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Program Studi Teknik Sipil Universitas Atma Jaya Yogyakarta Jl.Babarsari No.44 Yogyakarta
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INDONESIA
Jurnal Teknik Sipil
ISSN : 1411660X     EISSN : 25492918     DOI : -
Core Subject : Engineering,
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).
Articles 9 Documents
Search results for , issue "Vol 15, No 1 (2018)" : 9 Documents clear
Influence of Gravel as Protection Layer on the Filter Run Time Anggraini, Agustina Kiky; Fuchs, Stephan
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (225.153 KB) | DOI: 10.24002/jts.v15i1.3152

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Abstract: Since the beginning of the usage of slow sand filter (SSF) as one of the water treat-ment technologies, studies on how to enhance the performance have been conducted to date. One of the limitations in the current knowledge is regarding the method to increase the filter run time. The addition of protection layer may extend the filter run time. This paper focuses on the influence of gravel as the protection layer to the filter run time and turbidity removal. Gravel was chosen as the material of protection layer because of its low-cost and availability. A system-atic investigation by comparing only one different factor within the filter, which was protection layer, was conducted under the laboratory scale. The experimentconsisted of two filter columns namely K1 and K2. Both filters were constructed using the same filter depth, type of sand, and grain size distribution. The protection layer was added to filter K1, but not to filter K2. The sol-ids penetration and the increase of filter head loss wasused to evaluate the filter run time. A sta-tistical analysis was also carried out to examine the difference on the turbidity removal from both filters. The findings showed that by adding the protection layer, the filter run time could be extended up to 70%. Regarding to the turbidityremoval, there was insignificant difference between two filters.
Kendala Penerapan Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) pada Kontraktor di Bali Dharmayanti, G.A.P. Candra; Pramana, G.N.P. Sien
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (183.987 KB) | DOI: 10.24002/jts.v15i1.3146

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Abstract: Previous research suggested that the implementation of OHS in building construction projects in Indonesia ranges from 30% - 80%.Priority analysis related to the constraints of the OHS implementation in the Indonesian construction, particulary in Bali, need to be conducted to minimize the level of workplace accidents. This study aimed to analyze and prioritize the barriers of the OHS implementation faced by the contractors in Bali. Data collection was carried-out usinga questionnaire survey distributed to the respondents that were selected based on purposive sampling. The criteria of respondents werethose who experienced onimplementing OHS on building construction projects in Bali. Data was analyzed using the Analytic Hierarchy Process (AHP) to determine the level of priority of the identified barriers. The results showed thatthe barriers to the OHS implementation, sorted from the main ones, namely: limited OHS funds (3,231), low priority of OHS implementation by the company management (2,020), low culture and discipline to implement OHS (1,031), lack of knowledge about OHS (0,725), weak supervision (0.478), low sanctions from companies (0.340), and contractors forced to work late at night (0.230).These barriers can be managed by high commitment of the contractor and the project owner to allocate health andsafety costs of the project in the phase of planning and construction, to improve safety culture by supervising and implementing sanctionto the indicipline workers that do not applypersonal protective equipment orsafety working procedure. Abstrak: Penelitian terdahulu menunjukkan bahwa penerapan SMK3 pada proyek konstruksi gedung di Indonesia tidak mencapai 100%, atau berkisar antara 30% - 80%. Analisis prioritas terkait kendala dalam penerapan SMK3 di dunia konstruksi perlu dilakukan untuk meminimalkan tingkat kecelakaan kerja. Penelitian ini bertujuan untuk mengidentifikasi dan memprioritaskan kendala pada penerapan SMK3 yang dihadapi oleh kontraktor. Pengumpulan data dilakukanmenggunakan kuesioner yang didistribusikan kepada responden yang dipilih berdasarkan purposive sampling dengan kriteria responden yang pernah menangani proyek konstruksi gedung yang menerapkan SMK3. Responden diambil dari kontraktor yang berlokasi di Bali. Analisis data dilakukan menggunakan Analytic Hierarchy Process (AHP) untuk menentukan tingkat prioritas/kepentingan dari kendala yang teridentifikasi. Hasil analisis menunjukkan nilai prioritas jenis kendalapada penerapan SMK3 yang diurutkan dari yang paling utama yaituterbatasnya dana K3 (3,231), rendahnya prioritas K3 oleh manajemen perusahaan (2,020), rendahnya budaya dan disiplin K3 (1,031), kurangnya pengetahuan mengenai K3 (0,725), lemahnya pengawasan (0,478), lemahnya penerapan sanksi dari perusahaan (0,340), dan kontraktor memaksakan bekerja sampai larut malam (0,230). Untuk mengatasi hambatan ini, diperlukan komitmen yang tinggi darikontraktor dan pemilik proyek untuk mengalokasikan biaya K3 proyek pada tahap perencanaan dan konstruksi, meningkatkan budaya keselamatan dengan meningkatkan pengawasan penggunaan APD dan memberikan sanksi pada pekerja yang tidak bekerja sesuai prosedur keselamatan kerja.
Reusability Study of Steel Leaning Column Structure Utilizing Nonlinear Static Analysis Ardianto, Johan
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.491 KB) | DOI: 10.24002/jts.v15i1.3153

