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Civil Engineering Dimension

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Published by Universitas Kristen Petra Surabaya

ISSN : 14109530 EISSN : 1979570X DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

The Civil Engineering Dimension (Dimensi Teknik Sipil) is a refereed journal, published twice a year, in March and September.

Arjuna Subject : -

Articles 453 Documents

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METHODOLOGY OF SITE-SPECIFIC SEISMIC HAZARD ANALYSIS FOR IMPORTANT CIVIL STRUCTURE Masyhur Irsyam; Donny T. Dangkua; Dyah Kusumastuti; Engkon K. Kertapati
Civil Engineering Dimension Vol. 9 No. 2 (2007): SEPTEMBER 2007
Publisher : Institute of Research and Community Outreach - Petra Christian University

Note from the Editor The Indonesian archipelago is one of the most active tectonic zones in the world. Therefore to design an important (and dangerous) structure such as a nuclear power plan knowledge of the seismicity of the site is very important. This could be achieved by doing a site-specific seismic hazard analysis. A site-specific seismic hazard analysis is required in the design state in order to determine the recommended seismic design criteria of the structure. A complete and thorough explanation of the methodology to do a site-specific seismic hazard analysis is presented in this Technical Note Abstract in Bahasa Indonesia :

INNOVATION IN THE CONSTRUCTION INDUSTRY Martino Tangkar; David Arditi
Civil Engineering Dimension Vol. 2 No. 2 (2000): SEPTEMBER 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

In this paper%2C existing innovation models are reviewed. The influence of technology and market-driven schools of thought on the creation and diffusion of innovation is examined. Incremental vs. radical models and autonomous vs. systemic models are considered in the context of the construction industry. The concept of %93technology adoption life cycle%94 is investigated to understand better the acceptance of new technology by key parties. A new model of innovation is proposed. In this model%2C the transformation process of invention into adoption flows through a cyclical mechanism encompassing six phases%3A 1%29 need%2C 2%29 creation%2C 3%29 invention%2C 4%29 innovation%2C 5%29 diffusion%2C and 6%29 adoption. This model clearly shows the interaction of the three most influential domains%3A users%2C changes%2C and the environment. The model also takes into consideration the influence of technology and market-driven forces on the creation and diffusion of innovation. As a consequence of their particular function in the construction activity%2C construction management firms should perform as catalysts in the generation and diffusion of technological advances in the Abstract in Bahasa Indonesia : Innovation%2C+invention%2C+innovation+models%2C+technology+adoption+life+cycle%2C+construction+management.+

Construction Labour Productivity as a Correlate of Project Performance: An Empirical Evidence for Wall Plastering Activity Isaac Abiodun Odesola
Civil Engineering Dimension Vol. 17 No. 1 (2015): MARCH 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Construction labour productivity has always been believed to be associated with project performance but empirical evidence for this assertion is scarce in literature. This study aims at determining the relationship between construction labour productivity and project performance. Hence, the study evaluates: construction labour productivity, time and cost overruns in wall plastering activity of selected completed public building projects. A survey of 180 purposively sampled public building projects was conducted. Data were collected through project inventory sheet and analysed using ANOVA and Pearson Product Moment Correlation. The results indicate that there is a strong negative correlation between construction labour productivity and cost and time overruns. It also shows that there is no variation in cost and time overruns among the states in the study area. The study therefore, recommends that stakeholders in the construction industry should emphasis the use of productivity improvement strategies on building sites to enhance project performance.

The Responses of Road Users on Safety Riding Campaign in Surabaya Anak Agung Gde Kartika; Hera Widyastuti; Wahju Herijanto; Cahya Buana
Civil Engineering Dimension Vol. 10 No. 2 (2008): SEPTEMBER 2008
Publisher : Institute of Research and Community Outreach - Petra Christian University

The implementation of safety riding in Surabaya in 2006 featuring some actions including canalization (kanalisasi), daytime headlamp rule, safety belt rule and the standardized helmet are viewed by some as not suitable with the existing condition. Canalization causes unfairness among road users. The canalization lane, mandatory for vehicle such as motorcycle and public transit (bus and mikrolet) tends to suffer bigger degree of saturation compared to the others. Not to mention the indication of overuse of battery and shorter bulbs life time due to the daytime headlamp rule application. Although the evaluation of the safety riding campaign covers several aspects, this paper only discuss the responses of road users to safety riding campaign especially canalization and daytime headlamp rule. The data collecting process is carried out by distributing 332 questionnaires to all road users including motorcyclists, car drivers and public transit users. The instant responses are also collected and summarized from several websites. Furthermore, the descriptive and inference statistical analysis are deployed to give the common view of response of road users as well as tabulate the summary of website-posted response. The results show that, generally most of road users support the safety riding campaign. On the contrary, most of road users agree that the daytime headlamp rule did consume more both battery and bulbs. Meanwhile, the website-posted responses varies between agree and disagree with their own reasons.

