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INDONESIA
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR
Published by Universitas Tadulako
ISSN : 20886004     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 82 Documents
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Pengaruh Jalan Lingkar Pantai Teluk Palu Terhadap Peningkatan Pendapatan Masyarakat Kelurahan Lere Abu, Asnah
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 2, No 1 (2012)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Kepadatan lalu lintas di dalam kota pasti menimbulkan kemacetan dimana kemacetan ini akan menyebabkan biaya angkutan dan biaya perjalanan menjadi lebih mahal dan pencemaran udara dapat meningkat sampai melampaui ambang batas. Kondisi ini akan mengakibatkan kesehatan manusia dan mahluk hidup lainnya terganggu. Jaringan alternatif diadakan untuk menurunkan kepadatan lalu lintas kendaraan hingga mencapai kapasitas jaringan yang direncanakan. Pembangunan prasarana transportasi ini mempunyai hubungan yang erat dengan tingkat pendapatan masyarakat, Penelitian ini bertujuan untuk menjelaskan seberapa besar peningkatan pendapatan masyarakat Kelurahan Lere pasca 5 tahun operasional JLPTP. Metode yang digunakan adalah metode survey dengan instrument penelitiannya adalah kuesioner yang disebarkan kepada 85 responden yang bermukim di jalur sepanjang 1,82 km. Untuk mendapatkan besaran pendapatan responden sebelum dan sesudah adanya JLPTP, maka data dianalisis dengan metode tabulasi silang dan hipotesisnya diuji dengan paired sample t-test. Hasil penelitian menunjukkan bahwa terjadi peningkatan pendapatan masyarakat sebesar Rp. 307.940,- atau 33,82%  dari Rp. 979.710,- menjadi Rp. 1.287.650,- setelah adanya jalan lingkar pantai Teluk Palu.  
PEMANFAATAN ABU DASAR (BOTTOM ASH) SEBAGAI PENGGANTI SEBAGIAN AGREGAT HALUS PADA CAMPURAN BETON Suarnita, I Wayan
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 2, No 2 (2012)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Kebutuhan bahan bangunan makin meningkat seiring dengan meningkatnya laju pembangunan fisik. Akhir-akhir ini pelaksanaan pembangunan semakin membutuhkan biaya yang sangat tinggi akibat kenaikan harga dan berkurangnya bahan baku. Sehubungan dengan hal itu perlu diusahakan adanya bahan alternatif yang memiliki sifat-sifat yang serupa dengan material pembuat beton. Salah satu material yang memiliki sifat dan bentuk yang serupa dengan material pembuat beton adalah abu dasar (bottom ash), material ini serupa dengan  agregat halus (pasir). Penelitian ini bertujuan untuk mengetahui pengaruh bottom ash terhadap kuat tekan beton. Penentuan komposisi campuran berdasarkan SK SNI T-15-1990-03. Penelitian ini memvariasikan bahan tambah abu dasar antara 10 %, 20 %, 30 % dan 40 % sebagai pengganti sebagian agregat halus.Hasil pengujian di laboratorium untuk hasil uji kuat tekan tertinggi untuk 28 hari kuat tekan yang tertinggi dihasilkan oleh variasi 30 % dengan nilai sebesar 20,756 MPa. Dalam penelitian ini, diperoleh berat isi rata-rata untuk variasi 0 %, 10 %, 20%, 30 % dan 40 % sebesar 2,405 gr/cm3, 2,381 gr/cm3, 2,365 gr/cm3, 2,375 gr/cm3, 2,362 gr/cm3, hal ini disebabkan karena abu dasar memiliki berat jenis yang lebih rendah dibandingkan berat jenis agregat halus. Nilai slump terbesar sebesar 100 mm untuk variasi 0 % dan 20 % sedangkan untuk variasi 10 %, 30 % dan 40 % sebesar 90 mm, ini berarti variasi dari abu dasar tidak terlalu berpengaruh terhadap nilai slump
PERBAIKAN SIFAT GEOTEKNIS TANAH DASAR UNTUK JALAN DENGAN ABU BATUBARA Irdhiani, Irdhiani
