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All Journal International Journal of Science and Engineering (IJSE) MEDIA KOMUNIKASI TEKNIK SIPIL PILAR JURNAL KARYA TEKNIK SIPIL Jurnal Teknik Sipil dan Perencanaan Prosiding Semnastek RACIC : Rab Construction Research Civil Engineering Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Aceh International Journal of Science and Technology Journal of Engineering and Technological Sciences
Sri Prabandiyani Retno Wardani
Departemen Teknik Sipil, Fakultas Teknik, Universitas Diponegoro
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering

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ANALISIS KEBUTUHAN PARKIR PADA RUMAH SAKIT UMUM KELAS B DI KOTA SEMARANG Hirtanto, Teguh; Ismiyati, Ismiyati; Wardani, Sri Prabandiyani Retno
Media Komunikasi dan Pengembangan Teknik Sipil Volume 15, Nomor 1, April 2006
Publisher : Department of Civil Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.993 KB)

Abstract

Parking is one of the important elements of urban transportation, such, it has various long and short-term impacts on individuals, societies, and transportation systems. It affects to the transportation mode selection. People tend to drive private car when the representative parking area is available. This research is focused at the determination of the parameters that affect the use of parking area. The parameters are expected to be useful in estimating the parking area demand of the hospital class B in Semarang. There are six major parameters describing the parking slot, i.e.: accumulation, parking volume, total spaces available (capacity), parking turnover, peak time, duration of occupancy and occupancy. Three hospitals are selected as object of the study; there are RS Telogorejo, RS Elisabeth and RS dr Kariadi. The survey is carried out by direct investigation and questionnaire. Statistical analysis by using linear regression, logarithmic, quadratic, and exponential, indicated that the amount of bed used has a very high correlation with the parking demand. The next highest correlation is observed between medical specialist and parking demand. The average duration in RS Telogorejo is 15 – 30 minutes, RS Elisabeth is 30 minutes – 2 hours, and RS dr Kariadi is 15 – 30 minutes for car. For motorcycle, the average duration in RS Telogorejo is 30 minutes – 1 hour, RS Elisabeth is 30 minutes – 2 hours, and RS dr Kariadi is above 4 hours. From the study, it was found that the ratio between parking demand for vehicle and the number of bed being used is 0.89, meanwhile the ratio between parking demand for motorcycle and the number of bed being used is 1.29. Other alternative of parking facility like special parking building area is recommended to be considered for the hospital with limited area. Keywords: parking, hospital
Stabilisasi Tanah Ekspansive dengan Menggunakan Tanah Putih untuk Tanah Dasar di Daerah Godong Kabupaten Grobogan Jawa Tengah Wardani, Sri Prabandiyani Retno; Muhrozi, Muhrozi; Setiaji, Andi Retno Ari; Riwu, Danny R
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 1 (2018)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (606.555 KB) | DOI: 10.14710/mkts.v24i1.16275

