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MEKTEK
Published by Universitas Tadulako
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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Articles 8 Documents
 1 
Search results for , issue "Vol 12, No 3 (2010)" : 8 Documents clear
EVALUASI FAKTOR KEBUTUHAN LISTRIK UNTAD UNTUK MENGETAHUI PROPORSI LISTRIK YANG DIGUNAKAN DARI DAYA YANG TERSEDIA MELALUI AUDIT ENERGI Mukhlis, Baso
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

Components that affect the amount of electricity payment is determined by the cost of kwh and therequested amount of power connected to the PLN. The amount of the charges is directly proportional tothe amount of load or wattage is connected while the power associated with the need factor. Factordemand shows the proportion of electricity used from the total available power. The ideal factor needsto be in the range of figures 60% - 80% .. If these values are low, then there is the possibility of a contractmade to PLN's power is too high that will affect the cost burden that must be paid. To serve theelectricity needs in the campus environment, the University of Tadulako mememiliki 29 meter connectedwith a power ranging from 450 VA sd 345 000 VA. Based on data from electricity bills in 2005, new Untadpay as much as Rp 573.544.300 per year or an average of Rp 47.795.358 per month, but based on datautility bills year 2008/2009 Untad has paid of Rp 956.114.955 per year or an average of Rp 79.676.246 permonth.The result showed that some of the resources that exist in the environment are connected Untad is below60% (not ideal), so it must be lowered to reduce electricity costs to be paid each month to the PLN.
ANALISIS PERBANDINGAN PENGUJIAN LENTUR BALOK TAMPANG PERSEGI SECARA EKSPERIMENTAL DI LABORATORIUM DENGAN PROGRAM RESPONSE 2000 Amir, Fatmawati
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

General, rectangular beam construct to take flexural and shear force. Flexural test can visualitation in thelaboratorium if there are tools like loading frame, load cell, hydraulic jack and data logger. This researchgive alternative conclusion for flexural test used Response-2000 programme, beside the test result.Response-2000 was one programme used to analyse beam and column with combination load cause axialforce, moment and shear force. This method can used to know the behavior of rectangular beam based onlayer method and produce load-bending response, shear force, axial load, moment-curvature, and strainmomentdiagram to know ductility and strength of beam
PERANCANGAN SISTEM KONTROL ROBOT LENGAN YANG DIHUBUNGKAN DENGAN KOMPUTER Nugraha, Deny Wiria
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

The robots were the result of technology development which used to help human being, both in industrial orbeyond the industrial. In the beginning, the robots were such automatic machine which the system stillfeature as mechanic automatic with movement which controlled by simple control system. With thedevelopment of microcomputer, control system in the robot being developed by use the computer where themovement control and their sensor handled by the computer. It make the robot more skilled to handle anykind of jobs. In this study, the authors designed a type of arm robot. The planning of control system of armrobot using computer as data processor with interface PPI-8255 and parallel port (LPT1). Theimplementation of this study were one robot which made from iron frame by the prior driver power that weresix DC motors which use transmission system with gear wheel characteristic, and as the movement/positionsensor used encoder plates which will read by optocoupler. The system planning include generally mechanicsystem planning and hardware system planning
PEMANFAATAN METODE HEURISTIK DALAM PENCARIAN MINIMUM SPANNING TREE DENGAN ALGORITMA SEMUT Alamsyah, Alamsyah
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

Without a program, computer is just a useless box. In general, the search for the minimum spanning tree canbe divided into two methods: conventional and heuristic methods. Use of heuristic methods that are expectedto complete the minimum spanning tree problem with the search results are more varied and with a shortercalculation time.In the conventional method of logic that is used only by comparing the distance of each node and then findthe shortest distance. However, the weakness of conventional methods on the accuracy of the resultsobtained and the resulting error rate in the calculation. It would not be a problem if the data they need onlya little, by contrast with the number of points that a lot will cause increased levels of calculation errors anddecrease the accuracy.The results showed that the parameters of the number of ants (m) and maximum cycle (NCmax) provided amajor influence on the length of the cable and are consistent with the additional parameters α, β, ρ, ζ, and Qare used for the optimal solution. For the settlement in the case of graph seerhana who has 8 points with thenumber of ants (m = 15) and the maximum cycle (NCmax = 10) obtained an optimal solution to the cablelength by 149 meters with a time computation 0 ms, the optimal cycle 1 and the optimal solution by 60%.
PENERAPAN METODE INFILTRATION DITCH SEBAGAI USAHA PENURAPAN AIR TANAH UNTUK SUPLAY AIR BERSIH BAGI MASYARAKAT DESA WANGA Nirmalawati, Nirmalawati
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

