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PENGARUH TINDAKAN PENGAWETAN TERHADAP SIFAT MEKANIS KAYU KELAPA Hunggurami, Elia; Ramang, Ruslan; Djenmakani, Yuliana
Jurnal Teknik Sipil Vol 3, No 2 (2014): Jurnal Teknik Sipil
Publisher : Jurnal Teknik Sipil

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Penelitian ini bertujuan untuk mengetahui pengaruh pengawetan terhadap sifat mekanis dari kayu kelapa.Penelitian ini dilakukan dengan metode eksperimen yaitu dengan memberikan bahan pengawet CCB dengan konsentrasi 3%, 6%, 10%.Respon yang diamati adalah kuat tekan sejajar serat, kuat tekan tegak lurus serat dan kuat lentur.Metode pengawetan yang diterapkan adalah rendaman dingin selama 2 minggu. Dari hasil penelitian dan analisis data diperoleh nilai dari sifat mekanis kayu kelapa sebelum dan sesudah pengawetan.Sebelum pengawetan diperoleh nilai kuat tekan sejajar serat sebesar 18.67 N/mm2, kuat tekan tegak lurus serat sebesar 4.22 N/mm2, dan kuat lentur sebesar 13.81 N/mm2. Sedangkan setelah diberi pengawetan 3% terjadi peningkatan terhadap nilai kuat tekan sejajar serat sebesar 7.12% yaitu 20 N/mm2, kuat tekan tegak lurus serat sebesar 5.12% yaitu 4.44 N/mm2 dan kuat lentur sebesar 34.76% yaitu 18.61N/mm2; diberi pengawetan 6% terjadi peningkatan terhadap nilai kuat tekan sejajar serat sebesar 39.26% yaitu 26 N/mm2, kuat tekan tegak lurus serat sebesar 58.06% yaitu 6.67 N/mm2 dan kuat lentur sebesar 87.76% yaitu 25.93 N/mm2; dan pengawetan 10% terjadi peningkatan terhadap nilai kuat tekan sejajar seratsebesar 71.40% yaitu 32 N/mm2, kuat tekan tegak lurus serat sebesar 158.06% yaitu 10.89 N/mm2 dan kuat lentur sebesar 119.91% yaitu 30.37 N/mm2.

PENGARUH FAKTOR-FAKTOR SOSIAL-EKONOMI TERHADAP PERILAKU PENGELOLAAN SAMPAH DOMESTIK DI NUSA TENGGARA TIMUR Beni, Martinus Tulit; Arjana, IGB; Ramang, Ruslan
Jurnal Ilmu Lingkungan Vol 12, No 2 (2014): Oktober 2014
Publisher : School of Postgraduate Studies, Diponegoro Univer

In the attempt to implement sustainable development, there is a definition that the use of natural source to keep it uses by the next generation well, both in quantity and quality. It needs to be supported by caring the environment both by the government and the community itself. The community awareness can be seen at its role on the management of domestic garbage. Several socio-economic factors such as age, sex, education, income, job, and the knowledge of environment have effect on community awareness in the management of domestic garbage. This study used logistic regression model which aimed at measuring to what extend the effect of the socio-economic factors to domestic garbage management in East Nusa Tenggara Province in 2013. It uses secondary data of Environmental Awareness Behaviour Survey that done in 2013 by the Central Agency on Statistics. The result of this study used α = 0,05, showed that the variable of sex, age group of the head household among 40-59 years old and the knowledge of environment did not have effect on household garbage management behavioral. Level education of the patriarch and capital income affected positively on domestic garbage management behavioral. Variable of age group of the patriarch above 60 years old did negatively affected to the domestic garbage management behavioral. Although knowledge about the environment did not affect eco-friendly behavior, but the knowledge about the environment has to be continued to be disseminated to the public. Right knowledge about the behavior of environmental awareness is a major component of internal factors that can drive change one's attitude to be more concerned about the environment

