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Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS)
Published by Universitas Kadiri
ISSN : -     EISSN : 26217686     DOI : http://dx.doi.org/10.30737/jurmateks
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Transportation
JURMATEKS (Jurnal Mahasiswa Teknik Sipil) diterbitkan oleh Program Studi Teknik Sipil, Fakultas Teknik, Universitas KADIRI untuk menampung hasil penelitian, tugas akhir maupun tugas proyek mahasiswa teknik sipil di lingkungan Universitas KADIRI.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 9 Documents
 1 
Search results for , issue "Vol. 7 No. 2 (2024): DECEMBER" : 9 Documents clear
Analisis Ketidakberaturan Horizontal Struktur Rangka Gedung Oval Dengan Pushover Analysis Pada Rumah Sakit UPT Vertikal Surabaya Safriana Wahdi, Yudha; Kartini, Wahyu; Dwi Puspitasari, Nia
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6194

Abstract

Building A at the Surabaya UPT Vertical Hospital is an example of using limited land to meet space needs. However, the oval shaped geometry of the building causes the frame structure to be different from usual. This changes in geometry has an impact on the occurences lateral and mass irregularities in the building structure. This study aims to analyze the stability and performance of oval structures by considering the influence of earthquake loads. The capacity level of structure is evaluated using the Performance Based Design method. This method involves conducting a Pushover Analysis by applying a predefined lateral dynamic load to the structure and gradually  increasing it until the structure reaches its maximum capacity, ultimately leading to the structural failure. The results of this research obtained a ductility value of 1.21 for the X axis and 1.46 for the Y axis, this value makes the structure classified as partially ductile and not fully ductile. The performance level of the structure on the longitudinal axis (X) is 0.002 and on the transverse axis (Y) is 0.0019, so the structure is classified as SP-1 Immediate Occupancy, which means that the damage caused is not dangerous even if an earthquake occurs. The results of this research can be used as a guide in planning and evaluating oval or other irregular building structures, especially for vital buildings in areas with high earthquake risk.
Perencanaan Sistem Penyaliran Tambang Batubara Sump RL 16 HW Barat Pit Tutupan, PT Pamapersada Nusantara, Kalimantan Selatan Simamora, Eprilia; Nurcholis, Mohammad; Ardian, Aldin; Luwik Djanas Usup, Hepryandi
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6284

Abstract

The coal mining activities conducted by PT Pamapersada Nusantara in the Pit Tutupan, South Kalimantan, employ an open pit mining system. This method creates exposed working surfaces that can accumulate rainwater runoff. This study aims to design a drainage system to manage water control in the western high wall area of RL 16, considering the impact of mining progression. The planning involves calculations for scheduled rainfall, rainfall intensity, estimated water discharge, open channel dimensions, culvert, and the number of pumps required to manage water in the pit sump. Using the Log Pearson III distribution, planned rainfall is determined at 101.499 mm for a 2-year return period and 134.782 mm for a 5-year return period. The rain catchment area at the research site in Sump RL 16 HW Barat is 84.83 hectares. The proposed trapezoidal channel design accommodates varying water discharges: 4.47 m³/s, 5.04 m³/s, 8.75 m³/s, 7.87 m³/s, 7.20 m³/s, and 3.77 m³/s for tertiary, secondary, and primary channels. The sump is designed to store two days’ worth of rainfall, with a capacity of 186,516 m³. Excess water is pumped to an external drainage system and settling pond using a Direct Multistage Pump system. The primary pump planned is the Multiflo 420 EX, complemented by a Warman 8/6 AH booster pump. Both pumps utilize TYCO PE100 HDPE pipes, ensuring efficient water transfer to the drainage system and settling pond, optimizing mine water management. The research results can be a reference for planning mine drainage systems with similar characteristics.
Alternatif Perencanaan Oprit Jembatan Batanghari (STA 15+750) di Jalan Tol Ruas Jambi – Rengat Irfanil Azami, Fikri; Lastiasih, Yudhi
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6288

