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MEDIA KOMUNIKASI TEKNIK SIPIL

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Published by Universitas Diponegoro

ISSN : 08541809 EISSN : 25496778 DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

Media Komunikasi Teknik Sipil (ISSN 0854-1809) published twice in a year, in July and December. The article can be product of researches, scientific thoughts or case study, in civil engineering and isnâ€™t formed by politics, commercialism, and subjectivity unsure. This scientific journal contains articles of thought and research results in Civil Engineering that have never been published in scientific journals or other media.

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Articles 9 Documents

Search results for , issue "Volume 23, Nomor 1, JULI 2017" : 9 Documents clear

Perubahan Pola Pergerakan pada Simpang Kalibanteng akibat Penerapan Manajemen Dua Arah pada Flyover Wicaksono, Y I; Indriastuti, Amelia Kusuma; Riyanto, Bambang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Kalibanteng Intersection is one of primary node in west part of Semarang City. It is a signalized intersection which shaped roundabout. It lies on the truck track from west to east of Java Island, which is crossed over by Flyover Yos Sudarso â€“ Siliwangi and Flyover Sudirman â€“ Siliwangi. Formerly, the flyover is designed for Siliwangi â€“ Yos Sudarso vice versa. The flyover could decrease truck volume from east to west, on the contrary heavy vehicle movement is still overburden Kalibanteng Intersection capacity. On 2018, it is planned that Ahmad Yani Airport access road will be diverted. Thus, it is important to increase Kalibanteng Intersection performance, and accommodate the airport access divertion plan at a time. This research is aimed to identify the existing movement pattern at Kalibanteng Intersection, to evaluate the existing signalized intersection performance, to develop a simulation of two way management on Kalibanteng Flyover, to analyze the movement pattern due to the implementation of two way management on the flyover, and to analyze the signalized intersection due to this management. The results show that the highest movements in Kalibanteng Intersection are the movement from Siliwangi to Yos Sudarso (which is dominated by heavy vehicle) and from Siliwangi to Sudirman (which isi dominated by light vehicle and motorcycle), and will keep on increasing in the future. These movement greatly contribute on intersection performance. This shows that the utilization of the flyover for two-way movement can be considered with mode type limitation. Using two-way flyover, the performance of Kalibanteng signalized intersection will increase.

Penentuan Urutan Prioritas Penanganan Pemeliharaan Jembatan Ruas Jalan Nasional di Pulau Bangka Provinsi Kepulauan Bangka Belitung Rakhmatika, Rakhmatika; Setiadji, Bagus Hario; Riyanto, Bambang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Bridge is a part of road infrastructure system which must be well managed. One of the maintenance strategy is a whole year maintenance to keep the bridge in good condition during its design life. With tight budget, a comprehensive decision is needed to prioritize which bridge needed the most. The purpose of this research is to identify and determining the criteria and sub criteria, the scale of priority handling, and value sensitivity in maintenance activities bridge in of national roads island bangka. Analytical Hierarchy Process (AHP) was used to provide qualitative space for experts to share opinions and complemented with quantitative analysis. This method was also as an applicative tool to support BMS (Bridge Management System) program by using more measurable approach. This research used six criteria and 18 sub-criteria. The criteria with the highest and lowest weight were general condition of the bridge and social and regional development aspect, respectively, while the sub-criteria with the highest and lowest weight were watershed condition and the number of public facilities served, respectively. The resulst on 74 researched bridges showed that Segambir bridge became the bridge with the most priority to be maintained, followed by Birah and Nangka bridges.

