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INDONESIA
JURNAL KARYA TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
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Articles 35 Documents
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Search results for , issue "Volume 2, Nomor 4, Tahun 2013" : 35 Documents clear
EVALUASI STRUKTUR GEDUNG RSUD TANGERANG Andhika Mega Laksary; Giovanni Putra Pratama; Himawan Indarto; Bambang Pardoyo
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

In the early design, RSUD Tangerang was built as 5 floor height building, but in the development process, it redesigned to add 3 more floors above the existing. Therefore, it needs a  re-analysis so the strength of the structure to resist the additional loads and earthquake load effect can be known. So the RSUD Tangerang Structure can be changed or reinforced.The result of the analysis is there are some columns that are not fulfilling the safety requirement due to temporary load combination (earthquake load effect). Therefore, it needs a retrofition, in this case it uses Jacketing Method, where this retrofition can strengthen and rigidify the structure. And for foundation, analysis can be done by ASD method.Concluded from ASD method  due to temporary load (earthquake load effect), foundation can not hold the vertical load so it needs a retrofition. From the analysis result, only the P3 pilecap with 3 piles that is not able to hold the vertical load. The retrofition that can be used is combining P3 and P3’ pilecaps.
PENGARUH PENAMBAHAN PLASTIK BEKAS TIPE LOW DENSITY POLYETHYLENE (LDPE) TERHADAP KINERJA CAMPURAN BERASPAL Widi Wantoro; Dyah Kusumaningrum; Bagus Hario Setiadji; Wahyudi Kushardjoko
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Asphalt mixture performance needs to be improved by modifying the asphalt mixture  to produce a strong, durable and high plastic-deformation resistance. While the presence of abundance of plastic waste takes 1000 years to be decomposed perfectly by land. According to the facts,this research  was proposed to improve performance of asphalt mixture by utilizing plastic waste. This is because plastic has high softening point so that it is expected to be able to increase asphalt mixture resistance against the effects of temperature and elasticity. The research was done by substituting a part of filler with LDPE plastic waste in asphalt mixture. Different contents of LDPE, i.e. 0%, 2%, 4% and 6% of the weight of asphalt, were used in this study to simulate the effect of plastic content on mixture performance.  Fifteen samples of AC-WC mixture were made for each variation of LDPE content and all were compacted by 2x75 blows. Then, the mixtures were evaluated by terms of 6 Marshall properties, that is, stability, flow, MQ, VIM, VMA and VFA, one additional parameter, namely Index residual strength (IRS). It resulted  that mixtures with plastic tend to less dense (as showed by higher air voids) and become more rigid (as showed by high stability but low flow). This indicates that the addition of LDPE could make the mixture becoming more rigid but porous causing it has good resistance to plastic deformation but it is more susceptible to cracking and less durable. Although the results showed that mixture with LDPE was not better than conventional mixture, the use of this mixture for underlying layer like AC-BC is still possible. And this is supported by all Marshall properties on selected types (2% and 4%) could fulfil the specification issued by Directorate General of Highway (Bina Marga).
EVALUASI WASTE MATERIAL PADA PROYEK BERBASIS KONSEP GREEN CONSTRUCTION DAN PROYEK KONVENSIONAL Rachmawati Edy Lestari; Khanif Ragil Pamungkas; Arif Hidayat; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The fact that construction causes negative impact to the environment such as degradation of environmental quality that caused by the increasing of waste volume produced by construction activity. Based by research around the globe, it is said that more than 50% of waste are produced by construction activity (Wulfram Ervianto, 2012). The increasing of construction waste comes from a construction process. If large amount of construction waste produced, so analogically the natural resources that exploitated has a large of amount of volume either. So it needs a right management to overcome by appliying a responsible construction process so that the waste that produced will be decreased. In its development, that construction process is known as green construction. This research will discuss about the comparison between the amount of waste that produced during the processing of the 1st and 2nd floor of upper structure work between green construction and conventional project based on implementation method applied by each project. Research method used such that qualitative method with description and data derivation by direct observation and interview on field with case study of construction project of Mataram City Yogyakarta Hotel and Apartment with PT. Pembangunan Perumahan (Persero) contractor as an object of green construction project and Hotel 101 Yogyakarta one with PT. Bintang Sewu Sejahtera as an object of conventional project. From the observation result, the fact that waste on green construction project is considerably less than conventional is obtained, that is with percentage of bar reinforcement waste 0.54%, wood/plywood 4.85%, and concrete 0%.  It shows that selecting the implementation method and waste management precisely can decrease material solid waste.