Abstract

Batanghari Bridge is part of the Jambi-Rengat Toll Road, faces significant challenges due its clay as the topsoil and dominant stratigraphy of sand. These contdition lead to high settlement potential and stability issues under heavy loads, requiring innovative to enhance stability and control costs. This study aims to evaluate the effectiveness of a combination of mortar foam and ordinary soil on at the Batanghari Bridge (STA 15+750). Observations were made at 2 abutments. Embankment material variation include 100% ordinary soil, 100% mortar foam, and combinations of 25%, 50%, and 75%. Results reveal that land subsidence from embankment loads and mortar foam remains high, necessitating alternative treatments. The findings indicate that for Abutment 1 benefits from Prefabricated Vertical Drain (PVD) and geotextile reinforcement, combined with 75% ordinary soil and 25% mortar foam. This approach reduces load and enhances stability at a cost of Rp29,045,321,602. Conversely, Abutment 2, with a 3-meter soft soil depth, achieves optimal results using 100% ordinary fill soil with replacement and geotextile reinforcement, costing Rp22,403,576,498. It was found that the differences in effective methods at Abutment 1 and Abutment 2 were caused by variations in subgrade conditions and soft soil depth at both locations. The study highlights the importance of tailoring embankment material and soil improvement methods to specific subgrade conditions. By demonstrating the effectiveness of combining material variations with soil improvement techniques, the findings contribute significantly to geotechnical engineering, offering practical, cost-efficient strategies for similar infrastructure projects    
Studi Eksperimental High Volume Fly ash Self-Compacting Concrete (HVFA SCC) dengan Penambahan 5% Silica Fume terhadap Sifat Reologi dan Mekanik Tiorivaldi, Tiorivaldi; Putra Abriantoro, Adji
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6319

Abstract

The development of concrete technology is an important part of supporting sustainable development. This development not only focuses on easy and efficient working methods, but also encourages the use of environmentally friendly materials such as fly ash and silica fume. This research aims to investigate the effect of varying fly ash content with the addition of silica fume on the mechanical and rheological properties of High Volume Fly ash Self-Compacting Concrete (HVFA SCC). Variations in fly ash content (0%, 50%, 55%, 60%, and 65%) with the addition of 5% silica fume. The parameters evaluated include flowability, compressive strength, and permeability.  Optimal flowability (750 mm) was achieved at 50–55% fly ash, making it suitable for complex structural applications. Compressive strength peaked at 48.7 MPa with 50% fly ash due to a balance of cement hydration and pozzolanic reactions, while higher fly ash content led to slight reductions. Permeability significantly decreased as fly ash content increased, from 84.1 mm at 0% fly ash to 6.08 mm at 65%, indicating enhanced matrix densification and water resistance due to fly ash's filler effect and pozzolanic activity. The study concludes that 50% fly ash offers the optimal balance, achieving a flowability of 720 mm, compressive strength of 48.7 MPa, and permeability of 58.7 mm. This research shows the potential of fly ash and silica fume as complementary materials to improve the performance of SCC, while recommending a balanced mix design between workability, strength and durability, supporting the development of environmentally friendly and sustainable concrete
Analisis Pengaruh Infiltrasi Hujan Terhadap Stabilitas Lereng STA 62+450 S/D 62+825 Jalan Tol Seksi Sp. Indralaya – Prabumulih Dengan Software Geo Studio Oktaliyani, Tiara; Soemitro, Ria Asih Aryani; Satrya, Trihanyndio Rendy
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6330

