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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 351 Documents
COMMUNITY-BASED APPROACH IN A SMALL SCALE IRRIGATION PROJECT IN INDONESIA: WAYS AND ADVANTAGES Istijono, Bambang; Ophiyandri, Taufika
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.
ANALISA SISTEM MANAJEMEN LINGKUNGAN ISO 14000 DAN KEMUNGKINAN IMPLEMENTASINYA OLEH PARA KONTRAKTOR KELAS A DI SURABAYA Chandra, Herry Pintardi
Civil Engineering Dimension Vol 4, No 2 (2002): SEPTEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.4.2.pp. 77-84

Abstract

Sustainable construction development needs a good environmental management system. International standard ISO 14000 is one the standard of a good environmental management system. This research aims to obtain general idea on how far Class A contractors in Surabaya know about information, element, and the benefit of ISO 14000, and how to engage in analyzing environmental management system using Friedman and Wilcoxon Signed Rank Test. From the data analysis, it was shown that 64,71% of the respondents is aware of ISO 14000 and issue on work safety and health for employees has become a first priority (mean rank 8.09). This issue has been followed-up with the development of a proactive strategy (61.76%). The strategy is followed by tactic development among others is to check employees? health in accordance to standard of work safety and health for employees which has been imposed by the government (mean rank 5.00). Abstract in Bahasa Indonesia : Konsep konstruksi berkelanjutan memerlukan sistem mana¬jemen lingkungan yang baik. Standar internasional ISO 14000 merupakan salah satu wahana untuk menjamin kinerja sistem manajemen lingkungan tersebut. Penelitian ini bertujuan untuk mendapatkan gambaran umum tentang sejauh mana para kontraktor kelas A di Surabaya menge¬tahui tentang informasi, elemen, dan keuntungan ISO 14000 serta bagaimana melakukan analisa sistem manajemen lingkungan tersebut dengan Friedman dan Wilcoxon Signed Ranks Test. Hasil analisa data menunjukkan 64,71% responden mengetahui informasi tentang ISO 14000, dan isu keselamatan dan kesehatan kerja karyawan menjadi prioritas utama (mean rank 8,09). Isu tersebut ditindaklanjuti dengan pengembangan strategi proaktif (61,76%), dimana strategi tersebut diikuti dengan pengembangan taktik antara lain memeriksa kesehatan karyawan sesuai dengan standard kesehatan yang telah ditentukan oleh pihak yang berwenang (mean rank 5,00).
UTILIZATION OF UNCONTROLLED BURNT RICE HUSK ASH IN SOIL IMPROVEMENT Muntohar, Agus Setyo
Civil Engineering Dimension Vol 4, No 2 (2002): SEPTEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.4.2.pp. 100-105

Abstract

Expansive soil has been a problem in Indonesia as in other countries. Current research found that there is a potential use of silica waste%2C resulting from burnt rice husk%2C as a pozzolanic material. This paper presents the results of study on the utilisation of ashes produced from uncontrolled rice husk burnt in Yogyakarta %28Indonesia%29.%0D%0A%0D%0AIn this research%2C a series of laboratory tests has been conducted. The tests were carried out individually or in a combination in which the Rice Husk Ash %28RHA%29 content were varied from 7.5%2C 10%2C and 12.5 percent%2C and the lime content from 2%2C 4%2C 6%2C and 10 percent %28by the dry weight of soil%29. All the samples have been remoulded at their optimum moisture content %28OMC%29 and maximum dry density %28MDD%29. The research shows that lime - rice husk ash decreased the swell of expansive soil and improved its strength and bearing capacity.%0D%0A Abstract in Bahasa Indonesia : soil+improvement%2C+expansive+soil%2C+uncontrolled+-+burnt%2C+rice+husk+ash.
EVALUATION OF A REINFORCED CONCRETE WALL MACROSCOPIC MODEL FOR COUPLED NONLINEAR SHEAR-FLEXURE INTERACTION RESPONSE Purnomo, Joko; Chandra, Jimmy
Civil Engineering Dimension Vol 20, No 1 (2018): MARCH 2018
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.20.1.41-50

