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INDONESIA
CANTILEVER
Published by Universitas Sriwijaya
ISSN : 19074247     EISSN : 24774863     DOI : -
Core Subject : Social, Engineering,
CANTILEVER merupakan jurnal penelitian dan kajian teknik sipil yang menyajikan hasil-hasil penelitian di bidang struktur, transportasi, pengembangan sumberdaya air, geoteknik, manajemen infrastruktur, dan rekayasa lingkungan serta arsitektur. Cantilever pertama kali diterbitkan pada tahun 2006 dalam versi cetak. Sejak tahun 2015, cantilever diterbitkan baik dalam versi cetak maupun online (e-journal). Jurnal ini dikelola dan diterbitkan oleh Jurusan Teknik Sipil Fakultas Teknik Universitas Sriwijaya. Cantilever terbit 2 (dua) kali dalam setahun, yaitu pada April dan Oktober.
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ANALISA PENURUNAN TANAH LUNAK DENGAN BEBERAPA METODE KONSOLIDASI PADA PROYEK JALAN TOL PALINDRA Puspita, Norma; Capri, Ari
CANTILEVER Vol 6, No 1 (2017): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

Based on Daily Traffic Average of Palembang - Inderalaya in 2007, traffic volume of 2 ways of Palembang City for traffic capacity had been reach at 19900 vehicles/2 ways/day. Therefore, in order to decrease traffics jamthen government has built Palembang – Inderalaya Highway (Palindra). According to topography of Palembang City, it has lying on lowland areas with soft soils type which has high compressibility. The objectives of this study are to estimate soft soils settlement with various method of consolidation which are oedometer test, pre-fabricated vertical drain (PVD), and vacuum consolidation method (VCM). The results of this study showed the numbers of settlement of soft soils 1,479 m for 17,24 years in oedometer test, 1,342 m for 105 days in PVD with square pattern, and 1,354 m for 90 days in PVD with triangular pattern. Meanwhile, the numbers of settlement with VCM method have 2,250 m for 105 days with PVD square pattern, and 2,251 m for 90 days with PVD triangular pattern. Based on those results, it can be concluded that VCM triangular pattern more effective than others.
ANALISIS KESEIMBANGAN AIR PADA EMBUNG UNIVERSITAS SRIWIJAYA Haki, Helmi; Sarino, Sarino; Ramadhan, Muhammad Anindya
CANTILEVER Vol 6, No 1 (2017): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

Analisis keseimbangan air dilakukan pada embung Universitas Sriwijaya untuk mengetahui keseimbangan air ketika dilengkapi dengan spillway pada saluran outflow. Analisis yang dilakukan meliputi analisis debit air yang masuk ke dalam embung, analisis pengisian embung, analisis debit banjir rencana, dan analisis tinggi muka air di atas spillway. Untuk debit air yang keluar dari saluran outflow, jika elevasi tinggi muka air melebihi spillway maka terjadi debit outflow. Debit air yang masuk ke dalam embung hanya bersumber dari saluran inflow yang terdapat pada embung, sedangkan debit air masuk dari Sungai Kelekar tidak diperhitungkan. Perhitungan volume untuk kebutuhan air tidak termasuk dalam variabel yang mempengaruhi keseimbangan air pada embung. Sedangkan debit banjir rencana yang digunakan adalah periode ulang 50 tahun. Data yang digunakan meliputi data profil embung, catchment area embung, data curah hujan, data klimatologi, dan data infiltrasi. Berdasarkan hasil analisis pengisian embung didapatkan nilai debit air rata-rata yang mengisi embung yaitu 343.859,14 m3/bulan. Nilai ΔS terbesar terjadi pada Bulan Desember dengan nilai 686.610 m3/bulan, sedangkan Nilai ΔS terendah terjadi pada Bulan Juli dengan nilai 2.829,6 m3/bulan. Berdasarkan analisis Debit banjir dengan periode ulang 50 tahun, didapatkan total debit banjir periode ulang 50 tahun dari saluran inflow yang masuk ke dalam embung Universitas Sriwijaya adalah sebesar 44,11 m3/det. Berdasarkan hasil analisis ketinggian muka air di atas spillway saat terjadi banjir periode ulang 50 tahun didapatkan ketinggian muka air di atas spillway sebesar 1,71 meter, Sehingga ketinggian dari dasar spillway hingga muka air adalah sebesar 3,71 meter < 5,5 meter. Maka tidak terjadi luapan atau banjir dari dalam embung Universitas Sriwijaya. Berdasarkan hasil analisis keseimbangan air pada embung Universitas Sriwijaya didapatkan kesimpulan bahwa jika embung tersebut dilengkapi dengan bangunan pelimpah (spillway) maka tidak akan terjadi kekeringan pada embung, hal ini dapat diketahui dari hasil analisis pengisian embung yang menunjukan bahwa tidak terjadi nilai 0 atau minus pada nilai debit air yang tersedia pada embung (ΔS).
PEMANFAATAN KARET MENTAH PADA FLEXIBLE PAVEMENT LASTON AC-WC DAN LATASTON HRS-WC Pataras, Mirka; Dewi, Ratna; Prasetya, Ahmad Dicky; Bazidno, Friko Denu
CANTILEVER Vol 6, No 1 (2017): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

