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Journal of Civil Engineering

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Published by Institut Teknologi Sepuluh Nopember Surabaya

ISSN : 20861206 EISSN : 25799029 DOI : -

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Journal of Civil Engineering merupakan jurnal bidang teknik sipil yang mengacu pada sistem standar internasional dalam pengelolaannya dengan tujuan utama memajukan bidang teknik sipil melalui publikasi ilmiah demi terwujudnya kemudahan mendapatkan ilmu dan informasi serta mendukung kemajuan teknologi.

Arjuna Subject : -

Articles 112 Documents

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GENDER ANALYSIS IN CONSTRUCTION PROJECT Retno Indryani; Yusroniya Eka Putri Rachman Waliulu; Dayat Indri Yuliastuti
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Construction project staff is domminated by men. Otherwise, the percentage of woman in education the field of construction, such as Civil Engineering and Architecture is growing. The purpose of this paper is to analize gender aspect in construction project. The method used is survey to men and women respondens that work on construction company in Surabaya. Gender aspect analized is the opportunity to participate female, the male and female ratio capability and the obstacle of woman carier in construction project. The results show that women participation is less than men. Men and women have the same ability in several areas. There are several obstacles that are often experienced by women in construction projects, including the barriers of discrimination.

OPTIMIZATION OF MIXED CONCRETE “SELF COMPACTING” MATERIAL USING FLY ASH, SILICA FUME AND THEIR INFLUENCE OF IRON SLAG STRONG CONTRIBUTION TO THE PRESS Dwiputro Raharjo; Aman Subakti; Tavio Tavio
Journal of Civil Engineering Vol 31, No 1 (2011)
Publisher : Institut Teknologi Sepuluh Nopember

Self-compacting Concrete (SCC) is an innovation of concrete that does not require the process to occupy formwork vibration (Placing) and compacted (compaction). SCC is able to flow under its own weight, unable to meet or fill formwork (formwork) and reached its highest density. SCC requires a mineral Admixture fly ash and chemical form of Viscocrete a high viscosity in order to meet the specified flowability, whereas other compounds are iron slag waste from steel mill wastes in the form of fine aggregate. Trial mix performed on materials such as fly ash, mineral Admixture fly ash, silica fume, chemical Admixture Sika is viscocrete 10 from Indonesia, and the material is a mixture of iron slag from PT Ispat Indo to determine the optimal composition and meet the requirements of filling ability, passing ability , viscosity and segregation. Tests using the slump cone filling ability, passing ability to use L-box, while the viscosity and segregation using the V-funnel. Compressive strength testing performed with a cylindrical test piece 10 x 20 cm at the age of concrete 3.7, 14, 28 and 56 days. With as many as 495 test specimen for the test object 33 composition of concrete mix design. Each dose was given viscocrete composition from 0.5 to 1.8% by weight of cementitious according to the dose required by Sika Indonesia. While the dose of Silica Fume composition using 0%, 10% and 20% of fly ash pozzolan. The final aim of this study are expected to obtain the optimal material composition of the mixture by generating a maximum compressive strength and price efficient as well.

STRUCTURAL SYSTEM SIMULATION USING GRID-COMPUTING FRAMEWORK Data Iranata; Radityo Anggoro
Journal of Civil Engineering Vol 29, No 2 (2009)
Publisher : Institut Teknologi Sepuluh Nopember

A multi-level modeling and simulation method of structural system using grid-computing framework is proposed in this paper. Two levels of parallel processing will be involved in this framework: (1) multiple locally distributed computing environments connected by the local network to form (2) a grid-based cluster-to-cluster distributed computing environment. To successfully perform the simulations, a large-scale structural system is decomposed into the simulations of a simplified global model and several detailed component models with various scales. These correlated multi-scale simulation tasks are distributed amongst clusters and connected together in a multi-level modeling and simulation method and then coordinated over the internet. This paper also presents the development of a grid-computing software framework that can support the proposed simulation approach. The architectural design of the program also allows the integration of several multi-scale models to be clients and servers under a single platform. Additionally, the comparison result between proposed method and assumed exact solution show that the proposed simulation method is appropriate to simulate the response of the structural systems.

