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All Journal Syntax Literate: Jurnal Ilmiah Indonesia Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Jurnal Talenta Sipil
Hartini Hartini
Universitas Muhammadiyah Palembang, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences Transportation Other

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Kuat Geser Tanah Gambut Berserat di Kabupaten Ogan Ilir Hartini Hartini; Yulindasari Sutejo; Febrian Hadinata
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (354.093 KB) | DOI: 10.36418/syntax-literate.v7i9.9325

Abstract

The peat soil used in this research is fibrous peat soil. The block sampling method was carried out to obtain undisturbed soil samples. The sample locations are from Tanjung Pule Village and Bakung Village, Ogan Ilir Regency. The property index and classification tests include: water content (w), specific gravity (Gs), acidity (pH), ash content (AC), organic content (OC), and fiber content (FC). The parameters of the peat soil shear strength were obtained from the Triaxial UU and Vane Shear tests. Test results in Bakung Village: 693.14 %, Gs = 1.79, pH = 3.01, e = 9.95, b = 12.74 kN/m3, d = 1.61 kN/ m3 OC = 96.60%, AC = 3.3%, and FC = 27.14 %. Test results in Tanjung Pule Village: = 714,77 %, Gs = 1,72, pH = 4,14, e = 13,06, gb = 9,78 kN/m3, gd = 1,11kN/m3, OC = 93.00 %, AC = 7 %, and FC = 36.35 %. Fiber content (FC) in Bakung and Tanjung Pule villages is > 20 %, so it is classified as fibrous peat soil. Triaxial test results obtained shear strength values ​​t =10.72 kPa (Bakung Village) and t =11.62 kPa (Tanjung Pule Village). While the results of the Vane Shear test in Bakung Village, Su = 11.39 kPa and Tanjung Pule Village, Su = 14.31 kPa. Keywords: Peat Soil, Shear Strength, Triaxial, Vane Shear
Pengaruh Penambahan Soil Stabilizer Sebagai Bahan Stabilitas Tanah Lempung dengan Pengujian Standard Proctor dan Unconfined Compressive Test Martini, R.A. Sri; Hartini, Hartini; Agusri, Erny; Natasya, Travela Virnanda; Khanza, Ayu Kamila
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 10, No 1 (2025): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v10i1.9869

Abstract

The clay soil used in this study came from Tebing Kawat Village, Talang Ubi District, Pali Regency, South Sumatra Province. The soil sample used was disturbed soil. Soil Stabilizer was used as a mixture to increase the bearing capacity of the soil with a mixture variation of 0%, 6%, 12%, and 18% with a curing time of 0, 7, 14 days in the compaction test (standard proctor) and unconfined compressive strength (unconfined compressive test). Soil property index tests include water content (w), specific gravity (Gs), liquid limit (LL), plastic limit (PL), sieve analysis soil volume weight test mechanical tests include compaction tests (standard proctor) and unconfined compressive strength tests (unconfined compressive test). From the test results obtained the value of the original soil water content of 37.87% the value of the water content after being given a mixture of 28.71%, 19.865%, 13.66%, the specific gravity of the original soil 2.59, the specific gravity after being given a mixture of 2.62, 2.67, 2.74, the liquid limit of the original soil was obtained 48.89 after being given a mixture to 46.67, 43.49, 39.06, while the plastic limit test of the original soil 38.83 given a mixture decreased 32.72, 26.12, 17.84. The results of the sieve analysis of the percentage passing sieve No. 200 with the addition of soil stabilizer made the soil condition granural while the saturation and porosity values were 111.60% and 42.90%, meanwhile the results of the maximum dry volume weight compaction test at 14 days of curing time were 1.452 with a mixture of 18% and the optimum water content decreased by 37.53% to 27.53% with a mixture of 18%, the qu value was 1.9425 and cu was 0.97125 at a mixture of 18%.
Karakteristik Sifat Kuat Geser Tanah Gambut di Wilayah Rawa Melalui Analisis Hasil Uji Triaksial Hartini, Hartini; Sutama, Adji; Arfan, Muhammad
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 10, No 2 (2025): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v10i2.10542

