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Inersia : Jurnal Teknik Sipil
Published by Universitas Bengkulu
ISSN : 20869045     EISSN : 26865017     DOI : https://doi.org/10.33369/ijts
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Each volume contains two editions. The first edtion is published in April and the second one in October. This journal accomodates the research result in the area of civil engineering, i.e. Construction Management, Geotechnical Engineering, Structural Engineering, Transportation Engineering and Water Resources Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 8 Documents
 1 
Search results for , issue "Vol 8, No 2 (2016)" : 8 Documents clear
PERENCANAAN TUBUH BENDUNGAN AIR PADANG GUCI KABUPATEN KAUR PROVINSI BENGKULU Bagus Prasetya; Besperi Besperi; Muhammad Fauzi
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (632.612 KB) | DOI: 10.33369/ijts.8.2.1-16

Abstract

Padang Guci Hulu Subdistrict has potential to meet the needs of sizeable water supply. It is supported by geographical location of Padang Guci Hulu Subdistrict which is in the tropical region where there are hight enough rainfall. However in general the problem arising in Padang Guci Hulu Subdistrict during dry season is the availability of raw water and irrigation water that very limited. The purpose of this research is to design a strong and safe dam body construction againts its stability control. Planning dam body uses design flood from synthetic hydrograph gamma I with a return period 1000 years of 224,66 meter3/second. This dam isplanned as high as 31,3 meter, with dam base elevation of + 405 meter, peak elevation + 436,30 meter, high surveillance 2,8 meter, the width of the dam crest 8,5 meter, upstream sloop 1 : 3, downstream sloop 1 : 2,25. The body design of the Air Padang Guci Dam has qualified for its stability control.
ANALISIS TEKNIS DAN EVALUASI KELAYAKAN PEMBANGUNAN JALAN PENGHUBUNG KABUPATEN KAUR-PROVINSI BENGKULU RUAS JALAN TANJUNG KEMUNING Syahrul Syahrul; Hari Nugraha Nurjaman; Fitri Suryani
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.279 KB) | DOI: 10.33369/ijts.8.2.25-40

Abstract

The purpose of this study was to evaluate the feasibility of the construction of feeder roads Kaur District-Bengkulu Province street section Tanjung Kemuning. Methods of data collection using the method of observation and documentation. Methods of data analysis using cost analysis which includes the costs of the project, saving the BOK (Vehicle Operation Costs), and travel time savings and economic feasibility analysis includes economic analysis and sensitivity analysis. The results showed that (1) the results of the technical analysis of road pavement structure includes (a) the type of road pavement construction consists of four (4) arrangement of layers, namely 1) the surface layer, thick 10 cm, layer forming material Crescent, 2) the base layer, thick 21 cm, broken gravel layer forming material which doused with liquid asphalt, 3)sub-base layer, thick 23 cm, layer-forming material mixtures of local soil with lime or portland cement, and 4) basic soil layer, thick 41 cm, layer-forming material local soil at the site of road construction projects are compacted; (b) the condition of the pavement include 1) the traffic planning and traffic growth rates, namely a) average growth rate of 4.5%, b) current peak hours is 48 SMP/day, c) LHR value, ie LHR at the beginning of the plan year is 1.200 SMP/day, d) value of LHRT, i.e LHR at the end of the plan for 1.948 SMP/day; 2) value of CBR is 2.423% and E of 36.345 Psi; 3) functional quantities of pavement systems include (a) value of Po is 4.0; (B) valu of Pt is 1.5; and (c) value of Pf is 2.0; 4) value of R is 95% and S is 0.35; and 5) value of SN is 3 cm, and (c) the strength of road construction are 1) value of s is 1.065, 2) value of d is 5 deflections, and 3) value of FK is 0.47% and (2) the analysis of costs consistof (a) the total project cost Rp.10.142.160.500,00, (b) savings BOK (Vehicle Operating Costs) of the three dominant types of vehicles passing through Tanjung Kemuning Street, ie passenger cars, truck/bus medium, and truck/bus large amount Rp.953.814.502,55 covering fixed costs and variable costs Rp.878.980.000,00 of Rp.74.834.502,55, and (c) saving travel time of 0.6hours. This means that with the construction of feeder roads Kaur District-Bengkulu province,road users can save travel time for 0.6 hours compared to pre-project or equal to Rp.572.288.701,53; (2) evaluation of the economic viability include (a) the economic analysis, the value of BCR with an interest rate of 10% at 1,490, the interest rate of 12% amounting to 1,487, and the rate of 15% at 1,482. All the BCR value greater than 1, NPV at 10% interest rate for Rp.5.068.189.644,36, interest rates on 12% of Rp.4.570.421.018,57, and a 15% interest rate for Rp.4.451.192.644,17 , and the value of EIRR of 15.41% and (b) the sensitivity analysis obtained values BC(Benefit-Cost) nothing is worth (-).
NILAI CBR PADA STABILISASI TANAH DENGAN SEMEN JALAN BUDI UTOMO UNIB DEPAN mawardi mawardi; Makmun R. Razali; Olandri Wijaya
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (105.006 KB) | DOI: 10.33369/ijts.8.2.67-76