DIRECT COMPUTATIONAL METHOD FOR DEFINING LONGITUDINAL STEEL OF RC SQUARE COLUMNS Tavio Tavio; Puspa Ramadhani
Journal of Civil Engineering Vol 30, No 2 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

This paper presents a study to examine the significance of longitudinal reinforcement on column strength in terms of interaction between axial capacity and bending moment. A new computer programming was developed to accelerate the computational effort. The program can be used to calculate the need of longitudinal reinforcement directly without constructing the P-M interaction diagram for a specific rectangular column with various reinforcement ratios. It can be concluded that longitudinal reinforcement ratio affects the column capacity significantly. The originality of the program is also one of the key points in the development of the program for modern analytical tool. The computational procedures developed in the program were based on ACI 318M-02 and SNI 03-2847-2002. The results have also been proven to be accurate when compared with PCA Col program.

STUDY OF BEHAVIOUR BENDING CONCRETE BEAM FIBER PLASTIC BENESER COMPOSITES Kurdian Suprapto
Journal of Civil Engineering Vol 31, No 2 (2011)
Publisher : Institut Teknologi Sepuluh Nopember

“Fiber reinforced concrete” is made from cement, fine aggregate, coarse aggregate, water and many fibers that randomly spread within the mixture. To increase the ability of concrete to resist tensile and flexure, efforts are done by giving reinforcements or other material such as fibers in the tensile region.In this research the examination done in experiment with add plastic fibers of plastic benneser (poly-acrylonitryl styrene) in concrete mixture, with the percentage between 0% - 1, 00%.Otherwise in this research, the use of high concrete quality, are developing from the past research would have done in Unitomo. And the purpose of this research is to know the behavior of the mechanic phenomena like stretch and ductility from fibers concrete of beneser of higher concrete quality as united. So with this could be compare with the higher concrete quality without fibers. The concrete sample of fibers composite is made with three different things like: cylinders sample with size Ø10 and 15 cm high 20 and 30 cm, and block sample with size 15 X 20 X 60 cm. Cross section of full fibers composite and partial is used by block sample, only in stretch area below the neutral lines. The result says that: strengthened in splitting in a cylinder sample between 12, 56 – 27, 07 %, and the power of ductility from the block sample of full fibers between 12, 95 % – 20, 19 %, and the partial is 12 – 16, 57 %.

REQUIRED EVALUATION OF ARMADA AND SPECIFIED TARIFF OF TAXI IN SURAKARTA Suwardi Suwardi
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

The research objectives were analyzed the number of taxis as well as the operational cost in field conditions. Analyzing the balanced of public transport following by its performance. Research benefits as an input to the Surakarta government as the policy holder and also for the entrepreneur as a control of construction with profit oriented. This study used the descriptive analytic method. The analysis result are the number of taxi with six businessmen, the total fleet was 479 fleets, after the analysis was 412 fleets, mileage taxis every day in the field was 228 km/day, after the analysis was 266 km/day. Mileage taxis fill every day in the field was 157 km/day, after analysis was 182 km/day. When operating in the field and the analysis was 22 hours/day. Travelling time in the field was 8 hours/day. After the analysis was 9 hours/day. Load factor of taxi in the field was 69%. Load factor after the analysis was 81%. Load factor of time was 37% field conditions. Load factor was 43% after analysis. Tariffs field condition was 2.769/km. after analysis was 2.410/km, while taxi fares in the field was 2.750/km.

IMPLEMENTATION EVALUATION OF SAFETY AND HEALTH IN CONSTRUCTION SERVICES IN NORTH SULAWESI Pingkan Pratasis; Ludfi Djakfar; M. Ruslin Anwar
Journal of Civil Engineering Vol 31, No 1 (2011)
Publisher : Institut Teknologi Sepuluh Nopember

Implementation of OHS management system by construction companies in North Sulawesi has many problems. These problems are identified as inhibiting factors. This study aims to identify inhibiting factors that influence OHS implementation on construction company and how public policy alternatives that can be proposed. Product moment correlation analysis results showed overall effect of those factors, of which the most influential factor is budgetary project planning. Proposed Public policy are: procurement of equipment and materials budget should be included in Cost Expense Plan for construction works; monitoring mechanisms need to be regulated in order to create awareness OHS implementation, including governing authority to the field of OHS in related agencies. Similarly, the rules of reward and punishment to promote awareness of OHS implementation, OHS socialization also be performed periodically, with various forms and methods and direct guidance in the field, establishment of OHS tools and materials management unit.

