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Jurnal Teknik Sipil

JTS
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Published by Institut Teknologi Bandung

ISSN : 08532982 EISSN : 25492659 DOI : 10.5614/jts

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

Jurnal Teknik Sipil merupakan jurnal ilmiah yang diterbitkan berkala setiap tiga bulan, yaitu April, Agustus dan Desember. Jurnal Teknik Sipil diterbitkan untuk pertama kalinya pada tahun 1990 dengan membawa misi sebagai pelopor dalam penerbitan media informasi perkembangan ilmu Teknik Sipil di Indonesia. Sebagai media nasional, Jurnal Teknik Sipil diharapkan mampu mengakomodir kebutuhan akan sebuah media untuk menyebarluaskan informasi dan perkembangan terbaru bagi para peneliti dan praktisi Teknik Sipil di Indonesia. Dalam perkembangannya, Jurnal Teknik Sipil telah terakreditasi sebagai jurnal ilmiah nasional sejak tahun 1996 dan saat ini telah terakreditasi kembali (2012-2017). Dengan pencapaian ini maka Jurnal Teknik Sipil telah mengukuhkan diri sebagai media yang telah diakui kualitasnya. Hingga saat ini Jurnal Teknik Sipil tetap berusaha mempertahankan kualitasnya dengan menerbitkan hanya makalah-makalah terbaik dan hasil penelitian terbaru.

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Articles 8 Documents

Search results for , issue " Vol 26, No 1 (2019)" : 8 Documents clear

Effect of Slag and Recycled Materials on the Performance of Hot Mix Asphalt (AC-BC) Bethary, Rindu Twidi
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

The limitations of road construction materials require alternative materials such as asphalt recycling and utilization of waste potential such as steel slag for aggregate substitutes. In this study, there were tests for slag characteristics and reclaimed asphalt pavement (RAP) then continued with a marshall test to determine the optimum asphalt content (OAC). The nine mixtures planned in this study consist of 10-30% Slag combined with 10-30% RAP with Reclamite as a rejuvenating material. Using a combination of RAP, there is a decrease in the mixing and compaction temperature of 20°C compared to the conventional hot mix. Test results on hot mix asphalt using a combination of RAP and slag generate an increase of 10-30% each using a combined gradation and volume correction. Test result in heat asphalt mixture by using RAP and slag combination with additional of 10-30% each using correction of volume and combined gradation. For the hot mix asphalt with RAP10 and SLAG 10-30 (HMAR10S10-30), the OAC value is 5.83%, 5.95%, and 5.38%, and for the hot mix asphalt with RAP20 and SLAG 10-30 (HMAR20S10- 30), the OAC value obtained is 5.90%, 5.60%, and 5.95%, and for the hot mix asphalt with RAP30 and SLAG 10-30 (HMAR30S10-30), the OAC value is 5.55%, 5.60 %, and 5.33%.

Dinamika Seas dan Swell dari Laut China Selatan ke Teluk Jakarta: Studi Kasus Kejadian Badai Hagibis, November 2007 Ningsih, Nining Sari; Rachman, Arief; Hadi, Safwan; Hanifah, Farrah
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Karakteristik dinamika seas dan swell di sepanjang perairan Laut China Selatan-Teluk Jakarta pada waktu terjadi Badai Hagibis (18–27 November 2007) dikaji dengan menggunakan metode pemodelan spektrum gelombang untuk mengetahui kontribusi gelombang yang dibangkitkan angin (gelombang angin) terhadap kejadian rob tanggal 25 November 2007 di pantai utara Jakarta. Pada penelitian ini, dilakukan pula uji coba simulasi model spektrum gelombang yang mengacu pada kedalaman tetap (batimetri) dan pada kedalaman total (jumlah batimetri dan pasang surut astronomis) untuk mengetahui pengaruh pasang surut astronomis terhadap hasil simulasi model gelombang yang dibangkitkan angin. Hasil simulasi menunjukkan bahwa gelombang angin di Teluk Jakarta pada tanggal 25 November 2007 didominasi oleh swell dengan tinggi gelombang ~11 cm yang diduga berasal dari Laut China Selatan sebagai daerah pembangkitan badai.

