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Jurnal Teknik Sipil
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Articles 185 Documents
KOEFISIEN PENGALIRAN EMBUNG KECIL DI PULAU FLORES BAGIAN BARAT Krisnayanti, Denik S.; Karels, Dolly W.; Nursyam, Nurul A.
Jurnal Teknik Sipil Vol 7, No 1 (2018): Jurnal Teknik Sipil
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Abstract

Provinsi NTT memiliki empat pulau besar, salah satunya adalah Pulau Flores dengan luas wilayah ±14.000 km2 yang terbagi atas 8 kabupaten. Daerah tersebut termasuk dalam daerah dengan persebaran curah hujannya tidak merata dimana curah hujan rata-rata bulanan berkisar antara 16,669 ? 354,058 mm/bulan. Penelitian ini dilakukan pada 4 kabupaten yakni Kabupaten Manggarai Barat, Manggarai, Manggarai Timur, dan Ngada. Tujuan penelitian ini untuk mengetahui perbedaan nilai koefisien pengaliran menggunakan cara analisis dan perhitungan grafik. Pada penelitian ini menggunakan data curah hujan, klimatologi dan teknis embung untuk perhitungan koefisien pengaliran dengan cara analisis dan perhitungan grafik. Cara analisis menggunakan perhitungan evapotranspirasi metode Penman modifikasi dan perhitungan debit metode F. J. Mock. Cara perhitungan grafik menggunakan data curah hujan dan data kemiringan lahan. Berdasarkan hasil perhitungan dengan menggunakan cara analisis diperoleh nilai koefisien pengaliran berkisar 0,000 ? 0,355 di Manggarai Barat, 0,220 ? 0,823 di Manggarai, 0,006 ? 0,246 di Manggarai Timur, dan Ngada berkisar 0,162 ? 0,786.NTT Province has four large islands, which one is Flores Island with an area ±14,000 km2 devided into 8 districs. These area have uneven distribution of rainfall  where the average monthly rainfall ranges from 16.669 ? 354.058 mm/month. The research was conducted in 4 districts that West Manggarai, Manggarai, East Manggarai, and Ngada. The purpose of this research is to know the difference of runoff coefficient value by using the analysis method and calculation of the runoff coefficient graph. In this study using rainfall data, climatology data and technical data of retention basin for the calculation of runoff coefficient. The analysis method uses Penman modification for evanpotranspiraton and the F. J. Mock method for analysis of dependable flow. Based on the analysis results, the runoff coefficient value ranges from 0.000 - 0,355 in West Manggarai, 0,220 - 0,823 in Manggarai, 0,006 - 0,246 in East Manggarai and Ngada around 0,162 - 0,786.
KINERJA DAN PELAYANAN OPERASIONAL PELABUHAN PENUMPANG TENAU Frans, John H.; Bella, Rosmiyati A.; Siahaan, Benny T.
Jurnal Teknik Sipil Vol 7, No 2 (2018): Jurnal Teknik Sipil
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Abstract