Abstract

The characteristics of peat soil are different from clay soil. Physically it has a high water content, large pore number, has organic material content, the presence of fibers in peat soil, while technically it has high compression and low shear strength. This study was to determine the shear strength of peat soil in North Indralaya in Bakung and Tanjung Pule villages. The soil sample used was undisturbed soil. The tool used was a triaxial test tool with CU conditions. The soil sample had a diameter of 35 mm and height of 70 mm with a sample depth of 50 cm. The sampling method used was the block sampling method. From the results of the study, it was found that the greater the isotropic consolidation stress given to the test sample, the greater the deviator stress that arose. The cohesion value was 14–22 kPa, the friction angle was 7°–8°, for effective soil 15–25 kPa. The effective internal friction angle was 7°–9°. Meanwhile, the largest peat soil shear strength value is in Tanjung Pule village with a total shear strength value of 22.636 kPa and an effective shear strength of 26.166 kPa, while Bakung village has a total shear strength of 15.593 kPa and an effective shear strength of 18.273 kPa.
Simulasi dan Pemetaan Banjir 1D dan 2D di Wilayah Hilir Sub-Das Lambidaro Menggunakan HEC-RAS Ade Tricia Miranda; Hartini Hartini; Adji Sutama; Marice Agustini
Jurnal Talenta Sipil Vol 9, No 2 (2026): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i2.1351

Abstract

Flooding is one of the most destructive natural disasters and frequently occurs in densely populated residential areas located in lowland regions. Lowland areas with high population density generally have low infiltration capacity and high surface runoff, causing flooding to occur repeatedly during rainfall events. Palembang City is predominantly situated in lowland areas and has a relatively high population density. The downstream area of the Lambidaro sub-watershed is one of the densely populated lowland regions in Palembang City, making it highly vulnerable to flooding during rainfall events with certain intensities. This study aims to simulate and map flooding in the downstream area of the Lambidaro sub-watershed using the HEC-RAS program, in which flood discharge was first analyzed using the Nakayasu Synthetic Unit Hydrograph (HSS) method. Based on the flood analysis using the Nakayasu Synthetic Unit Hydrograph (HSS) method, a simulated peak flood discharge of 57.17 m³/s was obtained from the maximum effective rainfall during the observation period from January 1, 2026 to April 9, 2026, with an effective rainfall value of 43.376 mm. In this study, rainfall data were obtained from NASA POWER Data Access Viewer (DAV) satellite data, which were utilized as satellite-based rainfall estimation data for daily hydrological analysis while considering the limitations of the data and the need for verification using local observational records. Based on the 1D and 2D simulations using the HEC-RAS program, flooding in the downstream area of the Lambidaro sub-watershed was predominantly concentrated in areas surrounding the Lambidaro River, with floodwater depths reaching up to 0.73 meters.
Evaluasi Kapasitas Drainase di Jalan Mayjen HM Ryacudu Kota Palembang Menggunakan Pemodelan EPA SWMM Ade Tricia Miranda; Hartini Hartini; Adji Sutama; Marice Agustini
Jurnal Talenta Sipil Vol 9, No 2 (2026): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i2.1352

Abstract

Flooding is a natural disaster that significantly disrupts human activities. The occurrence of flooding is closely related to drainage problems, as rainwater runoff requires a drainage system capable of collecting and conveying runoff water to drainage outlets. Jalan Mayjen HM Ryacudu in Palembang City frequently experiences flooding, even though the existing drainage system has an outlet that directly discharges into the Musi River. This study evaluated the drainage capacity along Jalan Mayjen HM Ryacudu due to the persistent flooding occurring in the area. The purpose of this evaluation was to determine an appropriate drainage capacity within the study area as a mitigation measure against flooding. The evaluation was conducted by simulating rainfall runoff using the EPA SWMM program. The results of the EPA SWMM modeling indicate that the existing drainage capacity is still unable to optimally accommodate and convey rainwater runoff, resulting in inundation at several locations along Jalan Mayjen HM Ryacudu. The mitigation scenario through drainage dimension optimization showed that modifying the drainage channels to a uniform size of 1.2 × 1.2 meters was able to eliminate flooding indications in the EPA SWMM simulation results.
Co-Authors Ade Tricia Miranda Adji Sutama Agusri, Erny Febrian Hadinata Khanza, Ayu Kamila Marice Agustini Martini, R.A. Sri Muhammad Arfan Natasya, Travela Virnanda Yulindasari Sutejo, Yulindasari