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INDONESIA
Jurnal Teknik Sipil
Published by Universitas Atma Jaya Yogyakarta
ISSN : 1411660X     EISSN : 25492918     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Teknik Sipil adalah wadah informasi bidang Teknik Sipil berupa hasil penelitian, studi kepustakaan maupun tulisan ilmiah terkait. Terbit pertama kali Oktober tahun 2000. Frekuensi terbit dua kali setahun pada bulan April dan Oktober. (ISSN 1411-660X).
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 374 Documents
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PENGARUH KADAR CALCIUM SULFOALUMINATE SEBAGAI SUBSTITUSI SEMEN TERHADAP PROPERTI SEGAR, MENGERAS, DAN DURABILITAS MORTAR Yudhi Noer Cahya Wijayadi; Herry Suryadi Djayaprabha
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6370

Abstract

Due to the apprehension about global warming caused by extensive carbon dioxide (CO2) emissions, the construction industry is striving to develop alternate composite cement. Calcium sulfoaluminate (CSA) cement has been utilized since it consumes less energy and discharges less CO2 during production in comparison to Ordinary Portland Cement (OPC). CSA cement has gained popularity due to its exceptional abilities like rapid setting, high strength, and durability. In construction materials, CSA has been extensively used as a substitute binder, either partially or entirely replacing OPC. This research involved the partial substitute of OPC with CSA in varying amounts of 0%, 12.5%, 25%, 37.5%, and 50% while maintaining a fixed water-to-binder ratio of 0.4 for mortar production. The study aimed to explore the fresh properties, hardened properties, and durability of mortar. The results indicated that the optimal CSA proportion of 12.5% exhibited in compressive strength of 36.70 MPa and flexural strength of 7.36 MPa at 28 days. Furthermore, the results revealed that the CSA proportion of 12.5% displayed satisfactory durability-related properties at 28 days with a drying shrinkage value of 640 mm/m, ultrasonic pulse velocity of 4274 m/s, and a sorptivity coefficient of 5.46×10-4 mm/s1/2.
PEMANFAATAN BUILDING INFORMATION MODELLING (BIM) PADA PERANCANGAN STRUKTUR BAJA TERHADAP BEBAN GEMPA Pinta Astuti; Rangga Kurnianto; Surya Dewi Puspitasari
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6371

Abstract

This study focuses on designing the steel structure construction toward earthquake load, which uses Istana Qur’an as a research object. Modeling and designing the steel structural building by using two different software, SAP2000, and Tekla Structure. In the making process, the authors made presumptions on workload according to Indonesian Design Standards such as minimum design loads, seismic load design, seismic load for steel structure design, and joints in steel structure. Not only from a structural strength view for human safety but also the construction time and material cost are also able to be estimated which is becoming faster and more affordable compared to implementing the conventional method. As a full analysis result, in this steel design, there are six different steel profiles were used for steel building construction. For instance, IWF 440.300.11.18 as the column, IWF 350.175.7.11 and IWF 250.125.6.9 as the beams, IWF 200.100.5,5.8 as the gable roof frame, UNP 150.75.9.12,5 as purlin and L 150.150.15 as collar tie.
ANALISIS ESTIMASI BIAYA PERAWATAN BANGUNAN GEDUNG DI UNIVERSITAS PALANGKA RAYA Pia Inez Devina; Rudi Waluyo; Veronika Happy Puspasari
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6407

Abstract

Building holds significant importance for the college to facilitate learning activities. Over time, buildings deteriorate and require regular maintenance to ensure their functionality and reliability. The aim of this study is to identify the type of damage, determine the percentage of damage to building components, and estimate the cost of maintenance for the buildings at Universitas Palangka Raya. Data collection involves conducting surveys and documentation. The analysis includes identifying damage to building components, calculating the volume of damage and total volume of building components, determining the percentage of damaged building components, and analyzing the cost of maintenance. The study reveals that out of 12 buildings at Universitas Palangka Raya, 13 types of architectural damage were found in various building sub-components. These include 0.526% of loose roof covering, 3.597% of fragile/eroded ceiling frame, 3.118% of fragile/damaged ceiling, 3.688% of the loose panel, 1.837% of cracked aluminum window glass, 58.594% of lost and damaged wooden door, 43.403% of lost and damaged planting key, 23.750% of the lost hinge, 3.725% of broken and cracked ceramic floor covering, 100% of cracked and loose concrete floor covering, 100% of rusty roof construction, and 0.769% of loose column pole cover sub-components. The total cost of maintenance is estimated to be IDR 207,463,000.
PEMANFAATAN LIMBAH MASKER SEKALI PAKAI SEBAGAI BAHAN PENGGANTI ASPAL TERHADAP NILAI STABILITAS DAN FLOW Mutiara Permata Puspita Dewi; Wike Andaresta Elsa Putri; Pricillia Kurniawan; Bella Koes Paulina Cantik
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6913