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Abstract: Two major earthquakes hit twoplaces in Indonesia in 2018, Palu city with 7.7 SR earthquake, and Lombok island by 6.4 SR earthquake. Many building especially concrete structure building got heavily damaged and even collapsing. Most of the damaged parts are the building’s beam-column joint, due to improper reinforcing. This damaged building is very difficult to repair due to disintegrated concrete. Thus, this building cannot be used anymore, and nothing can bedone except removing the remains and build a new structure. Because of this reason, this paper is studying a concept of reusability in structure, with the purpose to minimize structural damage in certain part of the building using leaner column theory. Leaning columns are columns that are pinned at each connection and provide no bending restraint in system. Theoretically leaning column cannot support axial and lateral loads, but since it is designed to lean on other structure, it can still resist the forces. Hence, this column is not suffering from lateral moment due to earthquake load, and the section is not exposed to damage. This paper is studying behavior of leaning column on exterior part of the structure with numerical simulation. Three-story building is modeled, one is with leaning column system, and the other is without leaning column. Performance-based design analysis with pushover method is carried. Result indicating that by using leaning column, exterior structure is not suffering from high moment when being hit byearthquake, and in other word, the exterior structure is not damaged when the earthquake comes and still can be used again.
Kajian Eksperimental Sifat Mekanik Beton Porous dengan Variasi Faktor Air Semen Desmaliana, Erma; Hazairin, Hazairin; Herbudiman, Bernardinus; Lesmana, Rossa
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.16 KB) | DOI: 10.24002/jts.v15i1.3147

