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PENGARUH DUST PROPORTION TERHADAP KARAKTERISTIK MARSHALL PADA CAMPURAN SPLIT MASTIC ASPHALT Makmun R. Razali
Inersia: Jurnal Teknik Sipil Vol 6, No 1 (2014)
Publisher : Universitas Bengkulu

Split Mastic Asphalt (SMA) was developed to obtained a surface layer that is able to provide maximum wearing resistance while providing maximum resistance to deformation heavy traffic. For further developments and experience SMA is suitable for the construction of new roads, road improvement and maintenance of roads. This research to determine the effect of the proportion of limestone dust super escaped # 325 as a substitute filler in a mixture of SMA grading characteristics 0/11 against Marshall. The results show the value of density and stability against dust proportion tends to fluctuate, the value of VMA, VFA and Flow values showed a decrease while Marshall Quotient values against dust proportion showed an increase.

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

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.

PENGGUNAAN BATU KAPUR SUPER LOLOS #325 SEBAGAI FILLER PENGGANTI PADA CAMPURAN SPLIT MASTIC ASPHALT GRADING 0/11 MAKMUN R. RAZALI
Inersia: Jurnal Teknik Sipil Vol 2, No 2 (2011)
Publisher : Universitas Bengkulu

Split Mastic Asphalt ( SMA) was asphalt hotmix, first time developed and applied in Germany. In depelopment and experience, SMA suited for new highway, rehabilitation road and maintenance of road. The researched to know usage of super limestone pass siefe # 325 as substitution filler at mixture of SMA grading 0 / 11 to Marshall Property Result of research from all up to standard mixture was density, stability, flow and Marshall Question, except VITM and VMA

PERBEDAAN GRADASI TERHADAP KARAKTERISTIK MARSHALL CAMPURAN BETON ASPAL LAPIS PENGIKAT (AC-BC) Makmun R. Razali; Bambang Sugeng Subagio
Inersia: Jurnal Teknik Sipil Vol 4, No 1 (2012)
Publisher : Universitas Bengkulu

This research described the result of laboratory investigation toward the performance of Asphalt Concrete Binder Course (AC-BC) mixture with three types gradation : above the fuller curve (mix. A), below the fuller curve (mix. B) and combination between above and below the fuller curve (mix. C). All of the mixtures were designed according to Marshall Method. Test results showed that all mixtures met the requirements from Asphalt Concrete Binder Course (AC-BC) mix properties according to Marshall Parameter. According Marshall method had optimum bitumen content 5,60% (mix A), 6,10% (mix B)) and 6,30% (mix C).

PEMETAAN KAPASITAS DUKUNG TANAH KELURAHAN LEMPUING KOTA BENGKULU Rena Misliniyati; Makmun R. Razali
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

Lempuing is one area in the coastal city of Bengkulu with predominantly sandy soil consistency. This study aims to map the soil bearing capacity of sand Village Lempuing based on data sondir. To achieve these objectives, data collection sondir test at some point spread in the city of Bengkulu Lempuing. Once the data is collected sondir required, further soil bearing capacity calculations for the two types of foundation, the foundation palms (shallow foundation) and pile foundation (the foundation). Capacity analysis results show that the depth of the foundation (Df) ? 1 m, license bearing capacity (qa) for the foundation of the palm of the width (B) 0.6m generate value qa ?1,2 kg / cm2. Meanwhile, the bearing capacity of pile foundation at 6m depth ranging between 35-130 tons. Overall analysis results are displayed in the form of maps of soil bearing capacity. Distribution of value in the map shows that the farther from the coastline, the bearing capacity of the ground at the same depth becomes greater its value.

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

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.

