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All Journal JITEK (Jurnal Ilmiah Teknosains) JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Jurnal DISPROTEK Jurnal Teknik Syntax Idea Journal of Green Science and Technology Publikasi Riset Orientasi Teknik Sipil (Proteksi) Indonesian Journal of Multidisciplinary Science Teknika Journal Of World Science Journal of Infrastructure and Civil Engineering Jurnal Konstruksi Jurnal Ekonomi, Teknologi dan Bisnis Indonesian Journal of Advanced Research (IJAR) Equivalent: Jurnal Ilmiah Sosial Teknik Jurnal Civil Engineering Study Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Jurnal Basement : Jurnal Teknik Sipil Journal of Research and Inovation in Civil Engineering as Applied Science Journal of Green Science and Technology PASAK: Jurnal Teknik Sipil dan Bangunan
Tira Roesdiana
Universitas Swadaya Gunung Jati
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Veterinary Other

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Perencanaan Dan Analisis Struktur Baja Menara Pandang Pada Kawasan Wisata Sejuta Pohon Kelapa Di Kabupaten Kuningan Roesdiana, Tira; Fernando, Tedy
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 13 No 2 (2025): Jurnal Konstruksi dan Infrastruktur Vol 13 No.2 : Oktober 2025
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v13i2.11030

Abstract

This research focuses on the structural design and performance analysis of a steel observation tower intended as a supporting facility at the Sejuta Pohon Kelapa tourism area in Kuningan, West Java. The objective is to develop a structurally safe, durable, and efficient observation tower that functions as an iconic landmark enhancing the site’s tourism potential. The study adopts the standards of SNI 1729:2020 (Structural Steel Design), SNI 1726:2019 (Seismic Resistance), and SNI 1727:2020 (Minimum Design Loads) to ensure compliance with national building codes.The research methodology integrates site investigation, data collection, and finite element-based structural analysis. The main structural components analyzed include the composite floor system (bondex slab), secondary and primary beams, columns, and bore pile foundations. The structural design employs WF 200×200×8×12 and WF 300×300×10×15 profiles for the beams and WF 400×400×13×21 for the columns, using BJ41 steel grade. The bore pile foundation system, consisting of four 30 cm diameter piles with a 1.5 × 1.5 × 0.5 m pile cap, is verified to safely resist axial, shear, and moment loads.The analysis results confirm that all structural members satisfy the strength, stiffness, and serviceability requirements according to the applied SNI standards. The overall system demonstrates adequate lateral stability under seismic loading and sufficient bearing capacity in the foundation. Consequently, the proposed steel tower design is structurally feasible, seismically resistant, and suitable for implementation as a sustainable tourism infrastructure that integrates engineering safety with environmental aesthetics.
Analysis of the effect of the combination of fly ash, plastic waste, and natural stone waste as a substitute additive for making environmentally friendly concrete on the compressive strength of concrete Maulana, Muhammad Agung; Septian, Fadhlan Ghifari; Ramadon, Deni; Roesdiana, Tira
Indonesian Journal of Multidisciplinary Science Vol. 4 No. 6 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v4i6.1121

Abstract

The ongoing development of infrastructure technology, particularly in constructing buildings, plays a vital role in national progress. Concrete, a widely used construction material, is crucial for civil works and overall development.In this study using an innovation in concrete mixes by utilizing waste that can damage the environment, such as fly ash as a cement additive, plastic waste as a coarse aggregate additive, natural stone waste as a fine aggregate additive. The primary objectives of this study are to assess the impact of waste addition on concrete production, establish optimal and minimal waste variations affecting concrete compressive strength, and evaluate the performance of waste mixtures in comparison to normal concrete. Various waste percentages were integrated into the concrete mix: fly ash (5%, 10%, 15%, 20%, 25%, 30%), plastic waste (2%), and natural stone waste (40%). Test specimens were cube-shaped, measuring 15x15x15 cm. Concrete curing took place over 7, 14, 21, and 28 days, with subsequent compressive strength testing. . From the analysis results show a significant correlation between the proportion of added ingredients in the concrete mixture tends to increase the compressive strength of concrete at a certain limit, obtained the optimum value at 20% variation with a compressive strength of 328.0036 kg/cm2 and the minimum value at 30% variation with a compressive strength of 276.3318 kg/cm2 at the age of 28 days, the use of waste in concrete mixes is very good and can be an alternative in making concrete with environmentally friendly properties.
ANALYSIS AND DESIGN REINFORCED CONCRETE CONSTRUCTION STRUCTURE OF 4 FLOOR HOTEL IN KUNINGAN Roesdiana, Tira; Perdana, Renaldi Indra
Journal of Green Science and Technology Vol 7 No 1 (2023): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY VOL.7 NO.1 MARET 2023
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v7i1.15

