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Praditya, Norca
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Analisa Perhitungan Daya Dukung Fondasi Minipile pada Rumah Trafo PT. Pertamina Plaju Putra, M. Sang Gumilar Panca; Amalia, Kiki Rizky; Syahira, Nurul Aina; Praditya, Norca; Marpen, Rio
Jurnal Talenta Sipil Vol 7, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i1.455

Abstract

Substructure is more commonly known as a foundation. Foundations come in many types, and the selection of the foundation type is based on soil conditions, technical requirements, environmental factors, and cost. One of the key factors in choosing a foundation is the soil bearing capacity in the area under consideration. Soil bearing capacity refers to the soil's ability to withstand all the loads acting on it. Before designing the foundation, it is essential to determine the soil bearing capacity. Soil bearing capacity is obtained from soil tests, such as the Cone Penetration Test (CPT) or Sounding. The method used in this study employs a quantitative approach with the analysis of secondary data. Based on the results of the soil tests using CPT, with cone resistance values ranging from 139 kg/cm2 to 198 kg/cm2 at depths between 11 meters to 16 meters, mini-pile foundations are used. The dimensions of the mini-pile plate are 10,000 mm x 3,800 mm x 500 mm, and 6 concrete piles with dimensions of 250 mm x 250 mm are used. The total number of 250 mm x 250 mm concrete piles required is 2.
Analisis Kinerja Operasional Light Rail Transit (LRT) Stasiun Demang Kota Palembang Sari, Nadra Mutiara; Aszharri, Arief; Anggraini, Nita; Praditya, Norca
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.627

Abstract

This research examines the operational performance and user satisfaction of the Light Rail Transit (LRT) mass transportation system in Palembang City, particularly on the LRT Demang Lebar Daun station corridor. The study involves the collection of primary and secondary data, including passenger numbers, waiting times, travel intervals, and travel times. The research results indicate that the average number of passengers per LRT station is approximately 10 passengers, resulting in a load factor ranging from 9% to 11%. While passenger comfort levels are relatively high, this low ridership may impact operational efficiency. The waiting times and travel intervals of the LRT are relatively short, enhancing passenger comfort, but warrant operational considerations. Furthermore, the study notes that the round-trip travel time on the LRT is approximately 2 hours, 33 minutes, and 57 seconds. However, limited parking facilities at the Demang Lebar Daun station can affect the interest in using the LRT. In order to improve operational performance and user satisfaction of the LRT, this research recommends an evaluation of travel intervals, waiting times, and daily LRT trip numbers. Additionally, improvements in parking facilities at LRT stations should be considered to enhance the convenience of using this mode of transportation.
Analisis Kuat Tekan Beton dengan Pemanfaatan Silica Fume dan Fly Ash Sebagai Pengganti Semen Sebagian Rahmadona, Efrilia; Amalia, Kiki Rizky; Ulfah, Luthfiyah; Praditya, Norca
Jurnal Talenta Sipil Vol 7, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i1.451

Abstract

Construction activities require concrete as a widely used material. Concrete consists of several compositions, namely fine aggregate, coarse aggregate, water, and Portland cement as the main material for the binder. Cement production contributes around 6% of carbon emissions which can damage the environment, including global warming, and the use of high levels of cement material in concrete mixtures, so alternative materials are needed to replace cement or cement additives for concrete mixes. Alternative materials used in this research are fly ash and silica fume. This research aims to determine the test results and characteristics of concrete using silica fume and fly ash as partial cement substitute materials as well as the effect of the ratio of silica fume and fly ash on the compressive strength of concrete. The research was carried out by direct testing in the laboratory. The various mixtures of Fly Ash (FA) and Silica Fume used are: FA 10% and SF 5%, FA 15% and SF 5%, FA 20% and SF 20%, FA 25% and SF 10%. Based on the results of compressive strength tests carried out at 28 days of concrete, it shows that the use of silica fume and fly ash to replace cement cannot be said to have succeeded in increasing the strength of the concrete. The highest compressive strength value was achieved by variation 3, namely with a fly ash content of 20% and 10% silica fume, producing a compressive strength value of 19.44 Mpa, this shows that the strength achieved is still limited to low quality concrete below 20 Mpa.
Co-Authors Amalia, Kiki Rizky Aszharri, Arief Marpen, Rio Nadra Mutiara Sari Nita Anggraini, Nita Putra, M. Sang Gumilar Panca Rahmadona, Efrilia Syahira, Nurul Aina Ulfah, Luthfiyah