Strategies for Overcoming Barriers to Improving Safety in Small Construction Organisations Riza Yosia Sunindijo
Civil Engineering Dimension Vol. 17 No. 3 (2015): SPECIAL EDITION
Publisher : Institute of Research and Community Outreach - Petra Christian University

The majority of organisations in the construction industry are small organisations, how ever their safety performance is still far behind their larger counterparts. Therefore, it is important to focus on improving safety performance of small organisations so that the overall industry performance may be improved. Using a questionnaire survey, this research collected data from construction organisations based in New South Wales, Australia. Data analysis results have identified key barriers faced by small organisations when implementing safety. These barriers include the use of lowest bid price to evaluate tender submissions, lack of safety commitment from construction clients, and fierce competition. The analysis results have also revealed potential strategies for overcoming the barriers, such as including safety as an indicator in tender evaluation, more effective safety regulation enforcement by inspection and linking safety performance with insurance premium and licencing system, and subsidising safety training for small organisations. Improving safety performance in this sector cannot be done in isolation. The government, clients, and large organisations have important roles to play to change the norms and culture in the industry so that small organisations are supported in their effort to improve their safety performance.

STUDI TENTANG PENGARUH PENGGUNAAN ROAD TECH 2000 TERHADAP SIFAT-SIFAT TANAH EKSPANSIF Gogot Setyo Budi
Civil Engineering Dimension Vol. 4 No. 2 (2002): SEPTEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

In this research, micro-organism based admixture called Road Tech 2000, is used to stabilize expansive soil taken from West Surabaya area. The laboratory experiments conducted comprise soil characteristics, swelling potential, and shear strength determination. The results show that Road Tech 2000 is able to maintain the moisture content of the soil, reduce its plasticity (PI), and decrease its swelling potential. The addition of Road Tech 2000 does not affect the strength of the expansive soil, in terms of Unconfined Compressive Strength UCS and CBR. However, a significant strength increase was observed in the soaked CBR test. Abstract in Bahasa Indonesia : Penelitian ini meliput hasil stabilisasi tanah ekspansif dari daerah Surabaya Barat dengan menggunakan Road Tech 2000, yang memakai bahan dasar mikro-organik. Percobaan laboratorium yang dilakukan meliputi uji karakteristik, pengembangan (swelling), dan kekuatan geser (strength) tanah. Hasil penelitian menunjukkan bahwa Road Tech 2000 dapat menjaga/mempertahankan kadar air (kelembaban) sample, mengurangi plastisitas tanah (Plasticity Index), dan menurunkan potensi pengembangan tanah (swelling potential). Penambahan Road Tech 2000 tidak berpengaruh pada kekuatan tanah expansif yang didapat dari tes Unconfined Compressive Strength (UCS) dan CBR. Akan tetapi kenaikan kekuatan yang signifikan terlihat pada tes CBR soaked.

Guideline for Survey, Investigation, and Design of Black Spot Location (SID-BSL) and Its Application in Lampung Province, Indonesia Budi Hartanto Susilo
Civil Engineering Dimension Vol. 18 No. 1 (2016): MARCH 2016
Publisher : Institute of Research and Community Outreach - Petra Christian University

In connection with the government's obligation to take responsibility for ensuring the safety of traffic and road transport for road users, it is necessary to conduct Surveys, Investigations, and Design of Black Spot Location (SID-BSL) to reduce traffic accident. Hence a guideline in conducting SID-BSL is needed. In this study, the author compiled a simple technique of prioritization for SID-BSL procedure and applies it to a research on National Roads in the Lampung Province. The technique of prioritization is simplified with four phase activities namely Preparation, Initial Analysis, Detail Survey, and Detail Analysis. The analysis technique is based on the ranking of Black Spot Locations using weighted accident number (WAN). Application procedure is applied on 237 events of accident on the National Roads in Lampung Province resulting five selected BSLs to be treated according to the availability of funds.

