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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 592 Documents
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STUDI EKSPERIMENTAL PENGARUH INKLUSI BAJA TERHADAP PERILAKU MORTAR-INKLUSI Nauval Rabbani; Mona Dwi Anggraini; Purwanto Purwanto; Yulita Arni P
Jurnal Karya Teknik Sipil Volume 6, Nomor 3, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Beton merupakan material komposit yang tersusun dari mortar dan agregat kasar, serta disatukan oleh semen melalui proses hidrasi. Kuat tekan material beton sangat tergantung dari karakteristik material penyusunnya, dan kekuatan lekatan daerah peralihan antara mortar dengan permukaan agregat kasar yang disebut Interfacial Transition Zone (ITZ). Penelitian mengenai mortar inklusi sudah banyak dilakukan, namun masih sedikit penelitian yang memodelkan inklusi dengan baja. Untuk mengetahui lebih lanjut mengenai pengaruh ITZ baja terhadap mortar inklusi, maka dalam penelitian ini menggunakan beberapa macam mutu mortar yaitu dengan kuat tekan 20, 40, dan 60 MPa. Benda uji menggunakan ukuran 150 x 150 x 50 mm dengan inklusi silinder baja tipe BJTP-40 berdiameter 25 mm dan 32 mm. Silinder baja diletakkan tepat di pusat titik berat benda uji. Hasil penelitian menunjukkan bahwa mutu mortar dan diameter inklusi sangat mempengaruhi perilaku dari benda uji. Kuat tekan mengalami penurunan diakibatkan oleh semakin luasnya diameter inklusi, sedangkan angka deformasi menurun dengan kenaikan pada nilai mutu mortar. Pengamatan yang dilakukan saat pengujian menunjukkan bahwa pola retak yang terjadi adalah columnar yang terjadi di daerah inklusi yang merupakan daerah terlemah dikarenakan oleh ITZ.
PERENCANAAN BENDUNGAN TUGU KABUPATEN TRENGGALEK Tedy Wibowo; Rizki Dwi Putro; Sri Sangkawati; Hari Nugroho
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Tugu Dam is a dam that was built to needs of irrigation water and raw water needs necessary. It had built on the Keser River with catchmen area of river is 43,06 km2, with a length of river is 9,295 km. Administratively located in the Nglinggis Village, Tugu Subdistrict, Trenggalek Regency, East Java Province and is geographically located at position 8˚1 '- 8˚3' south latitude and 111˚34 '- 111˚37' east longitude. Before the Tugu Dam was built, water irrigation fulfillment necessary done by taking water from the Keser River, but water irrigation requirement not maximum because the water taking from the Keser River done with pump system. Tugu Dam is expected to fulfill the irrigation water of Tugu irrigationwith a total area of 1.106 hectare, and fulfill of the raw water in Nglinggis, Pucang Anak, Dermosari, Winong and Tegaren Village of Tugu District on Trenggalek Regency with a projected total populations in 2042 is 19.589 inhabitants. Before planning a dam, the initial step is the hydrological analysis with the result that be discovered gauge the dependable discharge, needs water discharge and flood discharge. In the Tugu Dam planning dependable discharge used is the discharge with probability 80%. Water needs value to fulfill the irrigation water requirement is 0,81 liters/sec/hectare or water needs discharge for water irrigation is 0,90 m3/sec and water needs discharge for raw water is 0,03 m3/sec. Flood discharge using HSS Gama I method for return period of 1000 years of 667,70 m3/sec is used as the basic for search flood analysis (flood routing)by means of the spillway to obtain the dimensions of the main dam and the spillway. Tugu Dam planned using the rock fill dam material with watertight clay core with a slope of 1 : 2,25 in the upstream and 1 : 2,00 in the downstream. Elevated of dam is 69,00 m, the wide of the peak is 12,00 m, wide of the base dam is 301,00 m and full length of the dam is 309,26 m with a 30-year design lifetime of the dam and reservoir volume of 6.12 million m3. Spillway design with specific such as OGEE peak wide of 10,00 m, USBR type II for stilling basin with pool dimensions of 10x55 m and 553,00 m long tunnel deterrent with a diameter of 3,00 m with a number of 2 pieces. Tugu Dam planned at a cost of +495,50 billions rupiahs, and planned implementation time +560 working days.