Wanga village, according to geoelectric measurements, has groundwater at depths of > 34 meters such thatit was detected below the surface, and rainfall of 3165 mm/year. This condition makes the groundwaterrecharge area is so big, and will be very potential. But in fact during the dry season, the surface water is notsufficient. The purpose of this research is to assist residents in the village Wanga in providing clean waterusing the application of the method "infiltration ditch". Therefore the lack of clean water can be resolved.The research method used is a research and development where the outcomes are to produce a specificproduct and test the effectiveness of these products. The research shows that the method of infiltration ditchin the provision of clean water in villages Wanga can be applied well in the field according to siteconditions, and will be able to overcome the shortage of clean water. Methods "infiltration ditch" can beapplied in other village locations in the North Lore District area because it has the same ground waterconditions
THE EFFECT OF CONTROLLED PERMEABILITY FORMWORK WITH DIFFERENT CURING METHODS ON THE DURABILITY CHARACTERISTICS OF CONCRETE Adam, Andi Arham
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

Controlled Permeability Formwork (CPF) can be used to improve the strength, durability and appearance ofconcrete. This is achieved by allowing excess water and gas to escape at the surface adjacent to theformwork. This paper reports a study aimed at assessing whether such permeable formwork can be used toreduce curing times whilst maintaining durability and strength characteristics. An experimental study isdescribed where trial walls are constructed and tested at various ages following different curing periods andregimes. Results are presented that compare the outcomes of using permeable membrane with those of usinga traditional formwork. Comparisons of durability characteristics are were. The durability of the walls wasassessed by techniques such as: permeability; and water absorption. Results are presented in terms of howdifferent curing regimes can be employed to achieve equivalent characteristics. A discussion of how suchtechniques may be used to reduce construction time is presented.
PENGENDALIAN SISA MATERIAL KONSTRUKSI PADA PEMBANGUNAN RUMAH TINGGAL Asnuddin, Andi
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

Waste material controlling in home building is very advantage involving, (1) tightening of contruction fee,(2) finishing process and job easily, (3) supporting of building environmental friendly.Factors which become consideration to control waste material on home building are (1) planning of designof site and ground plan, (2) material allocation, (3) using kinds of material, (4) keeping place and (5) abilityof employers.In general, kinds of waste material which are taken in home building are (1) ceramics pieces, (2) waste woodfrom scaffolding and mould of concrete (sloof, column, beam), (3) iron pieces, and (4) bricks pieces.Waste material can not be controlled if it uses kind of materials which can not be ordered in few contentsuitable with need because it is related to container and low limitation order
AGIHAN SPASIAL POTENSI AIRTANAH BERDASARKAN KRITERIA KUALITAS DI CEKUNGAN AIRTANAH PALU PROVINSI SULAWESI TENGAH Zeffitni, Zeffitni
MEKTEK Vol 12, No 3 (2010)
Publisher : MEKTEK

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Abstract

The water supply trend to decrease of quantitatively and qualitatively, meanwhile the water demand,therefore problem to manage of water resources exist. This phenomenon also happened at PaluGroundwater Basin Central Sulawesi Province. Distribution of groundwater are spatial and temporalcausing the water supply requirements for domestic in Palu City is not all fulfilled. This study aimed toanalyze groundwater potency zone based on the quality criteria.The research are laboratory analysis for groundwater quality and spatial analysis for distribution ofgroundwater quality. The research evaluation are hydrochemical for drinking water. The research methodsfor sample base : SNI. 6989.58: 2008. ICS 13.060.50 the methods of groundwater sampling. The researchevaluation based on analyzing chemical parameters: pH, TDS, Fe, Mn, Cl, NO3, NO2, and SO4.The research finding that spatial distribution of groundwater in east and west Palu Groundwater Basin withlimit Palu River. The analysis result of chemical parameters for drinking water based on Permenkes.No.907/MENKES/SK/VII/2002, that the potential level of groundwater quality in good class and can be usedfor drinking water

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