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Jurnal Teknologi Berkelanjutan
Published by Universitas Lambung Mangkurat
ISSN : 23028394     EISSN : 26209276     DOI : https://doi.org/10.20527/jtb.v7i01.110
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology Transportation
Jurnal Teknologi Berkelanjutan (JTB) is available free of charge (open access) for all readers. The articles in JTB are the results of scientific research, contributions of ideas, and solutions offered for existing problems. JTB focuses on publishing scientific articles in the fields of civil and environmental engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 189 Documents
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MODELING TABAT EFFECT INUNDATION IN THE PEAT SWAMP FOREST CENTRAL KALIMANTAN Petrisly Perkasa
Jurnal Teknologi Berkelanjutan Vol 2 No 01 (2013): Vol 02 No. 01
Publisher : Lambung Mangkurat University Press

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Abstract

Peat swamp forests serve as an abundant water catchment area in rainy season and then releases it gradually in dry season. The main function of peat swamp forests are as the hydrology regulator in an ecosystem, and the function will be disrupted when the peat swamp forests have excessive drainage condition. Recently, the peat swamp forests of Central Kalimantan are badly damaged by prolonged exploration without any responsibility to preserve it. One of the damage causes of the peat swamp forests in Central Kalimantan are many canals made when illegal loggers get their harvested wood out to the estuary of nearest watershed. Therefore, it forms canals that drain water with no control. The effect is peat swamp forests will be very dry and trigger devastating fire that cannot be extinguished in a short time. One of the efforts to deal with the problem is by recovering the hydrology condition of peat swamp forests ecosystem through duct insulation using simple dam locally called “tabat”. The making of tabat is easily designed in order that the implementation is not very hard, and the material selection such as forest wood dominate the construction because the wood will be cracked gradually without disturbing the ecosystem process and restoration principle in peat swamp forests. This study was one of the efforts to rescue peat swamp forests by hydrology restoration using a modeling concept with a computer software of hydraulics. The modeling concept used steady flow water surface profile to find out the capacity of cross section to designed flood. After the simulation, tabat modeling was then made to the height of canal. The modeling process resulted in the width of inundation in tabat. The height of water level and the number of tabat were required to optimally inundate the research area. The modeling result by a computer software of hydraulics shows the increase of water level in canals at 15 to 30 cm and the width of inundation in tabat when the designed flood of two-year return period was modeled to 280.67 km2 and for the period of five years was 306.04 km2 from the target of hydrology restoration of 250 km2. The modeling of inundation width in tabat of peat swamp forests will be suggestion for the government of Central Kalimantan Province and the stakeholders in building a big scale tabat.
MODEL OF INFRASTRUCTURE INFORMATION SYSTEM ON CIPTA KARYA DIVISION Bennie Bennie
Jurnal Teknologi Berkelanjutan Vol 2 No 01 (2013): Vol 02 No. 01
Publisher : Lambung Mangkurat University Press

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Abstract

Manual data processing is difficult on data searching process if it is needed for the importance of planning, controlling interests, reporting purpose, monitoring and evaluation. The general weakness of collecting manual data processing is that it is difficult to search for input data and it is unable to provide maximum data services as well as high efficiency on data processing. The aim of this study is to improve data processing with a computerized system which can provide information services rapidly, efficiently and accurately. In providing maximum public services and the work efficiency in data processing and expediting the decision-making process a model of infrastructure information system is required from the Cipta Karya division. The system model is approached using a computer based information system (CBIS) as an option for a support system when applying the system approach. The system design utilised a data analysis technique SDLC (system development life cycle). The output of this model is a centralised database system which provides an up-to date information distribution, as well as a source of official information relating to the process of decision-making support. The system runs on a web-based network, so it is easily accessible using a browser. This system will give information about project history handling that can make it easier to make decisions on when and where the project will be programmed. Such a web-based application is one of the solutions that can be developed to accommodate the needs of the organization in an integrated manner.
KAJIAN EKSPERIMENTAL ROADCELL-50 SEBAGAI BAHAN TAMBAH (ADDITIVE) PADA CAMPURAN SPLIT MASTIC ASPAL (SMA) YANG MENGGUNAKAN MATERIAL LOKAL BATU TANGKILING Davies Rahusan Saloh
Jurnal Teknologi Berkelanjutan Vol 2 No 01 (2013): Vol 02 No. 01
Publisher : Lambung Mangkurat University Press

