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SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 24606286     EISSN : 25793624     DOI : 10.30738/science tech.v2i1.396
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Engineering Materials Science & Nanotechnology
Jurnal SCIENCE TECH adalah jurnal yang diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M) Universitas Sarjanawiyata Tamansiswa (UST) Yogyakarta. Jurnal ini diharapkan sebagai media bagi dosen, peneliti, praktisi, mahasiswa dan masyarakat luas yang memiliki perhatian terhadap bidang dan perkembangan ilnu pengetahuan dan teknologi. Jurnal SCIENCE TECH terbit dua kali setahun yaitu Januari dan Agustus, setiap terbit 8 artikel.
Arjuna Subject : Umum - Umum
Articles 153 Documents
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Analisis dan Perencanaan Struktur Perkerasan Lentur Jalan Berdasarkan MDPJ No. 03/M/BM/2024 Adawiyah, Robiatul; Gazali, Akhmad; Rachman, Tezar Aulia
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 12 No 1 (2026): February
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol12.no1.a20971

Abstract

The revision of pavement design standards may significantly influence the determination of pavement thickness and structural configuration. This study aims to determine the design thickness of flexible pavement structure on the Kampung Baru – Beruntung Jaya road section based on the Manual Desain Perkerasan Jalan (MDPJ) No. 03/M/BM/2024 and to compare the results with MDPJ No. 02/M/BM/2017. The research employed a quantitative approach using traffic data (LHR and axle loads) and subgrade strength (CBR) as primary design parameters. The analysis shows that, based on Design Chart-4 of MDPJ 2024, the required pavement structure consists of 50 mm HRS-WC, 150 mm LFA Class A, and 150 mm LFA Class B (or natural gravel/stabilized layer with CBR > 10%). Compared to MDPJ 2017, MDPJ 2024 applies refined traffic classification and stricter CBR criteria, resulting in a more structured and adaptive design approach. The updated methodology provides improved technical control over pavement thickness determination and has the potential to enhance long-term pavement performance and reliability.
Integrasi Servicescape, HEALTHQUAL, dan Model Kano dalam Evaluasi Pengalaman Pasien Griya Sehat UKDC Surabaya Widari, Nyoman Sri; Irawati, Desrina Yusi; Pijoh, Fidelchristo
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 12 No 1 (2026): February
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol12.no1.a21482

Abstract

The growing demand for holistic healthcare services requires comprehensive evaluation of service quality beyond therapeutic outcomes. This study examines patient experience in acupuncture and herbal services at Griya Sehat UKDC by integrating servicescape and HEALTHQUAL dimensions and classifying service attributes using the Kano model to determine improvement priorities. A case study design with a survey approach was conducted involving 32 patients. Data were collected through paired functional and dysfunctional Kano questionnaires, followed by validity and reliability testing. The results show that 76.3% of service attributes fall into the one-dimensional category, indicating that patient satisfaction is primarily driven by service performance. Therapist competence, safety assurance, empathy, cleanliness, and treatment efficiency emerge as critical determinants. These findings suggest that improving core service execution has a direct linear impact on patient satisfaction in holistic healthcare settings.
Perbaikan Laju Peningkatan Kuat Tekan Beton dengan Air IPAL Industri Beton Siap Pakai Menggunakan Accelerator Adi, Prasetya; Ginting, Arusmalem; Widiastuti, Elin; Listyowati, Dewi
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 12 No 1 (2026): February
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol12.no1.a21601

Abstract

The concrete industry is one of the industries that uses large volumes of water. Water is used for the cement reaction process and for cleaning equipment. Wastewater treatment plants (WWTPs) are used to restore water quality before being released into the environment. This study was conducted to determine the suitability of treated wastewater for reuse in concrete production. Using WWTP water as a cement reagent is important for conserving groundwater and supporting the sustainability of the ready-mix concrete industry. Previous research has shown that the disadvantage of using treated wastewater in ready-mix concrete is low initial compressive strength. A practical way to increase initial compressive strength is to use an accelerator. Research is needed to increase initial compressive strength for several concrete grades. The use of water as a cement reagent requires certain quality standards, and the higher the planned concrete quality, the better the water quality required, approaching or equivalent to potable water. The study was conducted on two concrete grades to determine the effect of using wastewater treatment for ready-mix concrete on the properties of the resulting concrete. The concrete's compressive strength was tested using a standard test, using a cylinder with a diameter of 150 mm and a height of 300 mm, and workability was tested using an Abrahms cone. Previous research has shown that the use of treated wastewater affects the speed of the concrete hardening process. Therefore, in this study, an accelerator, an additive, was used to accelerate the cement reaction. The results of the study showed that the accelerator added material increased the quality of 20 MPa concrete by 114.452%, 112.091%, 105.671%, and 103.351% compared to concrete with normal water and increased the quality of 25 MPa concrete by 103.909%, 103.442%, 105.940%, and 108.756% compared to concrete with normal water. The rate of increase in the compressive strength of concrete with wastewater without accelerator and using accelerator can meet the requirements.

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