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Abstract: Porous concrete is one of the sustainable concrete technology innovations without fine aggregates and high porosity. Porous concrete could be used on road pavement to overcome the run-off water and applied as a retaining wall to minimize groundwater pressure. This study purposes to determine the mechanical properties of compressive strength, split-tensile strength, flexuralstrength and permeability of porous concrete with various water cement ratio experimentally. 10-mm-diameter and 20-mm-diameter of Batujajar split used as coarse aggregates. This study uses concrete mixture with water cement ratio variations of 0.3, 0.35, 0.4, 0.45 and 0.5 on the coarse aggregate gradation of continuous. The test specimens used three cylinders of 15x30cm for compressive and split-tensile strengths, except for permeability strength which used one cylinder of 10x20cm. Beam specimens of 15x15x60cm were used for bending strength test by third-point loading method. The tested mechanical properties are 7, 14 and 28 days compressive strengths, 28 days split-tensile strength, 28 days bending strength and 28 days permeability strength. The experimental results show that the average compressive strengths of porous concrete with variationof water cement ratio of 0.3, 0.35, 0.4, 0.45 and 0.5 for 28 days is 17.9 MPa, 16.1 MPa, 14.2 MPa, 11.2 MPa and 8.8 MPa, respectively. The average split-tensile strengths of porous concrete with variation of water cement ratio of 0.3, 0.35, 0.4, 0.45 and 0.5 for 28 days is 1.6 MPa, 1.5 MPa, 1.4 MPa, 1.2 MPa and 0.9 MPa, respectively. The average flexural strengths of porous concrete with variation of water cement ratio of 0.3, 0.35, and 0.4 for 28 days is 1.6 MPa, 1.5 MPa and 1.1 MPa, respectively. The average permeability strengths of porous concrete with variation of water cement ratio of 0.3, 0.35, 0.4, 0.45 and 0.5 for 28 days is 3.5 mm/s, 3.7 mm/s, 4.1 mm/s, 4.3 mm/s dan 5.0 mm/s, respectively. Based on the experimental study it shows that porous concrete with all variations of water cement ratio achieves the structural strength and is recommended as a pre-fabricated pavement structure material with small dimensions relatively to prevent bending cracks. Abstrak: Beton porous merupakan salah satu inovasi teknologi beton berkelanjutan tanpa agregat halus dengan porositas tinggi. Beton porous ini dapat digunakan pada perkerasan jalan untuk menanggulangi air run-off, serta dapat diaplikasikan sebagai dinding penahan tanah yang berfungsi untuk meminimalisir tekanan air tanah. Penelitian ini bermaksud untuk mengkaji secara eksperimental sifat mekanis terhadap kuat tekan, kuat tarik belah, kuat lentur dan permeabilitas beton porous dengan berbagai variasi faktor air semen. Agregat kasar yang digunakan batu pecah Batujajar berukuran 10 mm – 20 mm. Penelitian ini menggunakan campuran beton dengan variasi faktor air semen sebesar 0.3, 0.35, 0.4, 0.45, dan 0.5 pada gradasi agregat kasar menerus. Benda uji yang digunakan untuk setiap varian adalah 3 benda uji beton silinder yang berukuran 15x30 cm untuk uji kuat tekan beton dan uji kuat tarik belah beton dan 1 benda uji beton silinder 10x20 cm untuk uji permeabilitas. Benda uji balok berukuran 15x15x60 cm untuk uji kuat lentur dengan metode third point loading. Sifat mekanik yang diuji adalah kuat tekan beton pada umur 7, 14 dan 28 hari untuk uji kuat tekan beton dan 28 hari untuk kuat tarik belah beton, kuat lentur beton dan permeabilitas. Hasil eksperimen menunjukkan nilai kuat tekan beron porous dengan varian campuran faktor air semen 0.3, 0.35, 0.4, 0.45, 0.5 untuk 28 hari berturut-turut adalah 17.9 MPa, 16.1 MPa, 14.2 MPa, 11.2 MPa, dan 8.8 MPa. Nilai kuat tarik belah beton dengan varian campuran faktor air semen 0.3, 0.35, 0.4, 0.45, 0.5 untuk 28 hari berturut-turut adalah 1.6 MPa, 1.5 MPa, 1.4 MPa, 1.2 MPa, dan 0.9 MPa. Nilai kuat lentur beton dengan varian campuran faktor air semen 0.3, 0.35, 0.4 untuk 28 hari berturut-turut adalah 1.6 MPa, 1.5 MPa, 1.1 MPa. Nilaipermeabilitas beton porous dengan varian campuran faktor air semen 0.3, 0.35, 0.4, 0.45, 0.5 adalah 3.5 mm/det, 3.7 mm/det, 4.1 mm/det, 4.3 mm/det dan 5.0 mm/det. Dari hasil eksperimen menunjukkan bahwa beton porous dengan semua variasi faktor air semen mampu mencapai kekuatan struktural dan penggunaannya layak direkomendasikan sebagai material struktur perkerasan pre-fabrikasi dengan dimensi yang relatif kecil untuk menghindari retak lentur.
HALAMAN JUDUL Ansusanto, Dwijoko
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (19.431 KB) | DOI: 10.24002/jts.v15i1.3159

Abstract

This is the front matter of Vol. 15, No.1 Oct 2018.
Kajian Pemanfaatan Ruang Kota Berkelanjutan (Studi Kasus di Kota Denpasar) Wiryananda, Ngakan Gd. A. Khrisna; Hasibuan, Hayati Sari; Madiasworo, Taufan
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (716.641 KB) | DOI: 10.24002/jts.v15i1.3148

