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Civil Engineering Dimension
ISSN : 14109530     EISSN : 1979570X     DOI : -
Core Subject : Engineering,
The Civil Engineering Dimension (Dimensi Teknik Sipil) is a refereed journal, published twice a year, in March and September.
Arjuna Subject : -
Articles 8 Documents
Search results for , issue "Vol. 17 No. 2 (2015): SEPTEMBER 2015" : 8 Documents clear
Community-Based Approach in A Small Scale Irrigation Project in Indonesia: Ways and Advantages Bambang Istijono; Taufika Ophiyandri
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.17.2.95-100

Abstract

The implementation of community-based approach, where community can control a government owned infrastructure project, is rarely found. However, Sumatra River Basin Organization (BWSS) V successfully implemented a small scale irrigation project using this method in West Sumatra Province, Indonesia. This paper aims to describe how this policy was implemented, highlight its milestones, and discuss the advantages of its application. A detailed literature review and semi structured interviews were conducted to achieve the objectives. It was found that the implementation of community-based approach can bring about a sense of belonging, sustainability, and a source of income for the community. Hence, the project was finished on time within budget with high quality materials. In some cases the quantity of the project was more than it was targeted. The key policy that contributed to the success was trusting community to control the project and making sure that the proposed project came from the community.
The Influence of Seismic Parameters on Site Response Adel Asakereh; Hasan Jamali; E. Naderi
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1215.697 KB) | DOI: 10.9744/ced.17.2.76-87

Abstract

Geotechnical earthquake engineers have been trying to determine the most appropriate solution techniques for ground response analysis under earthquake loadings. This paper presents the importance of the adequate soil behavior model to simulate earthquake site response analysis. The influence of nonlinearity and linearity of soils on the site response is also investigated. Many methods have been proposed for the analysis of one-dimensional ground response such as nonlinear methods and equivalent linear with reduced modulus. Using 13 well known earthquake records and geotechnical information of sand in the Qeshm Island (Iran) and classification of earthquakes based on seismic parameters, the influence of each parameter on the Response spectra and Fourier Spectrum of surface of ground becomes evident. Analysis was done using two softwares; EERA (equivalent linear analysis) and NERA (nonlinear analysis) and compared. Finally, output of the software is compared with the reference result on site.
Application of Spatial and Network Analysis to Evaluate Shelter Plan for Tsunami Evacuation Sigit Sutikno; Keisuke Murakami
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1303.694 KB) | DOI: 10.9744/ced.17.2.88-94

Abstract

This study proposes a method for evaluating shelter plan for emergency evacuation prior to a tsunami based on service area analysis. The evacuation service areas are generated using both spatial and network analysis based on Geographic Information System (GIS). A case study in Pacitan city, East Java Province, Indonesia which is located in the South coastal area of Java Island, is picked as study area. The field has a possibility of suffering tsunami disaster because of the movement of Indo-Australian plate and Eurasian plate. The simulation result shows that the current evacuation shelters arranged by local government are not easy to access if tsunami occurs. About 50% of the residents do not have enough time to evacuate to the shelters because many shelters are located far from residential area. Utilizing public buildings around residential area for temporary shelters proposed in this study, about 96% residents in inundation area have sufficient time to evacuate to the shelters.
Experimental and Theoretical Analysis of Hollow Steel Columns Strengthening by CFRP Amir Hamzeh Keykha; Masoud Nekooei; Reza Rahgozar
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.403 KB) | DOI: 10.9744/ced.17.2.101-107

Abstract

The need for strengthening and retrofitting is well known and extensive research is progressing in this field. The reasons for strengthening and retrofitting are numerous: increased loads, changes in use, deterioration, and so on. In recent years, the use of carbon fiber reinforced polymer (CFRP) for strengthening has shown to be a competitive method, both regarding structural performance, and economical aspects. Extensive research has been carried out in this field. However, most of the research has been undertaken on concrete structures and for confinement, flexural, and shear strengthening. Limited research has been carried out on steel structures strengthened with CFRP. This paper presents axially loaded steel columns strengthened for increased load. The topic is studied theoretically and through laboratory tests. The theory covers analytical methods. Carbon fiber reinforced polymers has been used to strengthen the columns. The tests have been undertaken on full scale specimens, non-strengthened for reference, partially strengthened and fully strengthened
Seismic Waves Scattering Impact through Tunnel Excavation on Adjacent Monuments Subjected to Far Field Earthquakes Ehsan Ghobakhloo; Mahyar Pourlak; Arash Razmkhah
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (976.245 KB) | DOI: 10.9744/ced.17.2.59-66

Abstract

The study of the effect of seismic wave scattering has attracted extensive attention in the past couple of decades especially in infrastructures like tunnels. A seismic wave, meeting the tunnel, can generate scattering which, in most cases, may incur damages in adjacent structures. In this study, using Finite Element Method (FEM), the effect of seismic wave scattering in far field has been investigated. The twin tunnels of Shiraz subway system are selected as the case study in this research and three far field seismic waves were chosen for time history analyses. Investigating the normal mode (before tunnel construction) in comparison to the excavation mode (after tunnel construction) enables calculation of the effect of displacement in adjacent structures. The analysis results indicate there is a significant difference between before and after tunnel construction (P-value<0.05). Accordingly, the influence of constructing a tunnel on adjacent surface structures is very important for tunnel design.
OTTV (SNI 03-6389-2011) and ETTV (BCA 2008) Calculation for Various Building’s Shapes, Orientations, Envelope Building Materials: Comparison and Analysis Sandra Loekita; Jimmy Priatman
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (742.219 KB) | DOI: 10.9744/ced.17.2.108-116