PERENCANAAN EMBUNG TAMBAKROMO UNTUK MEMENUHI KEBUTUHAN AIR BAKU Fahmi, Mushafa; Halim, Fandy; Atmojo, Pranoto Samto; Sriyana, Sriyana
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The increasing scarcity of water resources, there needs to be an effort that must be implemented to meet the needs of the water. One way PT. Indocement to meet the water requirement of 60 liters / second to harness the potential of Beku river with Tambakromo Embung development plan, in Wukirsari Village, District Tambakromo, Pati. Based on the mainstay discharge analysis by the method of FJ mock obtained the discharge of 120 liters / sec. For the body design of the small dam used the flood discharge hydrological data with HSS Gamma I method with flood discharge plan 1000 years return period amounted 116.92 m3/second. Tambakromo Small Dam capacity is 5,000,000 m3. Tambakromo Small Dam height is 20 meters, 7 meters wide summit reservoir, spillway width of 15 meters, spillway height is 2 meters. Estimated cost to build Tambakromo Small Dam amounted Rp.33.874.000.000, 00.
PERENCANAAN STRUKTUR JEMBATAN LEMAH IRENG 1 JALAN TOL SEMARANG – SOLO Dimas Prasetyo Nugroho; Sidqi Muhammad; Sri Tudjono; Sukamta Sukamta
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Lemah Ireng 1 Bridge is located at Semarang – Solo Toll Road Phase I Section Ungaran – Bawen Package V Tinalun – Lemah Ireng. This bridge was constructed due to a deep ravine at Lemah Ireng Village, so necessary this bridge as a part of the toll road. This bridge is designed using prestressed concrete box girder construction. The method of execution is used by balance cantilever with cast in place box girder. The equipment which is used in the work of box girder is traveller. The length of the bridge is 879 m, which is divided into 8 spans. The bridge with length of 879 m requires complex planning in order to obtain efficient results. This bridge has two abutments and seven piers. Design of this bridge began of planning do the pre-dimension on top of the structure. The dimensions of box girder on this bridge are different in each segment with a shape like a parabola. The next step is analyzing loads incurred, including its own weight, additional dead load, traffic load, wind load, and earthquake load. From the results of this analysis is then performed structural analysis with the program SAP2000 to output results axial force, moment, shear, and torsion. The output of it is able to calculated loss of prestressing force, needs of tendon, and reinforcement of box girder. Sub structures are planned with do the pre-dimension of pier and calculating its strength by biaxial bending Bresler method. A Result from these calculations obtained pier reinforcement ratio is 1%. The next step is calculation of abutment with the first step do pre-dimension and calculated strengths and reinforcement needs. The final stage in the planning of this bridge is foundation of abutment and pier calculations. Calculation bore pile using Broms method for calculating moments received by the bore pile. Results from these calculations obtained bore pile reinforcement ratio is 1% for the abutments and pier amounted to 1.5%.
PENGARUH KOMPOSISI NANO SEMEN PADA PERILAKU BETON Elfiranahla Chandra Dewi; Kartika Trisna Apsari; Purwanto Purwanto; Han Ay Lie
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

This study aimed to investigate the influence of the composition nano-cement to compressive strength and flexural strength on concrete. First step in the produced of concrete with nano materials, necessary constituent concepts concrete material selection right. Cement with fine grains have a larger surface area than the coarse grained cement, thus increasing the surface area of a grain of cement hydration process faster so that more amount of cement that can react with water to increase  so the compressive strength will be increase too. Increased in the compressive strength of concrete will be accompanied by a increased in flexural strength. To determine the effect of the composition nano-cement was used variation of composition nano-cement 0%, 5%, 10%, 15%, and 20%. Specimens for compression test is a cylindrical 10 cm diameter and 20 cm high, and Specimens for flexural test is  15 x 15 x 60 cm. The tools used in the testing is a load cell, LVDT (Linear Variable Displacement Transducer), and data loggers. Through this research is expected, in addition to knowing its effects on concrete compressive strength and flexural strength, can also determine relationship between compressive strength and flexural strength.
ANALISA RESPON SPEKTRA GEMPA DI PERMUKAAN BERDASARKAN PENDEKATAN SITE SPECIFIC ANALYSIS Renata A. Wijaya; Bianca Febriani; Windu Partono; Rudi Yuniarto Adi
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

SNI 03-1726-2002 mentions that the seismic requirements for building construction design should be based on 4 accelerograms from 4 different earthquake events. One of them is El Centro (California, 1940). In 2010, Indonesian Earthquake revision team defined a new seismic hazard maps. Those efforts have led to revisalSNI 03-1726-2002, because after 2002, there was earthquakes, whose magnitude was bigger than the estimation before. This study will analyze the spectrum response that will be showed through maps of amplification factor distribution and acceleration spectrum on Semarang city area. From those maps, amplification factor value of El Centro earthquake will be compared to the others (Hector Mine, Kobe, and Loma Prieta). Also the comparison of acceleration spectrum value ( PGA, T=0.2, T=1) that caused by Earthquake El Centro and the others. The last is the comparison of  spectrum response that was the result of this study and the spectrum response from SNI 03-1726-2002.