Abstract

During the COVID-19 pandemic, it is essential to adhere to health protocols, one of which includes the use of a disposable mask for personal protection. However, the widespread use of single-use masks has resulted in a new problem, which is the accumulation of mask waste. Therefore, it is necessary to find a solution to reduce the amount of mask waste. One innovative solution to this problem is the utilization of masks in the infrastructure sector. Masks made of polypropylene are advantageous as they act as a good binder. By incorporating an appropriate percentage of mask waste, it is possible to produce bitumen with good parameters. This study aims to evaluate the stability and flow parameters of bitumen mixtures by substituting bitumen with 3-ply disposable mask waste. Experimental testing was conducted by replacing bitumen with mask waste at percentages of 0.5%, 0.75%, 1%, 1.5%, and 2%. The hot mix method was used to mix asphalt with the waste masks at a temperature of 150oC. Sensitivity analysis was performed to determine the impact of the percentage of mask waste on the stability and flow assessment parameters using the Marshall Test. The results of this study indicate that an increase in the percentage of mask waste leads to a sensitive response in the stability and flow values. The optimum percentage of mask waste for the mixture was found to be 1.50%, resulting in stability and flow values of 1020.36 kg and 4 mm, respectively.
EFEKTIVITAS ANGKUR EPOKSI TERHADAP KEKANGAN EKSTERNAL BALOK BETON BERTULANG DENGAN PERKUATAN CFRP Dinar Gumilang Jati; Junaedi Utomo; Felix Adi Tanudjaja; Han Ay Lie
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.7021

Abstract

Externally Bonded Carbon Fiber Reinforced Polymer (EB-CFRP) with U-wrap is one of the alternative external strengthening of modern reinforced concrete beams, which has been proven effective in significantly increasing flexural and deformation capacities. Although quite effective in increasing the structural capacity, external reinforcement needs to be studied further about its failure behavior, the avoided failure is called debonding, an interface bond failure between the FRP composite material and the concrete material. Epoxy has a fairly high material resistance, but its use as a reinforcing composite bonding material needs further investigation. Adding epoxy anchors at the ends of CFRP can mobilize the tensile strength in CFRP, eliminating or delaying debonding failure. Epoxy anchors (epoxy-filled grooves) are expected to be effective and flexible for application to various forms of components of reinforced concrete structures that have been reinforced with EB-CFRP. Currently, there are no standards and guidelines for applying FRP anchors. However, research has been conducted on the failure pattern of FRP anchors with U-style wrapping which can avoid debonding so that failure with FRP rupture can be achieved. This study examines the effectiveness of epoxy anchorage in improving the external strengthening of reinforced concrete beams with EB-CFRP reinforcement. The behavior of epoxy anchors in reinforced concrete beams with EB-CFRP will be investigated through experimental tests.  
IMPLEMENTASI PROTOKOL PENCEGAHAN PENYEBARAN COVID-19 PADA PROYEK KONSTRUKSI JALAN Angelina Eva Lianasari; Soandrijanie Linggo
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.7035