Parameters Optimization of Tuned Mass Damper Using Fast Multi Swarm Optimization Frans, Richard
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Tuned mass damper (TMD) has been used for vibration controller of building, especially for high rise building. TMD is one of passive device for reducing response of the structure which subjected to dynamic external disturbance such as wind, or earthquake load. TMD used its weight for reducing the vibration, TMD’s frequency has been set with structure’s frequency so that the frequency can resonate each other for reducing the response of the structure during the dynamic load. Therefore, three variables have significant effect for TMD performance which are mass ratio of TMD (m), frequency ratio of TMD (a), and damping ratio of TMD (z) which lead to two important variables of TMD properties which are stiffness and damping of TMD. This paper developed an empirical equation for obtaining the optimum parameters of tuned mass damper based on H2 norm control system and fast multi swarm optimization (FMSO). The objective function was to minimize the acceleration and displacement response of the structure. Accelerogram of El-Centro 1940 NS was chosen to be ground motion acceleration for simulating the response of the structure with and without TMD. The result shows a strong correlation both mass ratio of TMD to frequency ratio of TMD and mass ratio of TMD to damping ratio of TMD.

Overlay Thickness of Flexible Pavement Analysis Using the Austroad 2010 Method and the Kenapave Program Case Study: CIPALI (Cikopo—Palimanan) Toll Road Lau, Yansen Stevenson
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Toll roads have an important role on the economic development, therefore it is necessary to make road improvements to increase the road serviceability or minimum service standards (standar pelayanan minimal / SPM), as described in the Indonesian Government Regulation No. 34 of 2006 on roads. The CIPALI toll road has operated since 2015 and it connects Cikampek and Palimanan. Therefore, it is important to carry out a structural maintenance, in this case is by adding an overlay so that the pavement structure remains stable in supporting the repetition load which always increases over time. This study aims to analyze the overlay thickness using the AUSTROAD 2010 mechanistic procedure with the help of the CIRCLY and KENPAVE program, with a study area on the CIPALI toll road between kilometer 110 + 000 to kilometer 115 + 000.Referring to the results of the analysis, the overlay thickness calculated using the CIRCLY program requires a minimum thickness of 170 mm for the 2-layer model and 3-layer model in the direction towards Subang, and 160 mm for the 2-layer model and 150 mm for the 3-layer model in the direction toward Palimanan. The overlay thickness needed with an analysis using the linear-elastic KENLAYER program in the direction towards Palimanan is 140 mm for the 2-layer model and 100 mm for the 3-layer model, while the thickness of the overlay in the direction towards Subang is 160 mm for the 2-layer model and 130 mm for the 3-layer model. The overlay thickness needed with an analysis using the non-linear KENLAYER program in the direction towards is 120 mm for the 2-layer model and 80 mm for the 3-layer model, and for the direction toward Subang is 140 mm for the 2-layer model and 100 mm for the 3-layer model.

Tantangan Penerapan Alokasi Anggaran Biaya SMK3 pada Kontrak Konstruksi Proyek Berisiko Tinggi -, Meifrinaldi -; Wirahadikusumah, Reini D; Adhiwira, Felix -; Catri, Putra Ramadhana; Pradoto, Rani Gayatri Kusumawardhani
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Kementrian Pekerjaan Umum dan Perumahan Rakyat menerbitkan regulasi yang mewajibkan implementasi Sistem Manajemen Kesehatan dan Keselamatan Kerja (SMK3) dalam semua fase pekerjaan konstruksi. Ketentuan tersebut tercantum dalam PermenPUPR 5/2014 yang kemudian diperbarui menjadi PermenPUPR 2/2018 mewajibkan adanya alokasi biaya yang secara spesifik digunakan untuk pengadaan SMK3 dalam Harga Perkiraan Sendiri (HPS). Ketentuan ini dilengkapi dengan adanya pedoman bagi Proyek manager untuk mengestimasi alokasi biaya SMK3. Meskipun begitu, pada praktiknya di lapangan dirasakan masih belum berjalan dengan efektif. Penelitian ini bertujuan untuk menkaji masalah penerapan aturan tersebut yang mencakup perhitungan biaya yang harus dialokasikan oleh kontraktor untuk pengadaan seluruh komponen SMK3, serta menggali pendapat responden mengenai tantangan di lapangan. Pengumpulan data dilakukan dengan melakukan survei terhadap lima belas proyek konstruksi gedung high-rise di wilayah Jakarta dan Bandung. Biaya yang harus dikeluarkan untuk mengimplementasikan kebijakan ini kemudian disimulasikan dan diestimasi berdasarkan hasil wawancara, kuesioner, serta pengumpulan data-data serta dokumen pendukung dari narasumber. Didapatkan bahwa biaya yang harus dialokasikan berkisar antara 1,37% sampai 3,84%. dari total nilai kontrak. Komponen biaya yang paling siginfikan adalah yang berkaitan dengan premi untuk asuransi dan perizinan, serta pembayaran gaji untuk petugas pengawas K3. Sedangkan kendala utama dalam pelaksanaan program SMK3 adalah faktor pekerja, yaitu turnover pekerja yang tinggi sehingga program yang telah disusun menjadi kurang efektif. Responden mendorong Pemerintah untuk mengeluarkan petunjuk teknis yang lebih komprehensif terkait dengan penganggaran SMK3, agar terdapat kesamaan presepsi pada saat pelaksanaan konstruksi di lapangan.