Evaluasi kinerja dan pelayanan operasional di pelabuhan penumpang Tenau Kupang dilakukan pada terminal penumpang untuk mengetahui kualitas pelayanan yang diberikan oleh pengelola pelabuhan berdasarkan persepsi penumpang dan juga dilihat dari Peraturan Menteri Perhubungan Republik Indonesia Nomor PM 37 Tahun 2015 tentang Standar Pelayanan Minimum Penumpang Angkutan Laut. Kinerja terminal berdasarkan persepsi pengguna jasa terminal diperoleh dari hasil kuisioner dengan skala Likert menggunakan metode Importance Performance Analysis (IPA). Dari hasil analisa IPA, wawancara dilakukan dengan pihak pengelola pelabuhan Tenau menggunakan metode Strength Weakness Opportunities Threats (SWOT) dan hasilnya dianalisis untuk strategi penyelesaian masalah. Hasil analisis pelayanan diketahui bahwa terminal penumpang Tenau masih belum sesuai dengan standar pelayanan minimum penumpang angkutan laut yang ditetapkan. Berdasarkan hasil penelitian diperoleh nilai indeks kepentingan dan kepuasan rata-rata pengguna jasa terhadap 42 indikator faktor pelayanan sebesar 3,01 persen dan 4,32 persen. Kemudian dari hasil penelitian ini, ada 10 faktor pelayanan yang perlu mendapat perhatian  menurut persepsi penumpang. Hasil wawancara kemudian dimasukan dalam matriks kuadran SWOT dengan strategi SO (Strengths ? Opportunities), yaitu memanfaatkan lokasi pelabuhan Tenau yang strategis dalam rangka meningkatkan pertumbuhan ekonomi di wilayah NTT.Performance evaluation and operational services at Tenau Passenger Port Kupangare conducted at the passenger terminal to determine the quality of services provided by the port management based on passenger perception and also seen from the Minister of Transportation Regulation Number 37 Year 2015 on Minimum Passenger Service Standard of Sea TransportTerminal performance based on terminal service user's perception is obtained from questionnaire with Likert scale using Importance Performance Analysis (IPA) method. From the IPA analysis results, the interviews were conducted with Tenau port management using the Strength Weakness Opportunities Threats (SWOT) method and the results were analyzed for the problem solving strategy. From the result of service analysis it is known that the Tenau passenger terminal is still not in accordance with the minimum service standards of sea transport passengers. Based on the research results obtained value of interest index and satisfaction of average service user to 42 indicators of service factor equal to 3,01 percent and 4,32 percent. Then from the results of this study, there are 10 service factors that need to get attention according to the perception of passengers. The interview results are then included in the SWOT quadrant matrix with the SO (Strengths - Opportunities) strategy, utilizing the strategic location of Tenau harbor in order to improve economic growth in the NTT region.
KAJIAN IMPLEMENTASI Messah, Yunita A.; Bolu Tena, Yohana; Udiana, I Made
Jurnal Teknik Sipil Vol 1, No 4 (2012)
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Abstract

The complexity of the construction work, the risk of workplace accidents become higher, so the Health and Safety Work Management System (SMK3) important to be implemented in the construction company. Therefore, it is necessary to know how far the extent of implementation SMK3 especially in construction services company in Kupang City. This study used the questionnaire. The result of questionnaires data collection is processed using the Normalization de Boer formula and analyzed with concept of Traffic Light System. The survey results revealed that the percentage of SMK3 implementation in construction services company in Kota Kupang is 62.38% (yellow category) and the accident rate is on the green category. This explained that SMK3 implementations are at level 2 (safe enough). Based on the type of company, BUMN enterprises have SMK3 implementation of 87.10% and domestic private firms by 56.06%. SMK3 implementation for 5-10 year-old company at 47.85%, 10-20 years-old company at 54.18%, and the company aged > 20 years at 79.74%. The provisions of SMK3 largely have been done by construction companies. The ten provisions have been done mostly are applied of the K3 set policy, identify the hazards that will occur, to provide funds for the implementation of K3, control determines the risk of accidents, regulations made under the laws of K3, P3K facilities in sufficient quantity, create goals and objectives to be achieved, all parties involved in construction services companies should play a role in maintaining and controlling the implementation of the K3, the division of duties and responsibilities are clear and the implementation of controls to manage risks K3.
EFISIENSI PEMANFAATAN AIR DENGAN SARANA PENAMPUNGAN AIR HUJAN PADA RUMAH WARGA KOTA KUPANG Krisnayanti, Denik S.; Yosafath, Yoshua T.; Pah, Jusuf J. S.
Jurnal Teknik Sipil Vol 8, No 2 (2019): Jurnal Teknik Sipil
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Abstract