PERENCANAAN BENDUNGAN CIKERUH KABUPATEN SUMEDANG, JAWA BARAT Andika Feizal W; Sendy Bintang; Hari Nugroho; Sutarto Edhisono
Jurnal Karya Teknik Sipil Volume 7, Nomor 4, Tahun 2018
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRAK Bendungan Cikeruh terletak di Desa Kuta Mandiri, Kecamatan Tanjungsari, Kabupaten Sumedang, Provinsi Jawa Barat,  diproyeksikan guna memenuhi kebutuhan air untuk 958.511 jiwa dan memenuhi kebutuhan irigasi untuk seluas 120 Ha.Bendungan Cikeruh dibangun pada Sungai Cikeruh . Luas Daerah Tangkapan Air (DTA) 48,40 km2 dengan panjang sungai utama 11,31 km. Debit banjir rencana sebesar 462,34 m3/detik (Metode Nakayasu). Bendungan Cikeruh tipe urugan batu inti lempung. Tinggi tubuh bendungan 33,2 m, lebar puncak bendungan 8,6 m dan panjang bendungan 122,33 m serta elevasi puncak bendungan +825,00 m. Kemiringan lereng  1: 3,0 di hulu dan 1 : 2,5 di hilir. Umur rencana bendungan 100 tahun dengan volume tampungan sebesar 52.320,88 m3. Bangunan pelimpah  (spillway) tipe overflow dengan lebar 20 m dan kolam olak tipe USBR II dimensi 15 x 35 m.Pembangunan Bendungan Cikeruh direncanakan selama 24 bulan dengan biaya sebesar Rp 84.994.595.500,00.
EVALUASI STRUKTUR DENGAN PUSHOVER ANALYSIS PADA GEDUNG KALIBATA RESIDENCES JAKARTA (The Evaluation Of The Structure by Using Pushover Analysis of Kalibata Residences Building Jakarta) Cipto Utomo; Rokhmad Irfan Susanto; Sri Tudjono; Hardi Wibowo
Jurnal Karya Teknik Sipil volume 1, Nomer 1, tahun 2012
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRAK Analisis pushover merupakan sebuah sarana untuk memberikan solusi berdasarkan Performance Based Seismic Design yang pada intinya adalah mencari kapasitas struktur. Prosedur analisis pushover dengan memberikan beban statis dalam arah lateral yang ditingkatkan secara bertahap (incremental) hingga mencapai target displacement tertentu atau mencapai keruntuhan. Penulisan ini dilakukan untuk mengetahui perilaku seismik struktur dari besarnya daktilitas aktual dan faktor reduksi gempa aktual. Pola pembebanan lateral yang diberikan pada analisis pushover adalah beban lateral multi-modal, masing-masing gaya dari analisis modal dilakukan respons kombinasi dengan metode SRSS (Square Root of the Sum of Square). Dari hasil analisis pushover didapatkan daktilitas (µΔ) aktual arah x (positif) = 3,85, arah x (negatif) = 3,96 dan daktilitas (µΔ) aktual arah y (positif) = 2,97, arah y (negatif) = 3,15. Faktor reduksi gempa (R) aktual arah x (positif) = 6,2, arah x (negatif) = 6,3 dan faktor reduksi gempa (R) aktual arah y (positif) = 4,7, arah y (negatif) = 5,0. Hal ini menunjukkan bahwa daktilitas (µΔ) aktual dan faktor reduksi gempa (R) aktual yang terjadi sesuai dengan SNI 03-1726-2002 (µm = 4,0 dan Rm = 6,5 untuk sistem ganda yang terdiri dari struktur dinding geser dan SRPMM beton bertulang). Kata kunci : analisis pushover, kurva kapasitas           ABSTRACT Pushover Analysis is a means to provide solutions based on Performanced Based Seismic Design, which in essence is to find the capacity of the structure. Pushover analysis procedure to provide a static load in the lateral directions is increased gradually (incremental) until it reaches the target displacement or achieving certain