PETA PROBABILITAS LIKUIFAKSI KAWASAN LEMPUING KOTA BENGKULU BERDASARKAN DATA UJI SONDIR Rena Misliniyati; Makmun R. Razali; Samsul Bahri
Inersia: Jurnal Teknik Sipil Vol 6, No 1 (2014)
Publisher : Universitas Bengkulu

As one of the cities on the west coast of Sumatra Island is located in an active seismic lines, causing Bengkulu city into an area that has the potential for an earthquake. This allows also the potential danger of liquefaction when the earthquake occurred. One of the areas in Bengkulu city is the pathway through which the village Lempuing. This study aimed to analyze the potential for liquefaction at the Village Lempuing using probabilistic methods simplified procedure. Probability model used is the probability model developed by Haldar and Tang (1979). The data collected from the results of the geotechnical investigation sondir 6 point spread in the Village Lempuing. Soil resistance parameters in this analysis are based on test data sondir or Cone Penetration Test (CPT). Shear wave velocity data obtained from the correlation of the data CPT Vs. Seismic load parameters used were obtained from the Indonesian Earthquake Zoning Map of 2010 and the seismic history of the city of Bengkulu. The analysis shows the level of probability of liquefaction hazards at the study site is close to 100%. This suggests that the study site has great potential for liquefaction hazards occur when an earthquake occurs.

DAMPAK KENDARAAN PARKIR DI BADAN TERHADAP KAPASITAS JALAN BASUKI RAHMAT KOTA BENGKULU Samsul Bahr; Makmun R. Razali; Novilidia Novilidia
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

Availability of parking is a very important infrastructure in the transportation system. On-street parking Is one of the causes of traffic congestion if its management is not appropriate. Basuki Rahmat Street is one of Bengkulu city’s governmental centers, that’s why on road parking conditions in Basuki Rahmat Street will be important to be researched and studied. The purpose of this study is to know about Basuki Rahmat Street performance and determine the level of traffic flow density due to the use of the road as a parking lot. Methods and techniques of data collectionare done directly in the field. From the results of the study for 4(Four) days of observations is obtained the data on the number of light vehicles (LV) by 52 % and 48 % of motorcycle. If seen from the side barriers, the contribution of parked vehicles on the percentage of side friction is 91% in Saturday, 0% in Sunday, 71% in Monday and 81% in Tuesday, and by reviewing the component of side friction is appearing that vehicles which parked in Basuki Rahmat Street area doesn’t make the road’s performance decreased. It can be seen from the value of the degree of saturation which is 0.38<0.75 as required by Indonesian Highway Capacity Manual. Actual average capacity of 4864.86 smp /hour for Saturday and Sunday,and 4782.96 smp / hour for Monday and Tuesday, This capacity value is smaller than the basic capacity of undivided two-lane road that is equal to 6000 smp /hour. It shows that Basuki Rahmat Street is still able to accommodate the traffic that passes through the road. Traffic conditions at peak hours at Basuki Rahmat Street is specified based on the degree of saturation (DS), that the performance on the road Basuki Rahmat for 4 days observations is at B level, which means that the flow is stable with moderate traffic volume and where the speed is begin to be restricted by the traffic condition, and the driver still free enough to choose the speed and lane road to be used.

ANALISIS LERENG TERASERING DALAM UPAYA PENANGGULANGAN LONGSOR METODE FELLENIUS DENGAN PROGRAM GEOSTUDIO SLOPE Dimas Haryadi; Mawardi Mawardi; Makmun R. Razali
Inersia: Jurnal Teknik Sipil Vol 10, No 2 (2018)
Publisher : Universitas Bengkulu

The Musi Hydroelectric Power Plant area in Kepahiang Regency is a hilly area that has steep slopes that are prone to landslides. One of the landslides that occurred at October 2017 precisely occurred on a highway between Susup Village, Bengkulu Tengah Regency and Ujan Mas District, Kepahiang Regency. This study aims to analyze the slope stability of the terraces using the Fellenius Method. The results of testing the physical properties of the soil indicate that the soil on the slopes of the area of the Musi Hydroelectric Power Plant is clay. The slopes studied in the Musi hydropower area are all prone to landslides because safety factor, FK <1,5. Based on the results of the research on the slopes of the safest type 1 slope the value of the safety factor is the type of slope of the slope trap 3,19o,FK = 1,61 greater than the safety factor value of slope type 2 slope trap 19o, FK = 1,57 and safe slope type safety factor value slope of 19o, FK = 1.519 and the value of the safety factor of the original slope type of slope 30o, FK =0,88.

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).

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