SENAI KABUPATEN OGAN ILIR Rahmat Johar Syafei; Achmad Syarifudin; Ely Mulyati
Ensiklopedia of Journal Vol 8, No 1 (2025): Vol. 8 No. 1 Edisi 1 Oktober 2025
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i1.3405

Abstract

This study aims to analyze flood discharge characteristics based on hydrological data and to assess the effectiveness of implementing a polder and retention pond system for flood control. The research methods include hydrological analysis using maximum annual rainfall data (2010–2023) from the Meteorology, Climatology, and Geophysics Agency (BMKG), frequency and distribution analysis (Normal, Log Normal, Gumbel, and Log Pearson Type III), distribution suitability testing, rainfall intensity calculations using the Mononobe formula, and determining the planned discharge using the rational method. The analysis results indicate that the rainfall data conforms to a normal distribution with a mean of 469.43 mm and a standard deviation of 93.44 mm. The planned discharge for a 50-year return period is 0.70 m³/s. The planned capacity of the polder and retention pond is sufficient to accommodate this discharge, thus this system is considered effective in reducing flood risk in the study areaKeywords: Polder, Retention Pond, Flood, Hydrology, Tanjung Senai
HUBUNGAN ANTARA NILAI UNCONFINNED COMPRESSION TEST DENGAN LIQUID LIMIT (LL) DAN LIQUDITY INDEX (LI) Athiyah Saulawani; Ely Mulyati
Ensiklopedia of Journal Vol 8, No 1 (2025): Vol. 8 No. 1 Edisi 1 Oktober 2025
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/eoj.v8i1.3403

Abstract

Clay soil is a type of soil with high plasticity whose properties are strongly influenced by water content. The consistency of clay can be represented by the Liquid Limit (LL) and Liquidity Index (LI), while its strength is commonly evaluated using the Unconfined Compression Test (UCT), which is widely applied in geotechnical analysis. This study aims to analyze the relationship between UCT values and soil consistency index parameters (LL and LI). Soil samples were taken from three different locations and compacted according to the Standard Proctor test as a reference for preparing unconfined compression test specimens. The test results show that the LL values at the three locations were 56.37%, 60.91%, and 42.43%, while LI values ranged from -0.47 to -0.04, indicating soil conditions from dense to slightly plastic. The unconfined compressive strength (qu) at the optimum water content was 14.91 kg/cm² at Location 1, 12.50 kg/cm² at Location 2, and 13.20 kg/cm² at Location 3. Correlation analysis indicates a weak relationship between qu and LL, while qu and LI exhibit a relatively high R² value. However, due to the very limited amount of data, the relationship between these parameters cannot yet be conclusively determined.Keywords: Clay soil, Unconfined Compression Test (UCT), Liquid Limit (LL), Liquidity Index (LI), Compaction
Co-Authors ., Sonia Aang Samudra Abdi Rachman Sidiq Abi Hendratno Achmad Syarifudin Achmad Syarifudin, Achmad Agung Nusantara Akbar, Muhammad Gumilar Akhmad Khanif Berliana Alfain, M. Hifzni Amelia, Dessy Ananda, Kristian Ananda, Violita Anggi Anggraini Anna Emilawati Ari Ramadan Armahedi, Aldi Arsyad, M. Rosihan Asri Friantori, Mohammad Athiyah Saulawani Bayu Idul Putra Bimantara, Prans Bintang, Trya Desti Mandasari Putri Dewi, Anggi Purnama Sari Dicky, Achmad Dwi Yanti Emiliawati, Anna Ersa Utami, Wahdana Fahreza, Rego Farlin Rosyad Farlin Rosyad Firdaus Firdaus . Gamara, M. Rizky Rewa Kiki Natalia Kurnia, Dwi Lisiana, Rani Mazpar, Ely Mery Anggriani Mery Anggriani Monica, Gita Farera Nadia Meilani Nurhasanah Nurhasanah Prastia, M. Yuda Prawira, Wanda Yudha Rahmat Johar Syafei Renaldi, Gilang Rizki Hidayat, M. Noor Rosyad, Farlin Sakinah Sakinah SANDY, LISTIA MONICA Saputra, Ksatria Simangunsong, Yoel Febrian Sonia Wulandari, Tanti Yendri, Okma