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 2, No 2 (2012)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Abu batubara merupakan limbah padat yang tidak mudah larut dan tidak mudah menguap. Apabila jumlahnya banyak dan tidak ditangani dengan baik, maka abu batubara tersebut dapat mengotori lingkungan. Abu batubara berbentuk partikel halus amorf dan bersifat pozzolan yang dapat dimanfaatkan sebagai bahan stabilisasi pada tanah lempung yang memiliki plastisitas dan kembang susut yang tinggi serta daya dukung yang rendah bila kadar airnya tinggi. Abu batubara digunakan sebagai bahan aditif pada tanah lempung dengan persentase 0%, 10%, 20%, 25%, 30% dan 40% terhadap berat kering tanah lempung. Pengujian pada penelitian ini meliputi pengujian sifat-sifat fisik dan sifat-sifat mekanis. Pengujian campuran tanah lempung dengan abu batubara meliputi batas-batas Atterberg, pemadatan, CBR tanpa rendaman dan CBR rendaman. Hasil pengujian menunjukkan bahwa penambahan abu batubara pada tanah lempung dapat meningkatkan daya dukungnya dan menurunkan nilai indeks plastisitas tanah dari 24,81 menjadi 7,93 pada 40% abu batubara. Persentase abu batubara yang paling maksimal dalam penelitian ini adalah 25%. Pada pengujian pemadatan, nilai berat isi kering maksimum meningkat dari 1,700 gr/cm3 menjadi 1,963 gr/cm3 dan kadar air optimum menurun dari 15,032% menjadi 9,753. Pada pengujian CBR, nilai CBR tanpa rendaman dari 6,91% menjadi 20,56% dan nilai CBR rendaman dari 3,46% menjadi 12,12%. Kadar abu batubara diatas 25% cenderung mengalami penurunan tetapi penurunan yang terjadi tidak begitu besar dan masih memenuhi syarat sebagai lapisan tanah dasar untuk perkerasan jalan
PENJADWALAN PROYEK PEMBANGUNAN GEDUNG RESEARCH CENTRE UNIVERSITAS TADULAKO DENGAN MENGGUNAKAN MICROSOFT PROJECT Wartinah, Wartinah; Tilaar, T.A.M.; Yunus, Ruslan M.
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 1 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Proyek konstruksi merupakan aktivitas pekerjaan yang memiliki karakteristik unik yang tidak berulang, di mana proses yang terjadi pada suatu proyek tidak dapat diulangi pada proyek lainnya. Berkaitan dengan masalah proyek ini maka keberhasilan pelaksanaan sebuah proyek tepat pada waktunya merupakan tujuan yang penting, oleh karena itu diperlukan persiapan berupa perencanaan dan penjadwalan yang efektif. Penjadwalan yang efektif adalah menjadwal kegiatan dengan urutan kerja yang logis sehingga meminimalisir peluang keterlambatan suatu proyek. Penelitian ini bertujuan untuk membuat penjadwalan kembali proyek pembangunan gedung Research Centre Universitas Tadulako dengan menggunakan Microsoft Project 2007. Dari hasil penelitian disimpulkan bahwa penjadwalan dengan menggunakan Ms. Project 2007 diperoleh waktu pelaksanaan pekerjaan pembangunan gedung Research Centre Universitas Tadulako sekitar 230 hari untuk menyelesaikan rangkaian aktivitas. Sedangkan penjadwalan yang direncanakan oleh pihak pelaksana pekerjaan pembangunan gedung Research Centre Universitas Tadulako adalah 240 hari. Jika dibandingkan maka penjadwalan dengan Ms. Project lebih cepat 10 hari. Kata kunci: Proyek, Penjadwalan, Waktu, Ms. Project
STUDI KARAKTERISTIK PASIR SIURI DENGAN PENAMBAHAN BUTIRAN HALUS NONPLASTIS (STUDI KASUS FC Chandra, Herfiya; Oktaviana, Ida Sri; Irdhiani, Irdhiani
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 2 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Physical and mechanical properties of uniform sand (Siuri sand) mixed with fine grains is not the same as pure uniform sand, and the void ratio (e) can not be considered as appropriate index to describe the microstructure changes due to the fine grains. Thus, the use of intergranular void ratio is recommended for the condition of fine content less than the threshold fine content (FC <FCth). In this article, the primary data were obtained by conducting laboratory tests, by testing the physical and mechanical properties of the mixtures. Tests were carried out on pure Siuri sand (0%), pure non-plastic fines (100%), and the mixtures with fine content variations of 10% - 90% (by weight of mixture), however, the discussion were focused on dominant coarse grain conditions which was pure Siuri sand (0%) and the mixtures with non-plastic fine composition varied as 10%, 20%, 30% and 40%. The results show that the changes in content of non-plastic fines combined with Siuri sand showed characteristic changes in a similar pattern both in physical and mechanical properties. Fines addition to Siuri sand had increased the value of some parameter (gd, gdmax, gdmin, f, dan t) and had decrease some other parameter (e, emax, dan emin) up to the 30% fine content, then the opposite occured in 40% fine content. When fine content had exceed threshold fine content (FCth) which were between 30-40%, it showed a behavior transition, from behavior of higher contribution of sand in the mixture (dominance of sands) to higher contribution of fines (dominance of fines).   Keywords: void ratio, intergranular void ratio, shear strength, Siuri Sand