Abstract

The Indonesian National Standard SNI 03-6389-2000 adapted the 1983 Singapore’s Handbook on Energy Conservation and limited the Overall Thermal Transfer Value (OTTV) of the building envelope to 45 Watt/m2. In 2008, the Singapore’s Building and Construction Authority (BCA) shifted to Envelope Thermal Transfer Value (ETTV) value of 50 Watt/m2, while SNI 03-6389-2011 continues to use OTTV. This paper reviewed the new SNI 03-6389-2011 and compared it with BCA by calculating OTTV and ETTV of prismatic buildings with eight different shapes and building orientations, 11 Window to Wall Ratio, and 27 building envelope materials. This study also tested those variables to find the best building shape and orientation for an energy saver building. The result shows that ETTV (BCA) is stricter than OTTV (SNI 03-6389-2011) except the OTTV with black building envelope, while parallelogram shape building with North-South orientation is the best combination of energy saver building.
Obituary: Professor Joseph Andy Soesilo - Founder of Jurnal Dimensi - predecessor of Civil Engineering Dimension journal Djwantoro Hardjito; Benjamin Lumantarna
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.871 KB) | DOI: 10.9744/ced.17.2.

Abstract

Obituary: Professor Joseph Andy Soesilo Founder of Jurnal Dimensi - predecessor of Civil Engineering Dimension journal Djwantoro Hardjito & Benjamin Lumantarna | Civil Engineering Dimension  May 25, 2015 Professor Joseph Andy Soesilo passed away on Friday, May 22, 2015 at the age of 71, in Tempe, Arizona, USA. Born in Blora, Central Java, Indonesia as Djwa Bian An, Andy came to Surabaya to pursue his tertiary education and received his bachelor’s degree in civil engineering from Petra Christian University in 1972. He was in the first batch of students in the civil engineering department in the university in 1962. He got his masters degree from the Asian Institute of Technology, Thailand, in 1976, and later on his Ph.D from the Department of Geography, Arizona State University, Tempe, USA in 1982. During his studentship, Andy was actively involed in student movement. Among others, he pioneered the student magazine GENTA in 1964, especially to promote the university to wider community. GENTA is still exist right now, and considered as one of the oldest student magazines in Indonesia. Andy was the first president of the student council in the university, in the era which was characterized with political turmoil in the country. He joined the Civil Engineering Department at Petra Christian University as lecturer in 1972, later becoming the Director of Student Affairs in the University from 1976-1977, and Director of Research and Community Outreach from 1977-1981. While at Petra Christian University (PCU), he made major contributions to the establishment of Jurnal Dimensi in 1980, a journal to publish scientific articles, particularly resulted from research carried out by PCU lecturers and scholars. This journal is the predecessor of the current Civil Engineering Dimension Journal and several other journals published by PCU. The establishment of Jurnal Dimensi was visionary and exemplary, as at that time publication of scientific articles has yet to become obligation to Indonesian lecturers. Until his last day, Andy has served as a member of the International Advisory Board of CED journal. In 1982, Andy moved to USA, to join the Arizona State University (ASU) as a Research Associate until 1988. For twenty years from 1988, Andy was affiliated with Arizona Department of Environmental Quality (ADEQ) as an environmental planner. Following his retirement from ADEQ, He was still lecturing as an adjunct professor at Urban Planning Department at ASU. Together with several friends, he founded Persekutuan Kasih Kristus Arizona (PKKA), Inc., a foundation to help Indonesian Christian schools in the rural areas. Among his publications are ‘Site Remediation: Planning and Management’ (CRC Press, 1997) and ‘Hazardous Waste Planning’ (CRC Press, 1995). He supposed to present his paper entitled ‘The Role of Municipal WWTPs in Arizona’s Water Conservation’ in the coming ‘The Fifth Euro Asia Civil Engineering Forum’ (EACEF-5) conference, to be held at Petra Christian University, Surabaya, Indonesia, from 15-18 September 2015. Andy, who had lived in Tempe, Arizona, USA, was the husband of Ursula (Lanny) Soesilo and the father of Irene and Stanley Soesilo.
Prediction of Crack Width Due to Corrosion of PC Tendon in Prestressed Concrete Structures Agus Maryoto; Takumi Shimomura
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (908.663 KB) | DOI: 10.9744/ced.17.2.67-75

Abstract

Corrosion expansion of prestressed concrete (PC) tendon affects mainly crack width on surface of concrete. This paper simulates corrosion expansion of PC tendon in concrete. Elastic expansion model is utilized for growing of corrosive product as a result of oxidation reaction on reinforcement. In reality, corrosive product penetrate freely into concrete. In order to cover this behavior, elastic expansion is then enhanced its capability in numerical simulation. Furthermore the proposed model used an apparent expansion is adopted to predict width of corrosion crack. Laboratory test is conducted to verify numerical result. Single and multi PC tendons embedded in concrete attacked by corrosion is investigated. Finally, prediction of crack width on surface of concrete due to corrosion of multi layers of PC tendons in the real pretensioned PC girder are conducted using the proposed model. The results show that corrosion crack width of the proposed model meets the real pretensioned

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