Abstract

Reinforced concrete shear wall (RC wall) is an important element in tall buildings, which provides strength and stiffness against lateral loadings, e.g. earthquake and wind. Numerous researches have been conducted to study its nonlinear behavior via microscopic and macroscopic model. The later approach is currently being widely explored since it has many advantages compared to the preceding models. A well-known macroscopic model, namely Shear-Flexure-Interaction Multiple-Vertical-Line-Elements-Model (SFI-MVLEM) in the open source platform Open Sees, is capable of simulating the coupled nonlinear shear-flexure interaction response in the RC wall. This paper presents an evaluation to the applicability of SFI-MVLEM model to predict the coupled nonlinear shear-flexure behavior of RC wall specimens compared to experimental results in available literature. The analysis results show that the model is able to predict the behavior of RC wall considerably accurate in terms of hysteretic curves, cracking patterns, and contributions of shear and flexural displacement to total displacement.
PENINGKATAN DAYA DUKUNG PONDASI DANGKAL DENGAN MENGGUNAKAN CERUCUK SUATU STUDI MODEL Tjandrawibawa, Soebianto
Civil Engineering Dimension Vol 2, No 2 (2000): SEPTEMBER 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.2.2.pp. 92-95

Abstract

?Cerucuk? are widely used in foundation engineering to increase bearing capacity of the foundation and reduce the settlement. In order to study the behavior of the cerucuk some laboratory tests have been conducted on foundation model using bamboo sticks as cerucuk. Three positions of cerucuk namely, vertical, inclined and combination of vertical-inclimed are tested. Based on the test result, it is concluded that 60% increase of bearing capacity is achieved by inclined cerucuk, 37% by vertical cerucuk and 33% by combination of vertical-inclined cerucuk. Abstract in Bahasa Indonesia : Cerucuk banyak dipakai untuk meningkatkan daya dukung pondasi dan mengurangi penurunan yang akan terjadi. Untuk mengetahui perilaku pondasi dengan cerucuk tersebut, telah dilakukan penelitian berupa test pembebanan pada suatu model pondasi dengan menggunakan ?biting? bambu sebagai cerucuk. Tiga macam pemasangan cerucuk yaitu tegak, miring dan kombinasi tegak miring dilakukan pada test tersebut. Hasil percobaan menunjukkan adanya peningkatan daya dukung tanah sebesar 60% oleh cerucuk miring, 37% oleh cerucuk tegak dan 33% bila dipakai kombinasi tegak miring.
Effect of the Use of Metakaolin Artificial Lightweight Aggregate on the Properties of Structural Lightweight Concrete Risdanareni, Puput; Choiri, Afif Achsanul; Djatmika, Boedya; Puspitasari, Poppy
Civil Engineering Dimension Vol 19, No 2 (2017): SEPTEMBER 2017
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (425.241 KB) | DOI: 10.9744/ced.19.2.86-92

Abstract

This paper investigates the effect of using metakaolin Artificial Lightweight Aggre­gates (ALWA) as a substitute for coarse aggregates to produce structural lightweight concrete. A combination of 10M NaOH solution and sodium silicate solution was used as alkali activator. The ratio between the metakaolin binder and the alkali activator used in producing metakaolin ALWA is 48%:52%, by mass. It is shown that metakaolin ALWA has higher abrasion and water absorption, and lower bulk density values compared to normal aggregates. To determine the effect of using metakaolin ALWA as coarse aggregates in concrete, three variations of ALWA dosages were used, i.e. 0%, 50%, and 100% of the total coarse aggregates, by volume. The results show that the compressive strength of concrete decreased along with the increase of ALWA content in the mixture. However, concrete using 100% ALWA as coarse aggregates meets the requirements of compressive strength and density of structural light weight concrete.
CPT-Based Interpretation of Pile Load Tests in Clay-Silt Soil W.A., Prakoso
Civil Engineering Dimension Vol 13, No 1 (2011): MARCH 2011
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.195 KB) | DOI: 10.9744/ced.13.1.6-14