Kota Kupang memiliki musim hujan yang cukup singkat (3-4 bulan), namun tingkat curah hujan harian tergolong tinggi yakni berkisar antara 79 mm ? 203 mm. Limpasan air hujan yang tinggi dapat dimanfaatkan untuk menunjang kebutuhan air rumah tangga dengan pembuatan sarana PAH. Tujuan dari penelitian ini adalah mengetahui efisiensi pemanfaatan air pada rumah warga dengan memanfaatkan sarana PAH. Metode yang digunakan dalam perencanaan bangunan PAH adalah metode neraca air. Metode ini membandingkan tingkat kebutuhan air (demand) terhadap volume air yang dapat ditampung atau ketersediaan air (supply). Dalam penelitian ini, digunakan 30 sampel untuk mewakili 6 kecamatan di Kota Kupang. Interval kapasitas media penyimpan minimum sarana PAH adalah 26.592? 44.097 liter atau sebesar 26,59-44,10  m3. Berdasarkan hasil perhitungan, dengan memanfaatkan sarana PAH setiap sampel yang dijadikan objek penelitian dapat melakukan penghematan air dengan efisiensi rata-rata sebesar 30,57%. Berdasarkan angka ini, maka dengan adanya bangunan PAH cukup membantu penghematan pengeluaran rumah tangga untuk kebutuhan air bersih.Kupang City have short time of rainy season (3-4 months), butthe value of daily rainwater at Kupang city is classified high drops, that ranges between 79 mm-203 mm. The high amount of rainwater runoff can be utilize to support water domestic needs by build the rooftop rainwater harvesting system. The purpose of this research is to know the efficient of water utilization in citizen?s house by utilize the rooftop rainwater harvesting system. The used method in the rooftop rainwater harvesting system planning is water balance method. This method compares the water demand level to water volume that can be supplied. In this research, 30 samples are used to represent 6 sub-districts in Kupang City. The interval of rooftop rainwater harvesting minimum median capacity is 26.592? 44.097 litre or 26,59-44,10 m3. Based on the calculation result, by utilize the rooftop rainwater harvesting facility on each sample that made as research object can be done by water saving with the average efficiency is 30,57%. Based on this number, then with the exist rooftop rainwater harvesting can help to saving the domestic output for clean water needs too.
PREPARATORY MODULE FOR THE OBJECT-ORIENTED MODELING OF URBAN TERRAIN HYDROLOGICAL RESPONSE Pah, Jusuf J. S.
Jurnal Teknik Sipil Vol 2, No 2 (2013): Jurnal Teknik Sipil
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Abstract

This research aimed at preparing an object-oriented module to use in conjunction with an object-oriented urban terrain hydrological response model. The module serves to capture terrain data and prepare them and make them fit as input to the core part of the urban terrain model. This research had constructed the module. It engages five classes of object, which give it capability to faithfully capturing terrain hydrological features and other relevant data, and arrange them in such a way as to serve as fit input to the core part of the urban terrain model. The module represents an urban terrain by meshing it unto a network of rectangle object elements. In order to overcome edge problems associated with the meshing, utilizing smaller size of elements (hence higher number of elements) and weighted average in terms of ?within a cell contained terrain-sheds areas? were advised. It also strongly encouraged the invention of a more automate ways of terrain data capturing, to replace the manual data entry procedure still utilized in this module.
KAJIAN KUAT TEKAN BETON PASCA BAKAR DENGAN DAN TANPA PERENDAMAN BERDASARKAN VARIASI MUTU BETON Cornelis, Remigildus; Hunggurami, Elia; Tokang, Nini Yunita
Jurnal Teknik Sipil Vol 3, No 2 (2014): Jurnal Teknik Sipil
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Abstract

