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Inersia : Jurnal Teknik Sipil

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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 216 Documents

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PENGARUH NILAI KEKASARAN PERMUKAAN AGREGAT KASAR TERHADAP KUAT TEKAN BETON Mawardi Mawardi; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

The aim of this research was to find out the influence of surface cruduity value of coarse aggregater to pressure strength of concrete. The water ratio that aplicated was 0,5. The percentation of surface cruduity value were 100%, 50%, and 0% of the specimen. 9 cylinders of 150 x 300 mm specimens had been tested. It was showed the surface cruduity value to the concrete cause the strengths gettinglower as the percentation getting smaller (average 12 %).

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

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.

ANALISIS KUALITAS KONSTRUKSI PERUMAHAN REAL ESTATE DI KOTA BENGKULU BERDASARKAN PERSEPSI KONSUMEN DAN KESESUAIAN PERSYARATAN TAHAN GEMPA Meilia Evita; Fepy Supriani
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

This research aims to know the quality of real estate construction according to consumers’ perception and compatibility of requirement. The requirement used in this research is the Technical Guidelines of Earthquake-Resistant House and Building. Besides, according to consumers’ perception, it can elaborate the main priority of the increasing quality of developer’s performance. The research used survey methods. They were field observation, interview, and distributing 146 questionnaires which take sample in six real estate residences in Bengkulu. The questionnaire was analyzed using frequency distribution method, mean and rank, and importance-performance. The result of analysis elaborated that the construction quality of real estate residence according to consumers’ perception is quite good with percentage 65, 147%. The priority indicators to increase the performance of real estate developer are the quality of floor, wall, frame, door, and window. On the other hand, the quality of real estate residence according to working compatibility with earthquake-resistant requirement, it is quite good with percentage 64,236% and compatibility of material with earthquake resistant requirement is in good quality with percentage 94,639%.

LAND SLIDE ANALYSIS USING DIGITAL ELEVATION MODELS Mawardi Mawardi; Makmun R. Razali; Cyntia Cyntia
Inersia: Jurnal Teknik Sipil Vol 10, No 2 (2018)
Publisher : Universitas Bengkulu

Landslides almost every year occur in Indonesia, this rare landslide that can be detected early. because so far the prediction of slope slope is difficult. To predict the calculation requires the analysis and stability of the slope manually. This manual calculation process is quite long and long process. The calculation data and slope stability analysis are in the form of slope measurement, the work is quite tiring and risky for the researcher, and also the scope of the slope that can be measured is only narrow. In addition to slope inclination data, for slope analysis also requires soil data to be sampled and testing in a geotechnical laboratory. This study investigated slope stability by creating landslide models using Digital Elevation Models (DEM), and Geoslope programs. Slope model was analyzed from DEM and landslide stability analysis using Geoslope. From this concept we are expected to analyze landslide / stability slope quickly and accurately without risk for researcher. The results of lab tests were obtained:water content (wN), wN1 = 39.47%, wN1 = 40.54%, wN1 = 38.89%. Specific Soil Weight (Gs) ranged from 2.60 to 2.62, wet soil volume weight ranged from 14.59 to 16.16 kN / m3, the weight of saturated soil volume ranged from 15.59 to 16.82 kN / m3, the weight of soil volume dried ranged from 09.99 to 16.82 kN / m3, soil liquid limit ranged 61.26-66.06%, plastic limit of land ranged from 39.58 to 44.88%, soil plastic index ranged from 21.18 to 21.66, so that the soil is categorized as organic clay soil, the face of the soil at a depth of -0.5m, the cohesion value (c) ranges from 29.10 to 34.90 kPa, and the frictional angle values in the range 19.51 21.100, the slope of the slope ranges from 24 to 420 and slope safety figures (FK), on slopes 1 FK = 1.87 (slope safe against landslide hazard), on slope 2 FK = 1.20 (slope unsafe against landslide hazard), on slope 3 FK = 1.52 (the slope is safe from landslide hazards).

ANALISIS KEHILANGAN AIR PADA SALURAN SEKUNDER (STUDI KASUS DAERAH IRIGASI BENDUNG AIR NIPIS BENGKULU SELATAN) Hasnul Efendi; Muhammad Ali; Rena Misliniyati
Inersia: Jurnal Teknik Sipil Vol 6, No 1 (2014)
Publisher : Universitas Bengkulu

The objectives of this research was to analyze how much the loss of irrigation water that occured in secondary channel at the irrigation area of Air Nipis Dam, South Bengkulu. Water losses were analyzed by using the method of debit in and out. The primary data were flow velocity, water depth, and cross section. In addition to primary data also used secondary data. They were temperature, wind speed, and humidity obtained from the Meteorology, Climatology and Geophysics Departement of Bengkulu. This research analyzed how much effect the percentage of water loss due to seepage and evaporation. From analysis calculations obtained the percentage of water loss value due to seepage and evaporation was not too significant. it can be concluded based on the observation of most water loss occurs due to the other factors, such as leaks in the lines, wild plant vegetation along the channel, etc. The results of this research showed that the percentage of total water loss value occurred on channel BN Kr 4 of 85,40% for the left secondary channel and channel BSB 1 of 74,16% for right secondary channels. While the value of the smallest percentage of total water loss occured in channel BN Kr 7 of 24,14% for the left secondary channel and channel BDA 1 of 22,53% for right secondary channels