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Abstract

One of the developments in flexible pavement system is the Split Mastic Asphalt (SMA) mixture, which is specifically designed to increase durability, roughness, flexibility, flow resistance and oxidation resistance. This type of mixture is mainly used in roads with heavy traffics, or uphill roads. Based on the fact above and unmeasured traffic load, a research was conducted by adding Roadcell-50 to the SMA mixture by using local material from Batu Tangkiling. Later on, it is hoped that the result can optimize local material usage, which in turn will affect local income and improve the quality of asphalt mixture. The objective of this research is to identify the performance of SMA mixture without Roadcel-50 as an asphalt mixture additive; to identify Marshall characteristics by adding Roadcell-50 additive at the level of 0 percent; 0.2 percent; 0.3 percent, 0.4 percent into the SMA mixture; to identify voids in mixture (VIM) in the refusal density; and to identify asphalt durability as influenced by water by using immersion test. In this research, testing was conducted in stages, which comprised testing of the coarse and fine aggregates, filler, asphalt; and testing of mixture, which comprised standard Marshall testing, refusal density and immersion testing. The tests were based on SNI, which is the specification refered to by Bina Marga Year 2010 (second revision), and also Bina Marga specification Year 1993 (Split Mastic Asphalt). Addition of Roadcell-50 to the Split Mastic Asphalt mixture can improve Marshall Parameter index such as index stability, residual stability, flow and water void percentage. The results showed that the highest stability index was 920 kg, which was found for 0.2 percent of Roadcell-50. The highest flow index was 3.9 mm, which was found for 0.3 percent of Roadcell-50. The highest water void was 4.6 percent, which was found for 0.3 percent of Roadcell-50. The highest immersion index is was 97.35 percent, which was found for 0.2 percent of Roadcell-50. The highest VIM refusal density was 3.8 percent, which was found for 0.3 percent of Roadcell-50. Optimum Roadcell-50 content percentage that can be used as reference in planning Split Mastic Asphalt mixture is 0.2 percent, since it gives the highest stability which is 920 kg, and the highest immersion index or residual stability, which is 97.35 percent.
KEKUATAN GESER ANTARMUKA LATERIT PALANGKARAYA DAN GEOTEKSTIL BERDASARKAN UJI GESER LANGSUNG Norseta Ajie Saputra
Jurnal Teknologi Berkelanjutan Vol 2 No 01 (2013): Vol 02 No. 01
Publisher : Lambung Mangkurat University Press

