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All Journal Jurnal Teknik Sipil Rancang Bangun Ensiklopedia of Journal TEKNIKA RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi Jurnal Civronlit Unbari Sultra Civil Engineering Journal (SCiEJ) Jurnal Pengabdian Ensiklopedia Research and Community Service Review Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer 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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ANALISIS CAMPURAN ASPAL AC-WC PG 76 DENGAN ADDITIONAL FILLER ABU BAMBU TERHADAP STABILITAS DAN KEPADATAN ASPAL Anggraini, Anggi; Rosyad, Farlin; Mulyati, Ely
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.
PENGARUH PEMADATAN TERHADAP KARAKTERISTIK KUAT GESER TANAH LEMPUNG EKSPANSIF Simangunsong, Yoel Febrian; Mulyati, Ely; Pramudwitya, Petrus Kanisius Tegar
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.v8i1.3404

Abstract

Soil is one of the primary materials in construction, serving as the medium that supports the loads of buildings and other infrastructure. The stability of the structures built on it greatly depends on the physical and mechan- ical properties of the subgrade soil. However, not all soils possess characteristics that are ideal for construc- tion. One type of soil that often poses technical problems is expansive clay. This soil is known for its tendency to swell when wet and shrink when dry due to its high content of active clay minerals. Not all soils are suitable for use in construction, as some subgrade types have issues related to both bearing capacity and settlement (Lestari & Lestari, 2014). Therefore, expansive clay requires special treatment before it can be used as a construction medium. One common technique for improving soil properties is compaction (Diana et al., 2022). Compaction is carried out to increase the dry unit weight of the soil, reduce porosity, improve bearing capac- ity, and minimize the potential for volume change due to variations in water content. In general, compaction alters several soil characteristics, such as dry density, void ratio, shear strength parameters, and soil volume (Lubis, 2007). Through compaction, it is expected that the soil will become more stable both structurally and mechanically. To determine the optimal compaction condition, a laboratory test known as the Standard Proctor Test is conducted. On the other hand, to assess the extent of improvement in the mechanical properties of soil after compaction, a shear strength test such as the Unconfined Compression Test (UCT) is used. UCT is a simple method for measuring the strength of cohesive soils without the application of confining pressure. Shear strength is the soil's ability to resist shear stress when subjected to loading (Agustina & Elfrida, 2019). Through this test, the value of Unconfined Compressive Strength (qu) can be obtained, which can then be used to determine the undrained shear strength (su) of the soil. The combination of the Standard Proctor Test and the Unconfined Compression Test becomes essential in analyzing the relationship between compaction level and the shear strength characteristics of expansive clay. Water content during compaction plays an important role in determining the values of unconfined compressive strength and shear strength. Expansive clay samples compacted at optimum moisture content (OMC) using the Standard Proctor method yield the highest compres- sive and shear strength values (Yunus & Annisa, 2023). Keywords: Compaction, Shear Strength, Expansive Clay Soil, Water Content
ANALISIS CAMPURAN ASPAL AC-BC PG 76 DENGAN ADDITIONAL FILLER ABU BAMBU TERHADAP STABILITAS DAN KEPADATAN ASPAL Yanti, Dwi; Rosyad, Farlin; Mulyati, Ely
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 Syafei, Rahmat Johar; Syarifudin, Achmad; Mulyati, Ely
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
PERBANDINGAN NILAI EKSPANSIF TANAH BERDASARKAN HASIL INDEX PROPERTIES DAN 1-D FREE SWELL TEST Pironika, Tarisa; Mulyati, Ely
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.v8i1.3414