PENGARUH PENAMBAHAN SERAT KULIT PINANG DAN SERBUK KAYU TERHADAP KUAT TARIK BELAH BETON (Kajian Terhadap Ukuran Agregat Maksimal 10 mm) Hasanah, Era Rizky; Gunawan, Agustin; Afrizal, Yuzuar
Inersia: Jurnal Teknik Sipil Vol. 9 No. 1 (2017)
Publisher : Universitas Bengkulu

Concrete has a high compressive strength, but it is low to tensile strength. The pinang skin fiber and wood powderuse to increase the tensile strength. The purpose of this research is to know the effect of addition toward tensile strength and addition percentage variation in concrete that will get the highest tensile strength.The cylindrical specimens with size of 30 cm high and 15 cm diameter to 20 specimens, they are 4 sample of normal concrete and 16 sample of variation oncrete. The addition of pinang skin fiber and wood powder with variation of 0.25%, 0.5%, 0.75%, and 1% of the weight volume of the specimen with used 50% pinang skin fiber and 50% wood powder.The mixture of concrete uses water cement ratioof 0.5 and 60-100 mm slump.The test specimen is immersed for 26 days and the concrete tensile strength test conducted after the concrete at 28 days adding 7 days for drying.The result of this research shows that the variation concrete of 0.25% and 0.5% have increased of tensile strength than the normal concrete as 12.272% and 4.369%. Beside that for the variation concrete of 0.75% and 1% have decreased as 5.044% and 11.929%. The increase of tensile strength value of optimal concrete is found in variation 0.25% that is 12.272% from normal concrete.

DELINIASI DAS BERBASIS SISTEM INFORMASI GEOGRAFIS DALAM RANGKA MENDUKUNG PENGELOLAAN DAS TERPADU (Studi Kasus : DAS Manjuto Provinsi Bengkulu-Indonesia) Gusta Gunawan
Inersia: Jurnal Teknik Sipil Vol 3, No 1 (2011)
Publisher : Universitas Bengkulu

Improper management of land-use activities cause the disruption of bio-physical balance in the watershed, resulting in flooding, drought, sedimentation, etcetera. This led to many losses, both in economic and environmental. To reduce the impacts, implementation of integrated and sustainable watershed management is urgently required. This requires efficient and effective implementing agencies. They should have the similar perception regarding their respective authority in managing the watershed. To avoid conflict of interests among the agencies concerned, determining the boundaries and area of watershed based on bio-physical parameters is absolutely indispensable. The purpose of the study is to delineate the boundary and determine the area of Manjuto watershed in Bengkulu Province, Indonesia. The 4-step procedure is applied, comprises DEM conditioning, flow routing, delineation of watershed boundary and determination of watershed area. Extensive calculations performed by considering the topography of the region. The test using transectlines elevation proved that the result is accurate and consistent with the the oretical definition. Afterward, the result is compared to the existing information. The result shows that Manjunto watershed area is 79,581 hectares or 7.4% smaller than the area defined by the Ministry of Public Work and 29.3% largerthan the area defined by the Ministry of Forestry.

ANALISA SIMPANG TIGA TAK BERSINYAL MENGGUNAKAN MANAJEMEN LALU-LINTAS (STUDI KASUS SIMPANG TIGA BAJAK) Chesi Anggraini; Hardiansyah Hardiansyah; Makmun R. Razali
Inersia: Jurnal Teknik Sipil Vol 5, No 2 (2013)
Publisher : Universitas Bengkulu