Abstract

Planning for a 4-storey hotel in Kuningan is projected to support supporting facilities for the tourism sector in Kuningan Regency, supporting facilities like this are really needed by Kuningan Regency which has great potential in the tourism sector and is proven by the continuing increase in the number of tourists every year, with the development of Kuningan Regency and the increasingly widespread the construction of multi-storey buildings is needed planning in order to make efficient use of land. To support the availability of tourism support facilities, this research will examine the planning of hotel building structures based on SNI 2847-2019, SNI 1727-2020 and SNI 1726-2019 and calculate the budget plan for the structural work. Referring to these rules, the dimensions of the structural elements and the need for structural reinforcement can be produced that meet the rules and can also support the work force and loads received on a building including earthquake loads, wind loads and rain loads. The cost of building a 4-storey hotel building in this study is Rp. 26,712,400,000.00 (Twenty Six Billion Seven Hundred Twelve Million Four Hundred Thousand Rupiah), and the cost of building a one square meter building is Rp. 4,345,716.00 (Four million three hundred forty-five million seven hundred and sixteen thousand rupiah).  
Planning Modification of Steel Arch Bridge on Cimanuk Bridge Tomo District Sumedang Regency Cirebon-Bandung Highway Roesdiana, Tira; Kholiah, Mif’fetin
Journal of Green Science and Technology Vol 9 No 1 (2025): Journal of Green Science and Technology Vol. 9 No. 1 March 2025
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v9i1.9923

Abstract

One of the businesses that supports transportation is the construction of Bridge infrastructure. In improving and supporting transportation facilities, the condition of the bridge must be in good condition. The Cimanuk Bridge which originally used the Steel Box Girder & Steel I Girder structure with a pillar in the middle of the span, the structure will be modified into An Arch Steel Bridge without pillars. Cimanuk Bridge is ± 100 m long, including a long-span bridge so that it can use An Arch Steel Bridge Structure. [1] SNI 1726:2019 about Seismic analysis for design It uses the equivalent static. Analysis method based on SNI 1729: 2020 about Specification for structural steel building. And SNI 1725:2016 about Loading for bridges. The methode of structural analysis performed using SAP2000 version 22 software. The structural calculation process includes the determination of the structural system, load analysis, structural modeling, internal force analysis, reinforcement calculation, and examination of structural element requirements. The result show main structure profile using Double WF 700x550x40x45, Longitudinal Girder WF 500x200x10x16, Transverse Girder WF 1200x500x20x28, Tie Beam BOX 1000x1000x50, Wind Bracing using Square/Box. Keyword: Arch Steel Bridge; Cimanuk Bridge; Steel Structure; SNI 1729:2019; SNI 1725:2016
PEMBUATAN PAVING BLOCK DENGAN SERBUK BATU KARANG SEBAGAI SUBSTITUSI SEMEN MENGGUNAKAN METODE DRYMIX Rochmanto, Decky; Pratama, Andrie Mandala Yudha; Saputro, Yayan Adi; Qomaruddin, Mochammad; Roesdiana, Tira
(JITEK)Jurnal Ilmiah Teknosains Vol 9, No 2/Nov (2023): JiTek
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jitek.v9i2/Nov.16918