Abstract

The ongoing COVID-19 pandemic is yet to be resolved, and according to epidemiologists, a third wave of the outbreak was expected to occur in February–March 2022. During August–September 2022, the rate of daily COVID-19 exposure in Indonesia remained high. The Indonesian Doctors Association (PB IDI) reported a 36-fold increase in COVID-19 cases in Indonesia, from 107 cases in early May 2022 to 3,949 cases daily. Yogyakarta is the sixth most affected province in Indonesia in terms of COVID-19 exposure. Therefore, it is crucial to examine the implementation of COVID-19 Occupational Health and Safety (OHS) practices in construction projects, specifically in the case of road construction. The Planjan-Baron-Tepus Road and Jogja-Bawen Toll Road are the projects selected for data collection, using observational methods and purposive sampling. Occupational Health and Safety is part of the company's management system, which aims to manage work activity risks and create a safe, efficient, and productive workplace. The survey results indicate that the instrument used is reliable and valid. The management has effectively implemented and communicated COVID-19 prevention measures, and the construction workers are satisfied. The workers show high motivation, awareness, and knowledge in reducing the spread of COVID-19. The workers in Planjan-Baron-Tepus Road construction strictly adhere to personal health protocols in their daily behavior. However, workers in Jogja-Bawen toll road construction are less obedient and require further motivation to be classified as highly obedient.
EVALUASI LIKUIFAKSI PASIR SILIKA REMBANG MELALUI UJI TRIAKSIAL CONSOLIDATED UNDRAINED Rini Kusumawardani; Togani Cahyadi Upomo; Untoro Nugroho; Hanggoro Tri Cahyo
Jurnal Teknik Sipil Vol. 17 No. 3 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i3.6762

Abstract

Likuifaksi merupakan fenomena dimana tanah pasir lepas dalam kondisi jenuh air kehilangan kekuatannya akibat dari beban statik maupun dinamik yang umumnya diakibatkan oleh gempa bumi. Beban statik maupun dinamik yang disalurkan kedalam tanah tersebut menyebabkan peningkatan tekanan air pori yang signifikan sehingga tegangan efektif tanah menjadi hilang. Fenomena likuifaksi beberapa kali terjadi di Indonesia, seperti fenomena likuifaksi di Yogyakarta tahun 2006, Lombok dan Palu tahun 2018. Salah satu metode untuk menilai likuifaksi dapat menggunakan pengujian triaksial statik dengan menerapkan kondisi consolidated undrained (CU). Pada studi ini, pengujian triaksial pada kondisi CU diterapkan untuk menguji potensi likuifaksi pada tanah pasir silika Rembang. Pengujian dilakukan pada kondisi tanah pasir lepas dengan kepadatan relatif  dan tanah pasir setengah padat dengan . Agar  rencana tercapai, metode pemadatan basah diterapkan dalam mencetak sampel. Selama pengujian, tegangan efektif  yang diberikan pada sampel sebesar 100 kPa dan 400 kPa. Hasil pengujian menunjukkan bawah tegangan air pori pada kepadatan relatif 10% cenderung naik sampai dengan nilai tegangan efektif  yang diberikan. Hal tersebut menyebabkan tanah kehilangan tegangan efektifnya dan mengalami likuifaksi. Sedangkan pada kepadatan relatif 40%, tegangan air pori akan mencapai puncak dan selanjutnya konstan sehingga tanah dapat menjaga kekuatannya.
STUDI LABORATORIUM CAMPURAN BIOPOLIMER GLUKOMANAN DAN BEESWAX UNTUK MENINGKATKAN KUAT GESER TANAH PASIR Andra Ardiana; Aswin Lim; Henky Muljana; Heriansyah Putra; Budijanto Widjaja
Jurnal Teknik Sipil Vol. 17 No. 3 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i3.6968

Abstract

Pada saat ini, pemakaian semen Portland (OPC) pada dunia konstruksi mulai dikurangi dan dialihkan ke material yang ramah lingkungan, seperti biopolimer. Biopolimer adalah polimer alami yang berasal dari tumbuhan, hewan, alga, jamur, atau sumber bakteri yang terdiri dari polisakarida. Penggunaan biopolimer sebagai bahan organik memiliki tantangan tersendiri yaitu sifatnya yang sangat sensitif terhadap air dan mengalami biodegradasi. Pada penelitian ini, sifat sensitif terhadap air akan coba dikurangi dengan mencampur sampel pasir silika dengan lilin lebah (beeswax) yang bersifat hidrofobik dan biopolimer yang digunakan adalah glukomanan. Selain itu, metode pencampuran sampel pada kondisi basah dan kondisi kering juga ditinjau untuk memperoleh metode yang lebih baik untuk pencampuran sampel. Hasil uji laboratorium menunjukan peningkatan nilai kohesi sebesar 264,8 kPa dan sudut geser dalam sebesar 44,7 ̊ serta nilai Undrained shear strength sebesar 525,8 kPa dari uji kuat tekan bebas dengan komposisi biopolimer 2 % glukomanan ditambah 2 % lilin lebah. Komposisi biopolimer yang seimbang antara glukomanan dan lilin lebah, suhu pemanasan 110 ̊ C, dan metode pencampuran basah merupakan kondisi yang paling optimal dalam pembuatan sampel uji.
PENGGUNAAN METODE PROJECT EVALUATION REVIEW TECHNIQUE (PERT) DALAM EVALUASI PERENCANAAN PENJADWALAN PROYEK Mahdika Putra Nanda; Mega Kurniawati; Sigit Riswanto
Jurnal Teknik Sipil Vol. 17 No. 3 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i3.7181