Abstract

Two pile axial load tests were performed in a site in Depok, West Java. The soil of the site is predominantly a silt-clay soil, characterized by seven mechanical cone penetration tests (CPTs). The piles were 5.5 m long and 11.5 m long, 250 mm square piles. The results of the static load tests showed that the ultimate capacities were achieved. The axial load tests were subsequently back-analyzed using an axisymmetric finite element model using PLAXIS. In the back-analyses, the soil modulus and shear strength in the model, using the cone penetration resistance as the reference, were adjusted so that the numerical load-settlement curves matched the actual curves. The results of the back-analyses are then synthesized with the results of the CPTs, and are compared with available design guidelines. Some recommendations are then proposed.
Application of Prefabricated Vertical Drain in Soil Improvement B., Tedjakusuma
Civil Engineering Dimension Vol 14, No 1 (2012): MARCH 2012
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (923.516 KB) | DOI: 10.9744/ced.14.1.51-56

Abstract

Although the use of Prefabricated Vertical Drain (PVD) in soil improvement is not new, this paper is interesting since it gives the full spectrum from preliminary design stage; trial embankment and pilot test to final soil improvement. The final installation of the PVD was based on the soil investigation report and the results of instrumentation monitoring. Finally, using back analysis, vertical and horizontal coefficients of consolidation and compression index can be determined, which can be applied to predict a more accurate prediction of settlement.
STABILISASI TANAH LIAT SANGAT LUNAK DENGAN GARAM DAN PC (PORTLAND CEMENT) Arief, Tirta Djusman
Civil Engineering Dimension Vol 8, No 1 (2006): MARCH 2006
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.213 KB) | DOI: 10.9744/ced.8.1.pp. 20-24

Abstract

Adding sodium chloride, as admixture, and Portland Cement, as stabilizer, to a very soft clay increase its plasticity index (PI), Californian Bearing Ratio (CBR), and Unconfined Compression Strength (UCS). This paper presents the results of testings done to very soft clay from Margomulyo, Surabaya. The results show a promising tendency. Anyhow a wider and comprehensive research is still needed to ensure the long-term effect of the soil stabilization. Abstract in Bahasa Indonesia : Penambahan garam (sodium chloride) dan PC (Portland Cement) meningkatkan PI (Plasticity Index), CBR (Californian Bearing Ratio), dan UCS (Unconfined Compression Strength) dari tanah lempung sangat lunak. Dalam makalah ini disajikan hasil pengujian yang dilakukan terhadap lempung sangat lunak dari daerah Margomulyo, Surabaya. Hasilnya menunjukkan kecenderungan yang menggembirakan, namun penelitian yang luas dan komprehensif masih diperlukan untuk peningkatan stabilitas tanah dalam jangka panjang.
Experimental Investigations of Effect of Sulphur on Beach Sand–Fly Ash–Asphalt (S-F-A) Paving Mixes M., Satyakumar,; R., Satheeshchandran,
Civil Engineering Dimension Vol 15, No 1 (2013): MARCH 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.605 KB) | DOI: 10.9744/ced.15.1.36-42

Abstract

The main components of the flexible pavements are asphalt and aggregates. But in most of the places in India there is shortage of the good quality aggregates (especially coarse aggregates), at the same time beach sand is available in plenty in many regions. Due to relative abundance of beach sand, the studies on the utilities of the beach sand in paving mixes are worth taking up. But beach Sand-Asphalt mix alone is not suitable for pavement construction, because of its low stability and high air voids. In the present study, Sand-Fly ash-Asphalt-Sulphur (S-F-A-S) mixes are being made in different proportions and tested for their properties. Fatigue strength, stability, water sensitivity, stiffness modulus and dynamic modulus tests are carried out at standard test conditions and the results are analyzed for drawing conclusions. This study investigates the potential use of abundant ingredients, which may replace the ones which are scarce in nature.

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