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Abstract

Laterite soil is used to support the development of transportation infrastructure such as roads. The use of geotextile as soil reinforcement material is one of the geotechnical engineering practices. The use of geotextile material and lateritic soil for pavement reinforcement requires parameters from lateritic soil and its interaction with geotextile. Planning and implementation work in the field normally use the ratio interface friction angle soil and geotextile friction angle (  /  ), where   is value of interface friction angle between geotextile and laterite (  ) and  is value of angle of internal friction laterite (  ). The ratio (  /  ) was obtained from direct shear test method ASTM D 3080-70. The laterite soil was compacted using a test proctor at a maximum density condition or with a value of optimum water content. The laterite soil came from two locations in Central Kalimantan province distinguished by the closer proximity to the City of Palangka Raya. The geotextile was is Geo- reinforcement HRX 250 and HRX 300. The result showed the value of the ratio  /  for Palangka Raya laterite soil based on two samples of different geotextile types. For the woven geotextile reinforcement HRX 250 (fine), the value  /  was 0.81 to 0.90, and for the woven geotextile reinforcement HRX 300 (rather coarse), the value  /  was 0.75 to 0.77. The ratio  /  is not significantly influenced by the geotextile mass, strength and elongation values. It is the soil types and characteristics that actually influence this ratio
PENGARUH BAHAN TAMBAHAN ANTI STRIPPING PADA CAMPURAN ASPAL PANAS HOT ROLLED SHEET WEARING COURSE YANG MENGGUNAKAN AGREGAT LOKAL Bambang Jaya
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Road damages commonly found in Indonesia include surface damages that occur too early, as indicated by surface exfoliation, surface rutting, particle discharge and cracks. Based on a laboratory-scaled study at the Road and Bridge Research and Development Center in 2009, local aggregates of Central Kalimantan in Lupu, Runtu and Bukit Sintang quarries generally meet the requirements of road pavement materials. However, as part of asphalt mixtures, these aggregates fail to meet the requirement as they produce only 80percent asphalt-aggrate adhesion, and Marshall’s stability index of 40 percent. Adhesion of up to 95 percent and residual stability index of 90 percent require a particular type of additives. This research was conducted in a laboratory by implementing Marshall method. The objective of this research is to identify the characteristics of surface layers of HRS-WC mixture at optimum bitumen content levels. Shell asphalt was used with a penetration of 60/70, coarse aggregates and fillers (rock ash) from Hampangen, fine aggregates from Tangkiling, and the anti-striping Wetfix Be additive. The results show that for an asphalt concrete surface layer (HRS-WC) withthe addition of Wetfix Be of up to 0.2percenttheoptimum bitumen content is 6.60 percent, with Wetfix Be of 0.4percentthe optimum bitumen content is 6.65 percent, and with Wetfix Be of 0.6 to 0.8percentthe optimum bitumencontent is 6.7 percent. The stability index shows that the higher the of Wetfix Be content is, the lower the stability index will be. The highest stability index,that is 1370 kg, is obtained without any addition of Wetfix Be, while the lowest stability index,namely 1170 kg, is obtained by adding Wetfix Be as much as 0.8 percent of the mixture.A series of void in mixture (VIM) tests without the addition of Wetfix Be resulted in a 3.80-percent absolute density and adding Wetfix Be up to 0.8percentof the mixture resulted in a 3.60-percent absolute density. The result of tests on the HRS-WC durability show that without the addition of Wetfix Be the retained stability index is 86 persent, which does not meet the requirement (that is < 90 percent). Adding Wetfix Be of 0.2 percent increases this index to 91 percent, adding Wetfix Be of 0.4 percent increases this index to 97 percent, and adding Wetfix Be of 0.8 percent increases this index to 95 percent. This suggests that the HRS-WC mixture using local aggregates from Hampangen and Tangkiling sand requires Wetfix Be additive to meet the durability requirements of HRS-WC mixture.
ANALYSES ON THE DEVELOPMENT OF MENTAREN SWAMP AREA IN PULANG PISAU REGENCY Miming Virganinda Burako
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Mentaren Swamp Area in Pulang Pisau Regency is categorized as less productive and the land usage is not optimal. Initially, Mentaren Swamp Area utilized polder water system, however since the water gate as the primary intake of the channel was broken and unfixed, the water in the area reduced and urge the residing people to open the polder in order that the tide water could penetrate the channel. However, since the polder is now opened, the time and inundation volume has lessened. Due to the change of the water system from polder (closed) to open, an analysis was conducted to identify the current water supply in Mentaren Swamp Area and how much land area that can be handled by existing water discharge. To identify those matters, the analysis was conducted by the following stages: collecting primary and secondary data, conducting Hydrology analysis, and calculating water supply and designing Swamp Development Concept. Those stages were conducted to know how much the expansion of land area is or to alter the land usage so it can be used in developing the Mentaren Swamp area. Based on the Mock method, the annual average supply of water (Q80) of Kahayan Watershed in Central Kalimantan Province for Mentaren Swamp Area of Pulang Pisau Regency is 1,864 m3/second. The current farming land is 534 hectare and can be increased by as much as 731. 39 hectare to 1.265 hectare utilizing rice crops cropping pattern.