collapse. In the analysis is performed to determine the seismic behavior of structure and the actual amount of ductility and reduction factor of the actual earthquake. Lateral loading pattern given in the pushover analysis is the burden of multi-modal lateral, each style of respone to the combination of modal analysis performed by the method of SRSS (Square Root of the Sum of Square). The result obtained from pushover The results obtained from pushover analysis ductility (μΔ) the actual direction of x (positive) = 3.85, x direction (negative) = 3.96 and ductility (μΔ) actual y direction (positive) = 2.97, y direction (negative) = 3.15. Seismic reduction factor (R) the actual direction of x (positive) = 6.2, x direction (negative) = 6.3 earthquake and the reduction factor (R) actual y direction (positive) = 4.7, y direction (negative) = 5.0. This shows that the ductility (μΔ) and the actual reduction factor of the earthquake (R) which occurs in accordance with the actual SNI 03-1726-2002 (μm = 4.0 and Rm = 6.5 for the dual system consisting of a shear wall structure and SRPMM reinforced concrete). Keywords : pushover analysis, capacity curve.
ANALISIS EFEKTIVITAS RUANG HENTI KHUSUS SEPEDA MOTOR PADA SIMPANG BERSINYAL DI KOTA SEMARANG Reska Ayu Yuniar M.; Raisha El Kahira; Ismiyati Ismiyati; Bagus Hario Setiadji
Jurnal Karya Teknik Sipil Volume 5, Nomor 2, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Based on WHO research in 2010 shows growth of motorcycles in Indonesia reached 60 million units with proportion of 83% compared to other vehicle types (Helmi, 2015). Motorcycles are the smallest vehicle that has the mobility and maneuverability of high movement. At the time of the green phase, motorcycles struggling to get out from the intersection and continue the journey. The movement of motorcycle can cause conflict with the car or with other motorcycles. Studies conducted by M. Idris in Bandung in 2007 produced Advanced Stop Lines (ASL) for motorcycles can reduce traffic conflicts up to 72% and 11-12% streamlined of traffic flow (Faundra, 2012). The purpose of this research was to analyze the effectiveness of the Advanced Stop Lines (ASL) for motorcycles at the intersection with different characteristics in Semarang. The parameters used in this research are existing conditions, real conditions, the percentage of occupancy ASL, and hypothesis testing comparison. The research method is done by simulating ASL in three arms at signalized intersections in Semarang. Hypothesis test comparison is done by using the hypothesis H0 if the volume of vehicles before they are applied equally to the post applied ASL. The results of this study can be concluded that based on the hypothesis test comparison there is only one research location hypothesis is accepted. ASL for three research locations affect the number of vehicle volume, long queues, and Degree of Saturation. ASL has not seen optimal of the three research locations. It because of geometry conditions are different on three research location , improper lane width, the existence of the island roads, and a left turn on red lane. To be more optimal use of ASL should refers to the rules applicable at the selection of sites that will be imposed ASL.
