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All Journal APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) International Journal of Business, Law, and Education Warta Perkaretan Jurnal Talenta Sipil The Journal of Society Medicine (JSOCMED) Scientica: Jurnal Ilmiah Sains dan Teknologi
Indriasari, Indriasari
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THE ROLE OF REVIEWING BUILDING STRUCTURES TO FULFILL REQUIREMENTS FOR STIFFNESS, STABILITY AND STRENGTH OF BUILDING STRUCTURES Triastuti, Nusa Setiani; Indriasari, Indriasari
Applied Research on Civil Engineering and Environment (ARCEE) Vol 2, No 01 (2020): Infrastructure Accuracy
Publisher : POLITEKNIK NEGERI JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/arcee.v2i01.2847

Abstract

Indonesia at the location of the earthquake All building structures must meet the structural requirements, namely stiffness, stability, strength. Review structures before building are built determine whether they meet the requirements Methodology Case studies based on secondary data. from the design consultant  The author analyzes with the help of structure software. The purpose of this research is to make sure the building structure meets the structural requirements before it is built. The author conducted a design review based on the Indonesian Code (SNI) Desain consultant data  , building structure is still twist in shape mode 1 and 2 after checking in software. Then the authors review and improve mainly dimensions, reinforcement columns and add shear walls. As a result of the addition of shear walls and column changes, the structure meets the requirements of strength, stiffness and stability. Building structure does not occur twist in shape modes 1 and 2. That is the role of design structure review before it is built. To increase the stability of the structure at the bottom of the stairs out towards the back is given a retaining wall, overcoming the horizontal direction of active soil pressure, ground water and surface water from the direction of the hill.
PENGARUH JENIS KARET TERHADAP KETAHANAN SODIUM HIDROKSIDA UNTUK APLIKASI RUBBER LINING Wahyu Tri Utami; Arti, Dewi Kusuma; Indriasari, Indriasari; Fidyaningsih, Riastuti; Hidayat, Ade Sholeh; Amry, Akhmad; Susanto, Herri; Wisojodharmo, Lies; Idvan, Idvan; Iskandar, M Soleh
Warta Perkaretan Vol. 42 No. 1 (2023): Volume 42, Nomor 1, Tahun 2023
Publisher : Pusat Penelitian Karet - PT. Riset Perkebunan Nusantara

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Abstract

Rubber lining adalah metode yang digunakan untuk melindungi permukaan interior atau eksterior pipa, tangki, bejana, dan aplikasi serupa lainnya dari korosi. Penelitian ini menggunakan beberapa jenis karet sebagai variabel penelitian, antara lain Karet Alam RSS 1 (RL1), Ethylene Propylene Diene Monomer (EPDM 4869 (RL2)), Styrene Butadiene Rubber (RL3), Isobutene Isoprene Rubber (RL4). Penelitian ini bertujuan untuk mengetahui pengaruh jenis karet terhadap ketahanan sodium hidroksida pada aplikasi rubber lining. Untuk mengetahui sifat-sifat sampel, dilakukan beberapa pengujian mekanik meliputi uji pengembangan, uji rheologi, kekuatan tarik, ketahanan kikis, uji kekerasan. Hasil karakterisasi menunjukkan bahwa formulasi yang optimum untuk pelapis karet tahan basa adalah formulasi dengan bahan utama Styrene Butadiene Rubber .
ANALISIS HUBUNGAN ANTARA BETON DAN BAJA TERHADAP ELEMEN VERTIKAL PADA STRUKTUR GEDUNG ASRAMA 4 LANTAI Harefa, Albert Kristian; Triastuti, Nusa Setiani; Indriasari, Indriasari
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 11 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i11.3045

Abstract

Indonesia merupakan negara berkembang yang terus mengalami perkembangan. Jumlah penduduk Indonesia juga terus bertambah sehingga menyebabkan peningkatan pendidikan, perumahan, dan kendaraan, sehingga menimbulkan kebutuhan akan fasilitas pendidikan dan asrama bertingkat tinggi. Bangunan bertingkat haruslah memenuhi ketentuan ketahanan material pada SNI 2847-2019 dan persyaratan ketahanan gempa pada SNI 1726-2019 yang berlaku. Analisis dilakukan pada bangunan asrama dengan jumlah empat lantai konstruksi beton bertulang dan baja yang terletak di kawasan Gunung Geulis, Bogor. Analisis ini bertujuan untuk mengetahui berapa besar persentase gaya geser yang diterima pada kolom yang disesuaikan dengan persyaratan pada SNI, analisis base plate dan analisis sambungan angkur pada baja. Dalam analisis ini menggunakan software ETABS dengan metode LRFD di input beban mati, beban hujan, beban hidup dan beban gempa. Hasil akhir yang didapatkan dari software ETABS dengan metode LRFD adalah persentase nilai tulangan gaya geser yang diterima pada elemen vertikal, analisis base plate dan analisis sambungan angkur. Berdasarkan hasil yang diperoleh pada persentase gaya geser, dilakukan pembesaran dimensi kolom K1 pada sumbu X dan Y. Setelah penambahan dimensi kolom, tidak terdapat kolom yang over-stressed (OS) dan base plate tidak mengalami perubahan yang besar dibandingkan dengan saat kolom baja menerima beban vertikal yang bernilai konstan dan beban momen yang bertambah besar sedangkan angkur tidak mengalami pembesaran momen dan gaya atau over-stressed (OS).
Analysis of Beginning Stage of Reading Skills of First Grade Students of Indriasana Palembang Primary School. Indriasari, Indriasari; Krisnandi, Ignasius Firdo
International Journal of Business, Law, and Education Vol. 4 No. 2 (2023): International Journal of Business, Law, and Education
Publisher : IJBLE Scientific Publications Community Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56442/ijble.v4i2.256