ANALISIS KARAKTERISTIK LALU LINTAS BERDASARKAN TATA GUNA LAHAN Murniati Murniati
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Pemanfaatan suatu lahan berpotensi membangkitkan arus lalu lintas. Jalan Temanggung Tilung yang berada di wilayah Kecamatan Jekan Raya Kota Palangka Raya merupakan jalan dua lajur dan dua arah tanpa median dengan panjangjalan 2,3 kilometer, lebar badan jalan enam meter, dan kondisi perkerasan baik. Tipe guna lahan di sepanjang sisi jalan Temanggung Tilung adalah kawasan pendidikan, kawasan permukiman, dan kawasan pertokoan. Berdasarkan hasil analisis didapatkan bahwa model karakteristik lalu lintas untuk kawasan pendidikan adalah model Underwood sedangkan model karakteristik lalu lintas untuk kawasan permukiman dan kawasan pertokoan adalah model Greenshields. Indek tingkat pelayanan pada kawasan pendidikan adalah C dan E. Indek tingkat pelayanan pada kawasan permukiman adalah A. Indek tingkat pelayanan pada kawasan pertokoan adalah B dan C. Ditinjau terhadap kapasitas jalan, kawasan pendidikan mengurangi kapasitas jalan sebesar 86,95 persen dari kapasitas jalan kawasan permukiman sedangkan kawasan pertokoan mengurangi kapasitas jalan sebesar 64,83 persen dari kapasitas jalan kawasan permukiman. Ditinjau terhadap kepadatan, kawasan pendidikan menurunkan nilai kepadatan sebesar 87 persen dari nilai kepadatan kawasan permukiman sedangkan kawasan pertokoan menurunkan nilai kepadatan sebesar 66,67 persen dari nilai kepadatan kawasan permukiman. Ditinjau terhadap kecepatan, tidak ada perbedaan yang signifikan antara ketiga jenis tata guna lahan. Penurunan kapasitas diakibatkan juga oleh adanya perbedaan jumlah tarikan pada setiap kawasan.
KAJIAN OPERASIONAL ANGKUTAN UMUM DI KABUPATEN BARITO TIMUR Reilly Hard
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Tamiang Layang Terminalis the placewhere the activities of transporting passengers in TamiangLayang, East Barito Regency, occur. Economic developmentandpopulationgrowth which are quite high inEast Barito Regency bring impact on increaseddemandfor the means of transportation. Nowadays, a problem in public transportation routes occurs. The problem is in some regions where the number of the public transport users is quite big, the public transport users have not been servedproperly; therefore,in-depth researchis neededtoovercome the problem. This research aims at evaluating the performance of public transportation in East Barito Regency and to determine out the number of ideal transport fleets, the fare and fleet scheduling. The current evaluation of the performance of public transport which is based on the standard of Directorate General of Transportation and World Bank, shows that the average performance of routes is still in conformance with the standard with the average waiting time of approximately 21 minutes, the average travel time of 69 minutes, the average speed of 24,88 km/h, the load factor of 43 percent, the average number of passengers of 23 people/vehicles/day, the utility of vehicles of 93 km/vehicles/day, and the availability level of vehicles of 81 percent. Based on the scheduling, it is obtained that the number of fleet on route 1 is 10/7 trip; on route 2, route 4, route 6 are 8/9 trip; and on route 3 androute5are12/6 trip. Based on the result of the analysis, it is obtained that the lowest fare is Rp 1.000 on route 1 and the highest fare is Rp 9.000 on route 3 and route 5, while the current lowest fare is Rp 5.000 on route 1 and route 6, and the current highest fare is Rp 10.000 on route 4 and route 5.
KAJIAN MENGENAI UPAYA-UPAYA PENINGKATAN PRODUKTIVITAS TENAGA KERJA KONTRAKTOR DI WILAYAH KABUPATEN BALANGAN Suntari Sri Rejeki
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Pada dunia konstruksi tinggi rendahnya produktivitas kerja para tenaga kerja sangat mempengaruhi waktu pelaksanaan proyek. Pada pelaksanaan kegiatan Pembangunan Gedung Kantor di Kabupaten Balangan sangat sering terjadi keterlambatan penyelesaian pekerjaan yang diakibatkan rendahnya tingkat produktivitas tenaga kerja. Karena itu, peneliti mengadakan survey untuk mengetahui faktor-faktor penyebab rendahnya tingkat produktivitas serta upaya-upaya apa saja yang bisa diambil guna meningkatkan produtivitas. Penelitian ini menggunakan kuesioner yang dibagikan kepada para kontraktor yang pernah melaksanakan proyek pada kegiatan Pembangunan Gedung Kantor di Bidang Cipta Karya Dinas Pekerjaan Umum Kabupaten Balangan. Dari hasil penelitian ini didapatkan pada item pekerjaan galian tanah pondasi faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah kepuasan kerja. Pada item pekerjaan pasangan batu gunung/kali untuk pondasi campuran 1:4 faktor-faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah keamanan kerja. Pada item pekerjaan plat lantai beton bertulang faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah perencanaan dan penjadwalan. Pada item pekerjaan pasangan dinding bata campuran 1:4 faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah pembagian keuntungan. Pada item pekerjaan plesteran t. 1,5 cm campuran 1:4 faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah metode konstruksi. Pada item pekerjaan pasangan lantai keramik campuran 1:4 faktor-faktor yang paling berpengaruh terhadap tingkat produktivitas tenaga kerja adalah tingkat upah pekerja. Pada item pekerjaan penutup atap (genteng metal dan tegola) faktor-faktor yang paling berpengaruh terhadap produktivitas tenaga kerja adalah komunikasi lapangan. Pada item pekerjaan plafond kalsiboard + rangka dan pekerjaan pengecatan (dinding dalam, dinding luar dan plafond) faktorfaktor yang paling berpengaruh terhadap produktivitas tenaga kerja adalah urutan kerja.
PENGARUH TEMPERATUR TERHADAP PERILAKU DAN KEKUATAN KOLOM TERKEKANG Deni Teras
Jurnal Teknologi Berkelanjutan Vol 2 No 02 (2013): Vol 02 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

