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Jurnal Media Teknik Sipil
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Articles 255 Documents
STUDI PERENCANAAN NORMALISASI SUNGAI KALI SONO DI KOTA MADIUN Sribanun Laila Sa’adah Heremba
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

PT. Bank Papua Cab. Fakfak Kali river is located in Madiun with 27,56 km2 large DAS Kali Sono. When the rain come,itcaused flood there. It is needed to solve the problem in which the capability to handle the waterdebitis low. The concept of planning and reconstructing system is flood handling system witharranging dike construction in all the left and right bank of the river.Nakayasu method is one method can be used to know the water debit in each 5 years based onthe arranged rainfall rate. The maximum debit from this accumulation is (Qtr 5) = 87.623 m/det2, soit is needed to reconstructing the river floor.After analize the water profil by using Standart FaseMethod by devide the flow into 58patok. The flow wide is plannedto get the fix profil. Dimensionwith the bank 1:1 is planned to build a dike with urugan ground. After controll the rembesan andaccumulate the stability, it shows savety dake result. From the savety wall analization with theworking force dan controlled to the rolle, movement, and ground pushment that happened to thesavety wall can fulfill the savety point which is appropriate with the legal savety.Keywords: River dimension arranging, dike
©ALGORITMA GENETIK UNTUK MENINGKATKAN KINERJA MODEL TANGKI STANDAR PADA ANALISA TRANSFORMASI DATA HUJAN MENJADI DATA ALIRAN SUNGAI Sulianto .
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

Fundamental weakness of the tank model application is so much value parameters must firstbe defined simultaneously before the model was applied. This condition causes tank models areconsidered not efficient to solve practical problems. This research is an attempt to improve theperformance of Standard Tank Model that can be applied more effectively, especially for thetransformation of climate data into the stream data. The discussion focused on efforts to completethe system of equations in standard tank model using genetic algorithms for optimization parameters,so that the resulting equation system can determine the appropriate model parameters automaticallyat a watershed in the study. Standard tank model is a system composed tank 4 series and has 17parameters. Results of research on the Konto Watershed and the Lekso Watershed show thatStandard Tank Model-based Genetic Algorithm can present relationships very well climate data andstreams data. At the maximum generation value of 500 obtained root mean square error (RMSE) of0.241 m3/sec for the Konto Watershed and the Lekso Watershed of 0.30 m3/sec.Keywords: genetic algorithm, a standard tank model, optimization, parameters
PENGARUH MATERIAL DINDING SEMEN ECENG GONDOK TERHADAP PENYERAPAN SUARA (FUNGSI AKUSTIK) Winodianto Dodi Iffandani
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

‘Eceng Gondok’ was still considered as troubled weeds plant, since the growth was so fastand in 3-4 months able to cover more than 70% water surface.The research was done in Civil Engineering Laboratory University of Muhammadiyah Malangby prototype placement south area of University of Muhammadiyah Malang stadium. Compoundmaterial with ‘Eceng Gondok’ compound material : glue : cement was 1:1:2.5. Test was done in 3sound sources 80 dB, 85 dB, and 90 dB.Test which was done to wall prototype was bounce back sound, escape sound, and soundabsorption to eceng gondok wall by comparing to brick wall prototype with similar test. From testand calculation, there found average value for eceng gondok wall was not better in sound absorptionwith brick wall > eceng gondok wall in sound source 80 dB, 85 dB, and 90 dB found 31.63 > 28.96dB, 36.64 > 30.06 dB, 39.81> 29.95 dB. eceng gondok wall was better for escape sound with valuebrick wall < eceng gondok wall in sound source 80 dB, 85 dB, and 90 dB found 39.86 < 42.46 dB,39.68 < 46.34 dB, 41.46 < 51.63 dB. And eceng gondok wall could be similar in echo sound withsignificance 5% at the sound source 80 dB, 85 dB, and 90 dB.Keywords: cement wall, ‘Eceng Gondok’, sound absorption (acoustic)
PERBANDINGAN MORTAR BERPASIR PANTAI DAN SUNGAI Yusuf Wahyudi
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