Penelitian ini dilakukan terhadap mutu beton 15 MPa, 20 MPa, 22 MPa dan 25 MPa dengan sampel berupa kubus 15 cm × 15 cm × 15 cm. Jumlah sampel penelitian pada masing-masing mutu beton sebanyak 9 buah sehingga total keseluruhan sampel penelitian sebanyak 36 buah. Pembakaran dilakukan pada suhu 400oC dan lamanya pembakaran selama 3 jam.Perendaman beton pasca bakar dilakukan selama 14 hari.Hasil dari penelitian ini menunjukkan bahwa berdasarkan variasi mutu beton (15 MPa, 20 MPa, 22 MPa, dan 25 MPa) didapatkan nilai kuat tekan rata-rata pada pada perlakuan standar menghasikan kuat tekan rata-rata sebesar 26,00 MPa, 26,67 MPa, 28,44 MPa dan 29,48 MPa. Pada perlakuan beton pasca bakar dengan perendaman menghasilkan kuat tekan rata-rata sebesar 19,41 MPa, 22,37 MPa, 24,15 MPa dan 25,85 MPa. Sedangkan pada perlakuan beton pasca bakar tanpa perendaman menghasilkan kuat tekan rata-rata sebesar 24,89 MPa, 25,78 MPa, 28,67 MPa dan 30,52 MPa. Penurunan kekuatan beton pasca bakar tanpa perendaman pada mutu beton 15 MPa dan 20 MPa sebesar 4,274% dan 3,333% dan peningkatan pada mutu beton 22 MPa dan 25 MPa sebesar 0,781% dan 3,518%. Penurunan kekuatan beton pasca bakar dengan perendaman sebesar 25,356%, 16,111%, 15,104% dan 12,312%.
KAJIAN FAKTOR-FAKTOR PENYEBAB KETIDAKEFEKTIFAN KINERJA TERMINAL BUS HAUMENI KOTA SOE KABUPATEN TIMOR TENGAH SELATAN Sagi, Fransisca N.; Udiana, I Made; Ramang, Ruslan
Jurnal Teknik Sipil Vol 4, No 2 (2015)
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Abstract

Terminal Haumeni yang terletak di Kota Soe adalah salah satu contoh prasarana transportasi yang kinerjanya tidak efektif karena angkutan umum lebih banyak melakukan aktifitasnya di luar terminal. Berdasarkan pengamatan, persimpangan dekat lokasi terminal yang dijadikan sebagai terminal bayangan. Kajian ini bertujuan untuk mengetahui faktor-faktor yang mempengaruhi ketidakefektifan kinerja terminal bus Haumeni dengan statistik Skala Likert. Dari hasil analisis, berdasarkan persepsi pengguna jasa, faktor-faktor yang mempengaruhi ketidakefektifan kinerja terminal bus Haumeni adalah tidak adanya bus yang masuk ke terminal dengan persentase sikap penumpang 68,60 %, lokasi terminal yang kurang strategis dengan persentase penumpang 57,91 %, pengemudi 76,84 %, fasilitas terminal yang kurang efektif dengan persentase penumpang 76,74 %, pengemudi 62,11 %, kurangnya pelayanan petugas terminal dengan persentase penumpang 58,14 %, pengemudi 74,74 %, tidak adanya peraturan yang berlaku bagi pengguna jasa dengan persentase penumpang 63,26 %, tidak ada pengawasan dari pihak keamanan dengan persentase penumpang 65,58 %, pengemudi 66,32 %, parkir yang tidak teratur dengan persentase penumpang 62,79 %, pengemudi 65,26 %. Haumeni terminal which is located in the city of Soe is one example of a transport infrastructure that performance is not effective because the public transport is turns more to do it outside the terminal. Based on the observation, the intersection near the location of the terminal that serve as a shadow terminal. This study aims to determine the factors that affect the performance of ineffectivenes Haumeni bus terminal using descriptive statistical analysis of the Likert Scale. From the analysis based on the user perception of services, the factors that affect the performance of the bus terminal Haumeni ineffectiveness is the lack of buses to load passenger in terminal with a percentage of 68.60% of passenger attitudes, less strategic terminal locations with a percentage of 57.91% attitude passengers, driver 76.84%, terminal facilities were less effective with the percentage of 76.74% and the attitude of the driver’s passenger 62.11%, the lack of service personnel attitude passenger terminal with the percentage 58.14% and 74.74% driver, the absence of regulations for service user with a percentage attitude 63.26% passenger, there is not oversight of the security forces with the percentage of 65.58% attitude passenger and the driver 66.32%, irregular parking arrangement with the percentage of 62.79% and the attitude of the driver’s passenger 65.26%.
STUDI POLA LENGKUNG KEBUTUHAN AIR UNTUK IRIGASI PADA DAERAH IRIGASI TILONG Mada, Yohanes V.S.; Krisnayanti, Denik S.; Udiana, I Made
Jurnal Teknik Sipil Vol 5, No 1 (2016): JURNAL TEKNIK SIPIL
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Abstract