PERENCANAAN BAK PENGENDAPAN DAN PENAMPUNGAN AIR YANG BERASAL DARI MATA AIR DI KECAMATAN LAMALA Sirampun, Maksi; Saparudin, Saparudin; Tunas, I Gede
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 3, No 2 (2013)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

District of Lamala Regency of Luwuk is the area in which shortage of  water and difficulty in supplying the water needs of its population. This planning study aims to address the fresh water problem and determine the needs of fresh water , especially three villages in the District of  Lamala namely village of Bonebabakal, Lomba and Poroan.The study was conducted by collecting primary data and secondary data, as well as direct observation in the field. Furthermore, to drain the water from the spring water to the deposition basin of 20m3 and reservoir basin of 50m3 at a service area with a distance of 3 km from the source and height difference of 128 meters can utilize the force of gravity. From the research, the spring discharge data obtained at 20.1 liters / sec and to meet the needs of local water services up to year 2031 the population projection can be calculated using the arithmetic and geometric methods.As a suggestion to optimize the volume of water , it should be made on the fresh water catchers building in the location of  water springs as well as the manufacture of bags to drain the sediment sludge coming from the spring.   Keywords: depositional basin, reservoir, springs
KAJIAN PENGARUH JUMLAH DAN LEBAR PERKUATAN GEOTEKSTIL TERHADAP DAYA DUKUNG TANAH GAMBUT Martini Martini; Fathuddin Al-Anshori
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 4, No 2 (2014)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Peat soils have a high compressibily and low bearing capacity. These unfavorable characteristics can cause differential settlement and the construction failure, so that the appropriate improvement methods are required to solve the problems. Peat soil improvement methods that commonly used are mechanical and chemical improvement methods. In this research, the peat soil reinforced with geotextile was conducted in order to find the influence of the reinforcement in increasing the bearing capacity. Reinforcement was applied to the construction model with variation in the number of reinforcement which were N=1, N=2, N=3, and reinforcement width which were 2B, 3B and 4B (B is foundation width in scale). The results show that the insertion of geotextile sheets in peat soil can increase the bearing capacity of the soil foundation. The increasing of the bearing capacity is proportional to the increasing of the number and width of the geotextile. Variation in reinforcement width is given more influence in increasing the ultimate bearing capacity (q) compare to variation in the number of reinforcement. Compare to the modeled construction without reinforcement, the maximum bearing capacity increase as much as 232.3 % and BCR as of 3.32 with reinforcement width of 4B and N=3.Key words: peat, reinforcement, bearing capacity
STUDI EKSPERIMENTAL PENGGUNAAN IJUK SEBAGAI MATERIAL PERKUATAN LERENG Bontong, Benyamin; Oktaviana, Ida Sri; Dwijaka, Agus
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 7, No 2 (2017)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

The condition or shape of location of construction is often present in a non-flat terrain. Excavation and dumping of soil usually required in this condition that will result on formation of the slope. The slopes can be made steeper with the help of reinforcement such as by using geotextile, steel and other materials. For small or medium scale construction palm fiber sheet can be used as alternative material. Palm fibers are natural organic fibers that have beneficial properties such as resistant to the influence of solar heat and cold weather, resistant to weathering, and not easily rotten and durable so  it can be used as an option for use as a