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p-Index From 2021 - 2026
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All Journal Journal of Infrastructure and Civil Engineering Economics and Business Journal
Suganda, Surya
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Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Analisis Nilai California Bearing Ratio (CBR) Pada Tanah Lempung Dengan Menggunakan Semen Terhadap Waktu Pemeraman Suganda, Surya; Muthia Anggraini; Dwi Putri, Lusi
Journal of Infrastructure and Civil Engineering Vol. 5 No. 3 (2025)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v5i3.106

Abstract

Permasalahan pada pekerjaan konstruksi jalan sering kali disebabkan oleh rendahnya nilai CBR pada tanah dasar. Tanah lempung lunak memiliki daya dukung yang rendah, sehingga menjadikannya sebagai tantangan pada proyek konstruksi. Untuk mengatasi hal ini, dilakukan stabilisasi tanah dengan menambahkan semen pada tanah lempung serta terhadap waktu pemeraman. Penelitian ini bertujuan untuk menganalisis nilai CBR tanah lempung dengan penambahan semen sebesar 3%, 6%, dan 10%, serta waktu pemeraman selama 7 dan 14 hari. Metode yang digunakan adalah metode eksperimental di laboratorium dengan mengacu pada Spesifikasi Umum Bina Marga, 2018. Sampel tanah diambil dari Jalan Badak, Sail, Kecamatan Tenayan Raya, Kota Pekanbaru, Riau. Hasil penelitian menunjukkan bahwa penambahan semen sebesar 3%, 6%, dan 10% dengan waktu pemeraman tertentu meningkatkan nilai CBR, dengan nilai tertinggi CBR sebesar 40,10% pada campuran 10% semen setelah 14 hari pemeraman. Sementara itu, nilai CBR tanah asli hanya sebesar 4,6%. Nilai ini telah memenuhi spesifikasi Bina Marga 2018, yaitu lebih dari 6%. Dengan demikian, semakin tinggi persentase semen dan semakin lama waktu pemeraman, nilai CBR yang dihasilkan semakin meningkat.
The Effect Of Increasing Servicescape And Modernizing Petrol Station Services On Pertamax Series Purchase Decisions Through Perceived Value: Systematic Literature Review (SLR) Mediation With Bibliometrics Suganda, Surya; Soetjipto, Budi Eko; Churiyah, Madziatul
Economics and Business Journal (ECBIS) Vol. 4 No. 3 (2026): March
Publisher : PT. Maju Malaqbi Makkarana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/ecbis.v4i3.320

Abstract

This study aims to analyze the effect of increasing servicescape and modernization of Public Fuel Filling Station (SPBU) services on the purchase decision of Pertamax Series products with perceived value as a mediating variable. This study uses a Systematic Literature Review (SLR) approach combined with bibliometric analysis to identify, map, and synthesize relevant research developments related to the quality of the service environment, modernization of fuel retail services, perceived value by consumers, and purchasing decisions. Research data was obtained from various reputable scientific articles indexed in academic databases such as Scopus and Google Scholar with a range of publications of the last ten years. The literature selection process is carried out systematically through the stages of identification, screening, feasibility, and inclusion using the PRISMA guidelines. Bibliometric analysis is used to map research trends, author collaboration, and keyword linkages analyzed using VOSviewer software. The results of the study show that increasing servicescape such as facility comfort, cleanliness, physical design, and the availability of supporting facilities is able to increase consumer perception of gas station services. In addition, service modernization through payment digitalization, self-service systems, and technology-based service innovations also strengthen customer experience. The combination of these two factors has been proven to increase perceived value which ultimately encourages consumers to make a decision to purchase Pertamax Series products. The findings of this study make a conceptual contribution to the development of a study of consumer behavior in the energy retail sector and provide practical implications for petrol station managers in designing strategies to improve service quality and modernize facilities to increase consumer preference for high-quality fuels.
Co-Authors Budi Eko Soetjipto Dwi Putri, Lusi Madziatul Churiyah Muthia Anggraini