EVALUASI PELAKSANAAN SERTIFIKASI LAIK FUNGSI UNTUK GEDUNG PEMERINTAH DI KOTA SEMARANG Bima Iskandar; Sarah Nur Eka Dini; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The condition of buildings in the Semarang City, still needs to improve in reliability, this is because there are already several examples of building failures building before the design life, even up to swallow the casualties. From these problems the Government provides a solution in the form of SLF (certificate suitable function). SLF is a certificate issued by the local government to declare the reliability of a building, before the building is utilized / used. SLF was first listed on the Act No. 28 of 2002 regarding Building, Government Regulation No.36, and guidelines made by the Ministry of Public Works SLF 25 / PRT / 2007. Boundary problem in the research is the implementation of the SLF predicament for government-owned buildings in the city of Semarang by considering the function of government-owned buildings used for public purposes, while giving precedence to SLF buildings intended for public use such as: offices, schools and hospitals. For the implementation of the SLF field still constrained some major factors such as ownership of IMB is still minimal, as well as regulation of the mayors of Semarang on the SLF has not been established. To overcome the existing problems then use SWOT analysis. The use of SWOT aims to find an overview of the strategies of existing problems. In a SWOT analysis and supporting data needed SLF implementation constraints, which are then classified based on the strengths, weaknesses, opportunities and threats. After classifying the data and then given the weight of each. From the results incorporated into the subsequent weighting diagram SWOT analysis and obtained turnaround strategy. This strategy shows that the condition of SLF in Semarang is located on opportunities and weaknesses. Then, in solving problems SLF in the city of Semarang is by taking advantage of opportunities to minimize the weaknesses. One example of this strategy is effective immediately sanction available to the public in violation because of the passage of sanctions yet.
KAJIAN GREEN CONSTRUCTION STUDI KASUS: PERUMAHAN BERANDA BALI Hizkia Kurniawan Tarigan; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The construction is part of the largest contributor to emissions of CO2. The concept of green construction  is one of the business that can minimize negative impact on the environment in the process of construction . The research objective are to analyze and to evaluate the application of green construction on housing development of Beranda Bali by PT Mikroland Property Development. The methods used in this study is interviews , observation , and documentation. It is done by observing the application of green construction approaches with the underlying indicator of planning and scheduling, resource and material cycles, protection, waste management, construction, material storage, manifesting a work place eco friendly, the selection and operation of construction tools, training for sub contractor, air quality, documentation, health and convenience, environmental, management project the reduction of the ecological, foot print, water conservation, land use, energy efficiency and conservation in the green construction factors. The data processing is done by comparing the results of the research data with factors of green construction in PT.Pembangunan Perumahan, Green Building Council Indonesia (2012). The results obtained are there are 10 applications have been applied by PT Mikroland Property Development which include planning and schedulling, resource and material cycle, the protection of job sites, construction waste management, material storage, manifesting a work place eco friendly, water conservation, the reduction of the ecological foot print, appropriate land use, energy efficiency and conservation. Thus Perumahan Beranda Bali has applied the concept of green construction of 60% of the 17 application of the factors that affect the construction of green
PENGARUH PENGGUNAAN BETON FLY SLAB PADA GEDUNG BERTINGKAT (STUDI KASUS GEDUNG TELKOMSEL SEMARANG) Afdholi Afdholi; Jumani Arso; Nuroji Nuroji; Hadi Wibowo
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Telkomsel building structure is located in Jl. Pahlawan Semarang, the buildings was built using conventional reinforced concrete and then replanned using Fly Slab, where the structure of the building was designed by ”Indonesian Concrete Code (SNI03-2847-2002)”, while the analysis of earthquake load uses response spectrum method based on “ Indonesian Seismic Code ( SNI03-1726-2010)”. Fly Slab has been often used in engineering structures, from several studies Fly Slab able to provide good structural performance and more effective in increasing the loading capacity, economical advantages and accelerate the implementation of the work during the process. Fly Slab is a concrete slab with reinforcement in design with high quality technology to produce concrete which is much more effective, efficient and economical than conventional concrete. Structural analyzis calculated with the help of structural analysis program SAP2000 v10. From the results of the calculations it shown that the structural elements of the building was safe analyticaly.

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