EFISIENSI PENGALIRAN JARINGAN IRIGASI MALAKA (STUDI KASUS DAERAH IRIGASI MALAKA KIRI) Bunganaen, Wilhelmus; Ramang, Ruslan; Raya, Lucya L.M.
Jurnal Teknik Sipil Vol 6, No 1 (2017)
Publisher : Jurnal Teknik Sipil

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Irrigation efficiency is defined as ratio between the total of water supplied is reduced water losses with the total supplied. Irrigation water losses that occurs during water supplying mainly caused by seepage in wet canal section, evaporation (generally insignificant) and operational losses dependent on irrigation water management system. The purposes of this research is to analyze the magnitude of the efficiency of Irrigation network in Malaka. This research is done on the primary, secondary and tertiary canal. The efficiency of Malaka irrigation network is analyzed by the method of water discharge in ? water discharge out. The data used in this analysis is the primary data such as flow rate data by current meter for primary and secondary canal and flow rate data by a float for tertiary canal. In addition to the primary data also used secondary data from the nearest Climatological Stasiun. The results of analysis, water losses caused by evaporation is very insignificant, so water losses is caused by physical canal factors with smallest water loss occurred at BBKi.1outflow-BBKi.2inflow canal is 3,541% and most of loss that occured at BNM.6outflow-BNM.7inflow canal is 0.066 m3/sec. The average efficiency of the whole network of irrigation at Malaka Kiri 84.371% with primary canal efficiency is 90.343%, and secondary canal efficiency is 82.878%.

KEAKURATAN DEBIT MAKSIMUM METODE NAKAYASU PADA SUNGAI TEMEF Seran, Yulita M. H.; Nasjono, Judi K.; Ramang, Ruslan
Jurnal Teknik Sipil Vol 9, No 1 (2020)
Publisher : Jurnal Teknik Sipil

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Provinsi Nusa Tenggara Timur (NTT) merupakan salah satu daerah yang mengalami kekurangan air permukaan pada musim kemarau, oleh sebab itu daerah ini membutuhkan bangunan air. Karena kekurangan data pengukuran debit sungai yang dibutuhkan dalam manajemen air maka penelitian ini bertujuan untuk mencari debit maksimum Sungai Temef dengan menggunakan Hidrograf Satuan Sintetik (HSS) Nakayasu kemudian dibandingkan dengan debit terukur Sungai Temef yang diperoleh dengan menggunakan persamaan kurva lengkung debit. Hasil analisis dengan menggunakan persamaan kurva lengkung debit diperoleh debit maksimum terjadi pada tanggal 3 Januari 2013 sebesar 36,14 m3/dtk. Pada waktu yang sama analisis debit dengan hidrograf satuan sintetik Nakayasu diperoleh sebesar 89,35 m3/dtk. Kemudian analisis dengan menggunakan hidrograf satuan sintetik Nakayasu diperoleh debit maksimum terjadi pada tanggal 9 Maret 2009 sebesar 330,67 m3/dtk, pada waktu yang sama debit terukur diperoleh sebesar 13,80 m3/dtk. Sehingga diperoleh nilai eror untuk HSS Nakayasu sebesar -227,54.East Nusa Tenggara (NTT) is one of the areas that experienced surface water shortages during the dry season, therefore this area needs water construction. Because of the lack of river discharge measurement data needed in water management, this study aims to find the maximum flow of the Temef River using the Nakayasu Synthetic Hydrograph (HSS) and then compared with the measured flow of the Temef River obtained using the curve curve curve equation. The results of the analysis using the equation of the curve of the curve of discharge obtained maximum discharge occurred on January 3, 2013 amounting to 36,14 m3 / sec. At the same time the discharge analysis with the Nakayasu synthetic unit hydrograph was obtained at 89,35 m3 / sec. Then the analysis using the Nakayasu synthetic unit hydrograph obtained the maximum discharge occurred on March 9, 2009 amounting to 330,67 m3 / sec, at the same time the measured discharge was obtained at 13,80 m3 / sec. The error value for Nakayasu HSS was -227,54.