With the many problems that begin to occur from the young asphalt cracked, the asphalt is not durable, the bumpy asphalt, and so it needs a new breakthrough to find a solution so that in the world of pavement in Indonesia can be better. The objective of this research is to add raw rubber or latex as an added ingredient of mixed laston (AC-WC) and lataston or HRS-WC as well as the effect of change of AC and HRS characteristics in addition to the percentage amount of raw rubber.This research was done by adding crude rubber on asphalt with percentage addition of 5%, 10% and 15%. The optimum asphalt content obtained from the mixture of normal test specimen as much as 15 specimens is 6.25% and from the bitumen content is then used to make asphalt raw rubber mixture as much as 3 specimens from each percentage of rubber addition. After that the research is continued by comparing the characteristics of the normal asphalt test results that have been in can with the addition of asphalt raw rubber mixture from each presentse is in search of the percentage addition of crude rubber included in the specification. From the result of this research, it is obtained that the optimum bitumen content at the normal mixture is 6,25% and the increase of optimal crude rubber percentage is at the crude rubber content 5% and 10% with the stability, melt and marshall quotient (MQ) value obtained appropriate and included in the specification of the test results marshall conducted.
PENGARUH VARIASI KEMIRINGAN DAN PENUTUP LAHAN (LAND COVER) TERHADAP DEBIT ALIRAN PERMUKAAN MENGGUNAKAN RAINFALL SIMULATOR Khairunnisa, Audrey Vinny; Yuono, Agus Lestari; Sarino, Sarino
CANTILEVER Vol 6, No 1 (2017): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

The increment of urban infrastructure development causes the green land as a catchment area changes into watertight land cover, so the surface runoff increases. When the surface runoff more than the infiltration, its causes floods. One of the solutions is reduce the quantity of watertight land by using the eco-friendly land cover. Besides land cover, land slope is one of the factors affecting amount of surface flow. Therefore, this study was conducted to determine the effect of land cover use and slope relation to surface flow discharge with rain intensity 70 mm / hour. This research was conducted in laboratory using rainfall simulator with area 2 x 1 m and slope variation 0%, 1%, 2%, 3%. Types of land cover used in this research are paving block (stretcher and basketwave pattern), grass block, grass (Pennisetum purpureum schamach), concrete pavement and sand (as land without cover). The results of this study indicate the use of concrete pavement to produce surface flow discharge value ranged from 2.66 to 3.22 liters / minute, paving block of stretcherbond ranged from 2.43 to 3.0 liters / minute, paving block basketwave ranged from 2.17 to 2.72 liters / minute, grass block ranged from 1.99 to 2.59 liters / minute. Grass produced surface flow discharge ranging from 1.40 to 2.12 liters / minute and sand as land without cover ranged from 1.48 to 2.29 liters / minute. The land slope variation is very influential on the amount of surface runoff discharge. The steeper land, make the surface runoff discharge increase.
ANALISIS PENGARUH KEHALUSAN ABU TERBANG (FLYASH) TERHADAP STABILITAS DAN KEPADATAN CAMPURAN BETON ASPAL (AC-WC) Rosyad, Farlin
CANTILEVER Vol 6, No 1 (2017): Cantilever
Publisher : Jurusan Teknik Sipil & Perencanaan Fakultas Teknik Universitas Sriwijaya

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Abstract

In this study, the use of fly ash material as substitution material of fine fraction on asphalt mixture of AC-WC Concrete to study Marshall and Durability. Concrete of bitumen is one of plywood type of pavement construction of pavement. In this study will focus on the extent of the effect of Ash ash Effect on Asphalt Concrete Mixture -WC tehadap Stability and density of the concrete mixture of asphalt. and in the end it is hoped that later fly ash of coal which used to be a waste material can be utilized as substitution material of fine fraction and alternative filler in road construction. The conclusion obtained from the analysis of the influence of fineness to the stability and density of AC-Wc asphalt concrete is as follows : Stability: Value stability of the mixture in the review of fineness variation tends to increase substitution of fly ash content variation occurs at the rate of 6% optimum zone 3 is equal to 1.435kg and at the level of 8% zone 3 decreased to 1.421kg.KepadatanNilai Density (Bulk density Standard) the mixture in review of the fineness variations tends to increase. variation of fly ash content substitution occurred optimum at 8% level of zone 3 that is equal to 2,421kg / cc. Some suggestions that can be submitted to improve the results performance of concrete asphalt mixture (AC-WC) using subtitution smoothness and fly ash content are: a) for subsequent research in order to analyze the optimum asphalt content to the optimum ash content as the greater the use of fly ash content, the Marshall parameter value tends to be less than optimal andb) It is advisable to combine other types of substitution materials with fly ash to obtain more economical results.

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