Abstract

This study aims to describe the beginning stage reading ability of first grade students at SD Indriasana Palembang. This research method is descriptive qualitative, with data collection through observation, interviews, tests, and documentation. The sample used saturated sampling technique. The research sample was 61 first grade students at SD Indriasana Palembang. The results of the study, first in the aspect of reading letters as much as 98% of respondents achieved the criteria of "very good" and 2% achieved "good". Second, in the aspect of reading syllables, 98% of respondents with the criteria of "very good" and 2% "enough". Third, in the aspect of reading words 92% of respondents with the criteria of "very good" and 8% "enough". Fourth, in the aspect of reading sentences 84% ​​of respondents with "very good", 11% "good", and 5% "enough".
Evaluasi Produktivitas Angkat Baja pada Bangunan Pabrik Kelapa Sawit Silitonga, Desmon; Mardiaman, Mardiaman; Indriasari, Indriasari
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.957

Abstract

The growth of the industrial sector in Indonesia has driven the widespread use of steel structures due to their advantages in strength, construction speed, and cost efficiency. One significant application is in the construction of palm oil mills (PKS), which often face challenging site conditions requiring effective erection planning. However, steel structure erection productivity in PKS projects is frequently hindered by inappropriate work methods and unsystematic time recording. Significant variations in productivity across structural elements and the lack of comparative studies between crane and manual methods create a research gap that needs to be addressed. This study aims to evaluate and compare the productivity of steel structure erection in the Mill Building of a PKS project using crane and manual methods. A quantitative case study approach was applied at PT. Tunggal Yunus Estate, Tapung, Riau, with primary data collected through field observations, interviews, and project documentation. Productivity (kg/hour) was calculated based on the weight and installation duration of each structural element. The results show an average erection productivity of 480.98 kg/hour, with the highest productivity reaching 955.44 kg/hour for main columns and rafters using a crane. In contrast, manual methods for secondary elements such as wind bracing and canopy yielded the lowest productivity at 156.78 kg/hour. These findings confirm that crane methods are more effective for main structural elements, while the use of manual methods should be carefully adapted to site conditions to maintain time-cost efficiency.
Management of Acute Hypercapnic Respiratory Failure (AHRF) in Patients with Obesity Hypoventilation Syndrome (OHS) in the Intensive Care Unit (ICU) Ningsih, Diana Fitria; Indriasari, Indriasari
Journal of Society Medicine Vol. 4 No. 7 (2025): July
Publisher : CoinReads Media Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71197/jsocmed.v4i7.222

Abstract

Introduction: Acute hypercapnic respiratory failure (AHRF) in patients with obesity hypoventilation syndrome (OHS) presents significant challenges in the intensive care unit (ICU), particularly when complicated by comorbidities such as community-acquired pneumonia and heart failure. Effective management requires a tailored approach addressing altered lung mechanics, infection control, and fluid balance. This case report highlights the multidisciplinary management of AHRF in a complex clinical scenario. Case Description: A 35-year-old female with OHS presented with progressive dyspnea for one month, worsening over the last two days. Initial assessment revealed type II respiratory failure with a pCO2 of 89 mmHg. Management included intubation and mechanical ventilation, initially with pressure control-assist control (PC-AC) mode, gradually transitioned to pressure support ventilation (PSV). Empirical antibiotics were administered, later adjusted based on sputum culture results. Fluid management involved furosemide to address concurrent heart failure. Adequate positive end-expiratory pressure (PEEP) was crucial to optimize lung mechanics. Despite an initial failed extubation, the patient was successfully extubated on day 7 with high-flow nasal cannula support and subsequently transferred to a step-down unit with nasal cannula oxygen therapy. Conclusion: This case underscores the importance of a multidisciplinary approach and dynamic therapy adjustments based on clinical response in managing AHRF in OHS patients with complex comorbidities. Early broad-spectrum antibiotics, careful fluid management, and gradual weaning from mechanical ventilation are critical for successful outcomes.
Co-Authors Amry, Akhmad Dewi Kusuma Arti Fidyaningsih, Riastuti Harefa, Albert Kristian Herri Susanto Hidayat, Ade Sholeh Idvan, Idvan Iskandar, M Soleh Krisnandi, Ignasius Firdo Mardiaman, Mardiaman Ningsih, Diana Fitria Silitonga, Desmon Triastuti, Nusa Setiani Wahyu Tri Utami Wisojodharmo, Lies