Perubahan Nilai Ekivalensi Mobil Penumpang Akibat Perubahan Karakteristik Operasional Kendaraan di Jalan Kota Semarang Yulipriyono, EPF. Eko; Purwanto, Djoko
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Passenger Car Equivalent (PCE) is a conversion factor to make equal the various types of vehicles that operating on the road section into one type of vehicles i.e. passenger cars. Indonesian Highway Capacity Manual (MKJI) 1997 has set the PCE values for various types of vehicle groups either motorized. PCE values of various types of vehicles are not absolute because many factors that affect can change over time and development of automotive technology. This study aimed to find out the changes of PCE value that occurs. As for the purpose of research to determine the current number of PCE values due to the change of operational characteristics of vehicles on a highway especially for urban highways. Data analysis for the determination of PCE values used: time headway method, speed method, capacity method, and vehicle dimension method. The conclusion of this study: PCE of light vehicles (LV) = 1 still in accordance with MJKI 1997; PCE of heavy vehicles (HV) varied depending on the road types. PCE of heavy vehicles that according to MKJI 1997 is used as a median; PCE of motorcycles (MC) of MKJI 1997 need to be adjusted to 0.4 or more, particularly in the calculation of actualy traffic flow.

Evaluasi Penjadwalan Proyek Pengembangan Rumah Sakit Mitra Husada Pringsewu Dharmawan, Weka Indra; Oktarina, Devi; Wibowo, Tito Catur
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Project is a unique sequence of interrelated activities to achieve particular result and done in particular time period. Due to time and budget limitation, management undertaking of a project needs to be evaluated by using a special method in order to avoid loss and retardation. CPM and S Curve are among evaluation methods. This study was to identify network, critical activities, critical event, critical line and to analyze optimum cost and duration of VVIP Building development project of Mitra Husada Hospital Pringsewu with time acceleration to avoid retardation. Result showed that after S Curve Evaluation done, implementation cost could be reduced 10% lower than realization cost from IDR 12,423,077,000.00 to be IDR 11,293,707,000.00. Mean while, after acceleration by using CPM method, the critical line decreased from three to one line and project duration shortened from 448 days to be 360 days. Evaluation of projects using the S Curve and with the CPM shows a simple way of evaluation and can be done by various actors of construction.

Analisis Kelayakan Perubahan fungsi Terminal Penumpang menjadi Fasilitas Parkir Angkutan Barang (Studi Kasus Terminal Terboyo Semarang) Basuki, Kami Hari; Kushardjoko, Wahyudi; Janita, Andreana; Pratama, Ganis Satria
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Semarang City has public transport terminal at Terboyo. It is unperformance terminal has caused by land subsidden and flood. The aims of this study is determined fisibility of Terboyo freight-transport terminal park at Semarang City. Methodology analysis at this study is improved transport modelling to determine freight-transport demand. Traffic counting survey with Manual Kapasitas Jalan Indonesia (MKJI) 1997 method are used to know the road and intersection performances that closest to Terminal Terboyo. The study results have showed most trucks parked in Kaligawe road and Yos Sudarso road was continuous journey, while trucks parked in Ronggowarsito road was a truck with the origin or destination of Semarang. Potential park fasilities at Terboyo is indicated by the length of the vehicle configuration plan of 8 meters and parking 45Â° obtained as much as 73 PSU (Parkign Space Unit), while the north side of the field with a length of 18 meters and plan vehicle parking configuration 30Â° obtained 76 PSU. It has powerfull to accommodate parking of heavy vehicles. This studi has not identified the potential of regional freight-transport. Occutionally, the pattern of movement of freight transport does not occur in the local area only. So, that further studies need to be conducted with respect to the coverage area of study on a regional basis.

Pembangkitan Data Debit dan Skenario Pola Tanam Daerah Irigasi Embung Suruhan Pratiwi, Bertha Silvia; Sachro, Sri Sangkawati; Suharyanto, Suharyanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

The availability of historical data used in hydrological analysis is often incomplete and very short, so the information obtained from the data is also very little. If continue to use incomplete historical data or a little period of time, the analysis results will not match the circumstances in the field. Hydrology analysis in planning of Embung Suruhan uses rainfall data from Jiken Station, Blora Station and Bogorejo Station from 1986-2006 and climatology data of Tempuran Reservoir Station 1986-2005 with 4.6 million m3. The next study, capacity 6.69 million m3 with rainfall data from five stations, namely: Blora station, Jiken, Gayam, Greneng, and Tempuran from 1997-2012 and climatological data of Tempuran Reservoir and Kedung Ombo Reservoir. This research is to get the requirement of optimal irrigation with forecasting of discharge data and simulation of initial variation of planting and some scenario type of planting pattern from Embung Suruhan. Discharge was analyzed by Mock method and then raised up to 25 years with Thomas Fiering model and to get the water availability used Basic Year. The discharge data has characteristics that are close to historical data and in 2018 as the basic year used for water availability.