Abstract

Penjadwalan proyek konstruksi merupakan bagian penting dari manajemen proyek yang membutuhkan perencanaan yang cermat untuk menyelesaikan proyek tepat waktu dan sesuai dengan anggaran yang telah ditentukan. Tujuan utama dari penelitian ini adalah untuk menentukan berapa lama proyek Pembangunan Wisata Air Sungai akan berlangsung secara optimal serta untuk untuk mengukur tingkat ketidakpastian atau risiko dalam penjadwalan proyek. Salah satu metode yang digunakan adalah PERT, yang telah dievaluasi dalam perencanaan penjadwalan Proyek Wisata Air. Hasil penelitian menunjukkan bahwa durasi optimum penjadwalan proyek adalah 146 hari dengan nilai standar deviasi seluruh pekerjaan adalah 17,671 atau setara dengan 18 hari. Waktu optimis proyek adalah 128 hari dan waktu pesimis proyek adalah 164 hari dengan tingkat probabilitas 99,92%. Dari perhitungan jadwal waktu proyek dengan network planning, didapatkan kegiatan yang masuk jalur kritis, antara lain pekerjaan persiapan, tiang pancang, pondasi panggung terapung, frame jembatan, pemasangan mesin hidrolik dan Electric control. Namun, penggunaan metode PERT dalam perencanaan penjadwalan proyek konstruksi memerlukan keterampilan khusus dan pengalaman yang cukup untuk perhitungan yang efektif dan efisien.
PEMODELAN NUMERIK KAPASITAS LENTUR BALOK BETON DENGAN PENULANGAN SERAT BERPOLIMER Kasih Jhoniper Simanjuntak; Andreas Triwiyono; Suprapto Siswosukarto
Jurnal Teknik Sipil Vol. 17 No. 3 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i3.7555

Abstract

Aplikasi Fiber Reinforcement Polimer (FRP) sebagai tulangan menjadi salah satu inovasi baru untuk sistem beton bertulang. FRP atau serat berpolimer merupakan material dengan sifat elastis dan mempunyai kuat tarik yang lebih tinggi dibandingkan baja. Selain mempunyai kelebihan sifat mekanika, FRP juga memiliki sifat tahan korosi, dan sifat non-magnetik, yang dapat memperlambat deteriorasi material akibat lingkungan. Pemodelan balok bertulangan FRP secara numeris dengan finite element perlu dibuat untuk menggantikan pengujian ekseperimental. Dalam penelitian ini dilakukan pemodelan elemen balok lentur dengan perangkat lunak ABAQUS CAE. Dimensi balok 150 mm x 100 mm, panjang 2400 mm dengan tulangan memanjang jenis glass fiber reinforcement polimer (GFRP) tekan dan tarik masing - masing 2D10 dan sengkang D4-100 dengan pembebanan statik  four point loading.  Dalam pemodelan digunakan interaksi perfect bond antara GFRP dan beton sekelilingnya. Untuk validasi pemodelan, kurva beban - defleksi hasil pemodelan dibandingkan dengan kurva beban – defleksi hasil pengujian eksperimental sebelumnya. Hasil model tervalidasi relatif baik dibandingkan hasil eksperimental. Dengan hasil pemodelan yang sudah tervalidasi, beban maksimum model numerik dibandingkan dengan analisis kapasitas lentur nominal SNI 8970 : 2021 sehingga didapatkan rasio perbandingan kapasitas nominal dan beban maksimum model numerik. Diagram beban-defleksi di awal sangat dekat, dengan selisih beban ultimit pada model dengan hasil pengujian lentur balok 12,1%. Perbandingan kapasitas lentur nominal bertulangan GFRP berdasarkan SNI 8970:2021 dan beban maksimum model numerik diperoleh 0,5, aman digunakan sebagai acuan perencanaan balok beton bertulangan.

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