Abstract

Problematic soils such as expansive soils are common in Indonesia. There are several methods to overcome the damage caused by expansive soil, such as by mixing the soil with additives. Some researchers have conducted research by mixing additives into expansive soil (cement, lime, fly ash etc), which work to increase soil strength and reduce swelling. Considering that the people in Buraen Village of Kabupaten Kupang use white soil as a substitute for cement, where the white soil has chemical constituents almost the same as those owned by cement, and contain CaO as it has lime, it is necessary to do research to determine the effect of white soil on physical and mechanical properties of expansive soil, so it can be used as an additive. This research was conducted at Soil Mechanics Laboratory, Civil Engineering Department, Engineering Faculty, Diponegoro University, Semarang.with soil sample from Godong, Central Java and white soil in Buraen Village of Kupang Regency, which purpose to find out the change of physical and mechanical properties of expansive soil that have been given some variation of mixture of white soil  to the dry weight of the soil, with optimum moisture content from standard Proctor test results. The results of this study indicate that white soil can be used as an additive and the use of OMC for mixing is the OMC of expansive soil.
STABILISASI TANAH DENGAN FLY ASH DAN SEMEN UNTUK BADAN JALAN PLTU ASAM-ASAM Huri, Andreas Dharmawan; Yulianto, Kristian; Retno Wardani, Sri Prabandiyani; Hardiyati, Siti
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The huge amount of coal waste (fly ash) produced by Acid plant could be use the main material for soil stabilizing at thr road ro plant acids Because it has the CBR value ≤ 6% is 3.52% roomates minimum limits allowed by SNI 03-1744-1989 and also to solve enviromental pollution problems, but certainly how much fly ash is used in order not to polute the environment Necessary to conduct futher research.In this research, the chemical stabilization method used to repaired the base soil condition is by the base soil mix with a combine of protland cement and fly ash as stabilizing agent in various ratios; 4% PC + 5% FA, 4% PC + 8 % FA, 4% PC + 10% FA, 2% PC + 7% FA, and 4.5% PC + 8% FA by weight of dry soil. The result of original soil tests indicate the clasification is clay with high plasticity (CH) According to the Unified System and grade A-7-6 According to AASHTO. The result of CBR test with various mixed ratio in soaked condition by 0, 4, and 7 days show the CBR value is increasing. The maximum increase of is%, happened in various optimum mix ratio of 4% PC + 8% FA for 4 days of soaked time. The conclusion is that the optimum use of fly ash at 8% could be used to solve environmental pollution problems and also used as stabilizing agent at the road to the power plant Acid.
EVALUASI KELONGSORAN PADA RUAS JALAN WELERI – PATEAN KM50 DAN ALTERNATIF PENANGANANNYA Tanro, Danni; Hidayat, Moh. Ariawan; Retno Wardani, Sri Prabandiyani; Atmanto, Indrastono Dwi
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Road between Weleri - Patean is a national road that has an important role in regional and national economic development. The road is an alternative route that connects the “Pantura” to the “Selatan” route. In January 2012, there was a catastrophic landslide occurred in kilometers 50 from Weleri to Patean. It’s 6.8 meters in height and 8 meters in lenght landslide. As result,, only half the roads are passable by vehicles, and by the implementation of on way system, the flow of traffic became pretty slow.After slope stability analysis using Fellenius method is performed, it is shown that the SF or safety factor of the slope is 0.665 and for 1.284 by using Plaxis V.8.2 program. Both SF less than normal safety factor which is 1.3. So it can be inferred that the slope is in critical condition. Therefore, it is very important to install special reinforcement to restrain or stabilize the slope.The first alternative of slope reinforcement is gabion, the second alternative is retaining wall and the third alternative is steel sheet pile reinforcement. Based on finite element method calculation using Plaxis V.8.2 software, it is found that gabion changes the safety factor of the slope from 1,284 to 1.512 and gives  4.645 cm displacement. Meanwhile, retaining wall increases the value of safety factor from 1.284 to 1.538 and gives 4.365 cm displacement. In otherhand, steel sheet pile reinforcement gives a noticeable safety factor value which is 2.075 and gives 2.932 cm displacement. Compared to the other alternatives, steel sheet pile reinforcement performs the best stabilization reinforcement, resulting in high safety factor value and small displacement value, therefore, steel sheet pile reinforcement is is considered as the best alternative solutions for landslide in Weleri – Patean Km 50 Road.
Ergonomics in Work Method to Improve Construction Labor Productivity Tuti Sumarningsih; Mochammad Agung Wibowo; Sri Prabandiyani Retno Wardani
International Journal of Science and Engineering Vol 10, No 1 (2016)
Publisher : Chemical Engineering Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.49 KB) | DOI: 10.12777/ijse.10.1.30-34

Abstract

Productivity is an important issue in the construction industry. It is directly related to the construction cost and duration of the work. Construction productivity is influenced by many factors, such as material, equipment and labor. Labor is the most important factor, since labor determines how the work is done. Labor productivity is influenced by the work methods, physical fatigue, work environment, capability, and complexity of the work. To improve labor productivity due to the work method, application of the principle of ergonomics is important to consider. This research was held in Yogyakarta included 10 construction projects and involve 30 labor of brick masonry work, 22 labor of ceramic instalation, and 24 labor of wall painting work. The application of ergonomics principles in the masonry work, plaster work, ceramic installation, and wall painting work show an increase in labor productivity by 28.49%, 16.22%, 21.47%, and 26.18% respectively. Compared with the National Standards of Indonesia (NSI) these productivity per job are higher by 10.34%, 57.89%, 12.72%, and 33.33%.
PERENCANAAN JEMBATAN “BERDIKARI” KALI GARANG Deskhi Ardiono; Muhammad Kahfi Fattahillah; Sri Prabandiyani Retno Wardani; Suharyanto Suharyanto
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