Development of Spectral Hazard Map for Indonesia with a Return Period of 2500 Years using Probabilistic Method Asrurifak M.; Irsyam M.; Budiono B.; Triyoso W.; Hendriyawan Hendriyawan
Civil Engineering Dimension Vol. 12 No. 1 (2010): MARCH 2010
Publisher : Institute of Research and Community Outreach - Petra Christian University

This study is performed to develop spectral hazard map for Indonesia with a Return Period of 2500 years earthquake. It will be proposed for revision of the Indonesian hazard map in SNI-03-1726-2002 as response to the meeting organized by the Department of Public Works on 27- October-2008 in Jakarta. The meeting has decided to revise the Indonesia hazard map by referring to IBC-2006 where spectral acceleration values at Peak Ground Acceleration/PGA, 0.2 and 1.0 second with a return period of 2500 year will be applied for general buildings. The spectral hazard map was analyzed using total probability method and three dimensional (3-D) source models with recent seismotectonic parameters. Four source models were used in this analysis, namely: shallow background, deep background, fault, and subduction source models. Generally, the results of analysis show the values of PGA with a return period of 2500 years relatively higher 1.2-3.0 times than in SNI-03-1726-2002.

PENYEBARAN KEKUATAN DARI KOLOM YANG TERBUAT DARI LIMBAH KARBIT DAN KAPUR Gogot Setyo Budi
Civil Engineering Dimension Vol. 5 No. 2 (2003): SEPTEMBER 2003
Publisher : Institute of Research and Community Outreach - Petra Christian University

A method commonly used to stabilize expansive soils is mixing the soil with foreign materials. The main obstacle raised from soil stabilization in the field is the difficulty in mixing process. This paper presents the strength distribution in soft soil due to the addition of single columns of quicklime and carbide waste- product from gas industry that contains Calcium Oxide (CaO) up to 60%. The results show that the addition of columns filled with carbide waste product and quicklime increase the shear strength of surrounding soil. The spreading of the strength tends to follow a unique pattern, that the increase of soil shear strength at a certain normalized-distance, S (in column diameter D) from the column axis is constant. A significant increase of strength occurs in the area closer to the column, and it decreases with the distance from the column. Abstract in Bahasa Indonesia : Metode yang umum dipakai untuk menstabilisasi tanah adalah mencampur tanah asli dengan material lain. Kendala utama yang timbul pada stabilisasi tanah di lapangan adalah kesulitan pada proses pencampuran. Makalah ini mempresentasikan penyebaran kekuatan tanah akibat kolom tunggal yang terbuat masing-masing dari kapur aktif dan limbah karbit, yang mengandung unsur Calsium Oksida (CaO) sampai 60%. Hasil penelitian menunjukkan bahwa penambahan kolom limbah karbit dan kolom kapur dapat meningkatkan kekuatan tanah di sekitarnya. Penyebaran kekuatan tanah di sekitar kolom kapur dan limbah karbit cenderung mengikuti suatu pola yang unik, yaitu bahwa peningkatan kekuatan tanah pada jarak (yang dinormalisasikan dengan diameter kolom D) adalah tetap. Peningkatan kekuatan geser tanah yang signifikan terjadi di daerah dekat kolom dan peningkatan ini mengecil seiring dengan jarak dari kolom.

Study of the Discrete Shear Gap Technique in Timoshenko Beam Elements Foek Tjong Wong; Steven Sugianto
Civil Engineering Dimension Vol. 19 No. 1 (2017): MARCH 2017
Publisher : Institute of Research and Community Outreach - Petra Christian University

A major difficulty in formulating a finite element for shear-deformable beams, plates, and shells is the shear locking phenomenon. A recently proposed general technique to overcome this difficulty is the discrete shear gap (DSG) technique. In this study, the DSG technique was applied to the linear, quadratic, and cubic Timoshenko beam elements. With this technique, the displacement-based shear strain field was replaced with a substitute shear strain field obtained from the derivative of the interpolated shear gap. A series of numerical tests were conducted to assess the elements performance. The results showed that the DSG technique works perfectly to eliminate the shear locking. The resulting deflection, rotation, bending moment, and shear force distributions were very accurate and converged optimally to the corresponding analytical solutions. Thus the beam elements with the DSG technique are better alternatives than those with the classical selective-reduced integration.

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