KEAKURATAN DEBIT MAKSIMUM METODE NAKAYASU PADA SUNGAI TEMEF Seran, Yulita M. H.; Nasjono, Judi K.; Ramang, Ruslan
Jurnal Teknik Sipil Vol 9, No 1 (2020)
Publisher : Jurnal Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (873.916 KB)

Provinsi Nusa Tenggara Timur (NTT) merupakan salah satu daerah yang mengalami kekurangan air permukaan pada musim kemarau, oleh sebab itu daerah ini membutuhkan bangunan air. Karena kekurangan data pengukuran debit sungai yang dibutuhkan dalam manajemen air maka penelitian ini bertujuan untuk mencari debit maksimum Sungai Temef dengan menggunakan Hidrograf Satuan Sintetik (HSS) Nakayasu kemudian dibandingkan dengan debit terukur Sungai Temef yang diperoleh dengan menggunakan persamaan kurva lengkung debit. Hasil analisis dengan menggunakan persamaan kurva lengkung debit diperoleh debit maksimum terjadi pada tanggal 3 Januari 2013 sebesar 36,14 m3/dtk. Pada waktu yang sama analisis debit dengan hidrograf satuan sintetik Nakayasu diperoleh sebesar 89,35 m3/dtk. Kemudian analisis dengan menggunakan hidrograf satuan sintetik Nakayasu diperoleh debit maksimum terjadi pada tanggal 9 Maret 2009 sebesar 330,67 m3/dtk, pada waktu yang sama debit terukur diperoleh sebesar 13,80 m3/dtk. Sehingga diperoleh nilai eror untuk HSS Nakayasu sebesar -227,54.East Nusa Tenggara (NTT) is one of the areas that experienced surface water shortages during the dry season, therefore this area needs water construction. Because of the lack of river discharge measurement data needed in water management, this study aims to find the maximum flow of the Temef River using the Nakayasu Synthetic Hydrograph (HSS) and then compared with the measured flow of the Temef River obtained using the curve curve curve equation. The results of the analysis using the equation of the curve of the curve of discharge obtained maximum discharge occurred on January 3, 2013 amounting to 36,14 m3 / sec. At the same time the discharge analysis with the Nakayasu synthetic unit hydrograph was obtained at 89,35 m3 / sec. Then the analysis using the Nakayasu synthetic unit hydrograph obtained the maximum discharge occurred on March 9, 2009 amounting to 330,67 m3 / sec, at the same time the measured discharge was obtained at 13,80 m3 / sec. The error value for Nakayasu HSS was -227,54.

Kajian Kondisi Ruang Terbuka Hijau (RTH) Di Kelurahan Lai Lai Bisi Kopan (LLBK) Kota Kupang Lay, Yermias Elvis; Effendi, Jauhari; Ramang, Ruslan
Jurnal Tata Kota dan Daerah Vol 6, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Open green spaces for urban people who live in city is something that cannot be separated with their lives. The importance of open green spaces could support the aesthetic value and beauty open green spaces and also provide a cooler micro-climate by maintaining the balance of oxygen and carbon dioxide, reducing pollutants and help maintain availability of ground water. Based on the existing problems, the researcher tries to analyze how the conditions of the existing open green spaces in the LLBK Village Kupang today, and how the concept of green spaces planning is needed in the LLBK Village Kupang. The research is conducted in the LLBK Village for four months from August to December 2013. Data collecting techniques used in this study is field observation to obtain secondary data and primary data, while the data analysis techniques used in this study is a descriptive analysis under the qualitative paradigm. The result of the analysis showed the arrangement of open green spaces in LLBK village faces a number of problems due to the LLBK village as economic/trading center, coastal areas, the old town and cultural heritage. The development of facilities and infrastructure needs resulting in an area of open green space that is difficult to develop. Based on the results of observations, it is known that there is open green space at LLBK consists of Kopan coastal city park, open parking in Siliwangi road, coastal border, and a roof garden with a total area of 0.74 ha reaches 6.38% or urban at the total of LLBK area of 11.6 hectares or 116,000 m 2 . The concept of open green spaces planning in LLBK is analyzed based on the following components: 1) The principle of the physical environment that includes vegetation, soil, and water. 2) The principle ingredients include: pedestrian, vehicle lanes, parking lots, building support, signs (signage), open space, landscape equipment, network utilities. 3) Management Principles and Design include: construction of protection, utility management. While the type of open green spaces can be developed consisting of public open green spaces (city park, coastal town, open road parking Siliwangi, coastal border) and private open green spaces (courtyard house, roof garden, office) to improve environmental quality in the area as well as contributing collectively to open green spaces.Keywords: open green spaces, old city.