The purpose of this study was to determine the level of performance at Intersection Three Bajak depicted of the degree of saturation (DS), delay, queue opportunities. In this study using the program KAJI and MKJI 1997 as a reference in data processing. In this study there are two alternative solutions to problems that bans the installation of stop signs (alternative 1) and unsignalised intersection improve ments to the signalized intersection (alternative 2). Based on field surveys conducted for 4 (four) days are Monday, Tuesday, Saturday and Sunday, the result degree of saturation at maximum traffic flow from observation days more from the requredment line of MKJI 1997 is ? 0,8 pcu/h exccept at Sunday. As a example for accounting is used maximum traffic flow was at Tuesday with capacity is 2726 smp/jam. From the analysis for the exsisting condition at Intersection Three Bajak produce the degree of saturation (DS) is 0,975 pcu/h, this result more from the requredment line of MKJI 1997 is ? 0,8 pcu/h. Delay that occurs for the exisisting condition is 17,96 sec/pcu and Queue opportunities generated in the exsisting conditions is 38% - 75 %. Alternative condition 1 of produce the degree of saturation (DS) is 0.965 pcu/h was still more from the requredment line of MKJI 1997. Delay is 17,57 sec/pcu and Queue opportunities is 37% -77%. Alternative condition 2 produce the degree of saturation (DS) for Bali street is 0,655 pcu/h, MT. Haryono street is 0,621 pcu/h, Jawa street is 0,693 smp/jam, these results are consistent with the requredment line of MKJI 1997 is ? 0.80. Delay for Bali street is 22,33 sec/pcu, MT. Haryono street is 18,54 sec/pcu and Jawa street is 29,13 sec/pcu. Judging from the degree of saturation (DS), alternative 2 was accordance with the requredment line of MKJI so that it can be concluded that the improvement of the unsignalised intersection to signalized intersection the best alternative solutions to Intersection Three Bajak. Based on exsisting condition, level of service Intersection Three Bajak on level E and degree of saturation is 0,85-1,00 pcu/h.

ANALISIS GELOMBANG PASANG TERHADAP BANGUNAN GROIN TIPE I (STUDI KASUS PANTAI KOTA PADANG) Nadita, Dwiki; Besperi, Besperi; Gunawan, Gusta
Inersia: Jurnal Teknik Sipil Vol. 11 No. 2 (2019)
Publisher : Universitas Bengkulu

Pantai Kota Padang had a breakwater (groin) which serves to withstand sedimentation transport, but building has been damaged and deformed. The purpose of this study was to analyze the building of form I groin using dolos material at Pantai Kota Padang. The method of conducting research primary data processing method used in field direct namely collection (Hs and Ts), while secondary data analysis method using wind data, and analysis data tides. Secondary data in this in this research is the wind data taken for ten years (2009 - 2018) obtained from the Badan Meteorologi Klimatologi dan Geofisika (BMKG) Maritim Teluk Bayur and the tides data taken during the last 5 years (2014-2018) whom obtained from PT. Pelabuhan Indonesia II Teluk Bayur. Results of the groin dolos have 60,803 m in length, 2,20 m on water level, 4,875 m elevation lighthouse and 8,875 m elevation of building, peak width of 1,433 m on the arms building. Weight unit protective cover dolos groin arms are W=0,261 tons, W/10=21,6 kg, W/200=1,3 kg, and amount each layer is 5 m2 as many as 16 pieces for the arms building.Keywords: Breakwater, Groin, Dolos

PERILAKU MEKANIS BETON MUTU TINGGI DENGAN PENAMBAHAN ABU SEKAM PADI DAN VISCOCRETE N-10 Andi Yusra; Samsunan Mahmud
Inersia: Jurnal Teknik Sipil Vol 8, No 1 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/ijts.8.1.11-16

Generally in civil engineering, concrete structure used for the building of foundation, column, beam, plate or shell plate. The mentioned show how important are use of concrete in the field of civil engineering so that required by a circumstantial recognition hit the nature of substance of concrete . To yield the concrete with the high strength, use water or water cement ratio shall minimize with the consequence of concrete workmanship will become difficult because ofconcrete will become very jell, workability value become to minimize. The mentioned can beovercome by enhancing substance additive like superplasticizer. In this research used additives that is rice husk ash (RHA) with the addition of percentage of the weight of the cement 0 %, 5%, 8 %, 10 % and 15 %, it also used superplasticizer (viscocrete N-10) with the addition of percentage of the weight of the cement 1,5%. Concrete was designed with water cement ratio 0,30. Test were conducted was strength test of high strength concrete at 28 and 56 age days. Compressive strength test covered of concrete cylinder by 15 cm in diameter and 30 cm height. Amount of sample test was 30, where each variable used 3 samples. Result of high strength concrete compression test at age 28 days, show at addition of each rice husk ash, 0% yielding strength (55,46 MPA), 5% (50,55 MPA), 8% (48,29 MPA), 10% (53,19 MPA), and 15% (55,83 MPA). For the high strength concrete compression test at age 56 days, 0% yielding strength (59,80 MPA), 5% (63,38 MPA), 8% ( 56,02 MPA), 10% ( 58,47MPa), and 15% (59,98 MPA). Happen by strength addition 7,43% at age 56 day compared to strength at age 28 days with theaddition of rice husk ash equal to 15%.

Page 11 of 22 | Total Record : 216

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Editorial Address Program Studi Teknik Sipil, Fakultas Teknik Universitas Bengkulu Jl. W.R. Supratman, Kandang Limun, Bengkulu

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Contact Name
Ade

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ade.sri.w@unib.ac.id

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+62736344087

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inersia@unib.ac.id

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Program Studi Teknik Sipil, Fakultas Teknik Universitas Bengkulu Jl. W.R. Supratman, Kandang Limun, Bengkulu

Location
Kota bengkulu,

Bengkulu

INDONESIA