This final project consists of redesign of Berdikari-Kali Garang Bridge by using Prestressed Box Girder Concrete. The construction method that is used in this project is segmental box girder. And for the prestressed system, the type of cantilever is based on the consideration of the length of this bridge which has 240 meters length, and is devided into 3 quarters, which are : 60 m + 120 m + 60 m. The design of this bridge begins with the explaination of the background for the choice of the bridge type, the purpose for this study is followed with the fundamental of design, which is analyzed is based on the BMS ’92. from the original data, the preliminary design is done by determining the main dimension of the bridge. In the initial phase, the design of load analyzed are used. Load analyze are self weight, dead load, additional weight, traffic load, and time analyze because of creep, and loss of prestressed. From the analyze, than did the allowable stress control. After, did the box reinforcement calculation, allowable deflection, shear calculation, strength and stability calculation which are crack moment control, limit moment, divided force, and torque. At the end of design stage is did the support design. Upon completion stage box, then do the structural design under the initial step to determine cross-sectional dimensions of the pillars and abutments plan which will be calculated ultimate load that will be used to analyze the strength of pillars and abutments. Recent stages of planning the foundation pillars and abutments. The end result of this planning and cross section shape. Where that will be calculated from the price of the building to be used.
ANALISA GEOTEKNIK DAN PENANGGULANGAN KELONGSORAN TANGGUL SUNGAI BANJIR KANAL BARAT SEMARANG Muhammad Afrol Horison; Syarifudin Adi Saputro; Sri Prabandiyani Retno Wardani; Siti Hardiyati
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

This undergraduate thesis is about the landslide Geotechnical Analysis and Landslide Handling on theSlope of West Flood Canal – Semarang. Labile land condition result the slope happened slide, one of the slope is gristle slide there are at WF 80 and WF 91. This undergraduate thesis involves conditions which the motions of the soil on the slope because of slope unstability, manual calculation slope stability with Fellinius methods. Landslide simulation was carried out by making a model of slope stratigrafi in accordance with field conditions. Determination of soil types was conducted based on SPT values. Geotechnical analysis using Plaxis finite element software. Plastic and elastic model of Mohr-Coulomb failure criterion was chosen as a model soil. Analysis showed that the most optimum treatment is  install retaining wall and group of  bored pile with a diameter 0,6 meter which is modeled with elastic-plastic beam elements. By using retaining wall + bored pile reinforcement, minimum slope safety factor beincreased and reached 1,363 for WF-80 and safety factor beincreased and reached 1,541 for WF-91.
Perencanaan Jalur Ganda (Double Track) Jalan Rel Ruas Semarang – Gubug Christianto P. Adi; Erha Intan Sukmajati; Siti Hardiyati; Sri Prabandiyani Retno Wardani
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Based on National Railways Master Plan (RIPNAS) of Directorate General of Railways Ministry of Transportation (2011), in 2030, number of railway pessangers in Java increased in the amount of 858.5 million people / year and freight in Java amounted to 534 million tons / year. Therefore, the government planed to develop the railway network in Java with Double Track program or multiple pathways in order to achieve optimal service, the development of a single track to double track between Semarang Tawang Station in Semarang until Gubug station in Grobogan were included. From the design performed, the double track alignment will be placed on the right side of the existed alignment in direction from Semarang to Gubug where there are more open land availability, with the new lines elevation as high as the existed lines elevation. Railway constructed in accordance with the first class  railway classification with R54 rails type, double elastic’s fastening system using Pandrol e-clip type with rubber pad, PT.WIKA Beton prestressed concrete sleppers N-67 type , upper ballast thickness of 30 cm and 15 cm thick sub ballast. Double track railway’s subgrade situated more on the fill positions between 30 cm to 165 cm height using retaining wall reinforcement. Side channel surface drainage with a rectangular cross section from reinforced concrete.
EVALUASI KELONGSORAN PADA RUAS JALAN WELERI – PATEAN KM50 DAN ALTERNATIF PENANGANANNYA Moh. Ariawan Hidayat; Danni Tanro; Sri Prabandiyani Retno Wardani; Indrastono Dwi Atmanto
Jurnal Karya Teknik Sipil Volume 2, Nomor 2, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (580.124 KB)

