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All Journal Jurnal Rekayasa Sipil Jurnal Teknik Sipil Cendekia (JTSC) International Journal of Engineering, Science and Information Technology
Junianda Velantika, Griselda
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Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Design of Semujur Bridge with Diagonal Steel Box Arch Bridge Alghiffary, Rizqi; Junianda Velantika, Griselda; Eka Putri, Karina Melawati; Dewi Widowati, Elok; Fauzan Akbari, Muhamad
International Journal of Engineering, Science and Information Technology Vol 5, No 3 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i3.900

Abstract

Transportation is an integral part of social life. One of the structures that can support transportation is the bridge. The construction of the Semujur Bridge will be planned to meet and support transportation needs. This bridge is expected to be a new connecting bridge to cut travel time in Pangkal Pinang City. Semujur Bridge, with a width of 20 meters and a total length of 100 meters, is planned to use a steel arch bridge because the arch bridge can reduce the bending moment on the bridge. The bridge uses a box girder cross section because the arch bridge with a steel box cross-section is considered more economical and has higher flexural strength and torsional stiffness. Semujur Bridge will also have a diagonal arch. With the new construction design, it is expected to be a structurally strong bridge, both against earthquake loads and bridge dynamic loads. As a result, in this study, it was found that the longitudinal girder WF 600x300x14x23, transverse girder GIRDER 1500x400x30x30, tie beam BOX GIRDER2500x2000x40x40, and Macalloy 520 (M100) hanging cable with a diameter of 97 mm.
A Comparative Study of Quantity and Scheduling Using 4D BIM and Conventional Methods in Column, Beam, and Slab Construction Muzaffar, Risal; Putra, I Nyoman Dita Pahang; Junianda Velantika, Griselda
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 6 No 2 (2025): July
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v6i2.290

Abstract

Inadequacies in the conceptualization and assessment of construction scheduling frameworks can disrupt the epistemic continuity of project execution, thereby undermining procedural coherence and operational efficiency. Accurate and detailed material quantity planning is essential to ensure precise resource forecasting and the development of efficient and reliable construction schedules. This research investigates the role of methodological selection in the accuracy and efficiency of construction planning, with a particular emphasis on material quantification and scheduling outcomes through this comparative framework. The methodological approach undertaken in this study involves quantity surveying practices through the application of two modelling-based techniques, namely CAD-Revit and CAD-Conventional. For construction-shop drawing documentation as the primary data source, material quantities derived from each method serve as the basis for schedule development. This process culminates in the integration of 4D Building Information Modelling to facilitate the temporal visualisation of construction sequences, which supports a more comprehensive evaluation of the implications associated with each quantity derivation method on the accuracy of project planning. The comparative analysis of material quantities derived from the two methods revealed significant fluctuations, with the CAD-Revit approach demonstrating greater efficiency in material usage. This variation was further reflected in the scheduling outcomes, where the 4D BIM methodology indicated divergent timelines for the completion of structural component progress across different floors.
PENGARUH LIMBAH SERBUK KAYU DAN SERBUK ARANG TERHADAP BERAT VOLUME DAN KUAT TEKAN BETON Alfianarrochmah, Ilma; Ayu Rahmawati, Rizka; Jenita Maharani, Dwi; Junianda Velantika, Griselda
Jurnal Rekayasa Sipil (JRS-Unand) Vol. 21 No. 2 (2025)
Publisher : Civil Engineering Departement, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrs.21.2.67-78.2025

Abstract

Peningkatan kebutuhan pada pembangunan infrastruktur menyebabkan penggunaan beton semakin membesar, namun hal ini turut memberikan dampak negatif terhadap lingkungan terutama pada penggunaan sumber daya alam yang berlebihan dan emisi karbon dari proses produksi semen. Untuk mengurangi pencemaran lingkungan maka dapat dilakukan pemanfaatan bahan ramah lingkungan dengan melakukan penelitian terkait analisis berat volume dan kuat tekan beton dengan penggunaan bahan substitusi serbuk kayu dan serbuk arang. Tujuan penelitian ini untuk menganalisis pengaruh serbuk kayu sebagai substitusi berat agregat halus sebesar 2,5% dan serbuk arang sebagai substitusi berat semen dengan variasi 0%, 2%, 5%, 7%, dan 9% terhadap hasil berat volume dan kuat tekan beton pada umur 14 dan 28 hari. Metode yang digunakan adalah eksperimen laboratorium menggunakan benda uji silnder beton sebanyak 24 sampel. Hasil penelitian menunjukkan bahwa penambahan serbuk kayu dan serbuk arang menyebabkan penurunan berat volume pada beton. Pada umur 14 hari menunjukkan penurunan dari beton normal ke V5 yaitu sebesar 2225 kg/m3 menjadi 1966 kg/m3. Pada umur 28 hari menunjukkan penurunan signifikan berat volume terjadi pada beton normal ke V5 yaitu sebesar 2258 kg/m3 menjadi 2035 kg/m3. Hasil pengujian kuat tekan optimal pada penambahan inovasi material adalah V2 sebesar 7,55 MPa pada umur 14 hari dan V3 sebesar 9,24 MPa pada umur 28 hari. Kuat tekan dengan inovasi material ramah lingkungan pada peneitian ini menunjukkan kuat tekan yang dihasilkan lebih rendah dibandingkan kuat tekan pada beton normal yang mencapai 15,66 Mpa dan 17,17 Mpa pada 14 dan 28 hari  . Penelitian ini menunjukkan bahwa penggunaan bahan ramah lingkungan dapat mengurangi berat beton secara signifikan walaupun diiringi dengan penurunan kuat tekan. Hal tersebut menunjukkan potensi aplikasinya sebagai material untuk konstruksi non struktural sehingga dapat membantu mengurangi penggunaan sumber daya alamt dan emisi karbon dari produksi semen.
Co-Authors Alfianarrochmah, Ilma Alghiffary, Rizqi Ayu Rahmawati, Rizka Dewi Widowati, Elok Eka Putri, Karina Melawati Fauzan Akbari, Muhamad Maharani, Dwi Jenita Muzaffar, Risal NYOMAN DITA PAHANG PUTRA, NYOMAN