The use of sand beach as building material is very rarely used because considering the possibledamage toward the other building materials that caused by salt content in it. This research is aimedto provide an overview comparison of mortar with sand beach and Brantas River, and also the useof cement type Ordinary Portland Cement (PC) and Portland Pozzoland Cement (PPC).The result of this research showed that the average weight of sand beach is 1.7739 ton/m3,the average of dry density: 2.55, the avarege of SSD density: 2.63, the average of appearancedensity: 2.83, the average of absorption: 2.16%. The value of sand silt in Sendang Biru beach is1.452%, while for Brantas River is 1.424%. The best compressive strength of mortar was showedby the mixing of 20% of pp Sendang Biru and 80% of ps Brantas River, that is 318,479 kg/cm2, orabout 28.5% bigger than mortar control (1pc cement: 3ps Brantas) that is 247,706 kg/cm2.Furthermore, the compressive strength of pc mortar cement substituted by sand beach is decreaseto 68%, 25%, and 22%, while for the mixing of pp Sendang Biru compared with ps Brantas60%:40%, 80%:20%, and 100%:0%. The average compressive strength of pc cement mortar ishigher than the average compressive strength of ppc cement mortar in 28 days. The compressivestrength of mortar 1pc: 3 sand in the mix of 100% ps Brantas pc cement is 373.2 kg/cm2. Furthermore,the compressive strength of mortar subtitued with sand beach 20%, 40%, 60%, 80%, and 100%each is decreased to be 97.4%, 74.5%, 58.2%, 31.5%, and 22.8% from value control.Keyword: characteristic, compressive strength, mortar, sand beach, Portland cement, pozzolancement.
PENGARUH PENGGUNAAN FLY ASH PADA BETON MUTU NORMAL DAN MUTU TINGGI DITINJAU DARI KUAT TEKAN DAN ABSORBSI Borris Berqa Leovie Haf
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

Fly ash was used in K300 quality and K500 concrete. To find out pressure strength andabsorption, there used cube test with 15 cm measurement. Concrete mixture planning used methodof DOE (development of Environmental). In K300 with FAS 0.63, slump 3 cm – 6 cm and in K500with FAS 0,41, slump 8 cm - 12 cm. by fly ash variances 0%, 30% cementious and 30% additivefrom the total weight of cement. The pressure strength test was done when the concrete age was7, 14 and 28 days. Absorption was tested when the concrete age was 28 days.In this research, concrete with strength K300 and strength K500 showed similar reaction in allvariances of concrete mixture. Fly ash as additive was better compared with its role as cementious.Since both tester showed increasing in concrete pressure for 10% from concrete without fly ash.And fly ash as cementious showed decreasing in concrete pressure for 10% from concrete withoutfly ash, where the avarege of pressure in K300 was 362 kg/cm2 for concrete without fly ash, 273kg/cm2 for concrete with 30% cementious and 398 kg/cm2 for concrete with 30% additive. Andfor K500 concrete were 568 kg/cm2 for concrete without fly ash, 443 for concrete with 30%cementious and 628 kg/cm2 for concrete with 30% additive. And absorption in strength K300 was0.384% for concrete without fly ash, 0.379% for concrete with 30% cementious and 0.363% forconcrete with 30% additive. And also in strength K500 with 0.276% for concrete without fly ash,0.274% for concrete with 30% cementious and 0.259% for concrete with 30% additive.Keyword : ly Ash, Absorption, Cementious, Additive
PERENCANAAN PERLINDUNGAN DAN PERBAIKAN PANTAI DESA BANYUSANGKA KECAMATAN TANJUNGBUMI KABUPATEN BANGKALAN MADURA Hari Eko Meiyanto
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

A protection and an improvement of shore is essentially if the shorelines setback cause of thesurf hiting and moreever at the beach areas there are settlements or an important buildings. Theplans of the shore protection building is consist of several parameters, including: wind, fetch andwave. The shore protection buildings be able to protect the coast from the blow of the waves andit’s should also be able to withstand the loads around the building. As for the planned the materialprotective buildings are use stone, which is called revetment. The dimensions of the planned revetmentare : a top elevation + 4.00 m, width 1.5 m with two layers of protection and toe protection. Twoprotective layers are the primar layers and secondar layers, the primer thick layers is 1.0 meters andthe secondar thick layers is 0.5 meters, the primar protective stone weight is 0.18 tonnes and 0.018tonnes for secondar.Keyword : The shore protection buildings
KAJIAN BIAYA OPERASIONAL KENDARAAN ANGKUTAN PENUMPANG UMUM KOTA MALANG Khoirul Abadi
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