Abstract

CBR value research on soil stabilization with cement in the Budi Utomo UNIB Depan for influence soil properties and soil CBR original value after stabilisation with cement. Geotechnical Lab Testing was conducted at the Faculty of Engineering UNIB. Test laboratory soil properties include: density, water content, sieve analysis, Proctor standard test, Atterberg limits, and experimental value of CBR (California Bearing Ratio) laboratory. Stabilization soft soil made with cement with the addition of cement content of 0%, 2%, 4%, 8% and 12%. Based on test results propeties soil and the value of laboratory CBR. CBR maximum value at additioning cement content of 12%, the CBR value an increase of 144.21%, of the original soil conditions, dry density increase 3.85%, of the original soil, optimum moisture content decrease 13.75% of the original soil, PI value decresel 50.42% of the original soil, the value of  specific gravity (Gs) increse 1.93% of the original soil. Stabilization with cement increasing the value of CBR, which means it will also boost the stability of the soil and will also increase the soil bearing capacity (qu). The increase in soil stabilization and soil bearing capacity proportional to the increase in the value of CBR amounted to 144.21%, this is due to the presence of silica, clay and limestone contained in the hydraulic cement is a binder.
PENGARUH PENAMBAHAN SERAT PANDAN PUNDAK DURI (PANDANUS TECTORIUS) TERHADAP KUAT TARIK BELAH BETON Sherly Marlia; Agustin Gunawan; Fepy Supriani
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.589 KB) | DOI: 10.33369/ijts.8.2.41-47

Abstract

Concrete is a material that is high in compression, but weak in tensile. The weakness of concrete can be minimized by conducting several concrete development. Fiber-reinforced concrete is concrete given the addition fiber in the concrete mixture. Pandanus tectorius spines fairly high in fiber, so that should be developed in the technology of materials, particularly concrete engineering fields. This study aims to determine the value of tensile strength of concrete sides and variations of the fiber increment persentage in the concrete that would get the highest tensile strength. Tested specimen for tensile strength was cylindrical with 30 cm in height and 15 cm in diameter.There was 4 variations of pandanus tectorius fiber addition, consecutively 0.25%, 0.5%, 0.75% and 1%. The water cement ratio used was 0,5 with slump range between 60-100 mm. The addition of pandanus tectorius fiber gave a lower tensile strength than normal concrete. The lowest and highest strength was consecutively 9,687%(variation 0,25%) and 25,718% (variation 1%).
PENGGUNAAN LIMBAH MARMER SEBAGAI FILLER PENGGANTI PADA CAMPURAN LASTON LAPISAAN ANTARA (AC-BC ) Makmun R. Razali
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (75.915 KB) | DOI: 10.33369/ijts.8.2.77-84