Daerah Irigasi Tilong dengan luas daerah irigasi sebesar 1.484 ha disuplai air dari Bendungan Tilong dengan debit sebesar 2,23 m3/det pada pintu pengambilan. Dengan kapasitas saluran tersebut, air dialirkan ke seluruh bagian kiri dengan luas 233 ha dan bagian kanan dengan luas layanan 1.251 ha. Dengan luas daerah yang demikian penulis ingin mengetahui bagaimana pola lengkung kapasitas saluran dari kapasitas Tilong Untuk menentukan lengkung kapasitas tersebut, digunakan data klimatologi dengan kala ulang 15 tahun serta data sekunder dari irigasi setempat dan mencari berapa besarnya kebutuhan air di sawah per hektar. Dengan demikian digunakan rumus perhitungan kapasitas saluran dengan rumus NFR dan Lengkung Kapasitas Tegal untuk mendapatkan besarnya kapasitas saluran. Dengan metode perhitungan kebutuhan air diperoleh nilai besarnya kebutuhan air maksimum per hektar di Daerah Irigasi Tilong sebesar 2,12 ltr/dt.ha. Analisis kapasitas saluran dengan menggunakan rumus NFR dan Lengkung Kapasitas Tegal menunjukkan kebutuhan air yang berbeda. Pola lengkung yang trend dari rumus NFR membentuk linear artinya terjadi penambahan kapasitas pada saluran jika areal yang dilayani semakin luas sedangkan dengan Lengkung Kapasitas Tegal membentuk garis parabola artinya akan terjadi pengurangan kapasitas saluran ketika areal yang dilayani semakin luas.
FAKTOR-FAKTOR KETERLAMBATAN PROYEK JALAN RAYA DI KOTA KUPANG BERDASARKAN PERSEPSI STAKEHOLDER Ramang, Ruslan; Frans, John H.; Djahamouw, Putri D. K.
Jurnal Teknik Sipil Vol 6, No 1 (2017)
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Abstract

Development of road infrastructure in Kupang city today has been a concern and the priority of the government in order to support the acceleration of the economy in the Kupang city.However, the problems that occurred in the project implementation is incomplete highway projects in a timely, cost and quality that has been set.The purpose of this study was to determine the weighting of the factors that cause delays in the completion of a highway project according to perception of stakeholder and a model of the delay in the completion of a highway project in Kupang city.Data analysis technique using Microsoft Excelto obtain a weighting of the delay factors of each respondents, andusing Factor Analysis method to obtain the model of delay factors. From the results of analysis show that the main factor causing the delay of highway project in Kupang city according to respondents of contractor is a delay provision of heavy equipment factor with a percentage of 4.64%, then according to respondents of consultant is design error factor with a percentage of 4.81%, and then according to respondents of Dinas PU is scarcity of material required with a percentage of 4.53%. The result gained models of delays interpreted that project management factors ( F1) provide the most impact on delay in the completion of a highway project in Kupang city that is equal to 13.187%.
OBJECT-ORIENTED APPROACH FOR THE ASSESSMENT OF MOMENTCURVATURE RELATIONSHIP OF A VARYING-WIDHT AND MULTI-MATERIAL BEAM CROSS SECTION Pah, Jusuf J. S.
Jurnal Teknik Sipil Vol 1, No 2 (2011)
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Abstract

This research developed the rational approach to shear design in 1984 Canadian Code Provision into a new approach which is object-oriented in fashion, and presented it for the purpose of assessing moment-curvature-relationship of a varying-width and multimaterial beam cross section. Unlike the traditional method that views a cross section as a single entity, this new approach views a section as a composition of autonomous objects. In this approach, a cross section is recognized as a system which is made up of objects, of which each can be predicated uniquely; behave autonomously in responding to loading, and capable of communication between each other. Being in such a fashion, the approach was shown to be capable to faithfully represent a section which varies in width, and is made up of materials with different mechanical characteristics, in whatever possible arrangement. To compensate for the painstaking computation that may be involved in the approach, and maintain its object-oriented fashion, an-objectoriented computer-software that uses an object-oriented user interface platform was recommended to be provided as an auxiliary to the approach.

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