Abstract

Utilizing dead rock as a cement additive in the manufacture of paving blocks, and the rock contains CaCO3 which includes limestone as in the content of cement which has lime content (CaO), the aim is to determine the effect of rock on the compressive strength value of paving blocks. Utilization of stone in the manufacture of paving blocks using a mixture of design 0%, 5%, 10%, and 15% of the weight of cement to be used. Manufacture of paving blocks using a ratio of 1: 3 sand cement, cement water factor 0.4 with molds 20 x 10 x 6 cm, compaction weight of 1 paving 3.52 kg and testing compressive strength at 7, 14 and 28 days, using the method (SNI 03- 0691-1996) paving block. From the analysis of compressive strength testing, it was found that the compressive strength of paving blocks increased towards normal paving blocks to produce the highest compressive strength with added rock in the 15% variation at the age of 28 days, which amounted to 45.1 MPa and included the quality of class A paving blocks with SNI 03-0691 (1996) standards. The compressive strength of the 5% variation at 28 days of age is 38.7 MPa and the compressive strength of the 10% variation at 28 days of age is 43.5 MPa. It can be seen that coral stone as a cement additive is able to improve the quality of compressive strength of paving blocks.
Analisis Kecelakaan Lalu Lintas Jalan Raya Jepara-Bangsri Km 05 Desa Mambak Sari, Novita; Hidayati, Nor; Saputro, Yayan Adi; Qomaruddin, Mochammad; Mushthofa, Mushthofa; Roehman, Fatchur; Roesdiana, Tira
Pasak: Jurnal Teknik Sipil dan Bangunan Vol 1 No 1 (2023): September
Publisher : Fakultas Teknik dan Ilmu Komputer Universitas Sains Al-Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/pasak.v1i1.5576

Abstract

Kondisi jalan yang menikung curam serta terdapat banyak kerusakan juga menjadi salah satu factor penyebab terjadinya kecelakaan di Jalan Raya Jepara-Bangsri Km 05 Desa Mambak ini, selain itu mayoritas pengguna jalan ini adalah truck bermuatan besar serta container yang mana sering menjadi penyumbang kerusakan jalan. Berdasarkan beberapa factor yang telah dijelaskan diatas, maka perlu diadakan penelitian analisis kecelakaan lalu lintas di Jalan Raya Jepara-Bangsri Km 05 Desa Mambak yang mampu menyediakan sebuah sistem dan cara yang dapat menjadi evaluasi terhadap kecelakaan lalu lintas yang sering terjadi di Jalan Raya Jepara-Bangsri Km 05 Desa Mambak ini. Metode yang digunakan dalam analisa ini adalah metode Kuantitatif Descriptive atau survey lapangan yang mana akan digunakan untuk mengevaluasi Geometrik jalan, nilai accident rate (tingkat kecelakaan), accident cost (biaya kecelakaan) dan juga menetukan titik Black Spot (daerah rawan kecelakaan).
ANALISIS KERUSAKAN JALAN PADA RUAS JALAN RAYA JEPARA – BANGSRI KABUPATEN JEPARA DENGAN MENGGUNAKAN METODE BINA MARGA DAN PCI ( PAVEMENT CONDITION INDEX ) Rendy, Oktarisa Aviska; Umam, Khotibul; Saputro, Yayan Adi; Qomaruddin, Mochammad; Roesdiana, Tira
Pasak: Jurnal Teknik Sipil dan Bangunan Vol 1 No 1 (2023): September
Publisher : Fakultas Teknik dan Ilmu Komputer Universitas Sains Al-Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/pasak.v1i1.5593