Abstract

Gradation of aggregate used is laston with kind of a mixed layer between (AC-BC) guided by  the specifications of hot mix asphalt Kimpraswil 2003. Infrastructure Layer Asphalt Concrete (laston) is layered on construction pekerasan road that serves as a protective construction have also taken into account underlying structural value a mixture of hot asphalt with aggregate gradation continuously. This study was to determine the use of waste as a substitute filler marble against karekttistik Marshall. From the results of this study are eligible specification marshall mixture so that the waste can be used as a filler marner replacement.
KUAT TEKAN BATA MERAH DENGAN VARIASI USIA DAN KADAR AIR ADUKAN TANAH LIAT Elhusna Elhusna; Rina Agustin
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (281.672 KB) | DOI: 10.33369/ijts.8.2.49-54

Abstract

Clay mortar storage during the molding of brick often takes place in brick home industry factories. The storage caused by the time and the labors limitation. This article is the report of the research of the age of the clay mortar storage during the process of the brick. Clay mortar in this research was made at the same time and molded to be 20 bricks every day till the fith day of the clay mortarstorage. Water content of each clay mortar variations were measured. The brick production process were done as the way they did at a factory in Pasar Pedati, Midle Bengkulu Regency. The brick compressive strength test was done according to SNI 03-4164-1996 using the compression machine hand operated of 250 kN capacity. The test was done on the seventh day after the mortar covering on top and bottom of the brick. Every first crack was occurred at the brick. The strength which report is the strength of the brick when the first crack occur during the test. The two days clay mortar storage produce best compressive strength of the brick. It also has the highest clay mortar water content. The clay mortar storage of 2 untill 4 days produce bricks with better strength.
PERBANDINGAN ANALISIS KOLOM DENGAN METODE ANALITIS DAN METODE BEDA HINGGA (KASUS KOLOM DENGAN DIMENSI 300x300 mm2, f’ c = 20 MPa, fy = 400 MPa, As + As ’= 1% Ag) Mukhlis Islam
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.154 KB) | DOI: 10.33369/ijts.8.2.55-66

Abstract

The aim of this research is to study the feasibility and effectiveness of finite difference method utilization as an alternative method for reinforced concrete column analysis and design tool beside analytical method which is already ratified by many design codes. The background of the research is that the finite difference method is relatively easier to apply as calculation tool by using computers. In this research the finite difference method is applied to calculate the magnitude of concrete stress that was discretized by using concrete stress strain relationship equations proposed by Hognestad (1951). The results of the research show that the application  of finite difference method to calculate the axial and bending moment capacity of reinforced concrete column by using the aforementioned concrete stress strain relationship provide good results with deviation of 5.61% up to 18.70% compares to analytical method for axial capacity, and 0.65% up to 4.33% deviation for bending moment capacity, both on the conservative side.
PENGARUH PEMANFAATAN PECAHAN TERUMBU KARANG SEBAGAI PENGGANTI AGREGAT HALUS TERHADAP KUAT TEKAN BETON Adika Kurniawan; Yuzuar Afrizal; Agustin Gunawan
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (84.873 KB) | DOI: 10.33369/ijts.8.2.17-24

Abstract

Fractional reef has similarities with fine aggregate used as a substitute fine aggregate in theconcrete mix. This study aims to determine the optimal percentage of replacement fragments ofcoral reefs as a substitute for fine aggregate of compressive strength of concrete at 28 days.Test specimen using a slump of 0.6 fas 60-100 cube measuring 15 cm x 15 cm x 15 cm by 20samples. Variation replacement coral fragments used were 25%, 50%, 75% and 100% of theweight of the volume of fine aggregate. The results of the study of fine aggregate replacement with shards of coral reefs have increased the compressive strength of normal concrete. The percentage increase in the compressive strength of concrete for a variation of 3.024% P25replacement, replacement of variation of 6.61% P 50, P 75 variations replacement of 9.219 andvariations replacement P 100 at 1.220%.

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