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Abstract: The rapid development of tourism and the population growth of the population caused the problem on the spatial utilization of Denpasar City. The spatial utilization that occurred has not been in accordance with the objectives to be achieved. The fact is that the economy continues to grow, but ignores the existing environmental aspects. This study aims to analyzethe impact of spatial utilization on environmental and economic aspects as well as to formulate the sustainable urbanspatial utilization. This research uses spatial analysis technique and calculate sustainability index of environmental and economic. The results show that during the period of 2011 to 2015 the land use for settlements, tourism, and rice fields is not in accordancewith the spatial plan of Denpasar City 2011-2031. The impact of spatial utilization on environmental and economical aspects leads to unsustainable. This is evident from the environmental index value of the year 2011 that is 1.065 continues to decline to 1.056 in 2015. The economic index value which tends to decrease that is 1.012 in 2011 down to 0.992 in 2015. The formulation of sustainable urban spatial utilization should be done by planning the vertical building, implementation of autonomous traditionalrules, the implementation of perennial rice field, the utilization of vacant land and establishment of task control unit of traditional village. Abstrak:Pesatnya perkembangan pariwisata dan pertumbuhan penduduk menyebabkan permasalahan pada pemanfaatan ruang Kota Denpasar. Pemanfaatan ruang yang terjadi belum sesuai dengan tujuan yang ingin dicapai. Fakta yang terjadi yaitu perekonomian terus mengalami pertumbuhan, namun mengabaikan aspek lingkungan yang ada. Penelitian ini bertujuan untuk menganalisis dampak pemanfaatan ruang pada aspek lingkungan dan ekonomi serta merumuskan pemanfaatan ruang Kota Denspasar yang berkelanjutan. Penelitian ini menggunakan teknik analisis spasial dan menghitung indeks keberlanjutan lingkungan dan ekonomi. Hasil penelitian menunjukkan selama kurun waktu 2011 sampai 2015 penggunaan lahan untuk pemukiman, pariwisata, dan sawah belum sesuai dengan RTRW Kota Denpasar 2011-2031. Dampak pemanfaatan ruang pada aspek lingkungan dan ekonomi mengarah pada tidak berkelanjutan. Hal tersebut terlihat dari nilai indeks lingkungan tahun 2011 yaitu 1,065 terus menurun menjadi 1,056 pada 2015. Nilai indeks ekonomi cenderung mengalami penurunan yaitu 1,012 tahun 2011 menjadi 0,992 tahun 2015. Rumusan pemanfaatan ruang kota berkelanjutan dilakukan dengan merencanakan bangunan vertikal, penerapan aturan adat secara otonom, penerapan sawah abadi, pemanfaatan lahan kosong dan pembentukan satuantugas pengendalian ruang adat.
Pengaruh Susunan Bambu terhadap Peningkatan Kekuatan dan Kekakuan Elemen Struktur Bangunan Noverma, Noverma; Yusrianti, Yusrianti; Hapsari, Oktavi Elok
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.431 KB) | DOI: 10.24002/jts.v15i1.3150

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Abstract: Bamboo is one of the building materials that come from nature, has a very light density. Besides that also has high tensile strength and flexural strength. Bamboo in construction activities can also reduce environmental impacts. Base on its characteristics, bamboo can support the concept of green buildings and earthquake-resistant buildings. As a building material, bamboo can be used as structural and non-structural elements in building construction. Properties of bamboo,with high flexural strength, are interesting to be studied. Because besides being a strength, it is also a weakness related to the convenience of construction. In practice in the field, the use of bamboo as beam elements when the load is applied, bamboo suffers from a high deflection that exceeds the permit deflection and causes discomfort to the structure's function. One of the solutions is to combine bamboo culms. This research is to compare the strength and stiffness of bamboo culmscombined with two bamboo culms and three bamboo culms and then modeled as beam elements, and then apply the bending load till the ultimate limit. The results reveal that load and stiffness increased with the number of bamboo culms is combined. The percentage increase in load and stiffness reached 44% and 5.35% with the stacking of two bamboo culms and 169% and 9.62%with three bamboo culms. Abstrak: Bambu merupakan salah satu material bangunan yang berasal dari alam dan mempunyai berat jenis yang ringan, serta kuat tarik dan kuat lentur yang tinggi. Disamping itu pemanfaatan bambu dalam kegiatan konstruksi juga dapat mengurangi dampak lingkungan. Berdasarkan ciri tersebut, bambu dapat menjadi alternativ dalam mendukung konsep green building dan bangunan tahan gempa dalam desain konstruksi. Sebagai bahan bangunan, bambu dapat dimanfaatkan sebagai elemen struktur maupun elemen non struktur. Salah satu sifat bambu yang menarik untuk diteliti adalah permasalahan kuat lentur bambu yang tinggi. Sifat ini selain menjadi keunggulan juga dapat menjadi kelemahan, hal ini terkait kenyamanan fungsi struktur yang harus dipenuhi pada suatu konstruksi. Salah satu solusi untuk mengatasi kelemahan ini, dapat dilakukan dengan menyusun batang-batang bambu dalam penggunaannya sebagai elemen struktur. Penelitian dilakukan dengan mengkomparasi kekuatan dan kekakuan satu batang bambu terhadap batang bambu yang disusun dua dan batang bambu yang disusun tiga yang dimodelkan sebagai elemen balok. Hasil penelitian menunjukkan bahwa terjadi peningkatan beban dan kekakuan seiringbanyaknya jumlah susunan batang bambu. Porsentase peningkatan beban terhadap bambu tunggal mencapai 44% untuk bambu susun 2 dan 169% untuk bambu susun 3. Sedangkan porsentase kekakuan terhadap bambu tunggal naik 5,35% untuk bambu susun 2 dan 9,62% untuk bambu susun 3.
Pengaruh Variasi Penentuan Kerapatan Bambu Petung terhadap Nilai Modulus Elastisitas Dinamis Nurjanah, Nurjanah; Awaludin, Ali; Irawati, Inggar Septhia
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.974 KB) | DOI: 10.24002/jts.v15i1.3151