Karakteristik Pergerakan Penumpang Ferry Reguler dan Ferry Cepat Rute Kupang - Sabu dan Sabu - Kupang Kumalawati, Andi; Mema, Klotilda; Ramang, Ruslan; Rizal, Andi Hidayat
JURNAL FORUM TEKNIK SIPIL (J-ForTekS) Vol 3 No 2 (2023): Volume 3 No. 2 September 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/forteks.v3i2.4904

Kondisi geografis Kupang dan Sabu Raijua yang dipisahkan oleh laut menimbulkan lalu lintas pergerakan barang dan jasa. Dalam memenuhi lalu lintas pergerakan antar pulau ini disediakan angkutan penyeberangan ferry reguler ASDP dan ferry cepat swasta. Pada penelitian ini akan dianalisis karakteristik pergerakan penumpang ferry reguler dan ferry cepat pada rute Kupang–Sabu dan Sabu–Kupang dengan menggunakan kuesioner. Berdasarkan hasil penelitian diketahui bahwa karakteristik pergerakan penumpang Kupang dan Sabu memiliki kesamaan,yaitu antara lain penggunaan angkutan pribadi sebagai alat transportasi dari rumah menuju pelabuhan, dan waktu tunggu di pelabuhan yang berkisar antara 1–2 jam. Selain itu waktu tempuh ferry yang berkisar antara 6–12 jam baik dari Kupang menuju Sabu maupun sebaliknya, serta jarak dari pelabuhan menuju tempat tujuan yang berjarak antara 5–10 km. Sementara jarak dari rumah menuju pelabuhan penumpang dari kupang adalah 5–10 km sampai >20 km, dan jarak dari rumah menuju pelabuhan penumpang dari Sabu adalah 5–10 km. Serta estimasi biaya penumpang dari rumah menuju pelabuhan, dimana estimasi biaya transportasi penumpang dari Kupang Rp 50.000–Rp 75.000, dan penumpang dari Sabu sebesar Rp 50.000.

Analisis Hambatan Samping Terhadap Tingkat Pelayanan Jalan Pada Ruas Jalan Ahmad Yani Kota Maumere Yuniaty, Fortunata Rosalina; Karels, Dolly W.; Ramang, Ruslan
JURNAL FORUM TEKNIK SIPIL (J-ForTekS) Vol 3 No 2 (2023): Volume 3 No. 2 September 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/forteks.v3i2.11546

The increase in development in an area and the increase in population cause the need to pay attention to facilities and infrastructure in the field of transportation, especially roads. Maumere is the capital of the Sikka district. The increasing need of the people of Maumere City for traffic movement causes road performance to decrease because traffic movement exceeds the existing road capacity. Side friction occur on this road section because there are several offices, schools, shopping centers, and restaurants and are the route in and out of campuses, schools, shops, and markets. The purpose of the study is to determine the side friction of working days and holidays, the level of service of working days and holidays, and the effect of side friction on the level of road services. The method used in the research is quantitative based on PKJI 2014. The results of the weekday side friction analysis showed that the value of side friction reached 1,286 events/hour and included very high side friction classes and holidays showed that the side resistance factors reached 125 events/hour and included low side friction classes. The road service level value on weekdays is B and the holiday road service level value is B. The value of the side friction class on weekdays is high and the value of the road service level is B. while on holidays the value of the side friction class is very low and the value of the road service level is B.