construction material.This study aims to study the potential use of palm fibers as an alternative material for reinforcement material, especially on the slopes. Palm fibers material used in this research are materials that form a natural fiber sheet. The slope model is formed in a test tub with a width of 30 cm and a height of 80 cm. Sand from Pondo River with 50% of relative density is used as slope forming material.The results showed that the reinforced slopes with fiber sheets with 20 cm vertical spacing and 100 cm length of reinforcement on the test model were able to carry a load of 40 kN at 25 mm (1 inch) settlement, and reach 60 kN at 37.5 mm ( 1 ½ inches) settlement
ANALISIS SISTEM TRANSPORTASI DALAM KAMPUS UNIVERSITAS TADULAKO Ismadarni, Ismadarni; Pradani, Novita
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 7, No 2 (2017)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Tadulako  University  as one of  the state  universities  in the province  of  Central  Sulawesi  has  experienced rapid  development.    Physical  growth  that  continues  to  grow  along  with  its  academic  development causes  the movement of traffics activity to participate in the increase. This can cause negative impacts such as high pollution levels, vehicle density and high accident rates often occur in the campus area. This  study aims  to analyze  the  transportation system within the Tadulako University Campus. It is expected that with this research it can be obtained the description of  traffic  problems  that  occurred  in  the campus of Tadulako University includes network system and  road geometry, parking  and  analyzing the  policies  of  traffic  that  is  currently applied  in  the  campus of Tadulako University. Traffic surveys show that motorcycle users account for 66.8% and automobiles 33.2%. Geometric survey shows that the road in the campus  is  relatively good because almost all  roads have been  structured with asphalt with one way road  system. Survey on parking location also indicate that arrangement of parking space at some faculty are required so that vehicle not parked at road body. Further research is necessary to calculate the need for parking space. 
Analisis Peramalan Ketinggian Gelombang Laut Dengan Periode Ulang Menggunakan Metode Distribusi Weibull (Studi Kasus Pantai Lembasada Kabupaten Donggala) Setiyawan, Setiyawan; Rusdin, Andi; Adnyani, Niang
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 5, No 1 (2015)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

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Abstract

Lembasada Beach, Donggala regency is the oldest port in central Sulawesi province which the region has a long coastal area that is 400 km. Most of community events in Donggala regency are located in coastal areas. There are several coastal areas in Donggala that potentially damaged by abrasion, one of which is Lembasada Beach. The effect of the frequent occurrence of erosion and abrasion, buildings and areas around the Beach were damaged by large waves and brunt of the waves could get to the land when there is high tide. The aim of this writing is to determine the height of a wave that will be used in planning the coastal protection building. Measurement of wave height is very rare and hard to achieve therefore in this writing the forecasting of wave heights were conducted through modification of wind speed data for 8 years (2006 – 2013) using the Weibull DistributionMethod based on the Return Period. The data used is secondary data obtained from an extract of the NOAA Earth System Writing Laboratory NCEP/NCAR and processed using WRPLOT then get the maximum wind direction. Based on the result of analysis, it was obtained that the significant wave height and a significant maximum wave period in 2007 on the southwest directon is (Hs) = 0,7969m and (T) = 2,6942 seconds. After analyzing the frequency distribution using Weibull method it can be predicted the wave return period occurence, the return period of 2 years =0,208 m, 5 years = 0,213 m, 10 years = 0,218 m, 25 years = 0,225 m, 50 years = 0,230 m, and 100 years = 0,236 m.

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