EVALUATION OF BRT SERVICE PERFORMANCE IN SEMARANG CITY. Case Study : Corridor II, Ungaran - Terboyo Ilham Hussein Rasyid; Aldila Bachtawar Z.; Ismiyati Ismiyati; Bambang Pudjianto
Jurnal Karya Teknik Sipil Volume 2, Nomor 2, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Public Transport is one of the solutions to resolve the traffic in urban area, particularly in Semarang City. Therefore, Semarang City Government provided the public transports in the form of Bus Rapid Transport (BRT) Corridor I (the route of Mangkang – Penggaron) and Corridor II (the route of Ungaran – Terboyo Bus Station). According to the service performance evaluation to BRT Corridor I by Adyan and Salman in 2012, it was found that the Load Factor was 44,73%, and it did not meet the standard of PP.No.41/1993 and SK. Dirjen no.687 stating that the minimum load factor is 70%. Though the service provided was better than other public transportation. Therefore, an evaluation is required to the service performance on BRT Corridor II to determine whether BRT corridor II has the same problem as BRT Corridor I and how the solution to be used as a reference to the next corridor. This research applied the methodology of Dynamic Survey on BRT, Static Survey, Origin Destination Survey and Home Base Survey. Based on the survey and analysis results, it was obtained that the Load Factor by 23.51% is below the standard. In conclusion, the service performance of BRT Corridor I and BRT Corridor II was experiencing the same problem from the aspect of efficiency and effectiveness which is in accordance with the applicable standards but it was found in the field that the load factor was less than 70%. Based on the Home Base Survey, the non-users who are around BRT Route suggested that the manager should be more intensive in socializing BRT to communities and pay attention on the punctuality of BRT travel time. There are still a lot of transport other than BRT operating on the same route, which also resulted in a lack of BRT Load Factor because people tend to choose the transport that can stop anywhere, and it is in contrary with the purpose of the Public Transport. The researcher suggested that BRT and public transports other than BRT are under one management in terms of all the transportations stop in the shelters and have the same service standard. According to survey and analysis, Route from Ungaran to Pemuda and Raden Patah to Ungaran use BRT, whereasPemuda to Terboyo and Terboyo to Raden Patah use feeder transport in other to minimalize cost and make time around become quick, and according to analysis load factor from corridor I and II, prove BRT not too effective presents in Semarang City.
PERENCANAAN DRAINASE KAWASAN PAGARSIH KOTA BANDUNG Azkira Nur Auzan; Mohammad Faqih; Pranoto Samto Atmojo; Sri Sangkawati
Jurnal Karya Teknik Sipil Volume 6, Nomor 4, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Sungai Citepus merupakan sungai yang melintasi Kota Bandung termasuk salah satunya Kawasan Pagarsih dimana posisinya berada di tengah-tengah pemukiman penduduk dan luapannya sangat berpotensi menimbulkan bencana banjir musiman Pada musim hujan tahun 2015 terjadi hujan yang menyebabkan genangan banjir di sekitar Pagarsih. Pemerintah bergerak cepat dengan membangun drainase baru sekitar wilayah genangan, namun, pada musim hujan tahun 2016 masih adanya genangan banjir besar di sekitar Pagarsih yang bahkan menyebabkan rusaknya tembok bangunan dan menghanyutkan dua mobil. Analisis hidrologi untuk mencari nilai debit banjir rencana dilakukan dengan menggunakan software HEC-HMS 4.2. Didapat debit banjir rencana kala ulang 10 tahun adalah 127 m3/detik. Perencanaan perbaikan sungai menggunakan model HEC-RAS dengan debit rencana hasil dari program HEC-HMS 4.2. Setelah dilakukan normalisasi Sungai Citepus, didapatkan bahwa panjang total dimensi sungai yang perlu dinormalisasikan adalah sepanjang 569,45 m dengan  dimensi sungai rencana memiliki kedalaman bervariasi tiap section dan bisa menampung sebagian debit banjir rencana kala ulang 10 tahun (Q10=127 m3/s)  sebesar 90 m3/s. Perkuatan tebing sungai juga menggunakan perkuatan dinding penahan tanah dengan material beton bertulang di kedua sisi sepanjang sungai. Sisa debit sebesar 37 m3/s dialirkan ke saluran Box Culvert dengan dimensi 2,5 x 2,5 meter sepanjang 295 meter. Kapasitas penampang baru dan saluran Box Culvert dapat menampung debit rencana kala ulang 10 tahun. Total biaya pengerjaan pengendalian banjir Pagarsih sebesar Rp87.057.000.000,00,- dan waktu pengerjaan selama dua tahun.