Salah satu penggunaan beton mutu tinggi sebagai elemen struktur beton bertulang yang berfungsi sebagai daya dukung dan pengaku adalah kolom. Perilaku struktur kolom beton bertulang dengan pengekangan akibat temperatur tinggi perlu dipahami untuk menentukan apakah struktur kolom itu akan diganti atau hanya diperbaiki saja. Model yang digunakan sebagai validasi adalah hasil eksperimental (Faris Ali, 2010), dengan dimensi 127 x 127 mm² dengan tinggi 1800 mm, tulangan longitudinal 4Ø12 dengan mutu baja fy = 400 MPa, tulangan tranversal Ø6-120 dengan mutu baja fy = 240 MPa, sedangkan mutu beton tinggi fc’ = 104,5 MPa dan temperatur 867°C. Selanjutnya dibuat model implementasi pada ANSYS dengan dimensi, mutu baja dan mutu beton yang sama tetapi menggunakan tulangan tranversal Ø10-50. Untuk model DT.01 menggunakan tulangan longitudinal 4Ø12, model DT.02 menggunakan tulangan longitudinal 8Ø12, model DT.03 dan model DT.04 menggunakan tulangan longitudinal 8Ø12 tetapi dengan variasi pengekangan. Variasi temperatur yang digunakan adalah 20°C, 200°C, 500°C dan 1000°C Berdasarkan FEA, didapatkan momen ultimit terbesar adalah model DT.03 sebesar 303,2244 kNm. Nilai tegangan puncak dipengaruhi jumlah tulangan longitudinal dan akan menurun dengan bertambahnya rasio tulangan geser pada temperatur 20°C untuk DT.03 dan DT.04. Sedangkan kenaikan temperatur akan menyebabkan menurunnya tegangan puncak pada kolom dan bertambahnya rasio tulangan geser akan meningkatkan regangan pada tegangan puncak. Nilai regangan pada tegangan puncak dipengaruhi oleh rasio tulangan geser, semakin besar rasio tulangan geser, maka nilai regangan pada tegangan puncak akan semakin meningkat hal ini karena nilai daktilitas meningkat. Selanjutnya semakin meningkat temperatur pada kolom, maka nilai regangan pada tegangan puncak akan semakin meningkat sampai temperatur 500°C dan akan menurun pada temperatur 1000°C. Nilai beban ultimit sangat dipengaruhi oleh tulangan longitudinal dan akan mengalami penurunan dengan bertambahnya rasio tulangan geser. Sedangkan pertambahan temperatur akan menyebabkan berkurangnya nilai beban ultimit. Pengaruh pengekangan, kenaikan temperatur dan penambahan tulangan longitudinal pada kolom menyebabkan nilai deformasi semakin meningkat, kecuali untuk temperatur 1000°C. Nilai daktilitas dipengaruhi oleh pengekangan dan temperatur. Semakin banyak pengekangan maka nilai daktilitas akan semakin meningkat dan semakin tinggi temperatur nilai daktilitas akan menurun. Perilaku ratak dari retak pertama yang terjadi pada bagian atas dan bawah kolom dan retak ultimit yang terjadi pada seluruh bagian kolom yang mana pola retak paling dominan terjadi yaitu retak lentur.

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