Abstract

The construction of the Indralaya-Muara Enim Interchange Toll Road, especially the Indralaya-Prabumulih Interchange Section, was hampered by landslides after excavation was carried out between STA 62+450 to 62+825. The combination of steep slopes and rain infiltration weakened the soil structure, increasing the risk of landslidesThis research aims to analyze the effect of rainwater infiltration on slope stability on the Sp Section Toll Road Project. Indralaya–Prabumulih. The research methodology used was to analyze landslide slope areas using the Slope/W and Seep/W programs from Geo Studio. This study evaluated different excavation heights and an initial excavation slope of 1:3. The focus is on calculating the safety factor (SF) at varying rain durations (1 hour, 3 hours, and 5 hours), with SF values below 1.5 indicating instability. The Safety Factor (SF) value of the existing soil before excavation was 1.58, but after 1 hour of rain, the SF decreased to 1.33 (15.66% decrease). After 3 hours, SF dropped to 1.13 (28.34% decrease), and reached 1.10 (30.24% decrease) after 5 hours. Strengthening slopes using the Hydroseeding method increases SF to 1.83, while the use of Retaining Wall increases SF more significantly to 2.54. This research reveals the impact of rain infiltration on soil stability and proves the effectiveness of slope strengthening methods. These results are an important basis for planning effective landslide mitigation on toll road excavations.
Analisis Alternatif Kelongsoran Bendungan Ameroro Pada Batuan Sekis Dengan Metode Elemen Hingga Setiawan, Herdy; Rendy Satrya, Trihanyndio
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6324

Abstract

The geological characteristics of Ameroro Dam,  dominated by schist metamorphic rocks, make this highly vulnerable to weathering, leading to reduced material strength and slope stability. This is exacerbated by rain infiltration which increases pore water pressure and earthquake loads which can trigger soil mass movement, causing a decrease in the slope safety factor.This study aims to evaluate the effect of a combination of environmental factors on slope stability using the finite element method. The research utilizes Plaxis 2D software to simulate various slope conditions under different scenarios, including static conditions, rain infiltration, and seismic loads. The results indicate that Under static conditions, the SF was 2.204, which decreased to 1.867 after rain infiltration, highlighting the adverse impact of water infiltration. To address these challenges, different reinforcement strategies were evaluated. The most effective solution was found to be the combination of 20 cm thick shotcrete, retaining wall, and 5-meter anchor, which increased the SF to 1.81, even under rain infiltration conditions. This combination enhances slope stability by providing surface protection, lateral support, and deep anchorage, effectively distributing loads and minimizing deformation risks. The findings can be the basis for developing optimized slope reinforcement strategies for dams with complex geological conditions.The geological characteristics of Ameroro Dam,  dominated by schist metamorphic rocks, make this highly vulnerable to weathering, leading to reduced material strength and slope stability. This is exacerbated by rain infiltration which increases pore water pressure and earthquake loads which can trigger soil mass movement, causing a decrease in the slope safety factor.This study aims to evaluate the effect of a combination of environmental factors on slope stability using the finite element method. The research utilizes Plaxis 2D software to simulate various slope conditions under different scenarios, including static conditions, rain infiltration, and seismic loads. The results indicate that Under static conditions, the SF was 2.204, which decreased to 1.867 after rain infiltration, highlighting the adverse impact of water infiltration. To address these challenges, different reinforcement strategies were evaluated. The most effective solution was found to be the combination of 20 cm thick shotcrete, retaining wall, and 5-meter anchor, which increased the SF to 1.81, even under rain infiltration conditions. This combination enhances slope stability by providing surface protection, lateral support, and deep anchorage, effectively distributing loads and minimizing deformation risks. The findings can be the basis for developing optimized slope reinforcement strategies for dams with complex geological conditions.
Studi Eksperimental High Volume Fly ash Self-Compacting Concrete (HVFA SCC) dengan Penambahan 5% Silica Fume terhadap Sifat Reologi dan Mekanik Tiorivaldi; Putra Abriantoro, Adji
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6560