Abstract

Expansive soil is a type of soil that is susceptible to significant volume changes due to fluctuations in water content. This study aims to analyze the comparison of the expansive soil values based on the Index Properties results and the 1-D Free Swell Test with variations in bentonite mixture of 0%, 30%, 40%, 50%, 60%, and 100%. The observed parameters include the liquid limit (LL), plasticity index (PI), and the expansion value from the 1-D Free Swell Test. The test results show that the addition of bentonite significantly increases the plasticity of the soil. The LL value increased from 56.37% at 0% bentonite to 114.33% at 100% bentonite, while the PI value increased from 34.77% to 92.72%. Based on classification, soil with a bentonite mixture ≥30% is categorized as very high. Meanwhile, the results of the 1-D Free Swell Test show a relatively small expansion variation, namely 2.91%–3.76%, with a classification of low to medium expansion potential.Effective Index Properties are used as an early indicator for the identification of expansive soil, while the 1-D Free Swell Test is more representative in describing the actual development potential in the field.Keywords: expansive soil, bentonite, index properties, free swell test
ANALISIS KINERJA SIMPANG DI JALAN H.M NOERDIN PANDJI Gamara, M. Rizky Rewa; Rosyad, Farlin; Syarifudin, Achmad; Mulyati, ely
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.v8i1.3425

Abstract

Jalan Baru Intersection on Jalan H.M. Noerdin Pandji, Palembang, is a signalized intersection connecting strategic areas such as shopping centers, residential zones, and access to Sultan Mahmud Badaruddin II Airport. High traffic volumes during peak hours often cause congestion, making it necessary to analyze the intersection’s performance. This study aims to assess the existing conditions and evaluate the intersection’s performance through an intersection inventory survey, classified turning movement count, and cycle time survey, supported by secondary data from relevant agencies. Analysis was conducted using peak hour traffic volume data (07:00–08:00 WIB) totaling 10,412 vehicles/hour. Results show the highest traffic volume on Jalan Pangeran Ayin at 3,662 pcu/hour and the lowest on Jalan Sako Baru at 1,375 pcu/hour. The average queue length reached 83.41 meters, with the longest queue at 120 meters. The average delay was 56.9 seconds/pcu, categorized as LOS E, indicating near-saturated flow with moderate to high delays. Overall, the intersection can still accommodate peak hour traffic, but performance is declining on certain approaches, particularly Jalan Pangeran Ayin and Jalan Sako Baru.Keywords: Intersection Performance, Traffic, LOS, Congestion, Palembang
PERBANDINGAN DISTRIBUSI UKURAN BUTIRAN TANAH MENGGUNAKAN METODE KERING (DRY SIEVING) DAN BASAH (WET SIEVING) Ersa Utami, Wahdana; Mulyati, Ely
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.v8i1.3412

Abstract

Penelitian ini bertujuan untuk membandingkan distribusi ukuran butiran tanah yang diperoleh melalui metode pengayakan kering (dry sieving) dan pengayakan basah (wet sieving). Pengujian dilakukan pada tiga sampel tanah berjenis clay yang diambil dari lokasi berbeda. Metode dry sieving dilakukan tanpa perlakuan pencucian sehingga seluruh fraksi butiran, termasuk partikel halus, tetap terukur. Sebaliknya, metode wet sieving menggunakan pencucian dengan air sehingga partikel halus (<0,075 mm) terbilas dan terpisah dari sampel. Hasil analisis menunjukkan bahwa metode dry sieving menghasilkan persentase fraksi halus yang lebih tinggi dibandingkan wet sieving. Perbedaan ini disebabkan oleh hilangnya partikel lanau dan lempung pada proses wet sieving. Parameter gradasi yang dihitung, seperti koefisien uniformitas (Cu) dan koefisien kelengkungan (Cc), menunjukkan bahwa sebagian besar sampel tergolong pasir bergradasi baik (well graded sand) dengan kandungan fraksi halus rendah. Perbedaan distribusi ukuran butiran antara kedua metode memiliki implikasi penting terhadap interpretasi sifat fisik dan mekanik tanah, terutama terkait permeabilitas dan sifat kohesi. Kata Kunci: Distribusi ukuran butiran, dry sieving, wet sieving, gradasi tanah, sifat fisik tanah
ANALISIS PENATAAN PARKIR KAWASAN PERKANTORAN PEMERINTAH KOTA PALEMBANG DI RUAS JALAN MERDEKA Rusedky, Muhammad; Rosyad, Farlin; Prawira, Wanda Yudha; Mulyati, Ely
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.v8i1.3421