APPRAISAL ANALYSIS OF IRRIGATION SYSTEM MANAGEMENT BASED ON SUSTAINABLE DEVELOPMENT CONCEPT IN TILONG IRRIGATION AREA OF KUPANG REGENCY Lidya Kini; Nadjadji Anwar; Theresia Sri Sidharti
Journal of Civil Engineering Vol 29, No 2 (2009)
Publisher : Institut Teknologi Sepuluh Nopember

The sustainable concept of irrigation system appraisal was based on Sustainable Development Concept with 3 components/pillars, Social, Economy and Environment that the balancing of that three values are that sustainable condition. According to Regulation issued by Ministry of Public Works No.30/PRT/M/2007,the irrigation system comprises of Irrigation Infrastructure, Irrigation Water, Irrigation Management Institution and Human Resources. This research combined the concepts of sustainability and irrigation system management. According to research result, there were 15 indicators of Tilong Irrigation System Sustainability based on the calculation method of AHP. The research result for Sustainable Appraisal of Tilong Irrigation System was Sub DI VII in the Sustainable condition, Sub DI V in the condition of Equitable, Sub DI II in the Sustain condition of environment, Sub DI I in the Environment Sustain Condition, Sub DI III in the Social Sustain Condition, Sub DI IV in the condition unsustain, Sub DI VI in the condition unsustain.

ANALYTICAL STUDY ON THE EFFECT OF CONFINEMENT OF R.C. CIRCULAR COLUMN TO THE VALUE OF CURVATURE DUCTLING Kurdian Suprapto; Tavio Tavio; Yanuar Siscaria Rahmawati
Journal of Civil Engineering Vol 30, No 2 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Construction technology has been rapidly developing nowadays which often requires the use of higher ductility of structural elements. All structural members, especially columns as primary structural components should have higher ductility so that it can delay the collapse of the buildings during earthquake. There is a significant difference in behavior between unconfined and confined concrete columns. Confined concrete columns show higher ductility compared with those unconfined. To accommodate the analysis, a computer program called MoCurv v.1.2 is developed. This program is an improvement of the earlier developed program called MoCurv v.1. This program can be used to analyze circular column sections with NSC and HSC. Five major factors are dominantly control the value of curvature ductility, i.e. transverse reinforcement spacing, number and size of longitudinal bars, strength of concrete, column size, and axial loading. Parametric study has also been done to compare the effectiveness of each parameter. It can be concluded that the most influencing parameter to the value of curvature ductility is the spacing of transverse reinforcement.

ANALISIS FAKTOR PENYEBAB WASTE PADA PROYEK KONSTRUKSI GEDUNG DI KOTA SURABAYA DENGAN METODE EXPECTED MONETARY VALUE Bramantya Fidiansyah Putra; I Putu Artama Wiguna
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Generally, the term of waste can be defined as activities that cost both directly or indirectly and use physical and non-physical resources, but it does not add value or progress for the product. Waste occurring in a construction project could be in physical or non-physical form. A lot of main factors cause the existence of waste in a construction project, which are internal factors and external factors. Surabaya is a big city having the high growth-rate of building construction, so there are many projects buildings now. The probability of waste existence can be high too, because of this non-stop building procces.This research aims to find the main cause of waste in the project and the influence of its mitigation.The population of this research is building constuction projects in Surabaya that generate waste. The sampling technique is purposive technique sampling. This study uses data collection techniques by questionnaires and interviews about the factors that cause waste in 15 building construction projects. The taken data are probilities, and impact of waste cause variables. This research uses Fault Tree Analysis method, Monte Carlo, and Expected Monetary Value.. This number of probability dan the impact of the factors are calculated to gain the expected monetary value. The greatest value of this number indicates the main waste factor. The result of this research indicates three biggest cause of waste based on EMV value. They are owner making design change when construction have been running, less competent planners, and miscommunication happened in design planning. While, the largest category of waste causes is design category.

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