Abstract

Jalan Raya Jepara - Bangsri merupakan Jalan Provinsi dan termasuk jalan yang mengalami kerusakan jalan yang cukup parah. Sehingga diperlukan adanya analisis yang mengkaji tentang beberapa jenis kerusakan jalan tersebut serta penanganan yang sesuai dengan kerusakan jalan tersebut. Berdasarkan hasil analisis yang didapat jenis kerusakan yang terjadi pada ruas Jalan Raya Jepara-Bangsri KM 16 s/d KM 18 jika ditinjau dengan metode PCI dan Bina Marga memiliki peresentasi kerusakan sebesar Retak buaya (38,75%), Retak Blok (17,39%), Retak Pinggir (8,89%), Lubang (17,49%), Tambalan (12,99%), Pengausan (10,89%), dan amblas (3,59). Untuk penilaian kondisi jalan dengan metode PCI diperoleh rata-rata sebesar 55,523 yang termasuk dalam kategori sedang (Fair), sedangkan untuk metode Bina Marga diperoleh rata-rata nilai urutan prioritas sebesar 7,2. Hasil dari keduanya memiliki jenis penanganan yang sama yaitu Pemeliharaan Rutin. Untuk menghindari kerusakan jalan yang semakin parah maka perlu adanya perhitungan mengenai rencana tebal lapis tambahan perkerasan lentur. Berdasarkan hasil jenis nomogram 3 dengan Ipt = 2,0 dan Ipo = 4 sehingga diperoleh tebal perkerasan laston AC-WC (lapis aus) tebal 7,5 cm, AC-BC (lapis antara) tebal 10 cm, dan Lapis pondasi Sirtu kelas A tebal 12 cm.
Abu Gergaji Kayu Dan Fly ash Sebagai Bahan Tambah Semen Terhadap Kuat Tekan Dan Penyerapan Air Paving block Adib, Muhammad; Saputro, Yayan Adi; Rochmanto, Decky; Qomaruddin, Mochammad; Roesdiana, Tira
Pasak: Jurnal Teknik Sipil dan Bangunan Vol 1 No 1 (2023): September
Publisher : Fakultas Teknik dan Ilmu Komputer Universitas Sains Al-Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/pasak.v1i1.5643

Abstract

Jepara yang banyak bergerak di industri furniture yang mencakup pengelolaan kayu dan yang lain di jepara juga terdapat pltu tanjung b jepara yang mana hasil dari pembakaran batu bara menghasilkan limbah yang berupa fly ash, banyak nya limbah yang berupa fly ash dan serbuk gergaji kayu dalam upaya mengurangi limbah tersebut dimanfaatkan sebagai bahan tambah pada semen dalam proses pembuatan paving block, penelitian ini dilaksanakan dengan tujuan untuk mengukur tingkat kekuatan tekan dan tingkat penyerapan air dari paving block yang dihasilkan. Pada penelitian yang telah di lakukan dengan variasi campuran 0%, 2,5%, 5%, 7,5%, 10% mengalami kenaikan dari umur 7 hari kuat tekan tertinggi nya di variasi 10% dengan nilai 31,8 MPa, di umur 14 hari kuat tekan tertinggi nya di variasi 10% dengan nilai 37,1 MPa, umur 28 hari kuat tekan tertinggi nya di variasi 10% dengan nilai 39,1 MPa, dikategorikan menurut SNI 03-0691-1996 masuk kedalam mutu B. Untuk penyerapan air nya mengalami pemadatan jadi penyerapan air nya menurun dari 0% ke 10% dengan nilai 3,393 – 3,192 dikategorikan menurut SNI 03-0691-1996 masuk kedalam mutu B karena nilai nya lebih dari 3%.
Pengaruh Perbedaan Jenis Pasir terhadap Properties Material dan Kuat Tekan Beton Tendy Arizki; Tira Roesdiana
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.3414