Almost of Malang public passenger transport vehicles (APU) that operates has reached 17years or more. APU renewal vehicles opinion offered by the Government has always rejected by theoperator. Though Performance of a city depends on the quality of transportation system performance,including the performance of public passengers transportation. This study aimed to produce aconstructive information to support the APU vehicles renewal in public passenger transport operationMalang better. This study has an empirical method, refers to the decision of Director General ofLand Transportation No.687/AJ.206/DRJD/2002 and the Minister of Transportation Decree No.89/2002. The results of the study showed that the average of the vehicle operating costs (renewalvehicles) is Rp. 121,906,736, -/year or Rp. 1.671, -/km. Based on the average of the number ofpassengers (actual), it is shown that the difference of the average between acceptance of the tariffand the vehicle operating cost is Rp. 143,121.79 per-vehicle per-day.Keyword: public passenger transport, vehicle operating cost
PENGARUH PENAMBAHAN SERBUK BATA MERAH TERHADAP STABILITAS TANAH LEMPUNG SEBAGAI TANAH DASAR JALAN Moch. Sholeh; Dandung Novianto; Gerard Aponno
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

Dosen Teknik Sipil Politeknik Negeri Malang Clay consists of grains - grains are very small (<0002 mm) and shows the nature - the natureof plasticity and cohesion. Cohesion indicates the fact that part - the part that is attached to eachother, while the plasticity is a trait that allows the form of the material was changed - edit withoutchanging the content or without returning to its original form, and without any cracks or brokens.And clay with high plasticity index has strong support low when used as a basic foundation of thehighway, so the need for soil improvement.From the above problems then this study aims to engineer clay with red brick powder in fourcomparisons. The first native land. Both the original soil mixed with red brick powder 5%. Thethird native soil mixed with red brick powder 7.5%. The four original soil mixed with red brickpowder 10%. Each of these sought specific gravity, liquid limit, plastic limit and plasticity index onthe original soil, mixing 5%, 7.5% and 10%. From the analysis of data obtained the followingconclusion: the original soil, the value amounting to 60.9 Liquid limit, plastic limit values of 42.8and plasticity index value of 18.1. The most optimal additional percentage is 7.5%. And PlasticityIndex value at 7.5% is 20,31.Key words : Red brick powder, Soil Stability, Subgrade and the Road.
PENETAPAN MODEL BANGKITAN PERGERAKAN UNTUK BEBERAPA TIPE PERUMAHAN DI KOTA PEMATANGSIANTAR Muhammad Efrizal Lubis; Novdin M Sianturi
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

Town expansion not followed by infrastructure development can result many problems andone of them is related to transportation. This research aims to model Trip generation conducted bysome community of housing types in Pematangsiantar town. And the research of this is done toknow and estimate the level of out movement from the housing that will be used for forecasting inorder to overcome all problems at the future period.The primary survey is done by filling thequestionnaire by 86 members of families which are living in three housing type’s area that is luxurious,middle and simple. The result of the questionnaires will be tabulated to become dependent variableand independent variable. Moreover, it will be analyzed by SPSS-12 program. The equation regressionof it will be used to model and awaken the trip of community in some housing types in Pematangsiantartown.From the final result model test, it was gotten that the trip generation in three housing typearea that is luxurious housing type (Y1), middle housing type (Y2), and type housing of simplebuilding (Y3) had been very influenced by amount of family member (X1), amount of the ownershipof car (X3), amount of the ownership of motorcycle (X4) and amount of family go to school (X6).The regression model equations are included by luxurious housing type (Y1) = -0,728 + 1,885 X1+ 0,649 X3 + 0,772 X6, middle housing type (Y2) = 0,600 + 1,300 X1 + 0,900 X3, simple housingtype (Y3) = 0,271 + 1,518 X1 + 0,905 X4.Keyword: Trip generation model, Housing typologies.
STUDI KEBUTUHAN BUKAAN PADA BANGUNAN PERUMAHAN TYPE MENENGAH DENGAN PENDEKATAN PENCAHAYAAN Ode Rapija GW
Jurnal Media Teknik Sipil Vol 10, No 1 (2012): Februari
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Abstract

The purpose of the light on the environment is to lightening every element of the buildingwhich makes the clearer visual sence. In addition, the presence of the light is hoped to comfort theperson who lives there which their activities. The building on medium size (type 45 and type 54)has the small window. Moreover, the building placed on the block only has the front window. Itcauses the building on medium size will catch less light, the room will be darker, and the lamp willbe turned on the day.The instrument of this research is a software dialux 4, 7. The advantages of using this softwaredialux 4, 7 are it will be easier and more variative in editing the geometry of the room, it will beeasier in inserting the furniture to the room which will be calculated, and the output can be conturgrid-3d.The size of the windows in the guestroom, the family room, and the diningroom of themedium building is about 4, 09- 5, 6 m2. The window in the main bedroom is about 1, 51-1, 96 m2width. The window in the children bedroom is about 1, 38-1, 64 m2 width.Keywords: window, lightening intensity.

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