Model Simulasi Risiko Rantai Pasok Material Proyek Konstruksi Gedung Hatmoko, Jati Utomo Dwi; Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Delays related to materials are one of main problems of construction project. An effective supply chain management has a significant role in preventing this type of delay. The aim of this research is develop risk simulation model of construction supply chain in buildings. The materials include steel bars, steel profiles, formwork, and precast concrete, as they are considered the main building material. The supply chain risks are classified from supply, control, process, and demand sides. Monte Carlo simulation has been performed using Cristal Ball software. Risk identification was done through literature review, site observation, and interviews with 29 contractor personnelÂ working for nine building projects. The simulation results show that the minimum, maximum, and most frequent delays (in days), as follows: steel bars (2.20. 17.05, 11.24); steel profiles (2.12, 15.10, 9.75), formwork (1.79, 16.04, 10.45), precast concrete (1.76, 15.61, 10.24). Â The sensitivity analysis shows that delay due to change order from client is the most sensitive forÂ steel bars, steel profiles, and formwork of 25.5%, 37.4%, dan 17%, respectively. The results of this research is useful for contractors and owners who can use them as a guidance in identifying, predicting, and mitigating supply chain risks for a successful project.

Analisis Efektivitas Model Perkuatan dengan Injeksi Semen untuk Peningkatan Angka Keamanan Lereng Sumirin, Sumirin; Arief, Rifqi Brilyanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

The problem of slope stability can be overcome by grouting of cement paste. But, the question often arises as to the extent of grouting of cement paste can increase the factor of safety. This study aims to determine the effectiveness of the effect of grouting on increasing safety factor on the slope of embankment. Experiments have been conducted in the laboratory using 6 types of mixed samples of sand and coarse aggregate. Field testing was conducted on 1 model to determine the effectiveness of grouting. The results of the experiments show that the injection of cement paste in this study proved to be effective in strengthening the embankment with the content of coarse aggregate 60%. The increase factor of safety (FS) using grouting is from FS= 1.9 (33.3%) to FS = 2.80 (90.0%). Factors determining the effectiveness of injection are: (a) injection method with drilling technique before injection to form cement column; (b) the optimum of water-cement ratio w/c = 1.5; (c) the ratio of spacing and injection diameter Lg / Dg = 8, the depth of injection 0.75 from the height of the embankment.

Uji Kriteria Manajemen dalam Pengelolaan Air Limbah Domestik Terpusat Siswati, Muji; Syafrudin, Syafrudin; Sriyana, Sriyana
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Sanitation infrastructure is one of the basic needs of society and has a strategic role in improving the health and welfare of the community. The Indonesian government has built centralized domestic waste water infrastructure in 13 cities until 2014. According to USAID (2006) and AusAID (2013), idle capacity and cost recovery in the centralized domestic waste water system is still a major problem. Therefore, it needs to be done assessment management criteria of centralized domestic waste water management. This research is done by three-stage, that is construction models of a relationship of interdependence between management criteria; assessment of model suitability that has been constructed using SEM method; and calculate the weight of each management criteria using ANP method. The management criteria used on this study consist of: performance management, technical, institutional, regulatory, financing, and public participation. The weight of each criteria using models that have been assessment for their suitability, are: performance management (75.37%), financing (8.83%), public participation (8.39%), technical (3.56%), regulatory (2.36%) and institutional (1:49%). The global weight of sub criteria with most critical weight and should be a priority concern are sustainability (48.20%), public acceptance (14.90% 0, reliability (9.30%), willingness to pay (5.20%), and cost recovery (4.62%).

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