Abstract

Fine aggregate plays a significant role in concrete mixtures because it constitutes approximately 60–75 percent of the total volume, meaning that its characteristics directly influence concrete quality. In the Ciayumajakuning region, Cimalaka sand (Sumedang) is more commonly used even though its logistical distance is farther compared to Ciputat sand (Indramayu); however, no scientific study has directly compared the two materials. This study aims to examine the material properties characteristics and the effect of using these two types of sand on the compressive strength of concrete with a design strength of f'c 25 MPa, as well as to assess the feasibility of Ciputat sand as a substitute for Cimalaka sand. The method applied was experimental using 24 cylindrical specimens measuring 15 cm × 30 cm, tested at the ages of 7, 14, 21, and 28 days in accordance with SNI 03-2834-2000. The material property test results indicate that Ciputat sand belongs to Zone 3 with a mud content of 3.0 percent (meeting the SNI requirement of =< 5 percent), while Cimalaka sand belongs to Zone 1 with a mud content of 7.28 percent (exceeding the SNI limit and therefore requiring washing). At 28 days, the average compressive strength values of the concrete were recorded at 26.138 MPa for Ciputat sand and 25.666 MPa for Cimalaka sand, both exceeding the target design strength of f'c 25 MPa. The insignificant difference in values indicates that the performance of both sands is relatively equivalent, suggesting that Ciputat sand has the potential to be used as a more logistically efficient alternative without compromising structural quality.
The Effect of Variations in Fly Ash and Metakaolin Binders on The Compressive Strength of Geopolymer Mortar : Pengaruh Variasi Binder Fly Ash dan Metakaolin Terhadap Kuat Tekan Mortar Geopolimer Aufa Fitria; Tira Roesdiana
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v8n1.p55-59

Abstract

The purpose of this study wa to examine the effect of varying the binder ratio between fly ash and metakaolin on the compressive strength of geopolymer mortar, as well as to determine the optimum binder mixture composition that would yield the highest compressive strength at room temperature curing. Thi study uses a quantitative approach with laboratory experiments, using variations in the fly ash : metakolin binder ratio, namely 100% : 0%, 70% : 30%, 50% : 50%, 30% : 70% and 0% : 100%, as well as 8 M NaOH and Na2SiO3 activator solutions using a sand : binder ratio of 2,5 : 1. Sixty 5×5×5 cm2 cube shaped test specimens were then tested for compressive strength. This study proves that the combination of fly ash and metakaolin increases the strength of geopolymer mortar. The mixture of 70% fly ash : 30% metakaolin produced the most optimal compressive strength at 28 days, indicating that the reactivity of metakaolin and the aluminosilicate content in fly ash can enhance the geopolymerization prosess and make the microstructure of the mortar more compact. This study proves combining fly ash and metakaolin be more environmentally friendly alternative to portland cement while maintaining its mechanical strength.
Co-Authors Adib, Muhammad Agung Pangestu Ahmad Difky Nur Fathoni Aidulghani, Bachtiar Al-Aufa, Muhammad Fikri Arif Hidayat Ariyanto Ases , Fikky Sabillah Astry Selfiyana Aufa Fitria Bayu Pramujya S Buana, Galing Wira Dani Ramdhani Decky Rochmanto, Decky Deffa Diana Octavia Devana Ray Fajar Mirdiana Fatchur Roehman Fernando, Tedy Gani, Moh Hari Febriana Gino Harto Wibowo Hudaya Taher, Nuni Khoirinnisa Khaerifo , Rifqi Kholiah, Mif’fetin Khotibul Umam Khotibul Umam Maulana Anwar Safi’i Maulana, Muhammad Agung Muhammad Fikri Al-Aufa Muhammad Rafi Perana Muhammad Rafi Perdana Muhammad Rahmatulloh Niken Adesti Nofan Nurfandi Novita Sari Nugraha, Prendy Prasetya Perdana, Renaldi Indra Pratama, Andrie Mandala Yudha Qomaruddin, Mochammad Rahmatulloh, Muhammad Ramadon, Deni Randy Umam Rahmawan Ray, Devana Regan Muhammad I Reja Andika Renaldi Indra Perdana Rendy, Oktarisa Aviska Riyandi Riyandi Rizqian, Sahla Kayla Robandi, Fathur Rohman Salsabila, Dina Saputro, Yayan Adi Septian, Fadhlan Ghifari Syahrul UIIa AI Muarif Tendy Arizki Wibowo, Gino Harto WICAKSONO, ADI Yayan Adi Saputro Yusup kristian