Abstract

The increasing population and vehicle ownership in Palembang City, particularly in the Government Office area along Jalan Merdeka, have caused significant parking shortages. This situation forces many vehicles, both from employees and visitors, to use on-street parking, which disrupts traffic flow. This study aims to analyze parking characteristics, including volume, accumulation, duration, turnover rate, parking index, current parking demand, and projections for the next five years, as well as to identify effective parking arrangement alternatives. The research method involved a five-day field survey on weekdays at three main locations, measuring existing parking capacity, recording vehicle entries and exits, and analyzing parking characteristics based on the Technical Guidelines for Parking Facility Management (Directorate General of Land Transportation, 1996). The results indicate that the existing parking capacity does not meet the standard Space Unit for Parking (SRP), with an average parking index exceeding 100% for both two-wheeled and four-wheeled vehicles. This condition highlights the urgent need for additional or optimized parking spaces. Recommended solutions include developing centralized parking facilities, implementing multi-story or mechanical parking systems, and applying scheduled parking management to improve efficiency and reduce congestion. Keywords : Parking, Capacity, Parking Index, On-Street Parking
HUBUNGAN ANTARA NILAI UNCONFINNED COMPRESSION TEST DENGAN LIQUID LIMIT (LL) DAN LIQUDITY INDEX (LI) Saulawani, Athiyah; Mulyati, Ely
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
ANALISIS CAMPURAN ASPAL AC-WC PG 76 DENGAN ADDITIONAL FILLER ABU BAMBU TERHADAP FLEKSIBILITAS DAN DURABILITAS Sidiq, Abdi Rachman; Rosyad, Farlin; Mulyati, Ely
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.v8i1.3415

Abstract

Highways are an essential land transportation infrastructure, and the quality of pavement must be maintained to ensure performance and service life. One effort to improve the quality of flexible pavement on the Asphalt Concrete-Wearing Course (AC-WC) layer is by utilizing alternative materials as filler. This study examines the effect of adding bamboo ash as an additional filler in AC-WC mixtures with PG 76 asphalt on flexibility (flow) and durability (Marshall Retained Stability). Bamboo ash contains silica (SiO₂) and exhibits pozzolanic properties, which 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 the total aggregate weight, with testing conducted using the Marshall Test method. The results showed that the addition of 0.5% bamboo ash increased the flow value from 3.32 mm to 3.52 mm, while further additions above this level did not result in additional flexibility improvement. All mixture variations had Marshall Retained Stability values above the minimum requirement of PU Bina Marga 2018 Revision 2 (≥90%), with the highest value recorded at 0.5% (91.47%). Based on the balance between flexibility and durability, the optimal bamboo ash filler content for AC-WC PG 76 is 0.5%.Keywords : AC-WC, bamboo ash, PG 76 asphalt, flexibility, durability, Marshall Test.
Co-Authors Aang Samudra Abi Hendratno Achmad Syarifudin, Achmad Agung Nusantara Akhmad Khanif Berliana Alfain, M. Hifzni Anggi Anggraini, Anggi Anna Emilawati Ari Ramadan Bimantara, Prans Desti Mandasari Putri Dicky, Achmad Dwi Yanti Emiliawati, Anna Ersa Utami, Wahdana Farlin Rosyad Firdaus Gamara, M. Rizky Rewa Kiki Natalia Lisiana, Rani Mazpar, Ely Meilani, Nadia Mery Anggriani Mery Anggriani Monica, Gita Farera Nurhasanah Nurhasanah Nurhasanah Nurhasanah Pironika, Tarisa Pramudwitya, Petrus Kanisius Tegar Prans Bimantara Prawira, Wanda Yudha Rani Lisiana Renaldi, Gilang Rizki Hidayat, M. Noor Rosyad, Farlin Rusedky, Muhammad Sakinah Sakinah Saputra, Ksatria Saulawani, Athiyah Sidiq, Abdi Rachman Simangunsong, Yoel Febrian Sonia Syafei, Rahmat Johar Tegar Pramudwitya, Petrus Kanisius Yendri, Okma