Value Estimation Of California Bearing Ratio From Hand Cone Penetrometer Test For Pekanbaru Soils Nugroho, Soewignjo Agus
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

In practice, the design of pavement is commonly based on the California Bearing Ratio (CBR) test. This research was performed to study the local correlation between Hand Cone Penetrometer (HCP) tests to the field CBR value. The local correlation is determined based on comparisons of HCP and CBR test results for the soil with same density which have been taken from several locations in Pekanbaru City, Indonesia. It was found that there is an approximate linear relation in log scale between HCP test results to CBR values for a certain density of soil. Correlation for HCP and density to CBR has been put forward for the local correlation between those two values. Verification of the formula has shown that the correlation can be used relatively accurate for predicting the field CBR values from the HCP test for in-organic soils. For organic soil, the formula needs to be further researched.

Experimental Study of Energy Dissipation at Baffled Chute Spillway Nugroho, Joko
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Experimental observation on a model of free over flow spillway is used in this study. Three configurations of baffle placement are used in the experiment. The energy along the flow over the spillway were calculated based on measured flow depth and discharge during the experiment. Variations of flow depth and discharge were determined based on baffle height as a reference. The experiments were done in a 7 meters long flume of 0.078 m wide. The spillway model has a dimension of 17.2 cm high, with rounded crest and 1:1 downstream slope. There is no structures placed at the downstream of spillway. The discharge applied to the spillway model is in the range of 0.6 to 1.8 l/s. The experimental results shows that optimum results of energy dissipation were obtained when the flow depth is equal to the height of the baffle. Observed energy dissipations in this is in the range of 30% to 50% upon the incoming energy of the spilled flow. It was also observed that the length of the hydraulic jumped is reduced due to the application of baffled chute.

Penilaian Kerentanan Seismik pada Jembatan Box Girder Beton Prategang Menerus Bentang Majemuk Eksisting melalui Pengembangan Kurva Fragilitas Analitik Silitonga, Daony Roha
Jurnal Teknik Sipil Vol 26, No 1 (2019)
Publisher : Institut Teknologi Bandung

Pengembangan kurva fragilitas merupakan salah satu metode penilaian kerentanan jembatan terhadap beban gempa yang dilakukan untuk memastikan keamanan dan kemampuan layan jembatan selama dan pasca gempa. Kurva fragilitas menunjukkan nilai probabilitas terjadinya suatu tingkat kerusakan pada struktur jembatan akibat suatu intensitas gempa, sehingga dapat digunakan untuk mengidentifikasi potensi kerusakan dan menentukan level kinerja jembatan. Studi ini mengembangkan kurva fragilitas untuk Jembatan Box Girder-Beton Prategang-Menerus-Bentang Majemuk eksisting yang berlokasi di Jakarta, dengan studi kasus pada Jembatan JLNT Tendean. Pengembangan kurva fragilitas mengacu kepada standar HAZUS. Kurva fragilitas dikembangkan dengan melakukan Non-Linear Time History Analysis (NLTHA) pada Model Analisis 3D Jembatan menggunakan program MIDAS CIVIL 2011. Input beban gempa pada NLTHA berupa serangkaian ground motion spesifik situs Jakarta, yang telah diskalakan terhadap Respon Spektra Target baik pada kondisi Beban Gempa Rencana Jakarta maupun pada berbagai level intensitas gempa. Tingkat kerusakan struktur jembatan akibat suatu intensitas gempa ditentukan dari respon seismik hasil NLTHA, berdasarkan nilai parameter kinerja jembatan - NCHRP 440 (2013). Kurva fragilitas yang dihasilkan menunjukkan bahwa Jembatan JLNT Tendean berpotensi mengalami tingkat kerusakan menengah akibat Beban Gempa Rencana, dengan kategori level kinerja “Life Safety”. Tingkat kerusakan runtuh dengan probabilitas terlampaui 50%, akan terjadi pada kejadian gempa dengan PGA sebesar 1.18g. Dengan demikian, dari studi ini dapat disimpulkan bahwa Jembatan JLNT Tendean memiliki fragilitas seismik yang rendah.

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