Abstract

The development of concrete technology is an important part of supporting sustainable development. This development not only focuses on easy and efficient working methods, but also encourages the use of environmentally friendly materials such as fly ash and silica fume. This research aims to investigate the effect of varying fly ash content with the addition of silica fume on the mechanical and rheological properties of High Volume Fly ash Self-Compacting Concrete (HVFA SCC). Variations in fly ash content (0%, 50%, 55%, 60%, and 65%) with the addition of 5% silica fume. The parameters evaluated include flowability, compressive strength, and permeability.  Optimal flowability (750 mm) was achieved at 50–55% fly ash, making it suitable for complex structural applications. Compressive strength peaked at 48.7 MPa with 50% fly ash due to a balance of cement hydration and pozzolanic reactions, while higher fly ash content led to slight reductions. Permeability significantly decreased as fly ash content increased, from 84.1 mm at 0% fly ash to 6.08 mm at 65%, indicating enhanced matrix densification and water resistance due to fly ash's filler effect and pozzolanic activity. The study concludes that 50% fly ash offers the optimal balance, achieving a flowability of 720 mm, compressive strength of 48.7 MPa, and permeability of 58.7 mm. This research shows the potential of fly ash and silica fume as complementary materials to improve the performance of SCC, while recommending a balanced mix design between workability, strength and durability, supporting the development of environmentally friendly and sustainable concrete.
Analisis Pengaruh Infiltrasi Hujan Terhadap Stabilitas Lereng STA 62+450 S/D  62+825 Pada Proyek Jalan Tol Seksi Sp. Indralaya – Prabumulih Dengan Software Geo Studio Oktaliyani, Tiara; Asih Aryani Soemitro, Ria; Rendy Satrya, Trihanyndio
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6561

Abstract

The construction of the Indralaya-Muara Enim Interchange Toll Road, especially the Indralaya-Prabumulih Interchange Section, was hampered by landslides after excavation was carried out between STA 62+450 to 62+825. The combination of steep slopes and rain infiltration weakened the soil structure, increasing the risk of landslidesThis research aims to analyze the effect of rainwater infiltration on slope stability on the Sp Section Toll Road Project. Indralaya–Prabumulih. The research methodology used was to analyze landslide slope areas using the Slope/W and Seep/W programs from Geo Studio. This study evaluated different excavation heights and an initial excavation slope of 1:3. The focus is on calculating the safety factor (SF) at varying rain durations (1 hour, 3 hours, and 5 hours), with SF values ​​below 1.5 indicating instability. The Safety Factor (SF) value of the existing soil before excavation was 1.58, but after 1 hour of rain, the SF decreased to 1.33 (15.66% decrease). After 3 hours, SF dropped to 1.13 (28.34% decrease), and reached 1.10 (30.24% decrease) after 5 hours. Strengthening slopes using the Hydroseeding method increases SF to 1.83, while the use of Retaining Wall increases SF more significantly to 2.54. This research reveals the impact of rain infiltration on soil stability and proves the effectiveness of slope strengthening methods. These results are an important basis for planning effective landslide mitigation on toll road excavations.
Analisis Alternatif Kelongsoran Bendungan Ameroro Pada Batuan Sekis Dengan Metode Elemen Hingga Setiawan, Herdy; Rendy Satrya, Trihanyndio
Jurnal Manajemen Teknologi & Teknik Sipil Vol. 7 No. 2 (2024): DECEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmateks.v7i2.6651

Abstract

The geological characteristics of Ameroro Dam,  dominated by schist metamorphic rocks, make this highly vulnerable to weathering, leading to reduced material strength and slope stability. This is exacerbated by rain infiltration which increases pore water pressure and earthquake loads which can trigger soil mass movement, causing a decrease in the slope safety factor.This study aims to evaluate the effect of a combination of environmental factors on slope stability using the finite element method. The research utilizes Plaxis 2D software to simulate various slope conditions under different scenarios, including static conditions, rain infiltration, and seismic loads. The results indicate that Under static conditions, the SF was 2.204, which decreased to 1.867 after rain infiltration, highlighting the adverse impact of water infiltration. To address these challenges, different reinforcement strategies were evaluated. The most effective solution was found to be the combination of 20 cm thick shotcrete, retaining wall, and 5-meter anchor, which increased the SF to 1.81, even under rain infiltration conditions. This combination enhances slope stability by providing surface protection, lateral support, and deep anchorage, effectively distributing loads and minimizing deformation risks. The findings can be the basis for developing optimized slope reinforcement strategies for dams with complex geological conditions.

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