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This paper presents a research on the ductility of normal-strength concrete beams which were designed under gravity load only. The beams were then strengthened with CFRP. The ductility of the strengthened beams was compared with that without CFRP. The analytical study employed the formulas proposed by Mander, Fardis, Pullido, and ACI Committee 440. The beams considered in the study were taken from a Moment Resisting Frame System (MFRS) which neglected the seismic loading. The behavior of the beam section at the column face was simulated with that at the midspan which possessed the same flexural and shear reinforcements as that at the end section. The beams were then wrapped with two layers of CFRP. The result of the experiment was the significant improvement in the curvature ductility of the beams strengthened with two-layered CFRP com...
Tower is one of the facility to support signal which is influenced by the elevation factor. For a tower at high elevation, the influence of wind will be very significant to the structure. Therefore, wind site survey should be conducted prior to tower design. The type of tower considered is tapered monopole of 120 m high constructed at Meteorology and Geophysics Station, Semarang. The measurement of anemometer and data analysis resulting in wind velocity of 10-year return period. It was obtained that the maximum wind velocity was 100.8 km/hour or equivalent to 28 m/sec and this will the input for the following analysis. The upper structure analysis is carried out with the help of MsTower which is referred to EIA/TIA-F and LRFD concept. With input of maximum velocity obtained from survey, the tower was analyzed for internal forces. The ...
The aim of this research was to know if there was a relation between understanding face expression capability and interpersonal competency. The research also meant to know if there was a difference between male and female students interpersonal competency who studying at the faculty of Psychology Semarang University. The measurement used in the research was the personal competency scale and understanding face-expression-capability scale. The personal competency scale concists of 62 items with 0.928 reliability coefficient. While the understanding face-expression-capability consists of 40 items with 0.898 reliability coefficient. The subjects for sampling in this research were 90 people. It concist of 36 male and 54 female students of Semarang University. By using product moment correlation technique for analizing the data, it had ...
This research was aimed in analyzing and examining the development of slum residential in Semarang, including its center of the city urban, urban-fringe and sub-urban area. Within the development of the slum residential due to mobility of the urban poor, the phenomenon in the term of residential mobility occurred. Using both qualitative and quantitative methods, this research was applying distant-interpretation data in examining slum residential phenomenon and terrestrial data in analyzing both social and cultural issues related to development of slum residential. This research resulting a residential mobility model throughout areas of research, especially sub-urban including the Chinese cemetery area; the new migrant was the urbanist namely the bridge headers group, consists of tramp and hobos whom should be concerned more. Though the...
Surakarta is located in Central Java Province and strategic. Surakarta is node of transportation network from Semarang, Yogyakarta, Surabaya, Purwodadi, Pacitan, and Wonogiri. If public transport service is not satisfying, the public transport customer will prefer to use private vehicle. Integrated management system is required to improve public transport performance. Integrated management will make operational cost be more efficient, and the customer will get better service for the same ticket price. This research was limited for 10 city bus route lines in Surakarta. The research aims to know the number of passengers, number of vehicles, vehicle operational cost, both individual and integrated, and appropriate tariff for customer and provider. The analysis consists of travel time, number of cycle, number of passenger get in and get of...
Motor Induksi adalah salah satu jenis mesin listrik yang banyak digunakan dalam kehidupan sehari-hari baik untuk industri (paling banyak motor induksi 3 phasa) ataupun rumah tangga (paling banyak motor induksi 1 phasa). Faktor yang menyebabkan hal tersebut karena motor induksi memiliki beberapa kelebihan antara lain: harga lebih murah, mudah dalam perawatan, konstruksi sederhana, tetapi motor induksi juga memiliki kekurangan antara lain: motor induksi memiliki nilai slip (perbedaan kecepatan putar medan stator terhadap kecepatan medan rotor) yang sangat besar, motor induksi sulit dalam pengendalian kecepatan putarnya. Beberapa metode yang digunakan dalam pengendalian kecepatan putar motor induksi adalah metode pengendalian motor induksi dengan pengaturan frekuensi input, metode pengendalian motor induksi dengan mengatur nilai tegangan ...
Unjuk kerja isolator non keramik dalam kondisi terpolutan adalah lebih baik daripada isolator porselin. Paper ini menggambarkan mekanisme penumpukan polutan pada isolator dan proses terjadinya flashover. Isolator silicone rubber yang diletakkan di luar ruangan dalam jangka waktu yang lama menghasilkan sebuah lapisan tipis yang merupakan campuran dari debu, garam dan minyak silikon. Kabut atau embun pagi menghasilkan titik air pada permukaan isolator dan membentuk daerah konduktif. Pelepasan titik dimulai dari daerah-daerah tersebut yang menyebabkan berkurangnya hidropobisitas isolator. Busur pita kering yang terjadi secara simultan bisa mendorong terjadinya flashover. Tegangan flashover pada isolator non keramik terpolutan adalah lebih besar daripada isolator keramik.
Informasi yang ditransmisikan melalui jaringan telekomunikasi tidak hanya dalam wujud “suara” saja, tetapi dapat pula dalam wujud data, video dan image. Informasi yang berbeda-beda wujudnya tersebut dapat ditransmisikan melalui media yang beragam pula. Salah satu media transmisi yang banyak digunakan saat ini adalah jaringan gelombang mikro. Komunikasi gelombang mikro banyak diterapkan baik pada komunikasi satelit maupun komunikasi terrestrial. Sebagai komunikasi terrestrial gelombang mikro merambat melalui atmosfer, karena itu gelombang mikro dipengaruhi oleh adanya redaman (pengurangan energi) dan pudaran (fading) akibat efek atmosfer dan relief bumi. Dengan adanya banyak pengaruh redaman dan pudaran pada berkas gelombang mikro maka perlu diberikan suatu solusi untuk mengatasinya yaitu dengan peragaman (diversity) baik itu peragaman...
Target of this research is ( 1) To analisys factor plan career, promotion, and education of training, having an effect on to SMP PSM Taji Magetan employees performance; ( 2) To know most dominant factor in influencing to SMP PSM Taji Magetan employees performance by parsial. This Research type is is Quantitative, that is an research which aim to to obtain;get verification from a hypothesis, by using predicted parameter test (Test t). To test question instrument used by validity test and reliability test, while classic assumption test which used by is otokorelation test, multikolinearity and heteroskedastisity. Result of research show: (1) Examination of hypothesis by parsial ( test t) shall be as follows: (a) variable plan career have an effect on unidirectional and signifikan to employees performance in SMP PSM Taji Magetan proved b...
Salah satu dampak dari pluralisme kebudayaan adalah pembauran kebudayaan (assimilasi), hal ini bisa terjadi karena adanya rasa saling memahami terhadap perbedaan antara satu dengan yang lain. Dan di antara sarana pembauran itu adalah melalui kesenian. Salah satu kesenian dimaksud adalah Liong dan Barongsai. Meski kesenian ini berasal dari Cina, namun ternyata dalam perkumpulan kesenian Liong dan Barongsai Tripusaka MAKIN Solo, pemainnya tidak hanya berasal dari etnis Cina saja, tetapi terdapat juga etnis pribumi. Kesenian ini telah memiliki fungsi assimilasi untuk proses pembauran etnis Cina dan Jawa.
Want to know more?If you want to know more about this cutting edge product, or schedule a demonstration on your own organisation, please feel free to contact us or read the available documentation at http://www.keep.pt/produtos/retrievo/?lang=en