Abstract

Road between Weleri - Patean is a national road that has an important role in regional and national economic development. The road is an alternative route that connects the “Pantura” to the “Selatan” route. In January 2012, there was a catastrophic landslide occurred in kilometers 50 from Weleri to Patean. It’s 6.8 meters in height and 8 meters in lenght landslide. As result,, only half the roads are passable by vehicles, and by the implementation of on way system, the flow of traffic became pretty slow. After slope stability analysis using Fellenius method is performed, it is shown that the SF or safety factor of the slope is 0.878 and for 1.284 by using Plaxis V.8.2 program. Both SF less than normal safety factor which is 1.3. So it can be inferred that the slope is in critical condition. Therefore, it is very important to install special reinforcement to restrain or stabilize the slope. The first alternative of slope reinforcement is gabion, the second alternative is retaining wall and the third alternative is steel sheet pile reinforcement. Based on finite element method calculation using Plaxis V.8.2 software, it is found that gabion changes the safety factor of the slope from 1.284 to 1.512 and gives  4.645 cm displacement. Meanwhile, retaining wall increases the value of safety factor from 1.284 to 1.538 and gives 4.365 cm displacement. In otherhand, steel sheet pile reinforcement gives a noticeable safety factor value which is 2.075 and gives 2.932 cm displacement. Compared to the other alternatives, steel sheet pile reinforcement performs the best stabilization reinforcement, resulting in high safety factor value and small displacement value, therefore, steel sheet pile reinforcement is is considered as the best alternative solutions for landslide in Weleri – Patean Km 50 Road.
ANALISA DAMPAK LALU LINTAS GUMAYA TOWER HOTEL DI JALAN GAJAH MADA SEMARANG Nur Hairani L.; Fachrul Rizka; Sri Prabandiyani Retno Wardani; Ismiyati Ismiyati
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Nowadays the progress of Semarang city is getting rapid, many shop centers rises in golden triangle areas, that are (St. Gajah Mada, St. Pemuda and St. Pandanaran). Most of people use their car or motorbike to do their activities through those streets. This condition caused the higher mobility each year and makes parking lots become important thing in transportation system. The problems about parking lots is important to research. The necessary of parking lot should be available. The bigger traffic volume makes bigger necessary of parking lot. If it does not enough, cars may take the spaces beside of road to park, and this caused some disruptions to others. This research will analyze the effects of traffic of Gumaya Tower Hotel which located at Gajah Mada street number 59-61 Semarang. Maximum accumulation method and queue theory are used in this research. Prymary data which necessary such as amount of car, time-parking, and service system. Whereas for secondary data to analyze traffic growth is car ownership data in semarang.  The conclusion of this research is that effect of traffic  in gumaya tower hotel area caused by the entrace and exit of hotel that not really good so can offend people who use gajah mada street.
Co-Authors Adib Lathiful Huda Agung Ariyan Putra Agus Setyo Muntohar Alfian Arbie Simbolon Andi Retno Ari Setiaji Andreas Dharmawan Huri Bambang Pardoyo Carita, Nensi Christianto P. Adi Danang Dwi Admojo, Danang Dwi Danni Tanro Danni Tanro Deskhi Ardiono Erha Intan Sukmajati Fachrul Rizka Fachrul Rizka Hussein, Muhammad Fahri Ifan Hasnan Taufiqur Rohman Indrastono Dwi Atmanto Indrastono Dwi Atmanto Ismiyati Ismiyati Ismiyati Ismiyati Ismiyati Ismiyati Kresno Wikan Sadono Kristian Yulianto Maemonah, Maemonah Mochammad Agung Wibowo Moh. Ariawan Hidayat Moh. Ariawan Hidayat Muhammad Afrol Horison Muhammad Kahfi Fattahillah Muhammad Rizkivano Akbar Muhrozi Muhrozi muhrozi muhrozi, muhrozi Nur Hairani L. Nur Hairani L. Rafiando, Rafiando Riwu, Danny R Rizqullah, Mochammad Kemal Saputra, Nugraha Eka Setiaji, Andi Retno Ari Siti Hardiyati Siti Hardiyati Siti Hardiyati Suharyanto Suharyanto Sutarman, Encu Syarifudin Adi Saputro Teguh Hirtanto Tuti Sumarningsih Ulayya, Inandhiya Ayu Undayani Cita Sari Vemi Widoanindyawati Widodo, Tanur Windu Partono Yulita Arni Priastiwi Zainuddin, Zainuddin