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ABSTRAK: Pengujian untuk mengetahui kekuatan dari suatu material sangat penting dilakukan. Pengujian yang sering dilakukan yaitu dengan menggunakan metode statis dan dinamis untuk mencari nilai modulus elastisitas. Sedangkan untuk mengetahui nilai modulus elastisitas dinamis maka nilai kerapatan bambu harus diperhitungkan. Namun, struktur anatomi bambu yang sangat bervariasi dari bagian pangkal sampai ke bagian ujung bamboo mempersulit dalam perhitungan kerapatan bambu. Oleh karena itu, penelitian ini bertujuan untuk mengukur nilai kerapatan bamboo dengan menggunakan metode ISO dan metode Archimedes dan melihat pengaruhnya terhadap perhitungan nilai Modulus Elastisitas Dinamis bambu Petung.
Identifikasi dan Upaya Penanggulangan Cacat Konstruksi Bangunan Perumahan Menggunakan Metode Six Sigma Prihatno, Bowo; Ervianto, Wulfram Indri; Kaming, Peter Fortunatus
Jurnal Teknik Sipil Vol 15, No 1 (2018)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (652.331 KB) | DOI: 10.24002/jts.v15i1.3145

Abstract

ABSTRACT: This study aims to identify construction defects in residential buildings of type 50 and smaller in the Special Region of Yogyakarta, examine the efforts of housing developers in overcoming construction defects, as well as the level of suitability and comfort of residential buildings according to consumers. This study adopted Six Sigma method as an instrument to get the value of construction defects. Data collection is done by distributing questionnaires confirmed by interviews, as well as observations to residential buildings. Respondents numbered 14 residential consumers, 8 housing developers. Observations by researcher in 8 housing units. The results showed construction defects as a result of consumer identification was 20.87%, while theresults of the identification of researcher were 25.40%. The efforts to overcome construction defects with the lowest value are: the formal application of a quality management system. The biggest obstacle in developing small types of housing is land prices. The level of feasibility of housing received an answer 50% of respondents said it was feasible, 50% of respondents said it was quite feasible. The level of comfort of residential housing gets the answer 28.6% of respondents said it was comfortable, 57.1% of respondents said it was quite comfortable, and 14.3% of respondents said it was uncomfortable. ABSTRAK: Penelitian ini bertujuan untuk mengidentifikasi besaran cacat konstruksi bangunan perumahan tipe 50 dan lebih kecil di Daerah Istimewa Yogyakarta, mengkaji upaya pengembang perumahan dalam menanggulangi cacat konstruksi, serta tingkat kelayakan dan kenyamanan huni bangunan perumahan menurut konsumen. Penelitian ini mengadopsi metode six sigma sebagai instrumen untuk mendapatkan nilai cacat konstruksi. Pengumpulan data dilakukan dengan menyebarkan kuesioner yang dikonfirmasi dengan wawancara, serta observasi ke bangunan perumahan.Responden berjumlah 14 konsumen perumahan, 8 pengembang perumahan. Observasi dilaksanakandi 8 unit perumahan. Hasil penelitian menunjukkan besaran cacat konstruksi hasil identifikasi konsumen adalah 20,87% sedangkan hasil identifikasi peneliti adalah 25,40%. Upaya penanggulangan cacat konstruksi dengan nilai terendah adalah: penerapan sistem manajemen mutu secara formal. Kendala terbesar dalam pengembangan perumahan tipe kecil adalah harga tanah. Tingkat kelayakan huni perumahan memperoleh jawaban 50% responden menyatakan layak, 50% responden menyatakan cukup layak. Tingkat kenyamanan huni perumahan memperoleh jawaban 28,6% responden menyatakan nyaman, 57,1% responden menyatakan cukup nyaman, dan 14,3% responden menyatakan kurang nyaman.

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