REDESAIN PERENCANAAN STRUKTUR HOTEL CITY ONE JALAN VETERAN SEMARANG Aldyan Wingga Okiyarta; Fajar Nurjihad Cristian; Parang Sabdono; Windu Partono
Jurnal Karya Teknik Sipil Volume 4, Nomor 1, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

City One Hotel lies at Veteran road, Semarang city. This hotel is built at less large area so vehicle come in and sticking out floor basement becomes distress. This redesign change distance between columns from 6 meters become 8 meters, so vehicle comes in and sticking out floor basement become easier. Redesign of the Structure of City One Hotel is make parking area more wider. Parking area from first design only use 1st basement and 2nd basement, meanwhile result of redesign use 1st basement, 2and basement and 2bth basement. First design of City One Hotel used Double System with Intermediate Moment Resisting Frames (IMRF), meanwhile redesign use Double System with Special Moment Resisting Frames (SMRF) for it structure system. This redesign based SNI 1726-2012, and value of earthquake parameter response was download from website of Ministry of Public Work for Semarang City. In order to easier modelling and building structure analysis, redesign of City One Hotel are helped by SAP.2000 version 12 and CSI Col progam. The other differences between first design and redesign’s result is cross-sectional shape of the column and sectional area of the beam. First design use rectangular cross-sectional shape column, meanwhile redesign use square cross-sectional shape column. Benefit of square cross-sectional shape column is moment of inertia equally strong for both sides. The redesign’s beam sectional area is wider than before, this is because increased load on beams comparable with increasing distance between columns.
STUDI EKSPERIMENTAL PENGARUH PENAMBAHAN ABU SEKAM PADI NANO DAN BAHAN TAMBAH SUPERPLASTICIZER TERHADAP KUAT TEKAN BETON Putri Ardiyati; Mira Budi Octaviani; Purwanto Purwanto; Parang Sabdono
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

This research aimed to investigate effect of using nano materials rice husk ash and superplasticizer admixture to concrete compressive strength. Nano rice husk ash used as subtitute of pozzolan portland cement. Production of nano rice husk ash use Planetary Ball Milling with  duration of  milling  for 1 hour. To determine effect of using nano materials rice husk ash dan superplasticizer admixture used variation percentage of materials nano rice husk ash such ash 5%, 10%, and 15% with or without superplasticizer admixture. Tests were conducted  at 28 days with uniaxial loading (one-way). Result of this research indicate normal concrete without substitution of nano rice husk ash and without superplasticizer have highest of concrete compressive strength. Concrete with rice husk ash decreased in compressive strength because of rice husk ash absorb much water and increase the length of  hydration process of cement in concrete mix. Although there is a decrease through this research is expected, nano techonology in civil engineering can more developed.
ANALISIS KEGAGALAN PERKERASAN JALAN PADA JALAN RAYA TIMUR KENDAL Muhammad Yudha Albar; Ronny Albar M; Jati Utomo Dwi Hatmoko
Jurnal Karya Teknik Sipil Volume 6 ,Nomor 1, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Jalan Raya Pantura sering mengalami kerusakan yang disebabkan oleh berbagai macam faktor. Seperti halnya Jalan Raya Timur Kendal yang berada pada jalur Pantura, jalan tersebut mengalami kerusakan secara periodik di setiap tahun. Banjir yang terjadi pada daerah tersebut juga membantu merusak jalan secara signifikan. Perlu dilakukannya penelitian untuk mengetahui kondisi dari jalan Raya Timur Kendal agar kerusakan yang terjadi setiap tahun dapat diatasi dengan menggunakan metode yang tepat. Tujuan penelitian ini adalah menganalisis kondisi kegagalan perkerasan Jalan Raya Timur Kendal. Metodologi penelitian ini adalah membandingkan nilai kemampuan pelayanan jalan kondisi saat ini dengan nilai kemampuan pelayanan akhir jalan  sehingga didapatkan kondisi apakah Jalan Raya Timur Kendal berada pada kondisi normal, kritis atau gagal. Hasil analisis dapat disimpulkan bahwa sebanyak 81% ruas jalan mengalami kondisi gagal dan 19% mengalami kondisi normal.

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