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Journal of Civil Engineering
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.
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Articles 5 Documents
Search results for , issue "Vol 30, No 1 (2010)" : 5 Documents clear
STUDY ON THE EFFECT OF REINFORCEMENT RATIO ON THE N-M INTERACTION DIAGRAM OF CIRCULAR COLUMNS USING A NEW DEVELOP DIRECT COMPUTATIONAL PROCEDURE Tavio Tavio; Indra Degree K.
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1818.724 KB) | DOI: 10.12962/j20861206.v30i1.1726

Abstract

The calculation of reinforcement ratio of concrete columns is very significant since the calculation will guarantee the columns ductility and reinforced efficiency. However, this calculation spent a lot of time and accuracy. Hence the manual calculation will not be efficient. On the other hand, a lot of computational programs are developed recently for civil engineering calculations. This study presents a useful computer-aided program that can be used to calculate the required longitudinal reinforcement ratio in a circular column. The code of this developed program adopts from SNI 30-2847-2002, which the reduction factors based on governed by the axial load in column capacity. As comparison the developed program also adopts ACI 318-2002, which the tensile strain that controls the reduction factor. The results from this program will be verified with PCA Column for output validity.
THE EFFECT OF ADDITION OF FIBER REINFORCED ON CONCRETE WITH PLAIN AND DEFORM REBAR Kurdian Suprapto
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.969 KB) | DOI: 10.12962/j20861206.v30i1.1727

Abstract

In reinforced concrete structures, the interaction between concrete and steel bar are depend on its bonding strength. This study presents the behavior of bond-slip on fiber reinforced concrete with 10 mm plain rebar and deforms rebar. The concrete specimen is using 1% fiber reinforced. Furthermore the specimen is also compared with concrete without fiber reinforcement. The behavior that observed in this study is the effect concrete compressive strength, type of rebar, amount of rebar, and concrete cover due to bonding strength. The analysis results also compared between pull out method and semi beam method with and without fiber reinforcement. The analysis results shows the compressive strength, tensile strength, bonding strength, and bond stress of fiber reinforced concrete increase around 13.255%, 48.70%, 10.43% and 10.53%, respectively. Moreover, the deform rebar has better bonding strength compared to the plain rebar, which increase around 175% - 185%. Furthermore, for the group reinforcement, which is the spacing between rebar is 2.5 cm, is also effected the bond stress. The more amount of rebar will reduce the bond stress around 46.82% - 64.71%. In addition, the more thickness of concrete cover will also increase the bond stress.
VALIDATION OF A SUPPORT SYSTEM ON BUILDING SYSTEM SELECTION IN CONSTRUCTION Christiono Utomo
Journal of Civil Engineering Vol 30, No 1 (2010)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.586 KB) | DOI: 10.12962/j20861206.v30i1.1723

Abstract

Decisions for multi-person on building system selection are very complicated since many parties involved. Where a number of stakeholders are involved in choosing single alternative from a set of alternatives, there are different concern caused by differing preferences, experiences, and background. Therefore, a support system is required to enable each stakeholder to evaluate and rank the solution alternatives before engaging into negotiation. This paper presents a validation process of the negotiation support system in building system selection. A case study was carried out in a real estate company in Indonesia. Validation was conducted to a framework of coalition formation as a basis algorithm of negotiation support for building system selection in construction. Two methods of validation were conducted in a group decision to select building roof system. These methods are decision result validation by similarity index and stakeholder preferences validation by canonical correlation analysis and a set of descriptive statistic analysis. Two others conventional model were compared with the coalition formation algorithms. This validation process reveals that the algorithms proposed is better than single weight factor and aggregation method in terms of closely to the best fit option, stakeholder satisfaction, and performance of the model.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (269.427 KB) | DOI: 10.12962/j20861206.v30i1.1724

Abstract

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.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (164.077 KB) | DOI: 10.12962/j20861206.v30i1.1725

Abstract

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.

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