Analisis Kebutuhan dan Ketersediaan Jaringan Air Bersih di Kecamatan Witihama Kabupaten Flores Timur Bunganaen, Wilhelmus; Puhu Gelong, Blasius Keli Eha; Ramang, Ruslan
JURNAL FORUM TEKNIK SIPIL (J-ForTekS) Vol 3 No 2 (2023): Volume 3 No. 2 September 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/forteks.v3i2.12470

Sumber air yang tersuplai untuk Kecamatan Witihama berasal dari sumber air Igolodo, sumber air Wailawe dan Sumber air Waibele. Oleh karena ketersediaan air yang terbatas dan kebutuhan air yang terus meningkat maka perlu dilakukan analisis untuk menetahui potensi sumber air dan kebutuhan air di Kecamatan Witihama serta menganalisis jaringan air bersih menggunakan Software Epanet 2.0. Berdasarkan hasil analisis diperoleh debit puncak kemarau sumber air Igolodo, sumber air Wailawe dan sumber air Waibele berturut-turut adalah 6,50 liter/detik, 3,52 liter/detik, dan 1,18 liter/detik. Besar kebutuhan air harian maksimum pada tahun 2040 untuk daerah layanan Igolodo, Wailawe dan Waibele berturut-turut adalah 8,66 liter/detik, 8,02 liter/detik, dan 1,06 liter/detik. Hasil analisis jaringan air bersih menggunakan Software Epanet 2.0 menyatakan semua parameter hidrolis pada node dan link bernilai positif dan memenuhi syarat PERMEN PUPR 2016.

Analisis Karakteristik Lalu Lintas Terhadap Tingkat Pelayanan Jalan pada Jalan Komodo, Ruteng, Kabupaten Manggarai Karels, Dolly W.; Ramang, Ruslan; Tatus, Mariani
JURNAL FORUM TEKNIK SIPIL (J-ForTekS) Vol 3 No 2 (2023): Volume 3 No. 2 September 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/forteks.v3i2.12588

Komodo Street is a national road network that connects the regencies of Manggarai and West Manggarai. Along the Komodo Street there are several shopping centers, restaurants and houses of residents who do not have adequate parking space. The existence of pedestrians crossing and the activity of vehicles going in and out of the road affect the level of service. The purpose of this study is to determine the quantity of traffic flow, capacity, and level of service on Komodo Street. The method used in this study is the quantitative analysis based on the PKJI 2014. The analysis of the value of the maximum traffic flow at Point 1 yielded a maximum of 1.103 light vehicle units/hour and a minimum of 519 light vehicle units/hour. At Point 2, the maximum traffic flow value is 1.085 light vehicle units/hour, while the minimum value is 568 light vehicle units/hour. At Point 3, the maximum traffic flow value is 1.077 light vehicle units/hour and the minimum is 558 light vehicle units/hour. At Point 4, the maximum traffic flow value is 1.068 light vehicle units/hour and the minimum is 612 light vehicle units/hour. The maximum capacity value for Point 1 is 2.105 light vehicle units/hour, while the minimum capacity value is 2.061 light vehicle units/hour. The maximum capacity value for Point 2 is 2.105 light vehicle units/hour, and the minimum capacity value is 1.953 light vehicle units/hour. The capacity value for Points 3 and 4 is 2.105 light vehicle units/hour. The level of service values for all points vary at any time, namely B and C.

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